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linux/arch/x86/kernel/cpu
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Borislav Petkov fd258dc444 x86/mce: Add Skylake quirk for patrol scrub reported errors 
The patrol scrubber in Skylake and Cascade Lake systems can be configured
to report uncorrected errors using a special signature in the machine
check bank and to signal using CMCI instead of machine check.

Update the severity calculation mechanism to allow specifying the model,
minimum stepping and range of machine check bank numbers.

Add a new rule to detect the special signature (on model 0x55, stepping
>=4 in any of the memory controller banks).

 [ bp: Rewrite it.
   aegl: Productize it. ]

Suggested-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200930021313.31810-2-tony.luck@intel.com
2020-09-30 07:43:56 +02:00
..
mce x86/mce: Add Skylake quirk for patrol scrub reported errors 2020-09-30 07:43:56 +02:00
microcode x86/microcode: Do not select FW_LOADER 2020-06-15 11:59:19 +02:00
mtrr x86/tlb: Move __flush_tlb() out of line 2020-04-26 11:00:05 +02:00
resctrl x86/resctrl: Fix a NULL vs IS_ERR() static checker warning in rdt_cdp_peer_get() 2020-06-17 12:18:34 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
acrn.c x86/acrn: Remove redundant chars from ACRN signature 2020-08-07 01:32:00 +02:00
amd.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
aperfmperf.c x86/cpu: Disable frequency requests via aperfmperf IPI for nohz_full CPUs 2019-06-22 17:23:48 +02:00
bugs.c x86/bugs/multihit: Fix mitigation reporting when VMX is not in use 2020-08-07 01:32:00 +02:00
cacheinfo.c x86/cacheinfo: Fix a -Wtype-limits warning 2019-06-19 19:21:32 +02:00
centaur.c x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup 2020-06-15 14:18:37 +02:00
common.c A set of locking fixes and updates: 2020-08-10 19:07:44 -07:00
cpu.h x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup 2020-06-15 14:18:37 +02:00
cpuid-deps.c x86/cpufeatures: Enable a new AVX512 CPU feature 2019-07-22 10:38:25 +02:00
cyrix.c x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors 2019-03-21 12:28:50 +01:00
feat_ctl.c x86/cpu: Fix a -Wmissing-prototypes warning for init_ia32_feat_ctl() 2020-03-23 12:01:59 +01:00
hygon.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
hypervisor.c x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable 2019-07-17 08:09:59 +02:00
intel.c A set of locking fixes and updates: 2020-08-10 19:07:44 -07:00
intel_epb.c x86: intel_epb: Do not build when CONFIG_PM is unset 2019-05-30 10:58:36 +02:00
intel_pconfig.c x86/pconfig: Detect PCONFIG targets 2018-03-12 12:10:54 +01:00
Makefile kbuild: remove cc-option test of -fno-stack-protector 2020-07-07 11:13:10 +09:00
match.c x86/cpu: Add a steppings field to struct x86_cpu_id 2020-04-20 12:19:21 +02:00
mkcapflags.sh x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_* 2020-01-13 18:36:02 +01:00
mshyperv.c x86/hyperv: Make hv_setup_sched_clock inline 2020-08-11 10:41:15 +00:00
perfctr-watchdog.c x86/perf: Add hardware performance events support for Zhaoxin CPU. 2020-04-30 20:14:35 +02:00
powerflags.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
proc.c x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_* 2020-01-13 18:36:02 +01:00
rdrand.c x86/rdrand: Sanity-check RDRAND output 2019-10-01 19:55:32 +02:00
scattered.c x86/mm/pat: Rename <asm/pat.h> => <asm/memtype.h> 2019-12-10 10:12:55 +01:00
topology.c x86/mm/pat: Rename <asm/pat.h> => <asm/memtype.h> 2019-12-10 10:12:55 +01:00
transmeta.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tsx.c Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-01-28 12:46:42 -08:00
umc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
umwait.c KVM: VMX: Stop context switching MSR_IA32_UMWAIT_CONTROL 2020-06-22 20:54:57 -04:00
vmware.c x86/vmware: Use bool type for vmw_sched_clock 2020-03-24 10:29:22 +01:00
zhaoxin.c x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup 2020-06-15 14:18:37 +02:00