Cyrill Gorcunov 7d44ec193d perf, x86: P4 PMU: Fix spurious NMI messages ... Several people have reported spurious unknown NMI messages on some P4 CPUs. This patch fixes it by checking for an overflow (negative counter values) directly, instead of relying on the P4_CCCR_OVF bit. Reported-by: George Spelvin <linux@horizon.com> Reported-by: Meelis Roos <mroos@linux.ee> Reported-by: Don Zickus <dzickus@redhat.com> Reported-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Lin Ming <ming.m.lin@intel.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <AANLkTinfuTfCck_FfaOHrDqQZZehtRzkBum4SpFoO=KJ@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2011-02-16 12:26:12 +01:00
..
cpufreq	x86: Replace uses of current_cpu_data with this_cpu ops	2010-12-30 12:22:03 +01:00
mcheck	x86, mcheck, therm_throt.c: Export symbol platform_thermal_notify to allow coretemp to handler intr	2011-01-21 14:11:12 +01:00
mtrr	x86, mtrr: Avoid MTRR reprogramming on BP during boot on UP platforms	2011-02-03 12:10:38 +01:00
.gitignore
amd.c	x86: Replace uses of current_cpu_data with this_cpu ops	2010-12-30 12:22:03 +01:00
bugs.c	x86: Avoid check hlt for newer cpus	2010-05-07 15:31:17 -07:00
bugs_64.c	x86/cpu: Clean up various files a bit	2009-07-11 11:24:09 +02:00
centaur.c	x86, cpu: mv display_cacheinfo -> cpu_detect_cache_sizes	2009-11-23 11:59:53 -08:00
common.c	perf, arch: Cleanup perf-pmu init vs lockup-detector	2010-11-26 15:14:56 +01:00
cpu.h	Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-10-21 13:18:36 -07:00
cyrix.c	x86, cpu: mv display_cacheinfo -> cpu_detect_cache_sizes	2009-11-23 11:59:53 -08:00
hypervisor.c	Introduce CONFIG_XEN_PVHVM compile option	2010-07-29 11:11:33 -07:00
intel.c	Merge branches 'softirq-for-linus', 'x86-debug-for-linus', 'x86-numa-for-linus', 'x86-quirks-for-linus', 'x86-setup-for-linus', 'x86-uv-for-linus' and 'x86-vm86-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-10-23 08:25:36 -07:00
intel_cacheinfo.c	x86: Update CPU cache attributes table descriptors	2011-01-20 12:13:20 +01:00
Makefile	Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-08-06 10:07:34 -07:00
mkcapflags.pl
mshyperv.c	x86: Export the symbol ms_hyperv	2010-07-08 14:12:03 -07:00
perf_event.c	Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-01-11 11:02:13 -08:00
perf_event_amd.c	perf, amd: Remove the nb lock	2010-12-08 20:16:30 +01:00
perf_event_intel.c	Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu	2011-01-07 17:02:58 -08:00
perf_event_intel_ds.c	perf, x86: Use NUMA aware allocations for PEBS/BTS/DS allocations	2010-10-22 14:18:26 +02:00
perf_event_intel_lbr.c	perf, x86: Clean up debugctlmsr bit definitions	2010-03-26 09:41:03 +01:00
perf_event_p4.c	perf, x86: P4 PMU: Fix spurious NMI messages	2011-02-16 12:26:12 +01:00
perf_event_p6.c	perf, x86: Fix __initconst vs const	2010-04-02 19:52:05 +02:00
perfctr-watchdog.c	x86, nmi_watchdog: Remove ARCH_HAS_NMI_WATCHDOG and rely on CONFIG_HARDLOCKUP_DETECTOR	2010-12-22 22:15:32 +01:00
powerflags.c
proc.c	Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-09-14 07:57:32 -07:00
scattered.c	Merge branch 'x86-amd-nb-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-10-21 13:01:08 -07:00
sched.c	sched: x86: Name old_perf in a unique way	2009-09-16 11:21:07 +02:00
topology.c	x86, cpu: Split addon_cpuid_features.c	2010-07-19 19:02:41 -07:00
transmeta.c	x86, cpu: mv display_cacheinfo -> cpu_detect_cache_sizes	2009-11-23 11:59:53 -08:00
umc.c	x86: move various CPU initialization objects into .cpuinit.rodata	2009-03-12 13:13:07 +01:00
vmware.c	x86, vmware: Preset lpj values when on VMware.	2010-08-02 17:16:30 -07:00