AuxXxilium/linux_dsm_epyc7002
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7d44ec193d
linux_dsm_epyc7002/arch
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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
..
alpha alpha: Use generic irq Kconfig 2011-01-21 11:55:31 +01:00
arm Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-02-15 10:18:48 -08:00
avr32 avr32: add missing include causing undefined pgtable_page_* references 2011-01-26 12:35:15 +01:00
blackfin serial: bfin_5xx: split uart RX lock from uart port lock to avoid deadlock 2011-02-03 14:44:54 -08:00
cris cris: Use generic irq Kconfig 2011-01-21 11:55:25 +01:00
frv frv: Use generic irq Kconfig 2011-01-21 11:55:32 +01:00
h8300 h8300: Use generic irq Kconfig 2011-01-21 11:55:24 +01:00
ia64 ia64: Use generic irq Kconfig 2011-01-21 11:55:32 +01:00
m32r m32r: Fixup last __do_IRQ leftover 2011-02-05 21:46:35 +01:00
m68k m68knommu: add optimize memmove() function 2011-02-16 09:43:16 +10:00
m68knommu m68knommu: set flow handler for secondary interrupt controller of 5249 2011-02-16 09:43:46 +10:00
microblaze microblaze: Fix msr instruction detection 2011-02-07 19:13:01 +01:00
mips genirq: Remove __do_IRQ 2011-01-21 11:55:31 +01:00
mn10300 mn10300: Use generic irq Kconfig 2011-01-21 11:55:33 +01:00
parisc console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
powerpc powerpc: Fix hcall tracepoint recursion 2011-02-07 13:06:08 +11:00
s390 s390: remove task_show_regs 2011-02-15 07:34:16 -08:00
score score: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
sh Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2011-01-26 09:00:17 +10:00
sparc sparc: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
tile tile: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
um um: Use generic irq Kconfig 2011-01-21 11:55:35 +01:00
x86 perf, x86: P4 PMU: Fix spurious NMI messages 2011-02-16 12:26:12 +01:00
xtensa kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
.gitignore
Kconfig [S390] mutex: Introduce arch_mutex_cpu_relax() 2011-01-05 12:47:31 +01:00