path: root/Documentation
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-23 16:54:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-23 16:54:46 -0800
commit6ac3bb167fed0b3d02b4fd3daa0d819841d5f6f4 (patch)
tree49f73d917f1cd7d848e9a48c9efffea8ab2f7142 /Documentation
parenteb3e8d9de28a5385f75e5c42eba5fb5b0c7625be (diff)
parentc280f7736ab26a601932b1ce017a3840dbedcfdc (diff)
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar: "There's a number of fixes: - a round of fixes for CPUID-less legacy CPUs - a number of microcode loader fixes - i8042 detection robustization fixes - stack dump/unwinder fixes - x86 SoC platform driver fixes - a GCC 7 warning fix - virtualization related fixes" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) Revert "x86/unwind: Detect bad stack return address" x86/paravirt: Mark unused patch_default label x86/microcode/AMD: Reload proper initrd start address x86/platform/intel/quark: Add printf attribute to imr_self_test_result() x86/platform/intel-mid: Switch MPU3050 driver to IIO x86/alternatives: Do not use sync_core() to serialize I$ x86/topology: Document cpu_llc_id x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic x86/asm: Rewrite sync_core() to use IRET-to-self x86/microcode/intel: Replace sync_core() with native_cpuid() Revert "x86/boot: Fail the boot if !M486 and CPUID is missing" x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels x86/cpu: Probe CPUID leaf 6 even when cpuid_level == 6 x86/tools: Fix gcc-7 warning in relocs.c x86/unwind: Dump stack data on warnings x86/unwind: Adjust last frame check for aligned function stacks x86/init: Fix a couple of comment typos x86/init: Remove i8042_detect() from platform ops Input: i8042 - Trust firmware a bit more when probing on X86 x86/init: Add i8042 state to the platform data ...
Diffstat (limited to 'Documentation')
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/x86/topology.txt b/Documentation/x86/topology.txt
index 06afac252f5b..f3e9d7e9ed6c 100644
--- a/Documentation/x86/topology.txt
+++ b/Documentation/x86/topology.txt
@@ -63,6 +63,15 @@ The topology of a system is described in the units of:
The maximum possible number of packages in the system. Helpful for per
package facilities to preallocate per package information.
+ - cpu_llc_id:
+ A per-CPU variable containing:
+ - On Intel, the first APIC ID of the list of CPUs sharing the Last Level
+ Cache
+ - On AMD, the Node ID or Core Complex ID containing the Last Level
+ Cache. In general, it is a number identifying an LLC uniquely on the
+ system.
* Cores: