AuxXxilium/linux_dsm_epyc7002
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a3a529d104
linux_dsm_epyc7002/arch/x86/kernel/cpu
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Borislav Petkov a3a529d104 x86, MCE, AMD: Drop software-defined bank in error thresholding 
Aravind had the good question about why we're assigning a
software-defined bank when reporting error thresholding errors instead
of simply using the bank which reports the last error causing the
overflow.

Digging through git history, it pointed to

9526866439 ("[PATCH] x86_64: mce_amd support for family 0x10 processors")

which added that functionality. The problem with this, however, is that
tools don't know about software-defined banks and get puzzled. So drop
that K8_MCE_THRESHOLD_BASE and simply use the hw bank reporting the
thresholding interrupt.

Save us a couple of MSR reads while at it.

Reported-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com>
Link: https://lkml.kernel.org/r/5435B206.60402@amd.com
Signed-off-by: Borislav Petkov <bp@suse.de>
2014-10-21 22:28:48 +02:00
..
mcheck x86, MCE, AMD: Drop software-defined bank in error thresholding 2014-10-21 22:28:48 +02:00
microcode x86, microcode, intel: Rename apply_microcode and declare it static 2014-07-25 17:57:51 +02:00
mtrr x86: Add more disabled features 2014-09-11 14:30:17 -07:00
.gitignore
amd.c x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is read-only 2014-09-24 14:07:57 +02:00
bugs_64.c
bugs.c x86: Get rid of ->hard_math and all the FPU asm fu 2013-06-06 14:32:04 -07:00
centaur.c x86: Remove CONFIG_X86_OOSTORE 2014-03-11 10:16:18 -07:00
common.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
cpu.h x86/cpu: Track legacy CPU model data only on 32-bit kernels 2013-10-26 13:34:39 +02:00
cyrix.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
hypervisor.c x86: Correctly detect hypervisor 2013-08-05 06:35:33 -07:00
intel_cacheinfo.c arch/x86: replace strict_strto calls 2014-08-08 15:57:28 -07:00
intel.c x86: Add cpu_detect_cache_sizes to init_intel() add Quark legacy_cache() 2014-10-08 10:07:46 +02:00
Makefile Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 15:58:15 +02:00
match.c x86: align x86 arch with generic CPU modalias handling 2014-02-18 12:45:38 -08:00
mkcapflags.sh x86/cpufeature: Add bug flags to /proc/cpuinfo 2014-07-14 12:21:39 -07:00
mshyperv.c x86, irq, pic: Probe for legacy PIC and set legacy_pic appropriately 2014-04-14 11:49:55 -07:00
perf_event_amd_ibs.c kprobes, x86: Use NOKPROBE_SYMBOL() instead of __kprobes annotation 2014-04-24 10:26:38 +02:00
perf_event_amd_iommu.c perf/x86/amd: Do not print an error when the device is not present 2013-07-05 08:27:15 +02:00
perf_event_amd_iommu.h perf/x86/amd: AMD IOMMU Performance Counter PERF uncore PMU implementation 2013-06-19 13:04:53 +02:00
perf_event_amd_uncore.c perf/x86/amd: Try to fix some mem allocation failure handling 2014-07-16 13:31:06 +02:00
perf_event_amd.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_intel_ds.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event_intel_lbr.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event_intel_rapl.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_intel_uncore_nhmex.c perf/x86/uncore: Fix coccinelle warnings 2014-08-13 07:51:09 +02:00
perf_event_intel_uncore_snb.c perf/x86/intel/uncore: Update support for client uncore IMC PMU 2014-09-24 14:48:25 +02:00
perf_event_intel_uncore_snbep.c perf/x86/intel/uncore: Fix PCU filter setup for Sandy/Ivy/Haswell EP 2014-09-24 14:48:24 +02:00
perf_event_intel_uncore.c perf/x86/intel/uncore: Fix minor race in box set up 2014-10-03 06:02:49 +02:00
perf_event_intel_uncore.h perf/x86/intel/uncore: Add Haswell-EP uncore support 2014-09-24 14:48:21 +02:00
perf_event_intel.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event_knc.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_p4.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_p6.c perf/x86/intel/p6: Add userspace RDPMC quirk for PPro 2014-02-09 13:08:24 +01:00
perf_event.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event.h perf/x86: Add INST_RETIRED.ALL workarounds 2014-09-24 14:48:19 +02:00
perfctr-watchdog.c perf/x86: Add support for Intel Xeon-Phi Knights Corner PMU 2012-10-04 13:32:37 +02:00
powerflags.c update AMD powerflags comments 2013-05-28 12:02:10 +02:00
proc.c x86/cpufeature: Add bug flags to /proc/cpuinfo 2014-07-14 12:21:39 -07:00
rdrand.c x86, rdrand: When nordrand is specified, disable RDSEED as well 2014-05-11 20:25:20 -07:00
scattered.c x86/xsaves: Detect xsaves/xrstors feature 2014-05-29 14:24:28 -07:00
topology.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
transmeta.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
umc.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
vmware.c x86: Correctly detect hypervisor 2013-08-05 06:35:33 -07:00