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e97df76377
linux/arch/x86/kernel/cpu
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Peter Zijlstra e97df76377 perf/x86/intel/p6: Add userspace RDPMC quirk for PPro 
PPro machines can die hard when PCE gets enabled due to a CPU erratum.
The safe way it so disable it by default and keep it disabled.

See erratum 26 in:

  http://download.intel.com/design/archives/processors/pro/docs/24268935.pdf

Reported-and-Tested-by: Mark Davies <junk@eslaf.co.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vince@deater.net>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140206170815.GW2936@laptop.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-09 13:08:24 +01:00
..
mcheck Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:10:27 -08:00
microcode x86, microcode: Move to a proper location 2014-01-13 20:00:12 +01:00
mtrr mm: vmstats: track TLB flush stats on UP too 2013-09-11 15:57:09 -07:00
.gitignore
amd.c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:11:41 -08:00
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: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
common.c x86, cpu: Detect more TLB configuration 2014-01-03 14:35:42 -08:00
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 treewide: Fix common typo in "identify" 2013-10-14 15:31:06 +02:00
intel.c Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:04:45 -08:00
Makefile Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:07:54 -08:00
match.c
mkcapflags.sh mkcapflags.pl: convert to mkcapflags.sh 2013-04-29 15:54:27 -07:00
mshyperv.c x86, hyperv: Move a variable to avoid an unused variable warning 2013-11-06 10:02:05 -08:00
perf_event_amd_ibs.c perf/x86/amd/ibs: Fix waking up from S3 for AMD family 10h 2014-01-16 09:19:50 +01:00
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 x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
perf_event_amd.c perf: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node() 2013-09-02 08:42:49 +02:00
perf_event_intel_ds.c perf: Fix arch_perf_out_copy_user default 2013-11-06 12:34:25 +01:00
perf_event_intel_lbr.c perf: Fix arch_perf_out_copy_user default 2013-11-06 12:34:25 +01:00
perf_event_intel_rapl.c perf/x86/intel: Add Intel RAPL PP1 energy counter support 2014-01-12 10:16:08 +01:00
perf_event_intel_uncore.c perf/x86/intel: Add Ivy Bridge-EP uncore IRP box support 2013-11-06 12:34:31 +01:00
perf_event_intel_uncore.h perf/x86/intel/uncore: Enable EV_SEL_EXT bit for PCU 2013-08-16 17:55:50 +02:00
perf_event_intel.c perf/x86: Suppress duplicated abort LBR records 2013-10-04 10:06:16 +02:00
perf_event_knc.c x86: Constify a few items 2013-03-11 15:11:03 +01:00
perf_event_p4.c perf/x86/intel/P4: Robistify P4 PMU types 2013-04-26 09:31:41 +02:00
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 perf/x86/intel/p6: Add userspace RDPMC quirk for PPro 2014-02-09 13:08:24 +01:00
perf_event.h perf/x86/intel/p6: Add userspace RDPMC quirk for PPro 2014-02-09 13:08:24 +01:00
perfctr-watchdog.c
powerflags.c update AMD powerflags comments 2013-05-28 12:02:10 +02:00
proc.c x86/cpu: Always print SMP information in /proc/cpuinfo 2013-11-06 08:13:56 +01:00
rdrand.c x86, kaslr: Provide randomness functions 2013-10-13 03:12:12 -07:00
scattered.c treewide: Fix common typo in "identify" 2013-10-14 15:31:06 +02:00
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