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-rw-r--r--Documentation/admin-guide/pm/intel_pstate.rst14
-rw-r--r--Documentation/filesystems/Locking7
-rw-r--r--Documentation/filesystems/vfs.txt13
-rw-r--r--Documentation/kbuild/kconfig-language.txt6
-rw-r--r--MAINTAINERS9
-rw-r--r--arch/arm/Kconfig8
-rw-r--r--arch/arm/boot/dts/da850.dtsi6
-rw-r--r--arch/arm/mach-bcm/Kconfig1
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c2
-rw-r--r--arch/arm/mach-socfpga/Kconfig1
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg-s400.dts15
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg.dtsi4
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gx.dtsi12
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi2
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts3
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi7
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl.dtsi8
-rw-r--r--arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts2
-rw-r--r--arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts2
-rw-r--r--arch/arm64/include/asm/alternative.h7
-rw-r--r--arch/arm64/include/asm/pgtable.h6
-rw-r--r--arch/arm64/kernel/alternative.c51
-rw-r--r--arch/arm64/kernel/module.c5
-rw-r--r--arch/powerpc/include/asm/book3s/32/pgalloc.h1
-rw-r--r--arch/powerpc/include/asm/nohash/32/pgalloc.h1
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/include/uapi/asm/unistd.h1
-rw-r--r--arch/powerpc/kernel/pci_32.c4
-rw-r--r--arch/powerpc/kernel/pci_64.c4
-rw-r--r--arch/powerpc/kernel/rtas.c4
-rw-r--r--arch/powerpc/kernel/signal_32.c8
-rw-r--r--arch/powerpc/kernel/signal_64.c4
-rw-r--r--arch/powerpc/kernel/syscalls.c4
-rw-r--r--arch/powerpc/mm/subpage-prot.c4
-rw-r--r--arch/powerpc/platforms/powermac/time.c29
-rw-r--r--arch/x86/entry/entry_32.S2
-rw-r--r--arch/x86/entry/entry_64_compat.S16
-rw-r--r--arch/x86/include/asm/pgalloc.h3
-rw-r--r--arch/x86/include/asm/pgtable.h2
-rw-r--r--arch/x86/include/asm/pgtable_64.h4
-rw-r--r--arch/x86/kernel/e820.c15
-rw-r--r--arch/x86/mm/fault.c21
-rw-r--r--arch/x86/platform/efi/efi_64.c4
-rw-r--r--block/blk-core.c4
-rw-r--r--block/blk-mq.c12
-rw-r--r--crypto/af_alg.c13
-rw-r--r--crypto/algif_aead.c4
-rw-r--r--crypto/algif_skcipher.c4
-rw-r--r--drivers/base/power/domain.c7
-rw-r--r--drivers/block/drbd/drbd_req.c4
-rw-r--r--drivers/char/random.c29
-rw-r--r--drivers/cpufreq/qcom-cpufreq-kryo.c8
-rw-r--r--drivers/dax/super.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c33
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c8
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c16
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c3
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.c3
-rw-r--r--drivers/gpu/drm/arm/malidp_planes.c9
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h3
-rw-r--r--drivers/gpu/drm/meson/meson_drv.c12
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c8
-rw-r--r--drivers/i2c/busses/i2c-gpio.c4
-rw-r--r--drivers/i2c/i2c-core-smbus.c14
-rw-r--r--drivers/isdn/mISDN/socket.c2
-rw-r--r--drivers/md/dm-raid.c2
-rw-r--r--drivers/md/dm-table.c7
-rw-r--r--drivers/md/dm-thin-metadata.c9
-rw-r--r--drivers/md/dm-thin.c11
-rw-r--r--drivers/md/dm-writecache.c10
-rw-r--r--drivers/md/dm-zoned-target.c2
-rw-r--r--drivers/md/dm.c8
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c19
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c4
-rw-r--r--drivers/mtd/nand/raw/denali_dt.c6
-rw-r--r--drivers/mtd/nand/raw/mxc_nand.c5
-rw-r--r--drivers/mtd/nand/raw/nand_base.c2
-rw-r--r--drivers/mtd/nand/raw/nand_macronix.c48
-rw-r--r--drivers/mtd/nand/raw/nand_micron.c2
-rw-r--r--drivers/net/ppp/pppoe.c2
-rw-r--r--drivers/nvdimm/pmem.c3
-rw-r--r--drivers/nvme/host/rdma.c7
-rw-r--r--drivers/pci/Makefile6
-rw-r--r--drivers/pci/controller/Kconfig3
-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c10
-rw-r--r--drivers/perf/xgene_pmu.c2
-rw-r--r--fs/aio.c148
-rw-r--r--fs/ceph/inode.c1
-rw-r--r--fs/eventfd.c19
-rw-r--r--fs/eventpoll.c15
-rw-r--r--fs/pipe.c22
-rw-r--r--fs/select.c23
-rw-r--r--fs/timerfd.c22
-rw-r--r--include/crypto/if_alg.h3
-rw-r--r--include/linux/blkdev.h4
-rw-r--r--include/linux/compat.h8
-rw-r--r--include/linux/compiler-gcc.h25
-rw-r--r--include/linux/compiler_types.h18
-rw-r--r--include/linux/dax.h2
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/net.h1
-rw-r--r--include/linux/pm_domain.h6
-rw-r--r--include/linux/poll.h12
-rw-r--r--include/linux/scatterlist.h18
-rw-r--r--include/linux/skbuff.h3
-rw-r--r--include/linux/slub_def.h4
-rw-r--r--include/linux/syscalls.h4
-rw-r--r--include/net/bluetooth/bluetooth.h2
-rw-r--r--include/net/iucv/af_iucv.h2
-rw-r--r--include/net/sctp/sctp.h3
-rw-r--r--include/net/tcp.h3
-rw-r--r--include/net/tls.h6
-rw-r--r--include/net/udp.h2
-rw-r--r--include/uapi/linux/aio_abi.h6
-rw-r--r--init/Kconfig7
-rw-r--r--kernel/events/core.c2
-rw-r--r--lib/Kconfig.kasan1
-rw-r--r--lib/percpu_ida.c2
-rw-r--r--lib/scatterlist.c6
-rw-r--r--lib/test_printf.c7
-rw-r--r--mm/slab_common.c4
-rw-r--r--mm/slub.c7
-rw-r--r--mm/vmstat.c2
-rw-r--r--net/appletalk/ddp.c2
-rw-r--r--net/atm/common.c11
-rw-r--r--net/atm/common.h2
-rw-r--r--net/atm/pvc.c2
-rw-r--r--net/atm/svc.c2
-rw-r--r--net/ax25/af_ax25.c2
-rw-r--r--net/bluetooth/af_bluetooth.c7
-rw-r--r--net/bluetooth/hci_sock.c2
-rw-r--r--net/bluetooth/l2cap_sock.c2
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/bluetooth/sco.c2
-rw-r--r--net/caif/caif_socket.c12
-rw-r--r--net/can/bcm.c2
-rw-r--r--net/can/raw.c2
-rw-r--r--net/core/datagram.c13
-rw-r--r--net/dccp/dccp.h3
-rw-r--r--net/dccp/ipv4.c2
-rw-r--r--net/dccp/ipv6.c2
-rw-r--r--net/dccp/proto.c13
-rw-r--r--net/decnet/af_decnet.c6
-rw-r--r--net/ieee802154/socket.c4
-rw-r--r--net/ipv4/af_inet.c8
-rw-r--r--net/ipv4/tcp.c23
-rw-r--r--net/ipv4/udp.c10
-rw-r--r--net/ipv6/af_inet6.c4
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/iucv/af_iucv.c7
-rw-r--r--net/kcm/kcmsock.c10
-rw-r--r--net/key/af_key.c2
-rw-r--r--net/l2tp/l2tp_ip.c2
-rw-r--r--net/l2tp/l2tp_ip6.c2
-rw-r--r--net/l2tp/l2tp_ppp.c2
-rw-r--r--net/llc/af_llc.c2
-rw-r--r--net/netlink/af_netlink.c2
-rw-r--r--net/netrom/af_netrom.c2
-rw-r--r--net/nfc/llcp_sock.c9
-rw-r--r--net/nfc/rawsock.c4
-rw-r--r--net/packet/af_packet.c9
-rw-r--r--net/phonet/socket.c9
-rw-r--r--net/qrtr/qrtr.c2
-rw-r--r--net/rose/af_rose.c2
-rw-r--r--net/rxrpc/af_rxrpc.c10
-rw-r--r--net/sctp/ipv6.c2
-rw-r--r--net/sctp/protocol.c2
-rw-r--r--net/sctp/socket.c4
-rw-r--r--net/smc/af_smc.c12
-rw-r--r--net/socket.c50
-rw-r--r--net/tipc/socket.c14
-rw-r--r--net/tls/tls_main.c2
-rw-r--r--net/tls/tls_sw.c19
-rw-r--r--net/unix/af_unix.c30
-rw-r--r--net/vmw_vsock/af_vsock.c19
-rw-r--r--net/x25/af_x25.c2
-rw-r--r--net/xdp/xsk.c7
-rwxr-xr-xscripts/gcc-x86_64-has-stack-protector.sh2
-rw-r--r--scripts/kconfig/expr.h3
-rw-r--r--scripts/kconfig/preprocess.c2
-rw-r--r--scripts/kconfig/zconf.y8
-rw-r--r--security/selinux/selinuxfs.c78
-rw-r--r--sound/core/seq/seq_clientmgr.c3
-rw-r--r--sound/core/timer.c2
-rw-r--r--sound/pci/hda/hda_codec.c5
-rw-r--r--sound/pci/hda/hda_codec.h1
-rw-r--r--sound/pci/hda/patch_ca0132.c64
-rw-r--r--sound/pci/hda/patch_hdmi.c5
-rw-r--r--sound/pci/hda/patch_realtek.c20
-rw-r--r--sound/pci/lx6464es/lx6464es.c1
-rw-r--r--tools/arch/arm/include/uapi/asm/kvm.h1
-rw-r--r--tools/arch/arm64/include/uapi/asm/kvm.h1
-rw-r--r--tools/arch/powerpc/include/uapi/asm/kvm.h1
-rw-r--r--tools/arch/powerpc/include/uapi/asm/unistd.h1
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h2
-rw-r--r--tools/include/uapi/drm/drm.h7
-rw-r--r--tools/include/uapi/linux/bpf.h2
-rw-r--r--tools/include/uapi/linux/if_link.h2
-rw-r--r--tools/include/uapi/linux/kvm.h1
-rw-r--r--tools/perf/arch/powerpc/util/skip-callchain-idx.c2
-rw-r--r--tools/perf/arch/x86/entry/syscalls/syscall_64.tbl2
-rw-r--r--tools/perf/bench/numa.c5
-rw-r--r--tools/perf/builtin-annotate.c11
-rw-r--r--tools/perf/builtin-report.c3
-rw-r--r--tools/perf/builtin-script.c30
-rw-r--r--tools/perf/tests/parse-events.c25
-rw-r--r--tools/perf/tests/topology.c1
-rw-r--r--tools/perf/util/c++/clang.cpp11
-rw-r--r--tools/perf/util/header.c12
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c2
-rw-r--r--tools/perf/util/pmu.c99
-rw-r--r--tools/testing/selftests/x86/sigreturn.c59
-rw-r--r--tools/virtio/linux/scatterlist.h18
215 files changed, 1114 insertions, 886 deletions
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index 8b9164990956..8f1d3de449b5 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -324,8 +324,7 @@ Global Attributes
``intel_pstate`` exposes several global attributes (files) in ``sysfs`` to
control its functionality at the system level. They are located in the
-``/sys/devices/system/cpu/cpufreq/intel_pstate/`` directory and affect all
-CPUs.
+``/sys/devices/system/cpu/intel_pstate/`` directory and affect all CPUs.
Some of them are not present if the ``intel_pstate=per_cpu_perf_limits``
argument is passed to the kernel in the command line.
@@ -379,6 +378,17 @@ argument is passed to the kernel in the command line.
but it affects the maximum possible value of per-policy P-state limits
(see `Interpretation of Policy Attributes`_ below for details).
+``hwp_dynamic_boost``
+ This attribute is only present if ``intel_pstate`` works in the
+ `active mode with the HWP feature enabled <Active Mode With HWP_>`_ in
+ the processor. If set (equal to 1), it causes the minimum P-state limit
+ to be increased dynamically for a short time whenever a task previously
+ waiting on I/O is selected to run on a given logical CPU (the purpose
+ of this mechanism is to improve performance).
+
+ This setting has no effect on logical CPUs whose minimum P-state limit
+ is directly set to the highest non-turbo P-state or above it.
+
.. _status_attr:
``status``
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 2c391338c675..37bf0a9de75c 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -441,8 +441,6 @@ prototypes:
int (*iterate) (struct file *, struct dir_context *);
int (*iterate_shared) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
- struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
- __poll_t (*poll_mask) (struct file *, __poll_t);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
@@ -473,7 +471,7 @@ prototypes:
};
locking rules:
- All except for ->poll_mask may block.
+ All may block.
->llseek() locking has moved from llseek to the individual llseek
implementations. If your fs is not using generic_file_llseek, you
@@ -505,9 +503,6 @@ in sys_read() and friends.
the lease within the individual filesystem to record the result of the
operation
-->poll_mask can be called with or without the waitqueue lock for the waitqueue
-returned from ->get_poll_head.
-
--------------------------- dquot_operations -------------------------------
prototypes:
int (*write_dquot) (struct dquot *);
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 829a7b7857a4..f608180ad59d 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -857,8 +857,6 @@ struct file_operations {
ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
int (*iterate) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
- struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
- __poll_t (*poll_mask) (struct file *, __poll_t);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
@@ -903,17 +901,6 @@ otherwise noted.
activity on this file and (optionally) go to sleep until there
is activity. Called by the select(2) and poll(2) system calls
- get_poll_head: Returns the struct wait_queue_head that callers can
- wait on. Callers need to check the returned events using ->poll_mask
- once woken. Can return NULL to indicate polling is not supported,
- or any error code using the ERR_PTR convention to indicate that a
- grave error occured and ->poll_mask shall not be called.
-
- poll_mask: return the mask of EPOLL* values describing the file descriptor
- state. Called either before going to sleep on the waitqueue returned by
- get_poll_head, or after it has been woken. If ->get_poll_head and
- ->poll_mask are implemented ->poll does not need to be implement.
-
unlocked_ioctl: called by the ioctl(2) system call.
compat_ioctl: called by the ioctl(2) system call when 32 bit system calls
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index 3534a84d206c..64e0775a62d4 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -430,6 +430,12 @@ This sets the config program's title bar if the config program chooses
to use it. It should be placed at the top of the configuration, before any
other statement.
+'#' Kconfig source file comment:
+
+An unquoted '#' character anywhere in a source file line indicates
+the beginning of a source file comment. The remainder of that line
+is a comment.
+
Kconfig hints
-------------
diff --git a/MAINTAINERS b/MAINTAINERS
index bfb8a18d4793..07d1576fc766 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11481,6 +11481,15 @@ W: http://wireless.kernel.org/en/users/Drivers/p54
S: Obsolete
F: drivers/net/wireless/intersil/prism54/
+PROC FILESYSTEM
+R: Alexey Dobriyan <adobriyan@gmail.com>
+L: linux-kernel@vger.kernel.org
+L: linux-fsdevel@vger.kernel.org
+S: Maintained
+F: fs/proc/
+F: include/linux/proc_fs.h
+F: tools/testing/selftests/proc/
+
PROC SYSCTL
M: "Luis R. Rodriguez" <mcgrof@kernel.org>
M: Kees Cook <keescook@chromium.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 54eeb8d00bc6..843edfd000be 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1245,8 +1245,14 @@ config PCI
VESA. If you have PCI, say Y, otherwise N.
config PCI_DOMAINS
- bool
+ bool "Support for multiple PCI domains"
depends on PCI
+ help
+ Enable PCI domains kernel management. Say Y if your machine
+ has a PCI bus hierarchy that requires more than one PCI
+ domain (aka segment) to be correctly managed. Say N otherwise.
+
+ If you don't know what to do here, say N.
config PCI_DOMAINS_GENERIC
def_bool PCI_DOMAINS
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index f6f1597b03df..0f4f817a9e22 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -549,11 +549,7 @@
gpio-controller;
#gpio-cells = <2>;
reg = <0x226000 0x1000>;
- interrupts = <42 IRQ_TYPE_EDGE_BOTH
- 43 IRQ_TYPE_EDGE_BOTH 44 IRQ_TYPE_EDGE_BOTH
- 45 IRQ_TYPE_EDGE_BOTH 46 IRQ_TYPE_EDGE_BOTH
- 47 IRQ_TYPE_EDGE_BOTH 48 IRQ_TYPE_EDGE_BOTH
- 49 IRQ_TYPE_EDGE_BOTH 50 IRQ_TYPE_EDGE_BOTH>;
+ interrupts = <42 43 44 45 46 47 48 49 50>;
ti,ngpio = <144>;
ti,davinci-gpio-unbanked = <0>;
status = "disabled";
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index c46a728df44e..25aac6ee2ab1 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -20,6 +20,7 @@ config ARCH_BCM_IPROC
select GPIOLIB
select ARM_AMBA
select PINCTRL
+ select PCI_DOMAINS if PCI
help
This enables support for systems based on Broadcom IPROC architected SoCs.
The IPROC complex contains one or more ARM CPUs along with common
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index e22fb40e34bc..6d5beb11bd96 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -774,7 +774,7 @@ static struct gpiod_lookup_table mmc_gpios_table = {
GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_CD_PIN, "cd",
GPIO_ACTIVE_LOW),
GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_WP_PIN, "wp",
- GPIO_ACTIVE_LOW),
+ GPIO_ACTIVE_HIGH),
},
};
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index d0f62eacf59d..4adb901dd5eb 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -10,6 +10,7 @@ menuconfig ARCH_SOCFPGA
select HAVE_ARM_SCU
select HAVE_ARM_TWD if SMP
select MFD_SYSCON
+ select PCI_DOMAINS if PCI
if ARCH_SOCFPGA
config SOCFPGA_SUSPEND
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 4b3331fbfe39..dff9b15eb3c0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -66,9 +66,22 @@
&ethmac {
status = "okay";
- phy-mode = "rgmii";
pinctrl-0 = <&eth_rgmii_y_pins>;
pinctrl-names = "default";
+ phy-handle = <&eth_phy0>;
+ phy-mode = "rgmii";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eth_phy0: ethernet-phy@0 {
+ /* Realtek RTL8211F (0x001cc916) */
+ reg = <0>;
+ eee-broken-1000t;
+ };
+ };
};
&uart_A {
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index fee87737a201..67d7115e4eff 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -132,7 +132,7 @@
sd_emmc_b: sd@5000 {
compatible = "amlogic,meson-axg-mmc";
- reg = <0x0 0x5000 0x0 0x2000>;
+ reg = <0x0 0x5000 0x0 0x800>;
interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
clocks = <&clkc CLKID_SD_EMMC_B>,
@@ -144,7 +144,7 @@
sd_emmc_c: mmc@7000 {
compatible = "amlogic,meson-axg-mmc";
- reg = <0x0 0x7000 0x0 0x2000>;
+ reg = <0x0 0x7000 0x0 0x800>;
interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
clocks = <&clkc CLKID_SD_EMMC_C>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 3c31e21cbed7..b8dc4dbb391b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -35,6 +35,12 @@
no-map;
};
+ /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
+ secmon_reserved_alt: secmon@5000000 {
+ reg = <0x0 0x05000000 0x0 0x300000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
@@ -457,21 +463,21 @@
sd_emmc_a: mmc@70000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
- reg = <0x0 0x70000 0x0 0x2000>;
+ reg = <0x0 0x70000 0x0 0x800>;
interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
sd_emmc_b: mmc@72000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
- reg = <0x0 0x72000 0x0 0x2000>;
+ reg = <0x0 0x72000 0x0 0x800>;
interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
sd_emmc_c: mmc@74000 {
compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
- reg = <0x0 0x74000 0x0 0x2000>;
+ reg = <0x0 0x74000 0x0 0x800>;
interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
index eb327664a4d8..6aaafff674f9 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
@@ -6,7 +6,7 @@
&apb {
mali: gpu@c0000 {
- compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
+ compatible = "amlogic,meson-gxl-mali", "arm,mali-450";
reg = <0x0 0xc0000 0x0 0x40000>;
interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 3e3eb31748a3..f63bceb88caa 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -234,9 +234,6 @@
bus-width = <4>;
cap-sd-highspeed;
- sd-uhs-sdr12;
- sd-uhs-sdr25;
- sd-uhs-sdr50;
max-frequency = <100000000>;
disable-wp;
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
index 0cfd701809de..a1b31013ab6e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
@@ -189,3 +189,10 @@
&usb0 {
status = "okay";
};
+
+&usb2_phy0 {
+ /*
+ * HDMI_5V is also used as supply for the USB VBUS.
+ */
+ phy-supply = <&hdmi_5v>;
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index 27538eea547b..c87a80e9bcc6 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -13,14 +13,6 @@
/ {
compatible = "amlogic,meson-gxl";
- reserved-memory {
- /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
- secmon_reserved_alt: secmon@5000000 {
- reg = <0x0 0x05000000 0x0 0x300000>;
- no-map;
- };
- };
-
soc {
usb0: usb@c9000000 {
status = "disabled";
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index c6999624ed8a..68c5a6c819ae 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -585,6 +585,8 @@
vmmc-supply = <&wlan_en>;
ti,non-removable;
non-removable;
+ cap-power-off-card;
+ keep-power-in-suspend;
#address-cells = <0x1>;
#size-cells = <0x0>;
status = "ok";
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index edb4ee0b8896..7f12624f6c8e 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -322,6 +322,8 @@
dwmmc_2: dwmmc2@f723f000 {
bus-width = <0x4>;
non-removable;
+ cap-power-off-card;
+ keep-power-in-suspend;
vmmc-supply = <&reg_vdd_3v3>;
mmc-pwrseq = <&wl1835_pwrseq>;
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index a91933b1e2e6..4b650ec1d7dd 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -28,7 +28,12 @@ typedef void (*alternative_cb_t)(struct alt_instr *alt,
__le32 *origptr, __le32 *updptr, int nr_inst);
void __init apply_alternatives_all(void);
-void apply_alternatives(void *start, size_t length);
+
+#ifdef CONFIG_MODULES
+void apply_alternatives_module(void *start, size_t length);
+#else
+static inline void apply_alternatives_module(void *start, size_t length) { }
+#endif
#define ALTINSTR_ENTRY(feature,cb) \
" .word 661b - .\n" /* label */ \
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 9f82d6b53851..1bdeca8918a6 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -224,10 +224,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
* Only if the new pte is valid and kernel, otherwise TLB maintenance
* or update_mmu_cache() have the necessary barriers.
*/
- if (pte_valid_not_user(pte)) {
+ if (pte_valid_not_user(pte))
dsb(ishst);
- isb();
- }
}
extern void __sync_icache_dcache(pte_t pteval);
@@ -434,7 +432,6 @@ static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
{
WRITE_ONCE(*pmdp, pmd);
dsb(ishst);
- isb();
}
static inline void pmd_clear(pmd_t *pmdp)
@@ -485,7 +482,6 @@ static inline void set_pud(pud_t *pudp, pud_t pud)
{
WRITE_ONCE(*pudp, pud);
dsb(ishst);
- isb();
}
static inline void pud_clear(pud_t *pudp)
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c
index 5c4bce4ac381..36fb069fd049 100644
--- a/arch/arm64/kernel/alternative.c
+++ b/arch/arm64/kernel/alternative.c
@@ -122,7 +122,30 @@ static void patch_alternative(struct alt_instr *alt,
}
}
-static void __apply_alternatives(void *alt_region, bool use_linear_alias)
+/*
+ * We provide our own, private D-cache cleaning function so that we don't
+ * accidentally call into the cache.S code, which is patched by us at
+ * runtime.
