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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-10 09:47:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-10 09:47:26 -0700
commit523a05fc681d139ca98a083fa6685ef22c600326 (patch)
treee82a7d5a63578b1fbe5b830e9a52ae226386f0b6 /arch
parentc0cc271173b2e1c2d8d0ceaef14e4dfa79eefc0d (diff)
parent2bc55eaeb88d30accfc1b6ac2708d4e4b81ca260 (diff)
downloadlinux-stericsson-523a05fc681d139ca98a083fa6685ef22c600326.tar.gz
Merge tag 's390-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik: "Second round of s390 fixes and features for 5.7: - The rest of fallthrough; annotations conversion - Couple of fixes for ADD uevents in the common I/O layer - Minor refactoring of the queued direct I/O code" * tag 's390-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/cio: generate delayed uevent for vfio-ccw subchannels s390/cio: avoid duplicated 'ADD' uevents s390/qdio: clear DSCI early for polling drivers s390/qdio: inline shared_ind() s390/qdio: remove cdev from init_data s390/qdio: allow for non-contiguous SBAL array in init_data zfcp: inline zfcp_qdio_setup_init_data() s390/qdio: cleanly split alloc and establish s390/mm: use fallthrough;
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/include/asm/qdio.h16
-rw-r--r--arch/s390/mm/fault.c2
2 files changed, 8 insertions, 10 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index e577f8533009..86a3796e9be8 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -325,7 +325,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
/**
* struct qdio_initialize - qdio initialization data
- * @cdev: associated ccw device
* @q_format: queue format
* @qdr_ac: feature flags to set
* @adapter_name: name for the adapter
@@ -341,12 +340,11 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
* @irq_poll: Data IRQ polling handler (NULL when not supported)
* @scan_threshold: # of in-use buffers that triggers scan on output queue
* @int_parm: interruption parameter
- * @input_sbal_addr_array: address of no_input_qs * 128 pointers
- * @output_sbal_addr_array: address of no_output_qs * 128 pointers
+ * @input_sbal_addr_array: per-queue array, each element points to 128 SBALs
+ * @output_sbal_addr_array: per-queue array, each element points to 128 SBALs
* @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL)
*/
struct qdio_initialize {
- struct ccw_device *cdev;
unsigned char q_format;
unsigned char qdr_ac;
unsigned char adapter_name[8];
@@ -362,8 +360,8 @@ struct qdio_initialize {
void (*irq_poll)(struct ccw_device *cdev, unsigned long data);
unsigned int scan_threshold;
unsigned long int_parm;
- struct qdio_buffer **input_sbal_addr_array;
- struct qdio_buffer **output_sbal_addr_array;
+ struct qdio_buffer ***input_sbal_addr_array;
+ struct qdio_buffer ***output_sbal_addr_array;
struct qdio_outbuf_state *output_sbal_state_array;
};
@@ -408,8 +406,10 @@ int qdio_alloc_buffers(struct qdio_buffer **buf, unsigned int count);
void qdio_free_buffers(struct qdio_buffer **buf, unsigned int count);
void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count);
-extern int qdio_allocate(struct qdio_initialize *);
-extern int qdio_establish(struct qdio_initialize *);
+extern int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs,
+ unsigned int no_output_qs);
+extern int qdio_establish(struct ccw_device *cdev,
+ struct qdio_initialize *init_data);
extern int qdio_activate(struct ccw_device *);
extern void qdio_release_aob(struct qaob *);
extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int,
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index d56f67745e3e..1bf091bab918 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -852,9 +852,7 @@ void do_secure_storage_access(struct pt_regs *regs)
BUG();
break;
case VDSO_FAULT:
- /* fallthrough */
case GMAP_FAULT:
- /* fallthrough */
default:
do_fault_error(regs, VM_READ | VM_WRITE, VM_FAULT_BADMAP);
WARN_ON_ONCE(1);