+ */
+static void clean_dcache_range_nopatch(u64 start, u64 end)
+{
+ u64 cur, d_size, ctr_el0;
+
+ ctr_el0 = read_sanitised_ftr_reg(SYS_CTR_EL0);
+ d_size = 4 << cpuid_feature_extract_unsigned_field(ctr_el0,
+ CTR_DMINLINE_SHIFT);
+ cur = start & ~(d_size - 1);
+ do {
+ /*
+ * We must clean+invalidate to the PoC in order to avoid
+ * Cortex-A53 errata 826319, 827319, 824069 and 819472
+ * (this corresponds to ARM64_WORKAROUND_CLEAN_CACHE)
+ */
+ asm volatile("dc civac, %0" : : "r" (cur) : "memory");
+ } while (cur += d_size, cur < end);
+}
+
+static void __apply_alternatives(void *alt_region, bool is_module)
{
struct alt_instr *alt;
struct alt_region *region = alt_region;
@@ -145,7 +168,7 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias)
pr_info_once("patching kernel code\n");
origptr = ALT_ORIG_PTR(alt);
- updptr = use_linear_alias ? lm_alias(origptr) : origptr;
+ updptr = is_module ? origptr : lm_alias(origptr);
nr_inst = alt->orig_len / AARCH64_INSN_SIZE;
if (alt->cpufeature < ARM64_CB_PATCH)
@@ -155,8 +178,20 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias)
alt_cb(alt, origptr, updptr, nr_inst);
- flush_icache_range((uintptr_t)origptr,
- (uintptr_t)(origptr + nr_inst));
+ if (!is_module) {
+ clean_dcache_range_nopatch((u64)origptr,
+ (u64)(origptr + nr_inst));
+ }
+ }
+
+ /*
+ * The core module code takes care of cache maintenance in
+ * flush_module_icache().
+ */
+ if (!is_module) {
+ dsb(ish);
+ __flush_icache_all();
+ isb();
}
}
@@ -178,7 +213,7 @@ static int __apply_alternatives_multi_stop(void *unused)
isb();
} else {
BUG_ON(alternatives_applied);
- __apply_alternatives(&region, true);
+ __apply_alternatives(&region, false);
/* Barriers provided by the cache flushing */
WRITE_ONCE(alternatives_applied, 1);
}
@@ -192,12 +227,14 @@ void __init apply_alternatives_all(void)
stop_machine(__apply_alternatives_multi_stop, NULL, cpu_online_mask);
}
-void apply_alternatives(void *start, size_t length)
+#ifdef CONFIG_MODULES
+void apply_alternatives_module(void *start, size_t length)
{
struct alt_region region = {
.begin = start,
.end = start + length,
};
- __apply_alternatives(&region, false);
+ __apply_alternatives(&region, true);
}
+#endif
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index 155fd91e78f4..f0f27aeefb73 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -448,9 +448,8 @@ int module_finalize(const Elf_Ehdr *hdr,
const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) {
- if (strcmp(".altinstructions", secstrs + s->sh_name) == 0) {
- apply_alternatives((void *)s->sh_addr, s->sh_size);
- }
+ if (strcmp(".altinstructions", secstrs + s->sh_name) == 0)
+ apply_alternatives_module((void *)s->sh_addr, s->sh_size);
#ifdef CONFIG_ARM64_MODULE_PLTS
if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) &&
!strcmp(".text.ftrace_trampoline", secstrs + s->sh_name))
diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h
index e4633803fe43..82e44b1a00ae 100644
--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h
@@ -138,7 +138,6 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb,
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
- pgtable_page_dtor(table);
pgtable_free_tlb(tlb, page_address(table), 0);
}
#endif /* _ASM_POWERPC_BOOK3S_32_PGALLOC_H */
diff --git a/arch/powerpc/include/asm/nohash/32/pgalloc.h b/arch/powerpc/include/asm/nohash/32/pgalloc.h
index 9de40eb614da..8825953c225b 100644
--- a/arch/powerpc/include/asm/nohash/32/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h
@@ -140,7 +140,6 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
tlb_flush_pgtable(tlb, address);
- pgtable_page_dtor(table);
pgtable_free_tlb(tlb, page_address(table), 0);
}
#endif /* _ASM_POWERPC_PGALLOC_32_H */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index cfcf6a874cfa..01b5171ea189 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -393,3 +393,4 @@ SYSCALL(pkey_alloc)
SYSCALL(pkey_free)
SYSCALL(pkey_mprotect)
SYSCALL(rseq)
+COMPAT_SYS(io_pgetevents)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 1e9708632dce..c19379f0a32e 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 388
+#define NR_syscalls 389
#define __NR__exit __NR_exit
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index ac5ba55066dd..985534d0b448 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -399,5 +399,6 @@
#define __NR_pkey_free 385
#define __NR_pkey_mprotect 386
#define __NR_rseq 387
+#define __NR_io_pgetevents 388
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 4f861055a852..d63b488d34d7 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -285,9 +285,6 @@ pci_bus_to_hose(int bus)
* Note that the returned IO or memory base is a physical address
*/
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE3(pciconfig_iobase, long, which,
unsigned long, bus, unsigned long, devfn)
{
@@ -313,4 +310,3 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which,
return result;
}
-#pragma GCC diagnostic pop
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 812171c09f42..dff28f903512 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -203,9 +203,6 @@ void pcibios_setup_phb_io_space(struct pci_controller *hose)
#define IOBASE_ISA_IO 3
#define IOBASE_ISA_MEM 4
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
unsigned long, in_devfn)
{
@@ -259,7 +256,6 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
return -EOPNOTSUPP;
}
-#pragma GCC diagnostic pop
#ifdef CONFIG_NUMA
int pcibus_to_node(struct pci_bus *bus)
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 7fb9f83dcde8..8afd146bc9c7 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -1051,9 +1051,6 @@ struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
}
/* We assume to be passed big endian arguments */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
{
struct rtas_args args;
@@ -1140,7 +1137,6 @@ SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
return 0;
}
-#pragma GCC diagnostic pop
/*
* Call early during boot, before mem init, to retrieve the RTAS
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 5eedbb282d42..e6474a45cef5 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -1038,9 +1038,6 @@ static int do_setcontext_tm(struct ucontext __user *ucp,
}
#endif
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
#ifdef CONFIG_PPC64
COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
struct ucontext __user *, new_ctx, int, ctx_size)
@@ -1134,7 +1131,6 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
set_thread_flag(TIF_RESTOREALL);
return 0;
}
-#pragma GCC diagnostic pop
#ifdef CONFIG_PPC64
COMPAT_SYSCALL_DEFINE0(rt_sigreturn)
@@ -1231,9 +1227,6 @@ SYSCALL_DEFINE0(rt_sigreturn)
return 0;
}
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
#ifdef CONFIG_PPC32
SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx,
int, ndbg, struct sig_dbg_op __user *, dbg)
@@ -1337,7 +1330,6 @@ SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx,
return 0;
}
#endif
-#pragma GCC diagnostic pop
/*
* OK, we're invoking a handler
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index d42b60020389..83d51bf586c7 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -625,9 +625,6 @@ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp)
/*
* Handle {get,set,swap}_context operations
*/
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
struct ucontext __user *, new_ctx, long, ctx_size)
{
@@ -693,7 +690,6 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
set_thread_flag(TIF_RESTOREALL);
return 0;
}
-#pragma GCC diagnostic pop
/*
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index 083fa06962fd..466216506eb2 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -62,9 +62,6 @@ out:
return ret;
}
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len,
unsigned long, prot, unsigned long, flags,
unsigned long, fd, unsigned long, pgoff)
@@ -78,7 +75,6 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
{
return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT);
}
-#pragma GCC diagnostic pop
#ifdef CONFIG_PPC32
/*
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index 75cb646a79c3..9d16ee251fc0 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -186,9 +186,6 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
* in a 2-bit field won't allow writes to a page that is otherwise
* write-protected.
*/
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
unsigned long, len, u32 __user *, map)
{
@@ -272,4 +269,3 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
up_write(&mm->mmap_sem);
return err;
}
-#pragma GCC diagnostic pop
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 7c968e46736f..12e6e4d30602 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -42,7 +42,11 @@
#define DBG(x...)
#endif
-/* Apparently the RTC stores seconds since 1 Jan 1904 */
+/*
+ * Offset between Unix time (1970-based) and Mac time (1904-based). Cuda and PMU
+ * times wrap in 2040. If we need to handle later times, the read_time functions
+ * need to be changed to interpret wrapped times as post-2040.
+ */
#define RTC_OFFSET 2082844800
/*
@@ -97,8 +101,11 @@ static time64_t cuda_get_time(void)
if (req.reply_len != 7)
printk(KERN_ERR "cuda_get_time: got %d byte reply\n",
req.reply_len);
- now = (req.reply[3] << 24) + (req.reply[4] << 16)
- + (req.reply[5] << 8) + req.reply[6];
+ now = (u32)((req.reply[3] << 24) + (req.reply[4] << 16) +
+ (req.reply[5] << 8) + req.reply[6]);
+ /* it's either after year 2040, or the RTC has gone backwards */
+ WARN_ON(now < RTC_OFFSET);
+
return now - RTC_OFFSET;
}
@@ -106,10 +113,10 @@ static time64_t cuda_get_time(void)
static int cuda_set_rtc_time(struct rtc_time *tm)
{
- time64_t nowtime;
+ u32 nowtime;
struct adb_request req;
- nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET;
+ nowtime = lower_32_bits(rtc_tm_to_time64(tm) + RTC_OFFSET);
if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME,
nowtime >> 24, nowtime >> 16, nowtime >> 8,
nowtime) < 0)
@@ -140,8 +147,12 @@ static time64_t pmu_get_time(void)
if (req.reply_len != 4)
printk(KERN_ERR "pmu_get_time: got %d byte reply from PMU\n",
req.reply_len);
- now = (req.reply[0] << 24) + (req.reply[1] << 16)
- + (req.reply[2] << 8) + req.reply[3];
+ now = (u32)((req.reply[0] << 24) + (req.reply[1] << 16) +
+ (req.reply[2] << 8) + req.reply[3]);
+
+ /* it's either after year 2040, or the RTC has gone backwards */
+ WARN_ON(now < RTC_OFFSET);
+
return now - RTC_OFFSET;
}
@@ -149,10 +160,10 @@ static time64_t pmu_get_time(void)
static int pmu_set_rtc_time(struct rtc_time *tm)
{
- time64_t nowtime;
+ u32 nowtime;
struct adb_request req;
- nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET;
+ nowtime = lower_32_bits(rtc_tm_to_time64(tm) + RTC_OFFSET);
if (pmu_request(&req, NULL, 5, PMU_SET_RTC, nowtime >> 24,
nowtime >> 16, nowtime >> 8, nowtime) < 0)
return -ENXIO;
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 2582881d19ce..c371bfee137a 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -477,7 +477,7 @@ ENTRY(entry_SYSENTER_32)
* whereas POPF does not.)
*/
addl $PT_EFLAGS-PT_DS, %esp /* point esp at pt_regs->flags */
- btr $X86_EFLAGS_IF_BIT, (%esp)
+ btrl $X86_EFLAGS_IF_BIT, (%esp)
popfl
/*
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 9de7f1e1dede..7d0df78db727 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -84,13 +84,13 @@ ENTRY(entry_SYSENTER_compat)
pushq %rdx /* pt_regs->dx */
pushq %rcx /* pt_regs->cx */
pushq $-ENOSYS /* pt_regs->ax */
- pushq %r8 /* pt_regs->r8 */
+ pushq $0 /* pt_regs->r8 = 0 */
xorl %r8d, %r8d /* nospec r8 */
- pushq %r9 /* pt_regs->r9 */
+ pushq $0 /* pt_regs->r9 = 0 */
xorl %r9d, %r9d /* nospec r9 */
- pushq %r10 /* pt_regs->r10 */
+ pushq $0 /* pt_regs->r10 = 0 */
xorl %r10d, %r10d /* nospec r10 */
- pushq %r11 /* pt_regs->r11 */
+ pushq $0 /* pt_regs->r11 = 0 */
xorl %r11d, %r11d /* nospec r11 */
pushq %rbx /* pt_regs->rbx */
xorl %ebx, %ebx /* nospec rbx */
@@ -374,13 +374,13 @@ ENTRY(entry_INT80_compat)
pushq %rcx /* pt_regs->cx */
xorl %ecx, %ecx /* nospec cx */
pushq $-ENOSYS /* pt_regs->ax */
- pushq $0 /* pt_regs->r8 = 0 */
+ pushq %r8 /* pt_regs->r8 */
xorl %r8d, %r8d /* nospec r8 */
- pushq $0 /* pt_regs->r9 = 0 */
+ pushq %r9 /* pt_regs->r9 */
xorl %r9d, %r9d /* nospec r9 */
- pushq $0 /* pt_regs->r10 = 0 */
+ pushq %r10 /* pt_regs->r10*/
xorl %r10d, %r10d /* nospec r10 */
- pushq $0 /* pt_regs->r11 = 0 */
+ pushq %r11 /* pt_regs->r11 */
xorl %r11d, %r11d /* nospec r11 */
pushq %rbx /* pt_regs->rbx */
xorl %ebx, %ebx /* nospec rbx */
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index ada6410fd2ec..fbd578daa66e 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -184,6 +184,9 @@ static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr)
static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
{
+ if (!pgtable_l5_enabled())
+ return;
+
BUG_ON((unsigned long)p4d & (PAGE_SIZE-1));
free_page((unsigned long)p4d);
}
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 99ecde23c3ec..5715647fc4fe 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -898,7 +898,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd)
#define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd))
/* to find an entry in a page-table-directory. */
-static __always_inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
+static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
{
if (!pgtable_l5_enabled())
return (p4d_t *)pgd;
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 0fdcd21dadbd..3c5385f9a88f 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -216,7 +216,7 @@ static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
}
#endif
-static __always_inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
+static inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
{
pgd_t pgd;
@@ -230,7 +230,7 @@ static __always_inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
*p4dp = native_make_p4d(native_pgd_val(pgd));
}
-static __always_inline void native_p4d_clear(p4d_t *p4d)
+static inline void native_p4d_clear(p4d_t *p4d)
{
native_set_p4d(p4d, native_make_p4d(0));
}
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index d1f25c831447..c88c23c658c1 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1248,6 +1248,7 @@ void __init e820__memblock_setup(void)
{
int i;
u64 end;
+ u64 addr = 0;
/*
* The bootstrap memblock region count maximum is 128 entries
@@ -1264,13 +1265,21 @@ void __init e820__memblock_setup(void)
struct e820_entry *entry = &e820_table->entries[i];
end = entry->addr + entry->size;
+ if (addr < entry->addr)
+ memblock_reserve(addr, entry->addr - addr);
+ addr = end;
if (end != (resource_size_t)end)
continue;
+ /*
+ * all !E820_TYPE_RAM ranges (including gap ranges) are put
+ * into memblock.reserved to make sure that struct pages in
+ * such regions are not left uninitialized after bootup.
+ */
if (entry->type != E820_TYPE_RAM && entry->type != E820_TYPE_RESERVED_KERN)
- continue;
-
- memblock_add(entry->addr, entry->size);
+ memblock_reserve(entry->addr, entry->size);
+ else
+ memblock_add(entry->addr, entry->size);
}
/* Throw away partial pages: */
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9a84a0d08727..2aafa6ab6103 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -641,11 +641,6 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
return 0;
}
-static const char nx_warning[] = KERN_CRIT
-"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n";
-static const char smep_warning[] = KERN_CRIT
-"unable to execute userspace code (SMEP?) (uid: %d)\n";
-
static void
show_fault_oops(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
@@ -664,20 +659,18 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
pte = lookup_address_in_pgd(pgd, address, &level);
if (pte && pte_present(*pte) && !pte_exec(*pte))
- printk(nx_warning, from_kuid(&init_user_ns, current_uid()));
+ pr_crit("kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n",
+ from_kuid(&init_user_ns, current_uid()));
if (pte && pte_present(*pte) && pte_exec(*pte) &&
(pgd_flags(*pgd) & _PAGE_USER) &&
(__read_cr4() & X86_CR4_SMEP))
- printk(smep_warning, from_kuid(&init_user_ns, current_uid()));
+ pr_crit("unable to execute userspace code (SMEP?) (uid: %d)\n",
+ from_kuid(&init_user_ns, current_uid()));
}
- printk(KERN_ALERT "BUG: unable to handle kernel ");
- if (address < PAGE_SIZE)
- printk(KERN_CONT "NULL pointer dereference");
- else
- printk(KERN_CONT "paging request");
-
- printk(KERN_CONT " at %px\n", (void *) address);
+ pr_alert("BUG: unable to handle kernel %s at %px\n",
+ address < PAGE_SIZE ? "NULL pointer dereference" : "paging request",
+ (void *)address);
dump_pagetable(address);
}
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index e01f7ceb9e7a..77873ce700ae 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -166,14 +166,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd)
pgd = pgd_offset_k(pgd_idx * PGDIR_SIZE);
set_pgd(pgd_offset_k(pgd_idx * PGDIR_SIZE), save_pgd[pgd_idx]);
- if (!(pgd_val(*pgd) & _PAGE_PRESENT))
+ if (!pgd_present(*pgd))
continue;
for (i = 0; i < PTRS_PER_P4D; i++) {
p4d = p4d_offset(pgd,
pgd_idx * PGDIR_SIZE + i * P4D_SIZE);
- if (!(p4d_val(*p4d) & _PAGE_PRESENT))
+ if (!p4d_present(*p4d))
continue;
pud = (pud_t *)p4d_page_vaddr(*p4d);
diff --git a/block/blk-core.c b/block/blk-core.c
index afd2596ea3d3..f84a9b7b6f5a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -3473,6 +3473,10 @@ static void __blk_rq_prep_clone(struct request *dst, struct request *src)
dst->cpu = src->cpu;
dst->__sector = blk_rq_pos(src);
dst->__data_len = blk_rq_bytes(src);
+ if (src->rq_flags & RQF_SPECIAL_PAYLOAD) {
+ dst->rq_flags |= RQF_SPECIAL_PAYLOAD;
+ dst->special_vec = src->special_vec;
+ }
dst->nr_phys_segments = src->nr_phys_segments;
dst->ioprio = src->ioprio;
dst->extra_len = src->extra_len;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index b429d515b568..95919268564b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1075,6 +1075,9 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx **hctx,
#define BLK_MQ_RESOURCE_DELAY 3 /* ms units */
+/*
+ * Returns true if we did some work AND can potentially do more.
+ */
bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
bool got_budget)
{
@@ -1205,8 +1208,17 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
blk_mq_run_hw_queue(hctx, true);
else if (needs_restart && (ret == BLK_STS_RESOURCE))
blk_mq_delay_run_hw_queue(hctx, BLK_MQ_RESOURCE_DELAY);
+
+ return false;
}
+ /*
+ * If the host/device is unable to accept more work, inform the
+ * caller of that.
+ */
+ if (ret == BLK_STS_RESOURCE || ret == BLK_STS_DEV_RESOURCE)
+ return false;
+
return (queued + errors) != 0;
}
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 49fa8582138b..314c52c967e5 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -1060,12 +1060,19 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
}
EXPORT_SYMBOL_GPL(af_alg_async_cb);
-__poll_t af_alg_poll_mask(struct socket *sock, __poll_t events)
+/**
+ * af_alg_poll - poll system call handler
+ */
+__poll_t af_alg_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct af_alg_ctx *ctx = ask->private;
- __poll_t mask = 0;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
if (!ctx->more || ctx->used)
mask |= EPOLLIN | EPOLLRDNORM;
@@ -1075,7 +1082,7 @@ __poll_t af_alg_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-EXPORT_SYMBOL_GPL(af_alg_poll_mask);
+EXPORT_SYMBOL_GPL(af_alg_poll);
/**
* af_alg_alloc_areq - allocate struct af_alg_async_req
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 825524f27438..c40a8c7ee8ae 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -375,7 +375,7 @@ static struct proto_ops algif_aead_ops = {
.sendmsg = aead_sendmsg,
.sendpage = af_alg_sendpage,
.recvmsg = aead_recvmsg,
- .poll_mask = af_alg_poll_mask,
+ .poll = af_alg_poll,
};
static int aead_check_key(struct socket *sock)
@@ -471,7 +471,7 @@ static struct proto_ops algif_aead_ops_nokey = {
.sendmsg = aead_sendmsg_nokey,
.sendpage = aead_sendpage_nokey,
.recvmsg = aead_recvmsg_nokey,
- .poll_mask = af_alg_poll_mask,
+ .poll = af_alg_poll,
};
static void *aead_bind(const char *name, u32 type, u32 mask)
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 4c04eb9888ad..cfdaab2b7d76 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -206,7 +206,7 @@ static struct proto_ops algif_skcipher_ops = {
.sendmsg = skcipher_sendmsg,
.sendpage = af_alg_sendpage,
.recvmsg = skcipher_recvmsg,
- .poll_mask = af_alg_poll_mask,
+ .poll = af_alg_poll,
};
static int skcipher_check_key(struct socket *sock)
@@ -302,7 +302,7 @@ static struct proto_ops algif_skcipher_ops_nokey = {
.sendmsg = skcipher_sendmsg_nokey,
.sendpage = skcipher_sendpage_nokey,
.recvmsg = skcipher_recvmsg_nokey,
- .poll_mask = af_alg_poll_mask,
+ .poll = af_alg_poll,
};
static void *skcipher_bind(const char *name, u32 type, u32 mask)
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 4925af5c4cf0..c298de8a8308 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2487,10 +2487,9 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
* power domain corresponding to a DT node's "required-opps" property.
*
* @dev: Device for which the performance-state needs to be found.
- * @opp_node: DT node where the "required-opps" property is present. This can be
+ * @np: DT node where the "required-opps" property is present. This can be
* the device node itself (if it doesn't have an OPP table) or a node
* within the OPP table of a device (if device has an OPP table).
- * @state: Pointer to return performance state.
*
* Returns performance state corresponding to the "required-opps" property of
* a DT node. This calls platform specific genpd->opp_to_performance_state()
@@ -2499,7 +2498,7 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
* Returns performance state on success and 0 on failure.
*/
unsigned int of_genpd_opp_to_performance_state(struct device *dev,
- struct device_node *opp_node)
+ struct device_node *np)
{
struct generic_pm_domain *genpd;
struct dev_pm_opp *opp;
@@ -2514,7 +2513,7 @@ unsigned int of_genpd_opp_to_performance_state(struct device *dev,
genpd_lock(genpd);
- opp = of_dev_pm_opp_find_required_opp(&genpd->dev, opp_node);
+ opp = of_dev_pm_opp_find_required_opp(&genpd->dev, np);
if (IS_ERR(opp)) {
dev_err(dev, "Failed to find required OPP: %ld\n",
PTR_ERR(opp));
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index a47e4987ee46..d146fedc38bb 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1244,8 +1244,8 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
_drbd_start_io_acct(device, req);
/* process discards always from our submitter thread */
- if ((bio_op(bio) & REQ_OP_WRITE_ZEROES) ||
- (bio_op(bio) & REQ_OP_DISCARD))
+ if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
+ bio_op(bio) == REQ_OP_DISCARD)
goto queue_for_submitter_thread;
if (rw == WRITE && req->private_bio && req->i.size
diff --git a/drivers/char/random.c b/drivers/char/random.c
index a8fb0020ba5c..cd888d4ee605 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -402,7 +402,8 @@ static struct poolinfo {
/*
* Static global variables
*/
-static DECLARE_WAIT_QUEUE_HEAD(random_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
static struct fasync_struct *fasync;
static DEFINE_SPINLOCK(random_ready_list_lock);
@@ -721,8 +722,8 @@ retry:
/* should we wake readers? */
if (entropy_bits >= random_read_wakeup_bits &&
- wq_has_sleeper(&random_wait)) {
- wake_up_interruptible_poll(&random_wait, POLLIN);
+ wq_has_sleeper(&random_read_wait)) {
+ wake_up_interruptible(&random_read_wait);
kill_fasync(&fasync, SIGIO, POLL_IN);
}
/* If the input pool is getting full, send some
@@ -1396,7 +1397,7 @@ retry:
trace_debit_entropy(r->name, 8 * ibytes);
if (ibytes &&
(r->entropy_count >> ENTROPY_SHIFT) < random_write_wakeup_bits) {
- wake_up_interruptible_poll(&random_wait, POLLOUT);
+ wake_up_interruptible(&random_write_wait);
kill_fasync(&fasync, SIGIO, POLL_OUT);
}
@@ -1838,7 +1839,7 @@ _random_read(int nonblock, char __user *buf, size_t nbytes)
if (nonblock)
return -EAGAIN;
- wait_event_interruptible(random_wait,
+ wait_event_interruptible(random_read_wait,
ENTROPY_BITS(&input_pool) >=
random_read_wakeup_bits);
if (signal_pending(current))
@@ -1875,17 +1876,14 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
return ret;
}
-static struct wait_queue_head *
-random_get_poll_head(struct file *file, __poll_t events)
-{
- return &random_wait;
-}
-
static __poll_t
-random_poll_mask(struct file *file, __poll_t events)
+random_poll(struct file *file, poll_table * wait)
{
- __poll_t mask = 0;
+ __poll_t mask;
+ poll_wait(file, &random_read_wait, wait);
+ poll_wait(file, &random_write_wait, wait);
+ mask = 0;
if (ENTROPY_BITS(&input_pool) >= random_read_wakeup_bits)
mask |= EPOLLIN | EPOLLRDNORM;
if (ENTROPY_BITS(&input_pool) < random_write_wakeup_bits)
@@ -1992,8 +1990,7 @@ static int random_fasync(int fd, struct file *filp, int on)
const struct file_operations random_fops = {
.read = random_read,
.write = random_write,
- .get_poll_head = random_get_poll_head,
- .poll_mask = random_poll_mask,
+ .poll = random_poll,
.unlocked_ioctl = random_ioctl,
.fasync = random_fasync,
.llseek = noop_llseek,
@@ -2326,7 +2323,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
* We'll be woken up again once below random_write_wakeup_thresh,
* or when the calling thread is about to terminate.
*/
- wait_event_interruptible(random_wait, kthread_should_stop() ||
+ wait_event_interruptible(random_write_wait, kthread_should_stop() ||
ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits);
mix_pool_bytes(poolp, buffer, count);
credit_entropy_bits(poolp, entropy);
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 01bddacf5c3b..29389accf3e9 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -87,8 +87,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
int ret;
cpu_dev = get_cpu_device(0);
- if (NULL == cpu_dev)
- ret = -ENODEV;
+ if (!cpu_dev)
+ return -ENODEV;
msm8996_version = qcom_cpufreq_kryo_get_msm_id();
if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
@@ -97,8 +97,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
}
np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
- if (IS_ERR(np))
- return PTR_ERR(np);
+ if (!np)
+ return -ENOENT;
ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
if (!ret) {
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 903d9c473749..45276abf03aa 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -86,6 +86,7 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
{
struct dax_device *dax_dev;
bool dax_enabled = false;
+ struct request_queue *q;
pgoff_t pgoff;
int err, id;
void *kaddr;
@@ -99,6 +100,13 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
return false;
}
+ q = bdev_get_queue(bdev);
+ if (!q || !blk_queue_dax(q)) {
+ pr_debug("%s: error: request queue doesn't support dax\n",
+ bdevname(bdev, buf));
+ return false;
+ }
+
err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff);
if (err) {
pr_debug("%s: error: unaligned partition for dax\n",
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 39ec6b8890a1..e74d620d9699 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -376,7 +376,7 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
struct amdgpu_device *adev = ring->adev;
uint64_t index;
- if (ring != &adev->uvd.inst[ring->me].ring) {
+ if (ring->funcs->type != AMDGPU_RING_TYPE_UVD) {
ring->fence_drv.cpu_addr = &adev->wb.wb[ring->fence_offs];
ring->fence_drv.gpu_addr = adev->wb.gpu_addr + (ring->fence_offs * 4);
} else {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 127e87b470ff..1b4ad9b2a755 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -52,7 +52,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
unsigned long bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
- unsigned version_major, version_minor, family_id;
+ unsigned char fw_check;
int r;
INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
@@ -83,12 +83,33 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
- family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
- version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
- version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
- DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
- version_major, version_minor, family_id);
+ /* Bit 20-23, it is encode major and non-zero for new naming convention.
+ * This field is part of version minor and DRM_DISABLED_FLAG in old naming
+ * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
+ * is zero in old naming convention, this field is always zero so far.
+ * These four bits are used to tell which naming convention is present.
+ */
+ fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
+ if (fw_check) {
+ unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
+
+ fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
+ enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
+ enc_major = fw_check;
+ dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
+ vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
+ DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
+ enc_major, enc_minor, dec_ver, vep, fw_rev);
+ } else {
+ unsigned int version_major, version_minor, family_id;
+
+ family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
+ version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
+ version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
+ DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
+ version_major, version_minor, family_id);
+ }
bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
+ AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b0eb2f537392..edf16b2b957a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1463,7 +1463,9 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
uint64_t count;
max_entries = min(max_entries, 16ull * 1024ull);
- for (count = 1; count < max_entries; ++count) {
+ for (count = 1;
+ count < max_entries / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+ ++count) {
uint64_t idx = pfn + count;
if (pages_addr[idx] !=
@@ -1476,7 +1478,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
dma_addr = pages_addr;
} else {
addr = pages_addr[pfn];
- max_entries = count;
+ max_entries = count * (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
}
} else if (flags & AMDGPU_PTE_VALID) {
@@ -1491,7 +1493,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
if (r)
return r;
- pfn += last - start + 1;
+ pfn += (last - start + 1) / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
if (nodes && nodes->size == pfn) {
pfn = 0;
++nodes;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f9add85157e7..3a8d6356afc2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3928,10 +3928,11 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
if (acrtc->base.state->event)
prepare_flip_isr(acrtc);
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+
surface_updates->surface = dc_stream_get_status(acrtc_state->stream)->plane_states[0];
surface_updates->flip_addr = &addr;
-
dc_commit_updates_for_stream(adev->dm.dc,
surface_updates,
1,
@@ -3944,9 +3945,6 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
__func__,
addr.address.grph.addr.high_part,
addr.address.grph.addr.low_part);
-
-
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
}
/*
@@ -4206,6 +4204,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
struct drm_connector *connector;
struct drm_connector_state *old_con_state, *new_con_state;
struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
+ int crtc_disable_count = 0;
drm_atomic_helper_update_legacy_modeset_state(dev, state);
@@ -4410,6 +4409,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
bool modeset_needed;
+ if (old_crtc_state->active && !new_crtc_state->active)
+ crtc_disable_count++;
+
dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
modeset_needed = modeset_required(
@@ -4463,11 +4465,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
* so we can put the GPU into runtime suspend if we're not driving any
* displays anymore
*/
+ for (i = 0; i < crtc_disable_count; i++)
+ pm_runtime_put_autosuspend(dev->dev);
pm_runtime_mark_last_busy(dev->dev);
- for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
- if (old_crtc_state->active && !new_crtc_state->active)
- pm_runtime_put_autosuspend(dev->dev);
- }
}
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 8d20faa198cf..0a788d76ed5f 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -278,7 +278,6 @@ static int malidp_init(struct drm_device *drm)
static void malidp_fini(struct drm_device *drm)
{
- drm_atomic_helper_shutdown(drm);
drm_mode_config_cleanup(drm);
}
@@ -646,6 +645,7 @@ vblank_fail:
malidp_de_irq_fini(drm);
drm->irq_enabled = false;
irq_init_fail:
+ drm_atomic_helper_shutdown(drm);
component_unbind_all(dev, drm);
bind_fail:
of_node_put(malidp->crtc.port);
@@ -681,6 +681,7 @@ static void malidp_unbind(struct device *dev)
malidp_se_irq_fini(drm);
malidp_de_irq_fini(drm);
drm->irq_enabled = false;
+ drm_atomic_helper_shutdown(drm);
component_unbind_all(dev, drm);
of_node_put(malidp->crtc.port);
malidp->crtc.port = NULL;
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index d789b46dc817..069783e715f1 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -634,7 +634,8 @@ const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
.vsync_irq = MALIDP500_DE_IRQ_VSYNC,
},
.se_irq_map = {
- .irq_mask = MALIDP500_SE_IRQ_CONF_MODE,
+ .irq_mask = MALIDP500_SE_IRQ_CONF_MODE |
+ MALIDP500_SE_IRQ_GLOBAL,
.vsync_irq = 0,
},
.dc_irq_map = {
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 7a44897c50fe..29409a65d864 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -23,6 +23,7 @@
/* Layer specific register offsets */
#define MALIDP_LAYER_FORMAT 0x000
+#define LAYER_FORMAT_MASK 0x3f
#define MALIDP_LAYER_CONTROL 0x004
#define LAYER_ENABLE (1 << 0)
#define LAYER_FLOWCFG_MASK 7
@@ -235,8 +236,8 @@ static int malidp_de_plane_check(struct drm_plane *plane,
if (state->rotation & MALIDP_ROTATED_MASK) {
int val;
- val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_h,
- state->crtc_w,
+ val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_w,
+ state->crtc_h,
fb->format->format);
if (val < 0)
return val;
@@ -337,7 +338,9 @@ static void malidp_de_plane_update(struct drm_plane *plane,
dest_w = plane->state->crtc_w;
dest_h = plane->state->crtc_h;
- malidp_hw_write(mp->hwdev, ms->format, mp->layer->base);
+ val = malidp_hw_read(mp->hwdev, mp->layer->base);
+ val = (val & ~LAYER_FORMAT_MASK) | ms->format;
+ malidp_hw_write(mp->hwdev, val, mp->layer->base);
for (i = 0; i < ms->n_planes; i++) {
/* calculate the offset for the layer's plane registers */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7014a96546f4..52f3b91d14fd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2245,9 +2245,6 @@ static inline struct scatterlist *____sg_next(struct scatterlist *sg)
**/
static inline struct scatterlist *__sg_next(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
return sg_is_last(sg) ? NULL : ____sg_next(sg);
}
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 32b1a6cdecfc..d3443125e661 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -197,8 +197,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
priv->io_base = regs;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi");
- if (!res)
- return -EINVAL;
+ if (!res) {
+ ret = -EINVAL;
+ goto free_drm;
+ }
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
if (!regs) {
@@ -215,8 +217,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
- if (!res)
- return -EINVAL;
+ if (!res) {
+ ret = -EINVAL;
+ goto free_drm;
+ }
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
if (!regs) {
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 4a34f311e1ff..6ec65adaba49 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -647,10 +647,10 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
if (bit_adap->getscl == NULL)
adap->quirks = &i2c_bit_quirk_no_clk_stretch;
- /* Bring bus to a known state. Looks like STOP if bus is not free yet */
- setscl(bit_adap, 1);
- udelay(bit_adap->udelay);
- setsda(bit_adap, 1);
+ /*
+ * We tried forcing SCL/SDA to an initial state here. But that caused a
+ * regression, sadly. Check Bugzilla #200045 for details.
+ */
ret = add_adapter(adap);
if (ret < 0)
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 005e6e0330c2..66f85bbf3591 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -279,9 +279,9 @@ static int i2c_gpio_probe(struct platform_device *pdev)
* required for an I2C bus.
*/
if (pdata->scl_is_open_drain)
- gflags = GPIOD_OUT_LOW;
+ gflags = GPIOD_OUT_HIGH;
else
- gflags = GPIOD_OUT_LOW_OPEN_DRAIN;
+ gflags = GPIOD_OUT_HIGH_OPEN_DRAIN;
priv->scl = i2c_gpio_get_desc(dev, "scl", 1, gflags);
if (IS_ERR(priv->scl))
return PTR_ERR(priv->scl);
diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c
index f3f683041e7f..51970bae3c4a 100644
--- a/drivers/i2c/i2c-core-smbus.c
+++ b/drivers/i2c/i2c-core-smbus.c
@@ -465,15 +465,18 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
status = i2c_transfer(adapter, msg, num);
if (status < 0)
- return status;
- if (status != num)
- return -EIO;
+ goto cleanup;
+ if (status != num) {
+ status = -EIO;
+ goto cleanup;
+ }
+ status = 0;
/* Check PEC if last message is a read */
if (i && (msg[num-1].flags & I2C_M_RD)) {
status = i2c_smbus_check_pec(partial_pec, &msg[num-1]);
if (status < 0)
- return status;
+ goto cleanup;
}
if (read_write == I2C_SMBUS_READ)
@@ -499,12 +502,13 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
break;
}
+cleanup:
if (msg[0].flags & I2C_M_DMA_SAFE)
kfree(msg[0].buf);
if (msg[1].flags & I2C_M_DMA_SAFE)
kfree(msg[1].buf);
- return 0;
+ return status;
}
/**
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 98f90aadd141..18c0a1281914 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -588,7 +588,7 @@ static const struct proto_ops data_sock_ops = {
.getname = data_sock_getname,
.sendmsg = mISDN_sock_sendmsg,
.recvmsg = mISDN_sock_recvmsg,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.setsockopt = data_sock_setsockopt,
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index ab13fcec3fca..75df4c9d8b54 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -588,7 +588,7 @@ static const char *raid10_md_layout_to_format(int layout)
}
/* Return md raid10 algorithm for @name */
-static const int raid10_name_to_format(const char *name)
+static int raid10_name_to_format(const char *name)
{
if (!strcasecmp(name, "near"))
return ALGORITHM_RAID10_NEAR;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 938766794c2e..3d0e2c198f06 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -885,9 +885,7 @@ EXPORT_SYMBOL_GPL(dm_table_set_type);
static int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data)
{
- struct request_queue *q = bdev_get_queue(dev->bdev);
-
- return q && blk_queue_dax(q);
+ return bdev_dax_supported(dev->bdev, PAGE_SIZE);
}
static bool dm_table_supports_dax(struct dm_table *t)
@@ -1907,6 +1905,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
if (dm_table_supports_dax(t))
blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+ else
+ blk_queue_flag_clear(QUEUE_FLAG_DAX, q);
+
if (dm_table_supports_dax_write_cache(t))
dax_write_cache(t->md->dax_dev, true);
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 36ef284ad086..72142021b5c9 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -776,7 +776,6 @@ static int __write_changed_details(struct dm_pool_metadata *pmd)
static int __commit_transaction(struct dm_pool_metadata *pmd)
{
int r;
- size_t metadata_len, data_len;
struct thin_disk_superblock *disk_super;
struct dm_block *sblock;
@@ -797,14 +796,6 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
if (r < 0)
return r;
- r = dm_sm_root_size(pmd->metadata_sm, &metadata_len);
- if (r < 0)
- return r;
-
- r = dm_sm_root_size(pmd->data_sm, &data_len);
- if (r < 0)
- return r;
-
r = save_sm_roots(pmd);
if (r < 0)
return r;
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 7945238df1c0..b900723bbd0f 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1386,6 +1386,8 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,
static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
+static void requeue_bios(struct pool *pool);
+
static void check_for_space(struct pool *pool)
{
int r;
@@ -1398,8 +1400,10 @@ static void check_for_space(struct pool *pool)
if (r)
return;
- if (nr_free)
+ if (nr_free) {
set_pool_mode(pool, PM_WRITE);
+ requeue_bios(pool);
+ }
}
/*
@@ -1476,7 +1480,10 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
r = dm_pool_alloc_data_block(pool->pmd, result);
if (r) {
- metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
+ if (r == -ENOSPC)
+ set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
+ else
+ metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
return r;
}
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 5961c7794ef3..07ea6a48aac6 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -259,7 +259,7 @@ static int persistent_memory_claim(struct dm_writecache *wc)
if (da != p) {
long i;
wc->memory_map = NULL;
- pages = kvmalloc(p * sizeof(struct page *), GFP_KERNEL);
+ pages = kvmalloc_array(p, sizeof(struct page *), GFP_KERNEL);
if (!pages) {
r = -ENOMEM;
goto err2;
@@ -859,7 +859,7 @@ static int writecache_alloc_entries(struct dm_writecache *wc)
if (wc->entries)
return 0;
- wc->entries = vmalloc(sizeof(struct wc_entry) * wc->n_blocks);
+ wc->entries = vmalloc(array_size(sizeof(struct wc_entry), wc->n_blocks));
if (!wc->entries)
return -ENOMEM;
for (b = 0; b < wc->n_blocks; b++) {
@@ -1481,9 +1481,9 @@ static void __writecache_writeback_pmem(struct dm_writecache *wc, struct writeba
wb->bio.bi_iter.bi_sector = read_original_sector(wc, e);
wb->page_offset = PAGE_SIZE;
if (max_pages <= WB_LIST_INLINE ||
- unlikely(!(wb->wc_list = kmalloc(max_pages * sizeof(struct wc_entry *),
- GFP_NOIO | __GFP_NORETRY |
- __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
+ unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *),
+ GFP_NOIO | __GFP_NORETRY |
+ __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
wb->wc_list = wb->wc_list_inline;
max_pages = WB_LIST_INLINE;
}
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 3c0e45f4dcf5..a44183ff4be0 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -787,7 +787,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv)
/* Chunk BIO work */
mutex_init(&dmz->chunk_lock);
- INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL);
+ INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOIO);
dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND,
0, dev->name);
if (!dmz->chunk_wq) {
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e65429a29c06..b0dd7027848b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1056,8 +1056,7 @@ static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
if (len < 1)
goto out;
nr_pages = min(len, nr_pages);
- if (ti->type->direct_access)
- ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
+ ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
out:
dm_put_live_table(md, srcu_idx);
@@ -1606,10 +1605,9 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
* the usage of io->orig_bio in dm_remap_zone_report()
* won't be affected by this reassignment.
*/
- struct bio *b = bio_clone_bioset(bio, GFP_NOIO,
- &md->queue->bio_split);
+ struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
+ GFP_NOIO, &md->queue->bio_split);
ci.io->orig_bio = b;
- bio_advance(bio, (bio_sectors(bio) - ci.sector_count) << 9);
bio_chain(b, bio);
ret = generic_make_request(bio);
break;
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a0c655628d6d..1b64ac8c5bc8 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -2526,7 +2526,7 @@ static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
struct ppb_lock {
struct flchip *chip;
- loff_t offset;
+ unsigned long adr;
int locked;
};
@@ -2544,8 +2544,9 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
unsigned long timeo;
int ret;
+ adr += chip->start;
mutex_lock(&chip->mutex);
- ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
+ ret = get_chip(map, chip, adr, FL_LOCKING);
if (ret) {
mutex_unlock(&chip->mutex);
return ret;
@@ -2563,8 +2564,8 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) {
chip->state = FL_LOCKING;
- map_write(map, CMD(0xA0), chip->start + adr);
- map_write(map, CMD(0x00), chip->start + adr);
+ map_write(map, CMD(0xA0), adr);
+ map_write(map, CMD(0x00), adr);
} else if (thunk == DO_XXLOCK_ONEBLOCK_UNLOCK) {
/*
* Unlocking of one specific sector is not supported, so we
@@ -2602,7 +2603,7 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
map_write(map, CMD(0x00), chip->start);
chip->state = FL_READY;
- put_chip(map, chip, adr + chip->start);
+ put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);
return ret;
@@ -2659,9 +2660,9 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
* sectors shall be unlocked, so lets keep their locking
* status at "unlocked" (locked=0) for the final re-locking.
*/
- if ((adr < ofs) || (adr >= (ofs + len))) {
+ if ((offset < ofs) || (offset >= (ofs + len))) {
sect[sectors].chip = &cfi->chips[chipnum];
- sect[sectors].offset = offset;
+ sect[sectors].adr = adr;
sect[sectors].locked = do_ppb_xxlock(
map, &cfi->chips[chipnum], adr, 0,
DO_XXLOCK_ONEBLOCK_GETLOCK);
@@ -2675,6 +2676,8 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
i++;
if (adr >> cfi->chipshift) {
+ if (offset >= (ofs + len))
+ break;
adr = 0;
chipnum++;
@@ -2705,7 +2708,7 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
*/
for (i = 0; i < sectors; i++) {
if (sect[i].locked)
- do_ppb_xxlock(map, sect[i].chip, sect[i].offset, 0,
+ do_ppb_xxlock(map, sect[i].chip, sect[i].adr, 0,
DO_XXLOCK_ONEBLOCK_LOCK);
}
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 3a6f450d1093..53febe8a68c3 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -733,8 +733,8 @@ static struct flash_info dataflash_data[] = {
{ "AT45DB642x", 0x1f2800, 8192, 1056, 11, SUP_POW2PS},
{ "at45db642d", 0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS},
- { "AT45DB641E", 0x1f28000100, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
- { "at45db641e", 0x1f28000100, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
+ { "AT45DB641E", 0x1f28000100ULL, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
+ { "at45db641e", 0x1f28000100ULL, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
};
static struct flash_info *jedec_lookup(struct spi_device *spi,
diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index cfd33e6ca77f..5869e90cc14b 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -123,7 +123,11 @@ static int denali_dt_probe(struct platform_device *pdev)
if (ret)
return ret;
- denali->clk_x_rate = clk_get_rate(dt->clk);
+ /*
+ * Hardcode the clock rate for the backward compatibility.
+ * This works for both SOCFPGA and UniPhier.
+ */
+ denali->clk_x_rate = 200000000;
ret = denali_init(denali);
if (ret)
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index 45786e707b7b..26cef218bb43 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -48,7 +48,7 @@
#define NFC_V1_V2_CONFIG (host->regs + 0x0a)
#define NFC_V1_V2_ECC_STATUS_RESULT (host->regs + 0x0c)
#define NFC_V1_V2_RSLTMAIN_AREA (host->regs + 0x0e)
-#define NFC_V1_V2_RSLTSPARE_AREA (host->regs + 0x10)
+#define NFC_V21_RSLTSPARE_AREA (host->regs + 0x10)
#define NFC_V1_V2_WRPROT (host->regs + 0x12)
#define NFC_V1_UNLOCKSTART_BLKADDR (host->regs + 0x14)
#define NFC_V1_UNLOCKEND_BLKADDR (host->regs + 0x16)
@@ -1274,6 +1274,9 @@ static void preset_v2(struct mtd_info *mtd)
writew(config1, NFC_V1_V2_CONFIG1);
/* preset operation */
+ /* spare area size in 16-bit half-words */
+ writew(mtd->oobsize / 2, NFC_V21_RSLTSPARE_AREA);
+
/* Unlock the internal RAM Buffer */
writew(0x2, NFC_V1_V2_CONFIG);
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 10c4f9919850..b01d15ec4c56 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -440,7 +440,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs)
for (; page < page_end; page++) {
res = chip->ecc.read_oob(mtd, chip, page);
- if (res)
+ if (res < 0)
return res;
bad = chip->oob_poi[chip->badblockpos];
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c
index 7ed1f87e742a..49c546c97c6f 100644
--- a/drivers/mtd/nand/raw/nand_macronix.c
+++ b/drivers/mtd/nand/raw/nand_macronix.c
@@ -17,23 +17,47 @@
#include <linux/mtd/rawnand.h>
+/*
+ * Macronix AC series does not support using SET/GET_FEATURES to change
+ * the timings unlike what is declared in the parameter page. Unflag
+ * this feature to avoid unnecessary downturns.
+ */
+static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
+{
+ unsigned int i;
+ static const char * const broken_get_timings[] = {
+ "MX30LF1G18AC",
+ "MX30LF1G28AC",
+ "MX30LF2G18AC",
+ "MX30LF2G28AC",
+ "MX30LF4G18AC",
+ "MX30LF4G28AC",
+ "MX60LF8G18AC",
+ };
+
+ if (!chip->parameters.supports_set_get_features)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
+ if (!strcmp(broken_get_timings[i], chip->parameters.model))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(broken_get_timings))
+ return;
+
+ bitmap_clear(chip->parameters.get_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+ bitmap_clear(chip->parameters.set_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+}
+
static int macronix_nand_init(struct nand_chip *chip)
{
if (nand_is_slc(chip))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
- /*
- * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change
- * the timings unlike what is declared in the parameter page. Unflag
- * this feature to avoid unnecessary downturns.
- */
- if (chip->parameters.supports_set_get_features &&
- !strcmp("MX30LF2G18AC", chip->parameters.model)) {
- bitmap_clear(chip->parameters.get_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- bitmap_clear(chip->parameters.set_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- }
+ macronix_nand_fix_broken_get_timings(chip);
return 0;
}
diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c
index 0af45b134c0c..5ec4c90a637d 100644
--- a/drivers/mtd/nand/raw/nand_micron.c
+++ b/drivers/mtd/nand/raw/nand_micron.c
@@ -66,7 +66,9 @@ static int micron_nand_onfi_init(struct nand_chip *chip)
if (p->supports_set_get_features) {
set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->set_feature_list);
+ set_bit(ONFI_FEATURE_ON_DIE_ECC, p->set_feature_list);
set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->get_feature_list);
+ set_bit(ONFI_FEATURE_ON_DIE_ECC, p->get_feature_list);
}
return 0;
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index de51e8f70f44..ce61231e96ea 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -1107,7 +1107,7 @@ static const struct proto_ops pppoe_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = pppoe_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.setsockopt = sock_no_setsockopt,
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 68940356cad3..8b1fd7f1a224 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -414,7 +414,8 @@ static int pmem_attach_disk(struct device *dev,
blk_queue_logical_block_size(q, pmem_sector_size(ndns));
blk_queue_max_hw_sectors(q, UINT_MAX);
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+ if (pmem->pfn_flags & PFN_MAP)
+ blk_queue_flag_set(QUEUE_FLAG_DAX, q);
q->queuedata = pmem;
disk = alloc_disk_node(0, nid);
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 9544625c0b7d..518c5b09038c 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -732,8 +732,11 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
blk_cleanup_queue(ctrl->ctrl.admin_q);
nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset);
}
- nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
- sizeof(struct nvme_command), DMA_TO_DEVICE);
+ if (ctrl->async_event_sqe.data) {
+ nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
+ sizeof(struct nvme_command), DMA_TO_DEVICE);
+ ctrl->async_event_sqe.data = NULL;
+ }
nvme_rdma_free_queue(&ctrl->queues[0]);
}
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 535201984b8b..1b2cfe51e8d7 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -28,10 +28,10 @@ obj-$(CONFIG_PCI_PF_STUB) += pci-pf-stub.o
obj-$(CONFIG_PCI_ECAM) += ecam.o
obj-$(CONFIG_XEN_PCIDEV_FRONTEND) += xen-pcifront.o
-obj-y += controller/
-obj-y += switch/
-
# Endpoint library must be initialized before its users
obj-$(CONFIG_PCI_ENDPOINT) += endpoint/
+obj-y += controller/
+obj-y += switch/
+
ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 18fa09b3ac8f..cc9fa02d32a0 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -96,7 +96,6 @@ config PCI_HOST_GENERIC
depends on OF
select PCI_HOST_COMMON
select IRQ_DOMAIN
- select PCI_DOMAINS
help
Say Y here if you want to support a simple generic PCI host
controller, such as the one emulated by kvmtool.
@@ -138,7 +137,6 @@ config PCI_VERSATILE
config PCIE_IPROC
tristate
- select PCI_DOMAINS
help
This enables the iProc PCIe core controller support for Broadcom's
iProc family of SoCs. An appropriate bus interface driver needs
@@ -176,7 +174,6 @@ config PCIE_IPROC_MSI
config PCIE_ALTERA
bool "Altera PCIe controller"
depends on ARM || NIOS2 || COMPILE_TEST
- select PCI_DOMAINS
help
Say Y here if you want to enable PCIe controller support on Altera
FPGA.
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 3979f89b250a..5bd6c1573295 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -7,7 +7,6 @@
* All rights reserved.
*
* Send feedback to <kristen.c.accardi@intel.com>
- *
*/
#include <linux/module.h>
@@ -87,8 +86,17 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev)
return 0;
/* If _OSC exists, we should not evaluate OSHP */
+
+ /*
+ * If there's no ACPI host bridge (i.e., ACPI support is compiled
+ * into the kernel but the hardware platform doesn't support ACPI),
+ * there's nothing to do here.
+ */
host = pci_find_host_bridge(pdev->bus);
root = acpi_pci_find_root(ACPI_HANDLE(&host->dev));
+ if (!root)
+ return 0;
+
if (root->osc_support_set)
goto no_control;
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 6bdb1dad805f..0e31f1392a53 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1463,7 +1463,7 @@ static char *xgene_pmu_dev_name(struct device *dev, u32 type, int id)
case PMU_TYPE_IOB:
return devm_kasprintf(dev, GFP_KERNEL, "iob%d", id);
case PMU_TYPE_IOB_SLOW:
- return devm_kasprintf(dev, GFP_KERNEL, "iob-slow%d", id);
+ return devm_kasprintf(dev, GFP_KERNEL, "iob_slow%d", id);
case PMU_TYPE_MCB:
return devm_kasprintf(dev, GFP_KERNEL, "mcb%d", id);
case PMU_TYPE_MC:
diff --git a/fs/aio.c b/fs/aio.c
index e1d20124ec0e..210df9da1283 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -5,7 +5,6 @@
* Implements an efficient asynchronous io interface.
*
* Copyright 2000, 2001, 2002 Red Hat, Inc. All Rights Reserved.
- * Copyright 2018 Christoph Hellwig.
*
* See ../COPYING for licensing terms.
*/
@@ -165,22 +164,10 @@ struct fsync_iocb {
bool datasync;
};
-struct poll_iocb {
- struct file *file;
- __poll_t events;
- struct wait_queue_head *head;
-
- union {
- struct wait_queue_entry wait;
- struct work_struct work;
- };
-};
-
struct aio_kiocb {
union {
struct kiocb rw;
struct fsync_iocb fsync;
- struct poll_iocb poll;
};
struct kioctx *ki_ctx;
@@ -1590,6 +1577,7 @@ static int aio_fsync(struct fsync_iocb *req, struct iocb *iocb, bool datasync)
if (unlikely(iocb->aio_buf || iocb->aio_offset || iocb->aio_nbytes ||
iocb->aio_rw_flags))
return -EINVAL;
+
req->file = fget(iocb->aio_fildes);
if (unlikely(!req->file))
return -EBADF;
@@ -1604,137 +1592,6 @@ static int aio_fsync(struct fsync_iocb *req, struct iocb *iocb, bool datasync)
return 0;
}
-/* need to use list_del_init so we can check if item was present */
-static inline bool __aio_poll_remove(struct poll_iocb *req)
-{
- if (list_empty(&req->wait.entry))
- return false;
- list_del_init(&req->wait.entry);
- return true;
-}
-
-static inline void __aio_poll_complete(struct aio_kiocb *iocb, __poll_t mask)
-{
- fput(iocb->poll.file);
- aio_complete(iocb, mangle_poll(mask), 0);
-}
-
-static void aio_poll_work(struct work_struct *work)
-{
- struct aio_kiocb *iocb = container_of(work, struct aio_kiocb, poll.work);
-
- if (!list_empty_careful(&iocb->ki_list))
- aio_remove_iocb(iocb);
- __aio_poll_complete(iocb, iocb->poll.events);
-}
-
-static int aio_poll_cancel(struct kiocb *iocb)
-{
- struct aio_kiocb *aiocb = container_of(iocb, struct aio_kiocb, rw);
- struct poll_iocb *req = &aiocb->poll;
- struct wait_queue_head *head = req->head;
- bool found = false;
-
- spin_lock(&head->lock);
- found = __aio_poll_remove(req);
- spin_unlock(&head->lock);
-
- if (found) {
- req->events = 0;
- INIT_WORK(&req->work, aio_poll_work);
- schedule_work(&req->work);
- }
- return 0;
-}
-
-static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
- void *key)
-{
- struct poll_iocb *req = container_of(wait, struct poll_iocb, wait);
- struct aio_kiocb *iocb = container_of(req, struct aio_kiocb, poll);
- struct file *file = req->file;
- __poll_t mask = key_to_poll(key);
-
- assert_spin_locked(&req->head->lock);
-
- /* for instances that support it check for an event match first: */
- if (mask && !(mask & req->events))
- return 0;
-
- mask = file->f_op->poll_mask(file, req->events) & req->events;
- if (!mask)
- return 0;
-
- __aio_poll_remove(req);
-
- /*
- * Try completing without a context switch if we can acquire ctx_lock
- * without spinning. Otherwise we need to defer to a workqueue to
- * avoid a deadlock due to the lock order.
- */
- if (spin_trylock(&iocb->ki_ctx->ctx_lock)) {
- list_del_init(&iocb->ki_list);
- spin_unlock(&iocb->ki_ctx->ctx_lock);
-
- __aio_poll_complete(iocb, mask);
- } else {
- req->events = mask;
- INIT_WORK(&req->work, aio_poll_work);
- schedule_work(&req->work);
- }
-
- return 1;
-}
-
-static ssize_t aio_poll(struct aio_kiocb *aiocb, struct iocb *iocb)
-{
- struct kioctx *ctx = aiocb->ki_ctx;
- struct poll_iocb *req = &aiocb->poll;
- __poll_t mask;
-
- /* reject any unknown events outside the normal event mask. */
- if ((u16)iocb->aio_buf != iocb->aio_buf)
- return -EINVAL;
- /* reject fields that are not defined for poll */
- if (iocb->aio_offset || iocb->aio_nbytes || iocb->aio_rw_flags)
- return -EINVAL;
-
- req->events = demangle_poll(iocb->aio_buf) | EPOLLERR | EPOLLHUP;
- req->file = fget(iocb->aio_fildes);
- if (unlikely(!req->file))
- return -EBADF;
- if (!file_has_poll_mask(req->file))
- goto out_fail;
-
- req->head = req->file->f_op->get_poll_head(req->file, req->events);
- if (!req->head)
- goto out_fail;
- if (IS_ERR(req->head)) {
- mask = EPOLLERR;
- goto done;
- }
-
- init_waitqueue_func_entry(&req->wait, aio_poll_wake);
- aiocb->ki_cancel = aio_poll_cancel;
-
- spin_lock_irq(&ctx->ctx_lock);
- spin_lock(&req->head->lock);
- mask = req->file->f_op->poll_mask(req->file, req->events) & req->events;
- if (!mask) {
- __add_wait_queue(req->head, &req->wait);
- list_add_tail(&aiocb->ki_list, &ctx->active_reqs);
- }
- spin_unlock(&req->head->lock);
- spin_unlock_irq(&ctx->ctx_lock);
-done:
- if (mask)
- __aio_poll_complete(aiocb, mask);
- return 0;
-out_fail:
- fput(req->file);
- return -EINVAL; /* same as no support for IOCB_CMD_POLL */
-}
-
static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
bool compat)
{
@@ -1808,9 +1665,6 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
case IOCB_CMD_FDSYNC:
ret = aio_fsync(&req->fsync, &iocb, true);
break;
- case IOCB_CMD_POLL:
- ret = aio_poll(req, &iocb);
- break;
default:
pr_debug("invalid aio operation %d\n", iocb.aio_lio_opcode);
ret = -EINVAL;
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index ee764ac352ab..a866be999216 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1135,6 +1135,7 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in)
if (IS_ERR(realdn)) {
pr_err("splice_dentry error %ld %p inode %p ino %llx.%llx\n",
PTR_ERR(realdn), dn, in, ceph_vinop(in));
+ dput(dn);
dn = realdn; /* note realdn contains the error */
goto out;
} else if (realdn) {
diff --git a/fs/eventfd.c b/fs/eventfd.c
index ceb1031f1cac..08d3bd602f73 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -101,20 +101,14 @@ static int eventfd_release(struct inode *inode, struct file *file)
return 0;
}
-static struct wait_queue_head *
-eventfd_get_poll_head(struct file *file, __poll_t events)
-{
- struct eventfd_ctx *ctx = file->private_data;
-
- return &ctx->wqh;
-}
-
-static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask)
+static __poll_t eventfd_poll(struct file *file, poll_table *wait)
{
struct eventfd_ctx *ctx = file->private_data;
__poll_t events = 0;
u64 count;
+ poll_wait(file, &ctx->wqh, wait);
+
/*
* All writes to ctx->count occur within ctx->wqh.lock. This read
* can be done outside ctx->wqh.lock because we know that poll_wait
@@ -156,11 +150,11 @@ static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask)
count = READ_ONCE(ctx->count);
if (count > 0)
- events |= (EPOLLIN & eventmask);
+ events |= EPOLLIN;
if (count == ULLONG_MAX)
events |= EPOLLERR;
if (ULLONG_MAX - 1 > count)
- events |= (EPOLLOUT & eventmask);
+ events |= EPOLLOUT;
return events;
}
@@ -311,8 +305,7 @@ static const struct file_operations eventfd_fops = {
.show_fdinfo = eventfd_show_fdinfo,
#endif
.release = eventfd_release,
- .get_poll_head = eventfd_get_poll_head,
- .poll_mask = eventfd_poll_mask,
+ .poll = eventfd_poll,
.read = eventfd_read,
.write = eventfd_write,
.llseek = noop_llseek,
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index ea4436f409fb..67db22fe99c5 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -922,18 +922,14 @@ static __poll_t ep_read_events_proc(struct eventpoll *ep, struct list_head *head
return 0;
}
-static struct wait_queue_head *ep_eventpoll_get_poll_head(struct file *file,
- __poll_t eventmask)
-{
- struct eventpoll *ep = file->private_data;
- return &ep->poll_wait;
-}
-
-static __poll_t ep_eventpoll_poll_mask(struct file *file, __poll_t eventmask)
+static __poll_t ep_eventpoll_poll(struct file *file, poll_table *wait)
{
struct eventpoll *ep = file->private_data;
int depth = 0;
+ /* Insert inside our poll wait queue */
+ poll_wait(file, &ep->poll_wait, wait);
+
/*
* Proceed to find out if wanted events are really available inside
* the ready list.
@@ -972,8 +968,7 @@ static const struct file_operations eventpoll_fops = {
.show_fdinfo = ep_show_fdinfo,
#endif
.release = ep_eventpoll_release,
- .get_poll_head = ep_eventpoll_get_poll_head,
- .poll_mask = ep_eventpoll_poll_mask,
+ .poll = ep_eventpoll_poll,
.llseek = noop_llseek,
};
diff --git a/fs/pipe.c b/fs/pipe.c
index bb0840e234f3..39d6f431da83 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -509,22 +509,19 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
}
-static struct wait_queue_head *
-pipe_get_poll_head(struct file *filp, __poll_t events)
-{
- struct pipe_inode_info *pipe = filp->private_data;
-
- return &pipe->wait;
-}
-
/* No kernel lock held - fine */
-static __poll_t pipe_poll_mask(struct file *filp, __poll_t events)
+static __poll_t
+pipe_poll(struct file *filp, poll_table *wait)
{
+ __poll_t mask;
struct pipe_inode_info *pipe = filp->private_data;
- int nrbufs = pipe->nrbufs;
- __poll_t mask = 0;
+ int nrbufs;
+
+ poll_wait(filp, &pipe->wait, wait);
/* Reading only -- no need for acquiring the semaphore. */
+ nrbufs = pipe->nrbufs;
+ mask = 0;
if (filp->f_mode & FMODE_READ) {
mask = (nrbufs > 0) ? EPOLLIN | EPOLLRDNORM : 0;
if (!pipe->writers && filp->f_version != pipe->w_counter)
@@ -1023,8 +1020,7 @@ const struct file_operations pipefifo_fops = {
.llseek = no_llseek,
.read_iter = pipe_read,
.write_iter = pipe_write,
- .get_poll_head = pipe_get_poll_head,
- .poll_mask = pipe_poll_mask,
+ .poll = pipe_poll,
.unlocked_ioctl = pipe_ioctl,
.release = pipe_release,
.fasync = pipe_fasync,
diff --git a/fs/select.c b/fs/select.c
index 317891ff8165..4a6b6e4b21cb 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -34,29 +34,6 @@
#include <linux/uaccess.h>
-__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
-{
- if (file->f_op->poll) {
- return file->f_op->poll(file, pt);
- } else if (file_has_poll_mask(file)) {
- unsigned int events = poll_requested_events(pt);
- struct wait_queue_head *head;
-
- if (pt && pt->_qproc) {
- head = file->f_op->get_poll_head(file, events);
- if (!head)
- return DEFAULT_POLLMASK;
- if (IS_ERR(head))
- return EPOLLERR;
- pt->_qproc(file, head, pt);
- }
-
- return file->f_op->poll_mask(file, events);
- } else {
- return DEFAULT_POLLMASK;
- }
-}
-EXPORT_SYMBOL_GPL(vfs_poll);
/*
* Estimate expected accuracy in ns from a timeval.
diff --git a/fs/timerfd.c b/fs/timerfd.c
index d84a2bee4f82..cdad49da3ff7 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -226,20 +226,21 @@ static int timerfd_release(struct inode *inode, struct file *file)
kfree_rcu(ctx, rcu);
return 0;
}
-
-static struct wait_queue_head *timerfd_get_poll_head(struct file *file,
- __poll_t eventmask)
+
+static __poll_t timerfd_poll(struct file *file, poll_table *wait)
{
struct timerfd_ctx *ctx = file->private_data;
+ __poll_t events = 0;
+ unsigned long flags;
- return &ctx->wqh;
-}
+ poll_wait(file, &ctx->wqh, wait);
-static __poll_t timerfd_poll_mask(struct file *file, __poll_t eventmask)
-{
- struct timerfd_ctx *ctx = file->private_data;
+ spin_lock_irqsave(&ctx->wqh.lock, flags);
+ if (ctx->ticks)
+ events |= EPOLLIN;
+ spin_unlock_irqrestore(&ctx->wqh.lock, flags);
- return ctx->ticks ? EPOLLIN : 0;
+ return events;
}
static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
@@ -363,8 +364,7 @@ static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg
static const struct file_operations timerfd_fops = {
.release = timerfd_release,
- .get_poll_head = timerfd_get_poll_head,
- .poll_mask = timerfd_poll_mask,
+ .poll = timerfd_poll,
.read = timerfd_read,
.llseek = noop_llseek,
.show_fdinfo = timerfd_show,
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index cc414db9da0a..482461d8931d 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -245,7 +245,8 @@ ssize_t af_alg_sendpage(struct socket *sock, struct page *page,
int offset, size_t size, int flags);
void af_alg_free_resources(struct af_alg_async_req *areq);
void af_alg_async_cb(struct crypto_async_request *_req, int err);
-__poll_t af_alg_poll_mask(struct socket *sock, __poll_t events);
+__poll_t af_alg_poll(struct file *file, struct socket *sock,
+ poll_table *wait);
struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk,
unsigned int areqlen);
int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 9154570edf29..79226ca8f80f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1119,8 +1119,8 @@ static inline unsigned int blk_max_size_offset(struct request_queue *q,
if (!q->limits.chunk_sectors)
return q->limits.max_sectors;
- return q->limits.chunk_sectors -
- (offset & (q->limits.chunk_sectors - 1));
+ return min(q->limits.max_sectors, (unsigned int)(q->limits.chunk_sectors -
+ (offset & (q->limits.chunk_sectors - 1))));
}
static inline unsigned int blk_rq_get_max_sectors(struct request *rq,
diff --git a/include/linux/compat.h b/include/linux/compat.h
index b1a5562b3215..c68acc47da57 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -72,6 +72,9 @@
*/
#ifndef COMPAT_SYSCALL_DEFINEx
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
+ __diag_push(); \
+ __diag_ignore(GCC, 8, "-Wattribute-alias", \
+ "Type aliasing is used to sanitize syscall arguments");\
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_compat_sys##name)))); \
@@ -80,8 +83,11 @@
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
- return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+ long ret = __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+ __MAP(x,__SC_TEST,__VA_ARGS__); \
+ return ret; \
} \
+ __diag_pop(); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* COMPAT_SYSCALL_DEFINEx */
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index f1a7492a5cc8..fd282c7d3e5e 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -347,3 +347,28 @@
#if GCC_VERSION >= 50100
#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
#endif
+
+/*
+ * Turn individual warnings and errors on and off locally, depending
+ * on version.
+ */
+#define __diag_GCC(version, severity, s) \
+ __diag_GCC_ ## version(__diag_GCC_ ## severity s)
+
+/* Severity used in pragma directives */
+#define __diag_GCC_ignore ignored
+#define __diag_GCC_warn warning
+#define __diag_GCC_error error
+
+/* Compilers before gcc-4.6 do not understand "#pragma GCC diagnostic push" */
+#if GCC_VERSION >= 40600
+#define __diag_str1(s) #s
+#define __diag_str(s) __diag_str1(s)
+#define __diag(s) _Pragma(__diag_str(GCC diagnostic s))
+#endif
+
+#if GCC_VERSION >= 80000
+#define __diag_GCC_8(s) __diag(s)
+#else
+#define __diag_GCC_8(s)
+#endif
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 6b79a9bba9a7..a8ba6b04152c 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -271,4 +271,22 @@ struct ftrace_likely_data {
# define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
#endif
+#ifndef __diag
+#define __diag(string)
+#endif
+
+#ifndef __diag_GCC
+#define __diag_GCC(version, severity, string)
+#endif
+
+#define __diag_push() __diag(push)
+#define __diag_pop() __diag(pop)
+
+#define __diag_ignore(compiler, version, option, comment) \
+ __diag_ ## compiler(version, ignore, option)
+#define __diag_warn(compiler, version, option, comment) \
+ __diag_ ## compiler(version, warn, option)
+#define __diag_error(compiler, version, option, comment) \
+ __diag_ ## compiler(version, error, option)
+
#endif /* __LINUX_COMPILER_TYPES_H */
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 3855e3800f48..deb0f663252f 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -135,7 +135,7 @@ void dax_flush(struct dax_device *dax_dev, void *addr, size_t size);
ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
const struct iomap_ops *ops);
-int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
+vm_fault_t dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
pfn_t *pfnp, int *errp, const struct iomap_ops *ops);
vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf,
enum page_entry_size pe_size, pfn_t pfn);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 5c91108846db..d78d146a98da 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1720,8 +1720,6 @@ struct file_operations {
int (*iterate) (struct file *, struct dir_context *);
int (*iterate_shared) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
- struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
- __poll_t (*poll_mask) (struct file *, __poll_t);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
diff --git a/include/linux/net.h b/include/linux/net.h
index 08b6eb964dd6..6554d3ba4396 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -147,7 +147,6 @@ struct proto_ops {
int (*getname) (struct socket *sock,
struct sockaddr *addr,
int peer);
- __poll_t (*poll_mask) (struct socket *sock, __poll_t events);
__poll_t (*poll) (struct file *file, struct socket *sock,
struct poll_table_struct *wait);
int (*ioctl) (struct socket *sock, unsigned int cmd,
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 9206a4fef9ac..cb8d84090cfb 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -234,7 +234,7 @@ struct generic_pm_domain *of_genpd_remove_last(struct device_node *np);
int of_genpd_parse_idle_states(struct device_node *dn,
struct genpd_power_state **states, int *n);
unsigned int of_genpd_opp_to_performance_state(struct device *dev,
- struct device_node *opp_node);
+ struct device_node *np);
int genpd_dev_pm_attach(struct device *dev);
struct device *genpd_dev_pm_attach_by_id(struct device *dev,
@@ -274,9 +274,9 @@ static inline int of_genpd_parse_idle_states(struct device_node *dn,
static inline unsigned int
of_genpd_opp_to_performance_state(struct device *dev,
- struct device_node *opp_node)
+ struct device_node *np)
{
- return -ENODEV;
+ return 0;
}
static inline int genpd_dev_pm_attach(struct device *dev)
diff --git a/include/linux/poll.h b/include/linux/poll.h
index fdf86b4cbc71..7e0fdcf905d2 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -74,18 +74,18 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc)
pt->_key = ~(__poll_t)0; /* all events enabled */
}
-static inline bool file_has_poll_mask(struct file *file)
+static inline bool file_can_poll(struct file *file)
{
- return file->f_op->get_poll_head && file->f_op->poll_mask;
+ return file->f_op->poll;
}
-static inline bool file_can_poll(struct file *file)
+static inline __poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
{
- return file->f_op->poll || file_has_poll_mask(file);
+ if (unlikely(!file->f_op->poll))
+ return DEFAULT_POLLMASK;
+ return file->f_op->poll(file, pt);
}
-__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt);
-
struct poll_table_entry {
struct file *filp;
__poll_t key;
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 51f52020ad5f..093aa57120b0 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -9,9 +9,6 @@
#include <asm/io.h>
struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
-#endif
unsigned long page_link;
unsigned int offset;
unsigned int length;
@@ -64,7 +61,6 @@ struct sg_table {
*
*/
-#define SG_MAGIC 0x87654321
#define SG_CHAIN 0x01UL
#define SG_END 0x02UL
@@ -98,7 +94,6 @@ static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
*/
BUG_ON((unsigned long) page & (SG_CHAIN | SG_END));
#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
BUG_ON(sg_is_chain(sg));
#endif
sg->page_link = page_link | (unsigned long) page;
@@ -129,7 +124,6 @@ static inline void sg_set_page(struct scatterlist *sg, struct page *page,
static inline struct page *sg_page(struct scatterlist *sg)
{
#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
BUG_ON(sg_is_chain(sg));
#endif
return (struct page *)((sg)->page_link & ~(SG_CHAIN | SG_END));
@@ -195,9 +189,6 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
**/
static inline void sg_mark_end(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
/*
* Set termination bit, clear potential chain bit
*/
@@ -215,9 +206,6 @@ static inline void sg_mark_end(struct scatterlist *sg)
**/
static inline void sg_unmark_end(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
sg->page_link &= ~SG_END;
}
@@ -260,12 +248,6 @@ static inline void *sg_virt(struct scatterlist *sg)
static inline void sg_init_marker(struct scatterlist *sgl,
unsigned int nents)
{
-#ifdef CONFIG_DEBUG_SG
- unsigned int i;
-
- for (i = 0; i < nents; i++)
- sgl[i].sg_magic = SG_MAGIC;
-#endif
sg_mark_end(&sgl[nents - 1]);
}
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c86885954994..164cdedf6012 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3252,7 +3252,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags,
int *peeked, int *off, int *err);
struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock,
int *err);
-__poll_t datagram_poll_mask(struct socket *sock, __poll_t events);
+__poll_t datagram_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait);
int skb_copy_datagram_iter(const struct sk_buff *from, int offset,
struct iov_iter *to, int size);
static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset,
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 09fa2c6f0e68..3a1a1dbc6f49 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -155,8 +155,12 @@ struct kmem_cache {
#ifdef CONFIG_SYSFS
#define SLAB_SUPPORTS_SYSFS
+void sysfs_slab_unlink(struct kmem_cache *);
void sysfs_slab_release(struct kmem_cache *);
#else
+static inline void sysfs_slab_unlink(struct kmem_cache *s)
+{
+}
static inline void sysfs_slab_release(struct kmem_cache *s)
{
}
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 73810808cdf2..a368a68cb667 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -231,6 +231,9 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
*/
#ifndef __SYSCALL_DEFINEx
#define __SYSCALL_DEFINEx(x, name, ...) \
+ __diag_push(); \
+ __diag_ignore(GCC, 8, "-Wattribute-alias", \
+ "Type aliasing is used to sanitize syscall arguments");\
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_sys##name)))); \
ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
@@ -243,6 +246,7 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
+ __diag_pop(); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* __SYSCALL_DEFINEx */
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 53ce8176c313..ec9d6bc65855 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -271,7 +271,7 @@ int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
int flags);
int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
size_t len, int flags);
-__poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events);
+__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
int bt_sock_wait_ready(struct sock *sk, unsigned long flags);
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index b0eaeb02d46d..f4c21b5a1242 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -153,6 +153,8 @@ struct iucv_sock_list {
atomic_t autobind_name;
};
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
+ poll_table *wait);
void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 30b3e2fe240a..8c2caa370e0f 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -109,7 +109,8 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
int sctp_inet_listen(struct socket *sock, int backlog);
void sctp_write_space(struct sock *sk);
void sctp_data_ready(struct sock *sk);
-__poll_t sctp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t sctp_poll(struct file *file, struct socket *sock,
+ poll_table *wait);
void sctp_sock_rfree(struct sk_buff *skb);
void sctp_copy_sock(struct sock *newsk, struct sock *sk,
struct sctp_association *asoc);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0448e7c5d2b4..800582b5dd54 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -388,7 +388,8 @@ bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst);
void tcp_close(struct sock *sk, long timeout);
void tcp_init_sock(struct sock *sk);
void tcp_init_transfer(struct sock *sk, int bpf_op);
-__poll_t tcp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t tcp_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait);
int tcp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
int tcp_setsockopt(struct sock *sk, int level, int optname,
diff --git a/include/net/tls.h b/include/net/tls.h
index 7f84ea3e217c..70c273777fe9 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -109,7 +109,8 @@ struct tls_sw_context_rx {
struct strparser strp;
void (*saved_data_ready)(struct sock *sk);
- __poll_t (*sk_poll_mask)(struct socket *sock, __poll_t events);
+ unsigned int (*sk_poll)(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait);
struct sk_buff *recv_pkt;
u8 control;
bool decrypted;
@@ -224,7 +225,8 @@ void tls_sw_free_resources_tx(struct sock *sk);
void tls_sw_free_resources_rx(struct sock *sk);
int tls_sw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
int nonblock, int flags, int *addr_len);
-__poll_t tls_sw_poll_mask(struct socket *sock, __poll_t events);
+unsigned int tls_sw_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait);
ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos,
struct pipe_inode_info *pipe,
size_t len, unsigned int flags);
diff --git a/include/net/udp.h b/include/net/udp.h
index b1ea8b0f5e6a..81afdacd4fff 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -285,7 +285,7 @@ int udp_init_sock(struct sock *sk);
int udp_pre_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
int __udp_disconnect(struct sock *sk, int flags);
int udp_disconnect(struct sock *sk, int flags);
-__poll_t udp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait);
struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
netdev_features_t features,
bool is_ipv6);
diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h
index d00221345c19..3c5038b587ba 100644
--- a/include/uapi/linux/aio_abi.h
+++ b/include/uapi/linux/aio_abi.h
@@ -39,8 +39,10 @@ enum {
IOCB_CMD_PWRITE = 1,
IOCB_CMD_FSYNC = 2,
IOCB_CMD_FDSYNC = 3,
- /* 4 was the experimental IOCB_CMD_PREADX */
- IOCB_CMD_POLL = 5,
+ /* These two are experimental.
+ * IOCB_CMD_PREADX = 4,
+ * IOCB_CMD_POLL = 5,
+ */
IOCB_CMD_NOOP = 6,
IOCB_CMD_PREADV = 7,
IOCB_CMD_PWRITEV = 8,
diff --git a/init/Kconfig b/init/Kconfig
index fde3d09e8b27..041f3a022122 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1051,10 +1051,9 @@ config LD_DEAD_CODE_DATA_ELIMINATION
depends on HAVE_LD_DEAD_CODE_DATA_ELIMINATION
depends on EXPERT
help
- Select this if the architecture wants to do dead code and
- data elimination with the linker by compiling with
- -ffunction-sections -fdata-sections, and linking with
- --gc-sections.
+ Enable this if you want to do dead code and data elimination with
+ the linker by compiling with -ffunction-sections -fdata-sections,
+ and linking with --gc-sections.
This can reduce on disk and in-memory size of the kernel
code and static data, particularly for small configs and
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 80cca2b30c4f..8f0434a9951a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6482,7 +6482,7 @@ void perf_prepare_sample(struct perf_event_header *header,
data->phys_addr = perf_virt_to_phys(data->addr);
}
-static void __always_inline
+static __always_inline void
__perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs,
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 3d35d062970d..c253c1b46c6b 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -6,6 +6,7 @@ if HAVE_ARCH_KASAN
config KASAN
bool "KASan: runtime memory debugger"
depends on SLUB || (SLAB && !DEBUG_SLAB)
+ select SLUB_DEBUG if SLUB
select CONSTRUCTORS
select STACKDEPOT
help
diff --git a/lib/percpu_ida.c b/lib/percpu_ida.c
index 9bbd9c5d375a..beb14839b41a 100644
--- a/lib/percpu_ida.c
+++ b/lib/percpu_ida.c
@@ -141,7 +141,7 @@ int percpu_ida_alloc(struct percpu_ida *pool, int state)
spin_lock_irqsave(&tags->lock, flags);
/* Fastpath */
- if (likely(tags->nr_free >= 0)) {
+ if (likely(tags->nr_free)) {
tag = tags->freelist[--tags->nr_free];
spin_unlock_irqrestore(&tags->lock, flags);
return tag;
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 1642fd507a96..7c6096a71704 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -24,9 +24,6 @@
**/
struct scatterlist *sg_next(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
if (sg_is_last(sg))
return NULL;
@@ -111,10 +108,7 @@ struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents)
for_each_sg(sgl, sg, nents, i)
ret = sg;
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sgl[0].sg_magic != SG_MAGIC);
BUG_ON(!sg_is_last(ret));
-#endif
return ret;
}
EXPORT_SYMBOL(sg_last);
diff --git a/lib/test_printf.c b/lib/test_printf.c
index b2aa8f514844..cea592f402ed 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -260,13 +260,6 @@ plain(void)
{
int err;
- /*
- * Make sure crng is ready. Otherwise we get "(ptrval)" instead
- * of a hashed address when printing '%p' in plain_hash() and
- * plain_format().
- */
- wait_for_random_bytes();
-
err = plain_hash();
if (err) {
pr_warn("plain 'p' does not appear to be hashed\n");
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 890b1f04a03a..2296caf87bfb 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -567,10 +567,14 @@ static int shutdown_cache(struct kmem_cache *s)
list_del(&s->list);
if (s->flags & SLAB_TYPESAFE_BY_RCU) {
+#ifdef SLAB_SUPPORTS_SYSFS
+ sysfs_slab_unlink(s);
+#endif
list_add_tail(&s->list, &slab_caches_to_rcu_destroy);
schedule_work(&slab_caches_to_rcu_destroy_work);
} else {
#ifdef SLAB_SUPPORTS_SYSFS
+ sysfs_slab_unlink(s);
sysfs_slab_release(s);
#else
slab_kmem_cache_release(s);
diff --git a/mm/slub.c b/mm/slub.c
index a3b8467c14af..51258eff4178 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5667,7 +5667,6 @@ static void sysfs_slab_remove_workfn(struct work_struct *work)
kset_unregister(s->memcg_kset);
#endif
kobject_uevent(&s->kobj, KOBJ_REMOVE);
- kobject_del(&s->kobj);
out:
kobject_put(&s->kobj);
}
@@ -5752,6 +5751,12 @@ static void sysfs_slab_remove(struct kmem_cache *s)
schedule_work(&s->kobj_remove_work);
}
+void sysfs_slab_unlink(struct kmem_cache *s)
+{
+ if (slab_state >= FULL)
+ kobject_del(&s->kobj);
+}
+
void sysfs_slab_release(struct kmem_cache *s)
{
if (slab_state >= FULL)
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 75eda9c2b260..8ba0870ecddd 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1796,11 +1796,9 @@ static void vmstat_update(struct work_struct *w)
* to occur in the future. Keep on running the
* update worker thread.
*/
- preempt_disable();
queue_delayed_work_on(smp_processor_id(), mm_percpu_wq,
this_cpu_ptr(&vmstat_work),
round_jiffies_relative(sysctl_stat_interval));
- preempt_enable();
}
}
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 55fdba05d7d9..9b6bc5abe946 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1869,7 +1869,7 @@ static const struct proto_ops atalk_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = atalk_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = atalk_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = atalk_compat_ioctl,
diff --git a/net/atm/common.c b/net/atm/common.c
index ff5748b2190f..a7a68e509628 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -647,11 +647,16 @@ out:
return error;
}
-__poll_t vcc_poll_mask(struct socket *sock, __poll_t events)
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
- struct atm_vcc *vcc = ATM_SD(sock);
- __poll_t mask = 0;
+ struct atm_vcc *vcc;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
+
+ vcc = ATM_SD(sock);
/* exceptional events */
if (sk->sk_err)
diff --git a/net/atm/common.h b/net/atm/common.h
index 526796ad230f..5850649068bb 100644
--- a/net/atm/common.h
+++ b/net/atm/common.h
@@ -17,7 +17,7 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci);
int vcc_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int flags);
int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len);
-__poll_t vcc_poll_mask(struct socket *sock, __poll_t events);
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait);
int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int vcc_setsockopt(struct socket *sock, int level, int optname,
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index 9f75092fe778..2cb10af16afc 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -113,7 +113,7 @@ static const struct proto_ops pvc_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = pvc_getname,
- .poll_mask = vcc_poll_mask,
+ .poll = vcc_poll,
.ioctl = vcc_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = vcc_compat_ioctl,
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 53f4ad7087b1..2f91b766ac42 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -636,7 +636,7 @@ static const struct proto_ops svc_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = svc_accept,
.getname = svc_getname,
- .poll_mask = vcc_poll_mask,
+ .poll = vcc_poll,
.ioctl = svc_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = svc_compat_ioctl,
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index d1d2442ce573..c603d33d5410 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1941,7 +1941,7 @@ static const struct proto_ops ax25_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = ax25_accept,
.getname = ax25_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = ax25_ioctl,
.listen = ax25_listen,
.shutdown = ax25_shutdown,
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 510ab4f55df5..3264e1873219 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -437,13 +437,16 @@ static inline __poll_t bt_accept_poll(struct sock *parent)
return 0;
}
-__poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events)
+__poll_t bt_sock_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
__poll_t mask = 0;
BT_DBG("sock %p, sk %p", sock, sk);
+ poll_wait(file, sk_sleep(sk), wait);
+
if (sk->sk_state == BT_LISTEN)
return bt_accept_poll(sk);
@@ -475,7 +478,7 @@ __poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-EXPORT_SYMBOL(bt_sock_poll_mask);
+EXPORT_SYMBOL(bt_sock_poll);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index d6c099861538..1506e1632394 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1975,7 +1975,7 @@ static const struct proto_ops hci_sock_ops = {
.sendmsg = hci_sock_sendmsg,
.recvmsg = hci_sock_recvmsg,
.ioctl = hci_sock_ioctl,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.setsockopt = hci_sock_setsockopt,
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 742a190034e6..686bdc6b35b0 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1653,7 +1653,7 @@ static const struct proto_ops l2cap_sock_ops = {
.getname = l2cap_sock_getname,
.sendmsg = l2cap_sock_sendmsg,
.recvmsg = l2cap_sock_recvmsg,
- .poll_mask = bt_sock_poll_mask,
+ .poll = bt_sock_poll,
.ioctl = bt_sock_ioctl,
.mmap = sock_no_mmap,
.socketpair = sock_no_socketpair,
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 1cf57622473a..d606e9212291 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1049,7 +1049,7 @@ static const struct proto_ops rfcomm_sock_ops = {
.setsockopt = rfcomm_sock_setsockopt,
.getsockopt = rfcomm_sock_getsockopt,
.ioctl = rfcomm_sock_ioctl,
- .poll_mask = bt_sock_poll_mask,
+ .poll = bt_sock_poll,
.socketpair = sock_no_socketpair,
.mmap = sock_no_mmap
};
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index d60dbc61d170..413b8ee49fec 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -1197,7 +1197,7 @@ static const struct proto_ops sco_sock_ops = {
.getname = sco_sock_getname,
.sendmsg = sco_sock_sendmsg,
.recvmsg = sco_sock_recvmsg,
- .poll_mask = bt_sock_poll_mask,
+ .poll = bt_sock_poll,
.ioctl = bt_sock_ioctl,
.mmap = sock_no_mmap,
.socketpair = sock_no_socketpair,
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index c7991867d622..a6fb1b3bcad9 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -934,11 +934,15 @@ static int caif_release(struct socket *sock)
}
/* Copied from af_unix.c:unix_poll(), added CAIF tx_flow handling */
-static __poll_t caif_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t caif_poll(struct file *file,
+ struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
+ __poll_t mask;
struct caifsock *cf_sk = container_of(sk, struct caifsock, sk);
- __poll_t mask = 0;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
/* exceptional events? */
if (sk->sk_err)
@@ -972,7 +976,7 @@ static const struct proto_ops caif_seqpacket_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = caif_poll_mask,
+ .poll = caif_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -993,7 +997,7 @@ static const struct proto_ops caif_stream_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = caif_poll_mask,
+ .poll = caif_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 9393f25df08d..0af8f0db892a 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1660,7 +1660,7 @@ static const struct proto_ops bcm_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = can_ioctl, /* use can_ioctl() from af_can.c */
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/can/raw.c b/net/can/raw.c
index fd7e2f49ea6a..1051eee82581 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -843,7 +843,7 @@ static const struct proto_ops raw_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = raw_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = can_ioctl, /* use can_ioctl() from af_can.c */
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/core/datagram.c b/net/core/datagram.c
index f19bf3dc2bd6..9938952c5c78 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -819,8 +819,9 @@ EXPORT_SYMBOL(skb_copy_and_csum_datagram_msg);
/**
* datagram_poll - generic datagram poll
+ * @file: file struct
* @sock: socket
- * @events to wait for
+ * @wait: poll table
*
* Datagram poll: Again totally generic. This also handles
* sequenced packet sockets providing the socket receive queue
@@ -830,10 +831,14 @@ EXPORT_SYMBOL(skb_copy_and_csum_datagram_msg);
* and you use a different write policy from sock_writeable()
* then please supply your own write_space callback.
*/
-__poll_t datagram_poll_mask(struct socket *sock, __poll_t events)
+__poll_t datagram_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
- __poll_t mask = 0;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
/* exceptional events? */
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
@@ -866,4 +871,4 @@ __poll_t datagram_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-EXPORT_SYMBOL(datagram_poll_mask);
+EXPORT_SYMBOL(datagram_poll);
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 0ea2ee56ac1b..f91e3816806b 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -316,7 +316,8 @@ int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
int flags, int *addr_len);
void dccp_shutdown(struct sock *sk, int how);
int inet_dccp_listen(struct socket *sock, int backlog);
-__poll_t dccp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t dccp_poll(struct file *file, struct socket *sock,
+ poll_table *wait);
int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
void dccp_req_err(struct sock *sk, u64 seq);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index a9e478cd3787..b08feb219b44 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -984,7 +984,7 @@ static const struct proto_ops inet_dccp_ops = {
.accept = inet_accept,
.getname = inet_getname,
/* FIXME: work on tcp_poll to rename it to inet_csk_poll */
- .poll_mask = dccp_poll_mask,
+ .poll = dccp_poll,
.ioctl = inet_ioctl,
/* FIXME: work on inet_listen to rename it to sock_common_listen */
.listen = inet_dccp_listen,
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 17fc4e0166ba..6344f1b18a6a 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1070,7 +1070,7 @@ static const struct proto_ops inet6_dccp_ops = {
.socketpair = sock_no_socketpair,
.accept = inet_accept,
.getname = inet6_getname,
- .poll_mask = dccp_poll_mask,
+ .poll = dccp_poll,
.ioctl = inet6_ioctl,
.listen = inet_dccp_listen,
.shutdown = inet_shutdown,
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index ca21c1c76da0..0d56e36a6db7 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -312,11 +312,20 @@ int dccp_disconnect(struct sock *sk, int flags)
EXPORT_SYMBOL_GPL(dccp_disconnect);
-__poll_t dccp_poll_mask(struct socket *sock, __poll_t events)
+/*
+ * Wait for a DCCP event.
+ *
+ * Note that we don't need to lock the socket, as the upper poll layers
+ * take care of normal races (between the test and the event) and we don't
+ * go look at any of the socket buffers directly.
+ */
+__poll_t dccp_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
__poll_t mask;
struct sock *sk = sock->sk;
+ sock_poll_wait(file, sk_sleep(sk), wait);
if (sk->sk_state == DCCP_LISTEN)
return inet_csk_listen_poll(sk);
@@ -358,7 +367,7 @@ __poll_t dccp_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-EXPORT_SYMBOL_GPL(dccp_poll_mask);
+EXPORT_SYMBOL_GPL(dccp_poll);
int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9a686d890bfa..7d6ff983ba2c 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1207,11 +1207,11 @@ static int dn_getname(struct socket *sock, struct sockaddr *uaddr,int peer)
}
-static __poll_t dn_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t dn_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct dn_scp *scp = DN_SK(sk);
- __poll_t mask = datagram_poll_mask(sock, events);
+ __poll_t mask = datagram_poll(file, sock, wait);
if (!skb_queue_empty(&scp->other_receive_queue))
mask |= EPOLLRDBAND;
@@ -2331,7 +2331,7 @@ static const struct proto_ops dn_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = dn_accept,
.getname = dn_getname,
- .poll_mask = dn_poll_mask,
+ .poll = dn_poll,
.ioctl = dn_ioctl,
.listen = dn_listen,
.shutdown = dn_shutdown,
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index a0768d2759b8..a60658c85a9a 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -423,7 +423,7 @@ static const struct proto_ops ieee802154_raw_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = ieee802154_sock_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -969,7 +969,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = ieee802154_sock_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 15e125558c76..b403499fdabe 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -986,7 +986,7 @@ const struct proto_ops inet_stream_ops = {
.socketpair = sock_no_socketpair,
.accept = inet_accept,
.getname = inet_getname,
- .poll_mask = tcp_poll_mask,
+ .poll = tcp_poll,
.ioctl = inet_ioctl,
.listen = inet_listen,
.shutdown = inet_shutdown,
@@ -1021,7 +1021,7 @@ const struct proto_ops inet_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = inet_getname,
- .poll_mask = udp_poll_mask,
+ .poll = udp_poll,
.ioctl = inet_ioctl,
.listen = sock_no_listen,
.shutdown = inet_shutdown,
@@ -1042,7 +1042,7 @@ EXPORT_SYMBOL(inet_dgram_ops);
/*
* For SOCK_RAW sockets; should be the same as inet_dgram_ops but without
- * udp_poll_mask
+ * udp_poll
*/
static const struct proto_ops inet_sockraw_ops = {
.family = PF_INET,
@@ -1053,7 +1053,7 @@ static const struct proto_ops inet_sockraw_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = inet_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = inet_ioctl,
.listen = sock_no_listen,
.shutdown = inet_shutdown,
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 141acd92e58a..e7b53d2a971f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -494,21 +494,32 @@ static inline bool tcp_stream_is_readable(const struct tcp_sock *tp,
}
/*
- * Socket is not locked. We are protected from async events by poll logic and
- * correct handling of state changes made by other threads is impossible in
- * any case.
+ * Wait for a TCP event.
+ *
+ * Note that we don't need to lock the socket, as the upper poll layers
+ * take care of normal races (between the test and the event) and we don't
+ * go look at any of the socket buffers directly.
*/
-__poll_t tcp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
{
+ __poll_t mask;
struct sock *sk = sock->sk;
const struct tcp_sock *tp = tcp_sk(sk);
- __poll_t mask = 0;
int state;
+ sock_poll_wait(file, sk_sleep(sk), wait);
+
state = inet_sk_state_load(sk);
if (state == TCP_LISTEN)
return inet_csk_listen_poll(sk);
+ /* Socket is not locked. We are protected from async events
+ * by poll logic and correct handling of state changes
+ * made by other threads is impossible in any case.
+ */
+
+ mask = 0;
+
/*
* EPOLLHUP is certainly not done right. But poll() doesn't
* have a notion of HUP in just one direction, and for a
@@ -589,7 +600,7 @@ __poll_t tcp_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-EXPORT_SYMBOL(tcp_poll_mask);
+EXPORT_SYMBOL(tcp_poll);
int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9bb27df4dac5..24e116ddae79 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2591,7 +2591,7 @@ int compat_udp_getsockopt(struct sock *sk, int level, int optname,
* udp_poll - wait for a UDP event.
* @file - file struct
* @sock - socket
- * @events - events to wait for
+ * @wait - poll table
*
* This is same as datagram poll, except for the special case of
* blocking sockets. If application is using a blocking fd
@@ -2600,23 +2600,23 @@ int compat_udp_getsockopt(struct sock *sk, int level, int optname,
* but then block when reading it. Add special case code
* to work around these arguably broken applications.
*/
-__poll_t udp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait)
{
- __poll_t mask = datagram_poll_mask(sock, events);
+ __poll_t mask = datagram_poll(file, sock, wait);
struct sock *sk = sock->sk;
if (!skb_queue_empty(&udp_sk(sk)->reader_queue))
mask |= EPOLLIN | EPOLLRDNORM;
/* Check for false positives due to checksum errors */
- if ((mask & EPOLLRDNORM) && !(sock->file->f_flags & O_NONBLOCK) &&
+ if ((mask & EPOLLRDNORM) && !(file->f_flags & O_NONBLOCK) &&
!(sk->sk_shutdown & RCV_SHUTDOWN) && first_packet_length(sk) == -1)
mask &= ~(EPOLLIN | EPOLLRDNORM);
return mask;
}
-EXPORT_SYMBOL(udp_poll_mask);
+EXPORT_SYMBOL(udp_poll);
int udp_abort(struct sock *sk, int err)
{
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 74f2a261e8df..9ed0eae91758 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -570,7 +570,7 @@ const struct proto_ops inet6_stream_ops = {
.socketpair = sock_no_socketpair, /* a do nothing */
.accept = inet_accept, /* ok */
.getname = inet6_getname,
- .poll_mask = tcp_poll_mask, /* ok */
+ .poll = tcp_poll, /* ok */
.ioctl = inet6_ioctl, /* must change */
.listen = inet_listen, /* ok */
.shutdown = inet_shutdown, /* ok */
@@ -603,7 +603,7 @@ const struct proto_ops inet6_dgram_ops = {
.socketpair = sock_no_socketpair, /* a do nothing */
.accept = sock_no_accept, /* a do nothing */
.getname = inet6_getname,
- .poll_mask = udp_poll_mask, /* ok */
+ .poll = udp_poll, /* ok */
.ioctl = inet6_ioctl, /* must change */
.listen = sock_no_listen, /* ok */
.shutdown = inet_shutdown, /* ok */
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ce6f0d15b5dd..afc307c89d1a 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1334,7 +1334,7 @@ void raw6_proc_exit(void)
}
#endif /* CONFIG_PROC_FS */
-/* Same as inet6_dgram_ops, sans udp_poll_mask. */
+/* Same as inet6_dgram_ops, sans udp_poll. */
const struct proto_ops inet6_sockraw_ops = {
.family = PF_INET6,
.owner = THIS_MODULE,
@@ -1344,7 +1344,7 @@ const struct proto_ops inet6_sockraw_ops = {
.socketpair = sock_no_socketpair, /* a do nothing */
.accept = sock_no_accept, /* a do nothing */
.getname = inet6_getname,
- .poll_mask = datagram_poll_mask, /* ok */
+ .poll = datagram_poll, /* ok */
.ioctl = inet6_ioctl, /* must change */
.listen = sock_no_listen, /* ok */
.shutdown = inet_shutdown, /* ok */
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 68e86257a549..893a022f9620 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1488,11 +1488,14 @@ static inline __poll_t iucv_accept_poll(struct sock *parent)
return 0;
}
-static __poll_t iucv_sock_poll_mask(struct socket *sock, __poll_t events)
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
__poll_t mask = 0;
+ sock_poll_wait(file, sk_sleep(sk), wait);
+
if (sk->sk_state == IUCV_LISTEN)
return iucv_accept_poll(sk);
@@ -2385,7 +2388,7 @@ static const struct proto_ops iucv_sock_ops = {
.getname = iucv_sock_getname,
.sendmsg = iucv_sock_sendmsg,
.recvmsg = iucv_sock_recvmsg,
- .poll_mask = iucv_sock_poll_mask,
+ .poll = iucv_sock_poll,
.ioctl = sock_no_ioctl,
.mmap = sock_no_mmap,
.socketpair = sock_no_socketpair,
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 84b7d5c6fec8..d3601d421571 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -1336,9 +1336,9 @@ static void init_kcm_sock(struct kcm_sock *kcm, struct kcm_mux *mux)
struct list_head *head;
int index = 0;
- /* For SOCK_SEQPACKET sock type, datagram_poll_mask checks the sk_state,
- * so we set sk_state, otherwise epoll_wait always returns right away
- * with EPOLLHUP
+ /* For SOCK_SEQPACKET sock type, datagram_poll checks the sk_state, so
+ * we set sk_state, otherwise epoll_wait always returns right away with
+ * EPOLLHUP
*/
kcm->sk.sk_state = TCP_ESTABLISHED;
@@ -1903,7 +1903,7 @@ static const struct proto_ops kcm_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = kcm_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -1924,7 +1924,7 @@ static const struct proto_ops kcm_seqpacket_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = kcm_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 8bdc1cbe490a..5e1d2946ffbf 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3751,7 +3751,7 @@ static const struct proto_ops pfkey_ops = {
/* Now the operations that really occur. */
.release = pfkey_release,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.sendmsg = pfkey_sendmsg,
.recvmsg = pfkey_recvmsg,
};
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 181073bf6925..a9c05b2bc1b0 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -613,7 +613,7 @@ static const struct proto_ops l2tp_ip_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = l2tp_ip_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = inet_ioctl,
.listen = sock_no_listen,
.shutdown = inet_shutdown,
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 336e4c00abbc..957369192ca1 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -754,7 +754,7 @@ static const struct proto_ops l2tp_ip6_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = l2tp_ip6_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = inet6_ioctl,
.listen = sock_no_listen,
.shutdown = inet_shutdown,
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 55188382845c..e398797878a9 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -1818,7 +1818,7 @@ static const struct proto_ops pppol2tp_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = pppol2tp_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.setsockopt = pppol2tp_setsockopt,
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 804de8490186..1beeea9549fa 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -1192,7 +1192,7 @@ static const struct proto_ops llc_ui_ops = {
.socketpair = sock_no_socketpair,
.accept = llc_ui_accept,
.getname = llc_ui_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = llc_ui_ioctl,
.listen = llc_ui_listen,
.shutdown = llc_ui_shutdown,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 1189b84413d5..393573a99a5a 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2658,7 +2658,7 @@ static const struct proto_ops netlink_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = netlink_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = netlink_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 93fbcafbf388..03f37c4e64fe 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1355,7 +1355,7 @@ static const struct proto_ops nr_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = nr_accept,
.getname = nr_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = nr_ioctl,
.listen = nr_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index ab5bb14b49af..ea0c0c6f1874 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -548,13 +548,16 @@ static inline __poll_t llcp_accept_poll(struct sock *parent)
return 0;
}
-static __poll_t llcp_sock_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t llcp_sock_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
__poll_t mask = 0;
pr_debug("%p\n", sk);
+ sock_poll_wait(file, sk_sleep(sk), wait);
+
if (sk->sk_state == LLCP_LISTEN)
return llcp_accept_poll(sk);
@@ -896,7 +899,7 @@ static const struct proto_ops llcp_sock_ops = {
.socketpair = sock_no_socketpair,
.accept = llcp_sock_accept,
.getname = llcp_sock_getname,
- .poll_mask = llcp_sock_poll_mask,
+ .poll = llcp_sock_poll,
.ioctl = sock_no_ioctl,
.listen = llcp_sock_listen,
.shutdown = sock_no_shutdown,
@@ -916,7 +919,7 @@ static const struct proto_ops llcp_rawsock_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = llcp_sock_getname,
- .poll_mask = llcp_sock_poll_mask,
+ .poll = llcp_sock_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
index 60c322531c49..e2188deb08dc 100644
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@@ -284,7 +284,7 @@ static const struct proto_ops rawsock_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -304,7 +304,7 @@ static const struct proto_ops rawsock_raw_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ff8e7e245c37..57634bc3da74 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -4076,11 +4076,12 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
return 0;
}
-static __poll_t packet_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t packet_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct packet_sock *po = pkt_sk(sk);
- __poll_t mask = datagram_poll_mask(sock, events);
+ __poll_t mask = datagram_poll(file, sock, wait);
spin_lock_bh(&sk->sk_receive_queue.lock);
if (po->rx_ring.pg_vec) {
@@ -4422,7 +4423,7 @@ static const struct proto_ops packet_ops_spkt = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = packet_getname_spkt,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = packet_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -4443,7 +4444,7 @@ static const struct proto_ops packet_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = packet_getname,
- .poll_mask = packet_poll_mask,
+ .poll = packet_poll,
.ioctl = packet_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index c295c4e20f01..30187990257f 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -340,12 +340,15 @@ static int pn_socket_getname(struct socket *sock, struct sockaddr *addr,
return sizeof(struct sockaddr_pn);
}
-static __poll_t pn_socket_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t pn_socket_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct pep_sock *pn = pep_sk(sk);
__poll_t mask = 0;
+ poll_wait(file, sk_sleep(sk), wait);
+
if (sk->sk_state == TCP_CLOSE)
return EPOLLERR;
if (!skb_queue_empty(&sk->sk_receive_queue))
@@ -445,7 +448,7 @@ const struct proto_ops phonet_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = pn_socket_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = pn_socket_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
@@ -470,7 +473,7 @@ const struct proto_ops phonet_stream_ops = {
.socketpair = sock_no_socketpair,
.accept = pn_socket_accept,
.getname = pn_socket_getname,
- .poll_mask = pn_socket_poll_mask,
+ .poll = pn_socket_poll,
.ioctl = pn_socket_ioctl,
.listen = pn_socket_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 1b5025ea5b04..2aa07b547b16 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -1023,7 +1023,7 @@ static const struct proto_ops qrtr_proto_ops = {
.recvmsg = qrtr_recvmsg,
.getname = qrtr_getname,
.ioctl = qrtr_ioctl,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.shutdown = sock_no_shutdown,
.setsockopt = sock_no_setsockopt,
.getsockopt = sock_no_getsockopt,
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index ebe42e7eb456..d00a0ef39a56 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1470,7 +1470,7 @@ static const struct proto_ops rose_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = rose_accept,
.getname = rose_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = rose_ioctl,
.listen = rose_listen,
.shutdown = sock_no_shutdown,
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 3b1ac93efee2..2b463047dd7b 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -734,11 +734,15 @@ static int rxrpc_getsockopt(struct socket *sock, int level, int optname,
/*
* permit an RxRPC socket to be polled
*/
-static __poll_t rxrpc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t rxrpc_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct rxrpc_sock *rx = rxrpc_sk(sk);
- __poll_t mask = 0;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
/* the socket is readable if there are any messages waiting on the Rx
* queue */
@@ -945,7 +949,7 @@ static const struct proto_ops rxrpc_rpc_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = rxrpc_poll_mask,
+ .poll = rxrpc_poll,
.ioctl = sock_no_ioctl,
.listen = rxrpc_listen,
.shutdown = rxrpc_shutdown,
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 7339918a805d..0cd2e764f47f 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1010,7 +1010,7 @@ static const struct proto_ops inet6_seqpacket_ops = {
.socketpair = sock_no_socketpair,
.accept = inet_accept,
.getname = sctp_getname,
- .poll_mask = sctp_poll_mask,
+ .poll = sctp_poll,
.ioctl = inet6_ioctl,
.listen = sctp_inet_listen,
.shutdown = inet_shutdown,
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 5dffbc493008..67f73d3a1356 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1016,7 +1016,7 @@ static const struct proto_ops inet_seqpacket_ops = {
.socketpair = sock_no_socketpair,
.accept = inet_accept,
.getname = inet_getname, /* Semantics are different. */
- .poll_mask = sctp_poll_mask,
+ .poll = sctp_poll,
.ioctl = inet_ioctl,
.listen = sctp_inet_listen,
.shutdown = inet_shutdown, /* Looks harmless. */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d20f7addee19..ce620e878538 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7717,12 +7717,14 @@ out:
* here, again, by modeling the current TCP/UDP code. We don't have
* a good way to test with it yet.
*/
-__poll_t sctp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct sctp_sock *sp = sctp_sk(sk);
__poll_t mask;
+ poll_wait(file, sk_sleep(sk), wait);
+
sock_rps_record_flow(sk);
/* A TCP-style listening socket becomes readable when the accept queue
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index da7f02edcd37..973b4471b532 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1273,7 +1273,8 @@ static __poll_t smc_accept_poll(struct sock *parent)
return mask;
}
-static __poll_t smc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t smc_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
__poll_t mask = 0;
@@ -1289,7 +1290,7 @@ static __poll_t smc_poll_mask(struct socket *sock, __poll_t events)
if ((sk->sk_state == SMC_INIT) || smc->use_fallback) {
/* delegate to CLC child sock */
release_sock(sk);
- mask = smc->clcsock->ops->poll_mask(smc->clcsock, events);
+ mask = smc->clcsock->ops->poll(file, smc->clcsock, wait);
lock_sock(sk);
sk->sk_err = smc->clcsock->sk->sk_err;
if (sk->sk_err) {
@@ -1307,6 +1308,11 @@ static __poll_t smc_poll_mask(struct socket *sock, __poll_t events)
}
}
} else {
+ if (sk->sk_state != SMC_CLOSED) {
+ release_sock(sk);
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ lock_sock(sk);
+ }
if (sk->sk_err)
mask |= EPOLLERR;
if ((sk->sk_shutdown == SHUTDOWN_MASK) ||
@@ -1619,7 +1625,7 @@ static const struct proto_ops smc_sock_ops = {
.socketpair = sock_no_socketpair,
.accept = smc_accept,
.getname = smc_getname,
- .poll_mask = smc_poll_mask,
+ .poll = smc_poll,
.ioctl = smc_ioctl,
.listen = smc_listen,
.shutdown = smc_shutdown,
diff --git a/net/socket.c b/net/socket.c
index 8a109012608a..85633622c94d 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -117,10 +117,8 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from);
static int sock_mmap(struct file *file, struct vm_area_struct *vma);
static int sock_close(struct inode *inode, struct file *file);
-static struct wait_queue_head *sock_get_poll_head(struct file *file,
- __poll_t events);
-static __poll_t sock_poll_mask(struct file *file, __poll_t);
-static __poll_t sock_poll(struct file *file, struct poll_table_struct *wait);
+static __poll_t sock_poll(struct file *file,
+ struct poll_table_struct *wait);
static long sock_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
#ifdef CONFIG_COMPAT
static long compat_sock_ioctl(struct file *file,
@@ -143,8 +141,6 @@ static const struct file_operations socket_file_ops = {
.llseek = no_llseek,
.read_iter = sock_read_iter,
.write_iter = sock_write_iter,
- .get_poll_head = sock_get_poll_head,
- .poll_mask = sock_poll_mask,
.poll = sock_poll,
.unlocked_ioctl = sock_ioctl,
#ifdef CONFIG_COMPAT
@@ -1130,48 +1126,16 @@ out_release:
}
EXPORT_SYMBOL(sock_create_lite);
-static struct wait_queue_head *sock_get_poll_head(struct file *file,
- __poll_t events)
-{
- struct socket *sock = file->private_data;
-
- if (!sock->ops->poll_mask)
- return NULL;
- sock_poll_busy_loop(sock, events);
- return sk_sleep(sock->sk);
-}
-
-static __poll_t sock_poll_mask(struct file *file, __poll_t events)
-{
- struct socket *sock = file->private_data;
-
- /*
- * We need to be sure we are in sync with the socket flags modification.
- *
- * This memory barrier is paired in the wq_has_sleeper.
- */
- smp_mb();
-
- /* this socket can poll_ll so tell the system call */
- return sock->ops->poll_mask(sock, events) |
- (sk_can_busy_loop(sock->sk) ? POLL_BUSY_LOOP : 0);
-}
-
/* No kernel lock held - perfect */
static __poll_t sock_poll(struct file *file, poll_table *wait)
{
struct socket *sock = file->private_data;
- __poll_t events = poll_requested_events(wait), mask = 0;
-
- if (sock->ops->poll) {
- sock_poll_busy_loop(sock, events);
- mask = sock->ops->poll(file, sock, wait);
- } else if (sock->ops->poll_mask) {
- sock_poll_wait(file, sock_get_poll_head(file, events), wait);
- mask = sock->ops->poll_mask(sock, events);
- }
+ __poll_t events = poll_requested_events(wait);
- return mask | sock_poll_busy_flag(sock);
+ sock_poll_busy_loop(sock, events);
+ if (!sock->ops->poll)
+ return 0;
+ return sock->ops->poll(file, sock, wait) | sock_poll_busy_flag(sock);
}
static int sock_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 14a5d055717d..930852c54d7a 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -692,9 +692,10 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
}
/**
- * tipc_poll - read pollmask
+ * tipc_poll - read and possibly block on pollmask
* @file: file structure associated with the socket
* @sock: socket for which to calculate the poll bits
+ * @wait: ???
*
* Returns pollmask value
*
@@ -708,12 +709,15 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
* imply that the operation will succeed, merely that it should be performed
* and will not block.
*/
-static __poll_t tipc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t tipc_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
struct tipc_sock *tsk = tipc_sk(sk);
__poll_t revents = 0;
+ sock_poll_wait(file, sk_sleep(sk), wait);
+
if (sk->sk_shutdown & RCV_SHUTDOWN)
revents |= EPOLLRDHUP | EPOLLIN | EPOLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
@@ -3033,7 +3037,7 @@ static const struct proto_ops msg_ops = {
.socketpair = tipc_socketpair,
.accept = sock_no_accept,
.getname = tipc_getname,
- .poll_mask = tipc_poll_mask,
+ .poll = tipc_poll,
.ioctl = tipc_ioctl,
.listen = sock_no_listen,
.shutdown = tipc_shutdown,
@@ -3054,7 +3058,7 @@ static const struct proto_ops packet_ops = {
.socketpair = tipc_socketpair,
.accept = tipc_accept,
.getname = tipc_getname,
- .poll_mask = tipc_poll_mask,
+ .poll = tipc_poll,
.ioctl = tipc_ioctl,
.listen = tipc_listen,
.shutdown = tipc_shutdown,
@@ -3075,7 +3079,7 @@ static const struct proto_ops stream_ops = {
.socketpair = tipc_socketpair,
.accept = tipc_accept,
.getname = tipc_getname,
- .poll_mask = tipc_poll_mask,
+ .poll = tipc_poll,
.ioctl = tipc_ioctl,
.listen = tipc_listen,
.shutdown = tipc_shutdown,
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index a127d61e8af9..301f22430469 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -712,7 +712,7 @@ static int __init tls_register(void)
build_protos(tls_prots[TLSV4], &tcp_prot);
tls_sw_proto_ops = inet_stream_ops;
- tls_sw_proto_ops.poll_mask = tls_sw_poll_mask;
+ tls_sw_proto_ops.poll = tls_sw_poll;
tls_sw_proto_ops.splice_read = tls_sw_splice_read;
#ifdef CONFIG_TLS_DEVICE
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index f127fac88acf..d2380548f8f6 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -919,22 +919,23 @@ splice_read_end:
return copied ? : err;
}
-__poll_t tls_sw_poll_mask(struct socket *sock, __poll_t events)
+unsigned int tls_sw_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait)
{
+ unsigned int ret;
struct sock *sk = sock->sk;
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
- __poll_t mask;
- /* Grab EPOLLOUT and EPOLLHUP from the underlying socket */
- mask = ctx->sk_poll_mask(sock, events);
+ /* Grab POLLOUT and POLLHUP from the underlying socket */
+ ret = ctx->sk_poll(file, sock, wait);
- /* Clear EPOLLIN bits, and set based on recv_pkt */
- mask &= ~(EPOLLIN | EPOLLRDNORM);
+ /* Clear POLLIN bits, and set based on recv_pkt */
+ ret &= ~(POLLIN | POLLRDNORM);
if (ctx->recv_pkt)
- mask |= EPOLLIN | EPOLLRDNORM;
+ ret |= POLLIN | POLLRDNORM;
- return mask;
+ return ret;
}
static int tls_read_size(struct strparser *strp, struct sk_buff *skb)
@@ -1191,7 +1192,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
sk->sk_data_ready = tls_data_ready;
write_unlock_bh(&sk->sk_callback_lock);
- sw_ctx_rx->sk_poll_mask = sk->sk_socket->ops->poll_mask;
+ sw_ctx_rx->sk_poll = sk->sk_socket->ops->poll;
strp_check_rcv(&sw_ctx_rx->strp);
}
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 95b02a71fd47..e5473c03d667 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -638,8 +638,9 @@ static int unix_stream_connect(struct socket *, struct sockaddr *,
static int unix_socketpair(struct socket *, struct socket *);
static int unix_accept(struct socket *, struct socket *, int, bool);
static int unix_getname(struct socket *, struct sockaddr *, int);
-static __poll_t unix_poll_mask(struct socket *, __poll_t);
-static __poll_t unix_dgram_poll_mask(struct socket *, __poll_t);
+static __poll_t unix_poll(struct file *, struct socket *, poll_table *);
+static __poll_t unix_dgram_poll(struct file *, struct socket *,
+ poll_table *);
static int unix_ioctl(struct socket *, unsigned int, unsigned long);
static int unix_shutdown(struct socket *, int);
static int unix_stream_sendmsg(struct socket *, struct msghdr *, size_t);
@@ -680,7 +681,7 @@ static const struct proto_ops unix_stream_ops = {
.socketpair = unix_socketpair,
.accept = unix_accept,
.getname = unix_getname,
- .poll_mask = unix_poll_mask,
+ .poll = unix_poll,
.ioctl = unix_ioctl,
.listen = unix_listen,
.shutdown = unix_shutdown,
@@ -703,7 +704,7 @@ static const struct proto_ops unix_dgram_ops = {
.socketpair = unix_socketpair,
.accept = sock_no_accept,
.getname = unix_getname,
- .poll_mask = unix_dgram_poll_mask,
+ .poll = unix_dgram_poll,
.ioctl = unix_ioctl,
.listen = sock_no_listen,
.shutdown = unix_shutdown,
@@ -725,7 +726,7 @@ static const struct proto_ops unix_seqpacket_ops = {
.socketpair = unix_socketpair,
.accept = unix_accept,
.getname = unix_getname,
- .poll_mask = unix_dgram_poll_mask,
+ .poll = unix_dgram_poll,
.ioctl = unix_ioctl,
.listen = unix_listen,
.shutdown = unix_shutdown,
@@ -2629,10 +2630,13 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
return err;
}
-static __poll_t unix_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
- __poll_t mask = 0;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
/* exceptional events? */
if (sk->sk_err)
@@ -2661,11 +2665,15 @@ static __poll_t unix_poll_mask(struct socket *sock, __poll_t events)
return mask;
}
-static __poll_t unix_dgram_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk, *other;
- int writable;
- __poll_t mask = 0;
+ unsigned int writable;
+ __poll_t mask;
+
+ sock_poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
/* exceptional events? */
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
@@ -2691,7 +2699,7 @@ static __poll_t unix_dgram_poll_mask(struct socket *sock, __poll_t events)
}
/* No write status requested, avoid expensive OUT tests. */
- if (!(events & (EPOLLWRBAND|EPOLLWRNORM|EPOLLOUT)))
+ if (!(poll_requested_events(wait) & (EPOLLWRBAND|EPOLLWRNORM|EPOLLOUT)))
return mask;
writable = unix_writable(sk);
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index bb5d5fa68c35..c1076c19b858 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -850,11 +850,18 @@ static int vsock_shutdown(struct socket *sock, int mode)
return err;
}
-static __poll_t vsock_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t vsock_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
- struct sock *sk = sock->sk;
- struct vsock_sock *vsk = vsock_sk(sk);
- __poll_t mask = 0;
+ struct sock *sk;
+ __poll_t mask;
+ struct vsock_sock *vsk;
+
+ sk = sock->sk;
+ vsk = vsock_sk(sk);
+
+ poll_wait(file, sk_sleep(sk), wait);
+ mask = 0;
if (sk->sk_err)
/* Signify that there has been an error on this socket. */
@@ -1084,7 +1091,7 @@ static const struct proto_ops vsock_dgram_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = vsock_getname,
- .poll_mask = vsock_poll_mask,
+ .poll = vsock_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = vsock_shutdown,
@@ -1842,7 +1849,7 @@ static const struct proto_ops vsock_stream_ops = {
.socketpair = sock_no_socketpair,
.accept = vsock_accept,
.getname = vsock_getname,
- .poll_mask = vsock_poll_mask,
+ .poll = vsock_poll,
.ioctl = sock_no_ioctl,
.listen = vsock_listen,
.shutdown = vsock_shutdown,
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index f93365ae0fdd..d49aa79b7997 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1750,7 +1750,7 @@ static const struct proto_ops x25_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = x25_accept,
.getname = x25_getname,
- .poll_mask = datagram_poll_mask,
+ .poll = datagram_poll,
.ioctl = x25_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_x25_ioctl,
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 3b3410ada097..59fb7d3c36a3 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -303,9 +303,10 @@ static int xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len)
return (xs->zc) ? xsk_zc_xmit(sk) : xsk_generic_xmit(sk, m, total_len);
}
-static __poll_t xsk_poll_mask(struct socket *sock, __poll_t events)
+static unsigned int xsk_poll(struct file *file, struct socket *sock,
+ struct poll_table_struct *wait)
{
- __poll_t mask = datagram_poll_mask(sock, events);
+ unsigned int mask = datagram_poll(file, sock, wait);
struct sock *sk = sock->sk;
struct xdp_sock *xs = xdp_sk(sk);
@@ -696,7 +697,7 @@ static const struct proto_ops xsk_proto_ops = {
.socketpair = sock_no_socketpair,
.accept = sock_no_accept,
.getname = sock_no_getname,
- .poll_mask = xsk_poll_mask,
+ .poll = xsk_poll,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 3755af0cd9f7..75e4e22b986a 100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,4 +1,4 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
-echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 94a383b21df6..f63b41b0dd49 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -171,6 +171,9 @@ struct symbol {
* config BAZ
* int "BAZ Value"
* range 1..255
+ *
+ * Please, also check zconf.y:print_symbol() when modifying the
+ * list of property types!
*/
enum prop_type {
P_UNKNOWN,
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 65da87fce907..5ca2df790d3c 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -156,7 +156,7 @@ static char *do_shell(int argc, char *argv[])
nread--;
/* remove trailing new lines */
- while (buf[nread - 1] == '\n')
+ while (nread > 0 && buf[nread - 1] == '\n')
nread--;
buf[nread] = 0;
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 6f9b0aa32a82..4b68272ebdb9 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE];
static struct menu *current_menu, *current_entry;
%}
-%expect 32
+%expect 31
%union
{
@@ -337,7 +337,7 @@ choice_block:
/* if entry */
-if_entry: T_IF expr nl
+if_entry: T_IF expr T_EOL
{
printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
menu_add_entry(NULL);
@@ -717,6 +717,10 @@ static void print_symbol(FILE *out, struct menu *menu)
print_quoted_string(out, prop->text);
fputc('\n', out);
break;
+ case P_SYMBOL:
+ fputs( " symbol ", out);
+ fprintf(out, "%s\n", prop->sym->name);
+ break;
default:
fprintf(out, " unknown prop %d!\n", prop->type);
break;
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index f3d374d2ca04..79d3709b0671 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -441,22 +441,16 @@ static int sel_release_policy(struct inode *inode, struct file *filp)
static ssize_t sel_read_policy(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
{
- struct selinux_fs_info *fsi = file_inode(filp)->i_sb->s_fs_info;
struct policy_load_memory *plm = filp->private_data;
int ret;
- mutex_lock(&fsi->mutex);
-
ret = avc_has_perm(&selinux_state,
current_sid(), SECINITSID_SECURITY,
SECCLASS_SECURITY, SECURITY__READ_POLICY, NULL);
if (ret)
- goto out;
+ return ret;
- ret = simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
-out:
- mutex_unlock(&fsi->mutex);
- return ret;
+ return simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
}
static vm_fault_t sel_mmap_policy_fault(struct vm_fault *vmf)
@@ -1188,25 +1182,29 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
ret = -EINVAL;
if (index >= fsi->bool_num || strcmp(name,
fsi->bool_pending_names[index]))
- goto out;
+ goto out_unlock;
ret = -ENOMEM;
page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
- goto out;
+ goto out_unlock;
cur_enforcing = security_get_bool_value(fsi->state, index);
if (cur_enforcing < 0) {
ret = cur_enforcing;
- goto out;
+ goto out_unlock;
}
length = scnprintf(page, PAGE_SIZE, "%d %d", cur_enforcing,
fsi->bool_pending_values[index]);
- ret = simple_read_from_buffer(buf, count, ppos, page, length);
-out:
mutex_unlock(&fsi->mutex);
+ ret = simple_read_from_buffer(buf, count, ppos, page, length);
+out_free:
free_page((unsigned long)page);
return ret;
+
+out_unlock:
+ mutex_unlock(&fsi->mutex);
+ goto out_free;
}
static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
@@ -1219,6 +1217,17 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
const char *name = filep->f_path.dentry->d_name.name;
+ if (count >= PAGE_SIZE)
+ return -ENOMEM;
+
+ /* No partial writes. */
+ if (*ppos != 0)
+ return -EINVAL;
+
+ page = memdup_user_nul(buf, count);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
mutex_lock(&fsi->mutex);
length = avc_has_perm(&selinux_state,
@@ -1233,22 +1242,6 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
fsi->bool_pending_names[index]))
goto out;
- length = -ENOMEM;
- if (count >= PAGE_SIZE)
- goto out;
-
- /* No partial writes. */
- length = -EINVAL;
- if (*ppos != 0)
- goto out;
-
- page = memdup_user_nul(buf, count);
- if (IS_ERR(page)) {
- length = PTR_ERR(page);
- page = NULL;
- goto out;
- }
-
length = -EINVAL;
if (sscanf(page, "%d", &new_value) != 1)
goto out;
@@ -1280,6 +1273,17 @@ static ssize_t sel_commit_bools_write(struct file *filep,
ssize_t length;
int new_value;
+ if (count >= PAGE_SIZE)
+ return -ENOMEM;
+
+ /* No partial writes. */
+ if (*ppos != 0)
+ return -EINVAL;
+
+ page = memdup_user_nul(buf, count);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
mutex_lock(&fsi->mutex);
length = avc_has_perm(&selinux_state,
@@ -1289,22 +1293,6 @@ static ssize_t sel_commit_bools_write(struct file *filep,
if (length)
goto out;
- length = -ENOMEM;
- if (count >= PAGE_SIZE)
- goto out;
-
- /* No partial writes. */
- length = -EINVAL;
- if (*ppos != 0)
- goto out;
-
- page = memdup_user_nul(buf, count);
- if (IS_ERR(page)) {
- length = PTR_ERR(page);
- page = NULL;
- goto out;
- }
-
length = -EINVAL;
if (sscanf(page, "%d", &new_value) != 1)
goto out;
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 61a07fe34cd2..56ca78423040 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -2004,7 +2004,8 @@ static int snd_seq_ioctl_query_next_client(struct snd_seq_client *client,
struct snd_seq_client *cptr = NULL;
/* search for next client */
- info->client++;
+ if (info->client < INT_MAX)
+ info->client++;
if (info->client < 0)
info->client = 0;
for (; info->client < SNDRV_SEQ_MAX_CLIENTS; info->client++) {
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 665089c45560..b6f076bbc72d 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1520,7 +1520,7 @@ static int snd_timer_user_next_device(struct snd_timer_id __user *_tid)
} else {
if (id.subdevice < 0)
id.subdevice = 0;
- else
+ else if (id.subdevice < INT_MAX)
id.subdevice++;
}
}
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index d91c87e41756..20a171ac4bb2 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2899,8 +2899,9 @@ static int hda_codec_runtime_suspend(struct device *dev)
list_for_each_entry(pcm, &codec->pcm_list_head, list)
snd_pcm_suspend_all(pcm->pcm);
state = hda_call_codec_suspend(codec);
- if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
- (state & AC_PWRST_CLK_STOP_OK))
+ if (codec->link_down_at_suspend ||
+ (codec_has_clkstop(codec) && codec_has_epss(codec) &&
+ (state & AC_PWRST_CLK_STOP_OK)))
snd_hdac_codec_link_down(&codec->core);
snd_hdac_link_power(&codec->core, false);
return 0;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 681c360f29f9..a8b1b31f161c 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -258,6 +258,7 @@ struct hda_codec {
unsigned int power_save_node:1; /* advanced PM for each widget */
unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
unsigned int force_pin_prefix:1; /* Add location prefix */
+ unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
#ifdef CONFIG_PM
unsigned long power_on_acct;
unsigned long power_off_acct;
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 04e949aa01ad..4ff5320378e2 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -991,6 +991,7 @@ struct ca0132_spec {
enum {
QUIRK_NONE,
QUIRK_ALIENWARE,
+ QUIRK_ALIENWARE_M17XR4,
QUIRK_SBZ,
QUIRK_R3DI,
};
@@ -1040,6 +1041,7 @@ static const struct hda_pintbl r3di_pincfgs[] = {
};
static const struct snd_pci_quirk ca0132_quirks[] = {
+ SND_PCI_QUIRK(0x1028, 0x057b, "Alienware M17x R4", QUIRK_ALIENWARE_M17XR4),
SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE),
SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE),
SND_PCI_QUIRK(0x1028, 0x0708, "Alienware 15 R2 2016", QUIRK_ALIENWARE),
@@ -5663,7 +5665,7 @@ static const char * const ca0132_alt_slave_pfxs[] = {
* I think this has to do with the pin for rear surround being 0x11,
* and the center/lfe being 0x10. Usually the pin order is the opposite.
*/
-const struct snd_pcm_chmap_elem ca0132_alt_chmaps[] = {
+static const struct snd_pcm_chmap_elem ca0132_alt_chmaps[] = {
{ .channels = 2,
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
{ .channels = 4,
@@ -5966,7 +5968,7 @@ static int ca0132_build_pcms(struct hda_codec *codec)
info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adcs[0];
/* With the DSP enabled, desktops don't use this ADC. */
- if (spec->use_alt_functions) {
+ if (!spec->use_alt_functions) {
info = snd_hda_codec_pcm_new(codec, "CA0132 Analog Mic-In2");
if (!info)
return -ENOMEM;
@@ -6130,7 +6132,10 @@ static void ca0132_init_dmic(struct hda_codec *codec)
* Bit 6: set to select Data2, clear for Data1
* Bit 7: set to enable DMic, clear for AMic
*/
- val = 0x23;
+ if (spec->quirk == QUIRK_ALIENWARE_M17XR4)
+ val = 0x33;
+ else
+ val = 0x23;
/* keep a copy of dmic ctl val for enable/disable dmic purpuse */
spec->dmic_ctl = val;
snd_hda_codec_write(codec, spec->input_pins[0], 0,
@@ -7223,7 +7228,7 @@ static int ca0132_init(struct hda_codec *codec)
snd_hda_sequence_write(codec, spec->base_init_verbs);
- if (spec->quirk != QUIRK_NONE)
+ if (spec->use_alt_functions)
ca0132_alt_init(codec);
ca0132_download_dsp(codec);
@@ -7237,8 +7242,9 @@ static int ca0132_init(struct hda_codec *codec)
case QUIRK_R3DI:
r3di_setup_defaults(codec);
break;
- case QUIRK_NONE:
- case QUIRK_ALIENWARE:
+ case QUIRK_SBZ:
+ break;
+ default:
ca0132_setup_defaults(codec);
ca0132_init_analog_mic2(codec);
ca0132_init_dmic(codec);
@@ -7343,7 +7349,6 @@ static const struct hda_codec_ops ca0132_patch_ops = {
static void ca0132_config(struct hda_codec *codec)
{
struct ca0132_spec *spec = codec->spec;
- struct auto_pin_cfg *cfg = &spec->autocfg;
spec->dacs[0] = 0x2;
spec->dacs[1] = 0x3;
@@ -7405,12 +7410,7 @@ static void ca0132_config(struct hda_codec *codec)
/* SPDIF I/O */
spec->dig_out = 0x05;
spec->multiout.dig_out_nid = spec->dig_out;
- cfg->dig_out_pins[0] = 0x0c;
- cfg->dig_outs = 1;
- cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
spec->dig_in = 0x09;
- cfg->dig_in_pin = 0x0e;
- cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
break;
case QUIRK_R3DI:
codec_dbg(codec, "%s: QUIRK_R3DI applied.\n", __func__);
@@ -7438,9 +7438,6 @@ static void ca0132_config(struct hda_codec *codec)
/* SPDIF I/O */
spec->dig_out = 0x05;
spec->multiout.dig_out_nid = spec->dig_out;
- cfg->dig_out_pins[0] = 0x0c;
- cfg->dig_outs = 1;
- cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
break;
default:
spec->num_outputs = 2;
@@ -7463,12 +7460,7 @@ static void ca0132_config(struct hda_codec *codec)
/* SPDIF I/O */
spec->dig_out = 0x05;
spec->multiout.dig_out_nid = spec->dig_out;
- cfg->dig_out_pins[0] = 0x0c;
- cfg->dig_outs = 1;
- cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
spec->dig_in = 0x09;
- cfg->dig_in_pin = 0x0e;
- cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
break;
}
}
@@ -7476,7 +7468,7 @@ static void ca0132_config(struct hda_codec *codec)
static int ca0132_prepare_verbs(struct hda_codec *codec)
{
/* Verbs + terminator (an empty element) */
-#define NUM_SPEC_VERBS 4
+#define NUM_SPEC_VERBS 2
struct ca0132_spec *spec = codec->spec;
spec->chip_init_verbs = ca0132_init_verbs0;
@@ -7488,34 +7480,24 @@ static int ca0132_prepare_verbs(struct hda_codec *codec)
if (!spec->spec_init_verbs)
return -ENOMEM;
- /* HP jack autodetection */
- spec->spec_init_verbs[0].nid = spec->unsol_tag_hp;
- spec->spec_init_verbs[0].param = AC_VERB_SET_UNSOLICITED_ENABLE;
- spec->spec_init_verbs[0].verb = AC_USRSP_EN | spec->unsol_tag_hp;
-
- /* MIC1 jack autodetection */
- spec->spec_init_verbs[1].nid = spec->unsol_tag_amic1;
- spec->spec_init_verbs[1].param = AC_VERB_SET_UNSOLICITED_ENABLE;
- spec->spec_init_verbs[1].verb = AC_USRSP_EN | spec->unsol_tag_amic1;
-
/* config EAPD */
- spec->spec_init_verbs[2].nid = 0x0b;
- spec->spec_init_verbs[2].param = 0x78D;
- spec->spec_init_verbs[2].verb = 0x00;
+ spec->spec_init_verbs[0].nid = 0x0b;
+ spec->spec_init_verbs[0].param = 0x78D;
+ spec->spec_init_verbs[0].verb = 0x00;
/* Previously commented configuration */
/*
- spec->spec_init_verbs[3].nid = 0x0b;
- spec->spec_init_verbs[3].param = AC_VERB_SET_EAPD_BTLENABLE;
+ spec->spec_init_verbs[2].nid = 0x0b;
+ spec->spec_init_verbs[2].param = AC_VERB_SET_EAPD_BTLENABLE;
+ spec->spec_init_verbs[2].verb = 0x02;
+
+ spec->spec_init_verbs[3].nid = 0x10;
+ spec->spec_init_verbs[3].param = 0x78D;
spec->spec_init_verbs[3].verb = 0x02;
spec->spec_init_verbs[4].nid = 0x10;
- spec->spec_init_verbs[4].param = 0x78D;
+ spec->spec_init_verbs[4].param = AC_VERB_SET_EAPD_BTLENABLE;
spec->spec_init_verbs[4].verb = 0x02;
-
- spec->spec_init_verbs[5].nid = 0x10;
- spec->spec_init_verbs[5].param = AC_VERB_SET_EAPD_BTLENABLE;
- spec->spec_init_verbs[5].verb = 0x02;
*/
/* Terminator: spec->spec_init_verbs[NUM_SPEC_VERBS-1] */
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 8840daf9c6a3..98e1c411c56a 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -3741,6 +3741,11 @@ static int patch_atihdmi(struct hda_codec *codec)
spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
+ /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
+ * the link-down as is. Tell the core to allow it.
+ */
+ codec->link_down_at_suspend = 1;
+
return 0;
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e9bd33ea538f..5ad6c7e5f92e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2545,6 +2545,7 @@ static const struct snd_pci_quirk alc262_fixup_tbl[] = {
SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu Lifebook S7110", ALC262_FIXUP_FSC_S7110),
SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FIXUP_BENQ),
SND_PCI_QUIRK(0x10f1, 0x2915, "Tyan Thunder n6650W", ALC262_FIXUP_TYAN),
+ SND_PCI_QUIRK(0x1734, 0x1141, "FSC ESPRIMO U9210", ALC262_FIXUP_FSC_H270),
SND_PCI_QUIRK(0x1734, 0x1147, "FSC Celsius H270", ALC262_FIXUP_FSC_H270),
SND_PCI_QUIRK(0x17aa, 0x384e, "Lenovo 3000", ALC262_FIXUP_LENOVO_3000),
SND_PCI_QUIRK(0x17ff, 0x0560, "Benq ED8", ALC262_FIXUP_BENQ),
@@ -4995,7 +4996,6 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec,
struct alc_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
- spec->shutup = alc_no_shutup; /* reduce click noise */
spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */
spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
codec->power_save_node = 0; /* avoid click noises */
@@ -5394,6 +5394,13 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec,
/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"
+static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ alc_fixup_no_shutup(codec, fix, action); /* reduce click noise */
+ hda_fixup_thinkpad_acpi(codec, fix, action);
+}
+
/* for dell wmi mic mute led */
#include "dell_wmi_helper.c"
@@ -5946,7 +5953,7 @@ static const struct hda_fixup alc269_fixups[] = {
},
[ALC269_FIXUP_THINKPAD_ACPI] = {
.type = HDA_FIXUP_FUNC,
- .v.func = hda_fixup_thinkpad_acpi,
+ .v.func = alc_fixup_thinkpad_acpi,
.chained = true,
.chain_id = ALC269_FIXUP_SKU_IGNORE,
},
@@ -6603,8 +6610,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x312a, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
- SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x3136, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
@@ -6782,6 +6790,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
{0x14, 0x90170110},
{0x19, 0x02a11030},
{0x21, 0x02211020}),
+ SND_HDA_PIN_QUIRK(0x10ec0235, 0x17aa, "Lenovo", ALC294_FIXUP_LENOVO_MIC_LOCATION,
+ {0x14, 0x90170110},
+ {0x19, 0x02a11030},
+ {0x1a, 0x02a11040},
+ {0x1b, 0x01014020},
+ {0x21, 0x0221101f}),
SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x12, 0x90a60140},
{0x14, 0x90170110},
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index 6c85f13ab23f..54f6252faca6 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -1018,6 +1018,7 @@ static int snd_lx6464es_create(struct snd_card *card,
chip->port_dsp_bar = pci_ioremap_bar(pci, 2);
if (!chip->port_dsp_bar) {
dev_err(card->dev, "cannot remap PCI memory region\n");
+ err = -ENOMEM;
goto remap_pci_failed;
}
diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h
index caae4843cb70..16e006f708ca 100644
--- a/tools/arch/arm/include/uapi/asm/kvm.h
+++ b/tools/arch/arm/include/uapi/asm/kvm.h
@@ -91,6 +91,7 @@ struct kvm_regs {
#define KVM_VGIC_V3_ADDR_TYPE_DIST 2
#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3
#define KVM_VGIC_ITS_ADDR_TYPE 4
+#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5
#define KVM_VGIC_V3_DIST_SIZE SZ_64K
#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K)
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index 04b3256f8e6d..4e76630dd655 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -91,6 +91,7 @@ struct kvm_regs {
#define KVM_VGIC_V3_ADDR_TYPE_DIST 2
#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3
#define KVM_VGIC_ITS_ADDR_TYPE 4
+#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5
#define KVM_VGIC_V3_DIST_SIZE SZ_64K
#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K)
diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h
index 833ed9a16adf..1b32b56a03d3 100644
--- a/tools/arch/powerpc/include/uapi/asm/kvm.h
+++ b/tools/arch/powerpc/include/uapi/asm/kvm.h
@@ -633,6 +633,7 @@ struct kvm_ppc_cpu_char {
#define KVM_REG_PPC_PSSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd)
#define KVM_REG_PPC_DEC_EXPIRY (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe)
+#define KVM_REG_PPC_ONLINE (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbf)
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs
diff --git a/tools/arch/powerpc/include/uapi/asm/unistd.h b/tools/arch/powerpc/include/uapi/asm/unistd.h
index 389c36fd8299..ac5ba55066dd 100644
--- a/tools/arch/powerpc/include/uapi/asm/unistd.h
+++ b/tools/arch/powerpc/include/uapi/asm/unistd.h
@@ -398,5 +398,6 @@
#define __NR_pkey_alloc 384
#define __NR_pkey_free 385
#define __NR_pkey_mprotect 386
+#define __NR_rseq 387
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index fb00a2fca990..5701f5cecd31 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -282,7 +282,9 @@
#define X86_FEATURE_AMD_IBPB (13*32+12) /* "" Indirect Branch Prediction Barrier */
#define X86_FEATURE_AMD_IBRS (13*32+14) /* "" Indirect Branch Restricted Speculation */
#define X86_FEATURE_AMD_STIBP (13*32+15) /* "" Single Thread Indirect Branch Predictors */
+#define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */
#define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */
+#define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
/* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
#define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */
diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h
index 6fdff5945c8a..9c660e1688ab 100644
--- a/tools/include/uapi/drm/drm.h
+++ b/tools/include/uapi/drm/drm.h
@@ -680,6 +680,13 @@ struct drm_get_cap {
*/
#define DRM_CLIENT_CAP_ATOMIC 3
+/**
+ * DRM_CLIENT_CAP_ASPECT_RATIO
+ *
+ * If set to 1, the DRM core will provide aspect ratio information in modes.
+ */
+#define DRM_CLIENT_CAP_ASPECT_RATIO 4
+
/** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
struct drm_set_client_cap {
__u64 capability;
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index e0b06784f227..59b19b6a40d7 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2630,7 +2630,7 @@ struct bpf_fib_lookup {
union {
/* inputs to lookup */
__u8 tos; /* AF_INET */
- __be32 flowlabel; /* AF_INET6 */
+ __be32 flowinfo; /* AF_INET6, flow_label + priority */
/* output: metric of fib result (IPv4/IPv6 only) */
__u32 rt_metric;
diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
index 68699f654118..cf01b6824244 100644
--- a/tools/include/uapi/linux/if_link.h
+++ b/tools/include/uapi/linux/if_link.h
@@ -333,6 +333,7 @@ enum {
IFLA_BRPORT_BCAST_FLOOD,
IFLA_BRPORT_GROUP_FWD_MASK,
IFLA_BRPORT_NEIGH_SUPPRESS,
+ IFLA_BRPORT_ISOLATED,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
@@ -516,6 +517,7 @@ enum {
IFLA_VXLAN_COLLECT_METADATA,
IFLA_VXLAN_LABEL,
IFLA_VXLAN_GPE,
+ IFLA_VXLAN_TTL_INHERIT,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 39e364c70caf..b6270a3b38e9 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -948,6 +948,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_S390_BPB 152
#define KVM_CAP_GET_MSR_FEATURES 153
#define KVM_CAP_HYPERV_EVENTFD 154
+#define KVM_CAP_HYPERV_TLBFLUSH 155
#ifdef KVM_CAP_IRQ_ROUTING
diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
index 3598b8b75d27..ef5d59a5742e 100644
--- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c
+++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
@@ -243,7 +243,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
u64 ip;
u64 skip_slot = -1;
- if (chain->nr < 3)
+ if (!chain || chain->nr < 3)
return skip_slot;
ip = chain->ips[2];
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 4dfe42666d0c..f0b1709a5ffb 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -341,6 +341,8 @@
330 common pkey_alloc __x64_sys_pkey_alloc
331 common pkey_free __x64_sys_pkey_free
332 common statx __x64_sys_statx
+333 common io_pgetevents __x64_sys_io_pgetevents
+334 common rseq __x64_sys_rseq
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 63eb49082774..44195514b19e 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1098,7 +1098,7 @@ static void *worker_thread(void *__tdata)
u8 *global_data;
u8 *process_data;
u8 *thread_data;
- u64 bytes_done;
+ u64 bytes_done, secs;
long work_done;
u32 l;
struct rusage rusage;
@@ -1254,7 +1254,8 @@ static void *worker_thread(void *__tdata)
timersub(&stop, &start0, &diff);
td->runtime_ns = diff.tv_sec * NSEC_PER_SEC;
td->runtime_ns += diff.tv_usec * NSEC_PER_USEC;
- td->speed_gbs = bytes_done / (td->runtime_ns / NSEC_PER_SEC) / 1e9;
+ secs = td->runtime_ns / NSEC_PER_SEC;
+ td->speed_gbs = secs ? bytes_done / secs / 1e9 : 0;
getrusage(RUSAGE_THREAD, &rusage);
td->system_time_ns = rusage.ru_stime.tv_sec * NSEC_PER_SEC;
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 5eb22cc56363..8180319285af 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -283,6 +283,15 @@ out_put:
return ret;
}
+static int process_feature_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session)
+{
+ if (event->feat.feat_id < HEADER_LAST_FEATURE)
+ return perf_event__process_feature(tool, event, session);
+ return 0;
+}
+
static int hist_entry__tty_annotate(struct hist_entry *he,
struct perf_evsel *evsel,
struct perf_annotate *ann)
@@ -471,7 +480,7 @@ int cmd_annotate(int argc, const char **argv)
.attr = perf_event__process_attr,
.build_id = perf_event__process_build_id,
.tracing_data = perf_event__process_tracing_data,
- .feature = perf_event__process_feature,
+ .feature = process_feature_event,
.ordered_events = true,
.ordering_requires_timestamps = true,
},
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index cdb5b6949832..c04dc7b53797 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -217,7 +217,8 @@ static int process_feature_event(struct perf_tool *tool,
}
/*
- * All features are received, we can force the
+ * (feat_id = HEADER_LAST_FEATURE) is the end marker which
+ * means all features are received, now we can force the
* group if needed.
*/
setup_forced_leader(rep, session->evlist);
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index a31d7082188e..568ddfac3213 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1834,6 +1834,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
struct perf_evlist *evlist;
struct perf_evsel *evsel, *pos;
int err;
+ static struct perf_evsel_script *es;
err = perf_event__process_attr(tool, event, pevlist);
if (err)
@@ -1842,6 +1843,19 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
evlist = *pevlist;
evsel = perf_evlist__last(*pevlist);
+ if (!evsel->priv) {
+ if (scr->per_event_dump) {
+ evsel->priv = perf_evsel_script__new(evsel,
+ scr->session->data);
+ } else {
+ es = zalloc(sizeof(*es));
+ if (!es)
+ return -ENOMEM;
+ es->fp = stdout;
+ evsel->priv = es;
+ }
+ }
+
if (evsel->attr.type >= PERF_TYPE_MAX &&
evsel->attr.type != PERF_TYPE_SYNTH)
return 0;
@@ -3030,6 +3044,15 @@ int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
return set_maps(script);
}
+static int process_feature_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session)
+{
+ if (event->feat.feat_id < HEADER_LAST_FEATURE)
+ return perf_event__process_feature(tool, event, session);
+ return 0;
+}
+
#ifdef HAVE_AUXTRACE_SUPPORT
static int perf_script__process_auxtrace_info(struct perf_tool *tool,
union perf_event *event,
@@ -3074,7 +3097,7 @@ int cmd_script(int argc, const char **argv)
.attr = process_attr,
.event_update = perf_event__process_event_update,
.tracing_data = perf_event__process_tracing_data,
- .feature = perf_event__process_feature,
+ .feature = process_feature_event,
.build_id = perf_event__process_build_id,
.id_index = perf_event__process_id_index,
.auxtrace_info = perf_script__process_auxtrace_info,
@@ -3125,8 +3148,9 @@ int cmd_script(int argc, const char **argv)
"+field to add and -field to remove."
"Valid types: hw,sw,trace,raw,synth. "
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
- "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
- "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
+ "addr,symoff,srcline,period,iregs,uregs,brstack,"
+ "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
+ "callindent,insn,insnlen,synth,phys_addr,metric,misc",
parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 7d4077068454..61211918bfba 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1309,6 +1309,11 @@ static int test__checkevent_config_cache(struct perf_evlist *evlist)
return 0;
}
+static bool test__intel_pt_valid(void)
+{
+ return !!perf_pmu__find("intel_pt");
+}
+
static int test__intel_pt(struct perf_evlist *evlist)
{
struct perf_evsel *evsel = perf_evlist__first(evlist);
@@ -1375,6 +1380,7 @@ struct evlist_test {
const char *name;
__u32 type;
const int id;
+ bool (*valid)(void);
int (*check)(struct perf_evlist *evlist);
};
@@ -1648,6 +1654,7 @@ static struct evlist_test test__events[] = {
},
{
.name = "intel_pt//u",
+ .valid = test__intel_pt_valid,
.check = test__intel_pt,
.id = 52,
},
@@ -1686,17 +1693,24 @@ static struct terms_test test__terms[] = {
static int test_event(struct evlist_test *e)
{
+ struct parse_events_error err = { .idx = 0, };
struct perf_evlist *evlist;
int ret;
+ if (e->valid && !e->valid()) {
+ pr_debug("... SKIP");
+ return 0;
+ }
+
evlist = perf_evlist__new();
if (evlist == NULL)
return -ENOMEM;
- ret = parse_events(evlist, e->name, NULL);
+ ret = parse_events(evlist, e->name, &err);
if (ret) {
- pr_debug("failed to parse event '%s', err %d\n",
- e->name, ret);
+ pr_debug("failed to parse event '%s', err %d, str '%s'\n",
+ e->name, ret, err.str);
+ parse_events_print_error(&err, e->name);
} else {
ret = e->check(evlist);
}
@@ -1714,10 +1728,11 @@ static int test_events(struct evlist_test *events, unsigned cnt)
for (i = 0; i < cnt; i++) {
struct evlist_test *e = &events[i];
- pr_debug("running test %d '%s'\n", e->id, e->name);
+ pr_debug("running test %d '%s'", e->id, e->name);
ret1 = test_event(e);
if (ret1)
ret2 = ret1;
+ pr_debug("\n");
}
return ret2;
@@ -1799,7 +1814,7 @@ static int test_pmu_events(void)
}
while (!ret && (ent = readdir(dir))) {
- struct evlist_test e;
+ struct evlist_test e = { .id = 0, };
char name[2 * NAME_MAX + 1 + 12 + 3];
/* Names containing . are special and cannot be used directly */
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 40e30a26b23c..9497d02f69e6 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -45,6 +45,7 @@ static int session_write_header(char *path)
perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
perf_header__set_feat(&session->header, HEADER_NRCPUS);
+ perf_header__set_feat(&session->header, HEADER_ARCH);
session->header.data_size += DATA_SIZE;
diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp
index bf31ceab33bd..89512504551b 100644
--- a/tools/perf/util/c++/clang.cpp
+++ b/tools/perf/util/c++/clang.cpp
@@ -146,8 +146,15 @@ getBPFObjectFromModule(llvm::Module *Module)
raw_svector_ostream ostream(*Buffer);
legacy::PassManager PM;
- if (TargetMachine->addPassesToEmitFile(PM, ostream,
- TargetMachine::CGFT_ObjectFile)) {
+ bool NotAdded;
+#if CLANG_VERSION_MAJOR < 7
+ NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream,
+ TargetMachine::CGFT_ObjectFile);
+#else
+ NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream, nullptr,
+ TargetMachine::CGFT_ObjectFile);
+#endif
+ if (NotAdded) {
llvm::errs() << "TargetMachine can't emit a file of this type\n";
return std::unique_ptr<llvm::SmallVectorImpl<char>>(nullptr);;
}
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 540cd2dcd3e7..653ff65aa2c3 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2129,6 +2129,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
int cpu_nr = ff->ph->env.nr_cpus_avail;
u64 size = 0;
struct perf_header *ph = ff->ph;
+ bool do_core_id_test = true;
ph->env.cpu = calloc(cpu_nr, sizeof(*ph->env.cpu));
if (!ph->env.cpu)
@@ -2183,6 +2184,13 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
return 0;
}
+ /* On s390 the socket_id number is not related to the numbers of cpus.
+ * The socket_id number might be higher than the numbers of cpus.
+ * This depends on the configuration.
+ */
+ if (ph->env.arch && !strncmp(ph->env.arch, "s390", 4))
+ do_core_id_test = false;
+
for (i = 0; i < (u32)cpu_nr; i++) {
if (do_read_u32(ff, &nr))
goto free_cpu;
@@ -2192,7 +2200,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
if (do_read_u32(ff, &nr))
goto free_cpu;
- if (nr != (u32)-1 && nr > (u32)cpu_nr) {
+ if (do_core_id_test && nr != (u32)-1 && nr > (u32)cpu_nr) {
pr_debug("socket_id number is too big."
"You may need to upgrade the perf tool.\n");
goto free_cpu;
@@ -3456,7 +3464,7 @@ int perf_event__process_feature(struct perf_tool *tool,
pr_warning("invalid record type %d in pipe-mode\n", type);
return 0;
}
- if (feat == HEADER_RESERVED || feat > HEADER_LAST_FEATURE) {
+ if (feat == HEADER_RESERVED || feat >= HEADER_LAST_FEATURE) {
pr_warning("invalid record type %d in pipe-mode\n", type);
return -1;
}
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index ba4c9dd18643..d426761a549d 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,
if (len < offs)
return INTEL_PT_NEED_MORE_BYTES;
byte = buf[offs++];
- payload |= (byte >> 1) << shift;
+ payload |= ((uint64_t)byte >> 1) << shift;
}
packet->type = INTEL_PT_CYC;
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index d2fb597c9a8c..3ba6a1742f91 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -234,6 +234,74 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias *alias,
return 0;
}
+static void perf_pmu_assign_str(char *name, const char *field, char **old_str,
+ char **new_str)
+{
+ if (!*old_str)
+ goto set_new;
+
+ if (*new_str) { /* Have new string, check with old */
+ if (strcasecmp(*old_str, *new_str))
+ pr_debug("alias %s differs in field '%s'\n",
+ name, field);
+ zfree(old_str);
+ } else /* Nothing new --> keep old string */
+ return;
+set_new:
+ *old_str = *new_str;
+ *new_str = NULL;
+}
+
+static void perf_pmu_update_alias(struct perf_pmu_alias *old,
+ struct perf_pmu_alias *newalias)
+{
+ perf_pmu_assign_str(old->name, "desc", &old->desc, &newalias->desc);
+ perf_pmu_assign_str(old->name, "long_desc", &old->long_desc,
+ &newalias->long_desc);
+ perf_pmu_assign_str(old->name, "topic", &old->topic, &newalias->topic);
+ perf_pmu_assign_str(old->name, "metric_expr", &old->metric_expr,
+ &newalias->metric_expr);
+ perf_pmu_assign_str(old->name, "metric_name", &old->metric_name,
+ &newalias->metric_name);
+ perf_pmu_assign_str(old->name, "value", &old->str, &newalias->str);
+ old->scale = newalias->scale;
+ old->per_pkg = newalias->per_pkg;
+ old->snapshot = newalias->snapshot;
+ memcpy(old->unit, newalias->unit, sizeof(old->unit));
+}
+
+/* Delete an alias entry. */
+static void perf_pmu_free_alias(struct perf_pmu_alias *newalias)
+{
+ zfree(&newalias->name);
+ zfree(&newalias->desc);
+ zfree(&newalias->long_desc);
+ zfree(&newalias->topic);
+ zfree(&newalias->str);
+ zfree(&newalias->metric_expr);
+ zfree(&newalias->metric_name);
+ parse_events_terms__purge(&newalias->terms);
+ free(newalias);
+}
+
+/* Merge an alias, search in alias list. If this name is already
+ * present merge both of them to combine all information.
+ */
+static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias,
+ struct list_head *alist)
+{
+ struct perf_pmu_alias *a;
+
+ list_for_each_entry(a, alist, list) {
+ if (!strcasecmp(newalias->name, a->name)) {
+ perf_pmu_update_alias(a, newalias);
+ perf_pmu_free_alias(newalias);
+ return true;
+ }
+ }
+ return false;
+}
+
static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
char *desc, char *val,
char *long_desc, char *topic,
@@ -241,9 +309,11 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
char *metric_expr,
char *metric_name)
{
+ struct parse_events_term *term;
struct perf_pmu_alias *alias;
int ret;
int num;
+ char newval[256];
alias = malloc(sizeof(*alias));
if (!alias)
@@ -262,6 +332,27 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
return ret;
}
+ /* Scan event and remove leading zeroes, spaces, newlines, some
+ * platforms have terms specified as
+ * event=0x0091 (read from files ../<PMU>/events/<FILE>
+ * and terms specified as event=0x91 (read from JSON files).
+ *
+ * Rebuild string to make alias->str member comparable.
+ */
+ memset(newval, 0, sizeof(newval));
+ ret = 0;
+ list_for_each_entry(term, &alias->terms, list) {
+ if (ret)
+ ret += scnprintf(newval + ret, sizeof(newval) - ret,
+ ",");
+ if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
+ ret += scnprintf(newval + ret, sizeof(newval) - ret,
+ "%s=%#x", term->config, term->val.num);
+ else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR)
+ ret += scnprintf(newval + ret, sizeof(newval) - ret,
+ "%s=%s", term->config, term->val.str);
+ }
+
alias->name = strdup(name);
if (dir) {
/*
@@ -285,9 +376,10 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
snprintf(alias->unit, sizeof(alias->unit), "%s", unit);
}
alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1;
- alias->str = strdup(val);
+ alias->str = strdup(newval);
- list_add_tail(&alias->list, list);
+ if (!perf_pmu_merge_alias(alias, list))
+ list_add_tail(&alias->list, list);
return 0;
}
@@ -303,6 +395,9 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI
buf[ret] = 0;
+ /* Remove trailing newline from sysfs file */
+ rtrim(buf);
+
return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL, NULL,
NULL, NULL, NULL);
}
diff --git a/tools/testing/selftests/x86/sigreturn.c b/tools/testing/selftests/x86/sigreturn.c
index 246145b84a12..4d9dc3f2fd70 100644
--- a/tools/testing/selftests/x86/sigreturn.c
+++ b/tools/testing/selftests/x86/sigreturn.c
@@ -610,21 +610,41 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
*/
for (int i = 0; i < NGREG; i++) {
greg_t req = requested_regs[i], res = resulting_regs[i];
+
if (i == REG_TRAPNO || i == REG_IP)
continue; /* don't care */
- if (i == REG_SP) {
- printf("\tSP: %llx -> %llx\n", (unsigned long long)req,
- (unsigned long long)res);
+ if (i == REG_SP) {
/*
- * In many circumstances, the high 32 bits of rsp
- * are zeroed. For example, we could be a real
- * 32-bit program, or we could hit any of a number
- * of poorly-documented IRET or segmented ESP
- * oddities. If this happens, it's okay.
+ * If we were using a 16-bit stack segment, then
+ * the kernel is a bit stuck: IRET only restores
+ * the low 16 bits of ESP/RSP if SS is 16-bit.
+ * The kernel uses a hack to restore bits 31:16,
+ * but that hack doesn't help with bits 63:32.
+ * On Intel CPUs, bits 63:32 end up zeroed, and, on
+ * AMD CPUs, they leak the high bits of the kernel
+ * espfix64 stack pointer. There's very little that
+ * the kernel can do about it.
+ *
+ * Similarly, if we are returning to a 32-bit context,
+ * the CPU will often lose the high 32 bits of RSP.
*/
- if (res == (req & 0xFFFFFFFF))
- continue; /* OK; not expected to work */
+
+ if (res == req)
+ continue;
+
+ if (cs_bits != 64 && ((res ^ req) & 0xFFFFFFFF) == 0) {
+ printf("[NOTE]\tSP: %llx -> %llx\n",
+ (unsigned long long)req,
+ (unsigned long long)res);
+ continue;
+ }
+
+ printf("[FAIL]\tSP mismatch: requested 0x%llx; got 0x%llx\n",
+ (unsigned long long)requested_regs[i],
+ (unsigned long long)resulting_regs[i]);
+ nerrs++;
+ continue;
}
bool ignore_reg = false;
@@ -654,25 +674,18 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
#endif
/* Sanity check on the kernel */
- if (i == REG_CX && requested_regs[i] != resulting_regs[i]) {
+ if (i == REG_CX && req != res) {
printf("[FAIL]\tCX (saved SP) mismatch: requested 0x%llx; got 0x%llx\n",
- (unsigned long long)requested_regs[i],
- (unsigned long long)resulting_regs[i]);
+ (unsigned long long)req,
+ (unsigned long long)res);
nerrs++;
continue;
}
- if (requested_regs[i] != resulting_regs[i] && !ignore_reg) {
- /*
- * SP is particularly interesting here. The
- * usual cause of failures is that we hit the
- * nasty IRET case of returning to a 16-bit SS,
- * in which case bits 16:31 of the *kernel*
- * stack pointer persist in ESP.
- */
+ if (req != res && !ignore_reg) {
printf("[FAIL]\tReg %d mismatch: requested 0x%llx; got 0x%llx\n",
- i, (unsigned long long)requested_regs[i],
- (unsigned long long)resulting_regs[i]);
+ i, (unsigned long long)req,
+ (unsigned long long)res);
nerrs++;
}
}
diff --git a/tools/virtio/linux/scatterlist.h b/tools/virtio/linux/scatterlist.h
index 9a45f90e2d08..369ee308b668 100644
--- a/tools/virtio/linux/scatterlist.h
+++ b/tools/virtio/linux/scatterlist.h
@@ -36,7 +36,6 @@ static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
*/
BUG_ON((unsigned long) page & 0x03);
#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
BUG_ON(sg_is_chain(sg));
#endif
sg->page_link = page_link | (unsigned long) page;
@@ -67,7 +66,6 @@ static inline void sg_set_page(struct scatterlist *sg, struct page *page,
static inline struct page *sg_page(struct scatterlist *sg)
{
#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
BUG_ON(sg_is_chain(sg));
#endif
return (struct page *)((sg)->page_link & ~0x3);
@@ -116,9 +114,6 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
**/
static inline void sg_mark_end(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
/*
* Set termination bit, clear potential chain bit
*/
@@ -136,17 +131,11 @@ static inline void sg_mark_end(struct scatterlist *sg)
**/
static inline void sg_unmark_end(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
sg->page_link &= ~0x02;
}
static inline struct scatterlist *sg_next(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
if (sg_is_last(sg))
return NULL;
@@ -160,13 +149,6 @@ static inline struct scatterlist *sg_next(struct scatterlist *sg)
static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
{
memset(sgl, 0, sizeof(*sgl) * nents);
-#ifdef CONFIG_DEBUG_SG
- {
- unsigned int i;
- for (i = 0; i < nents; i++)
- sgl[i].sg_magic = SG_MAGIC;
- }
-#endif
sg_mark_end(&sgl[nents - 1]);
}