perf, x86: Handle in flight NMIs on P4 platform
authorCyrill Gorcunov <gorcunov@gmail.com>
Thu, 30 Sep 2010 03:01:38 +0000 (23:01 -0400)
committerIngo Molnar <mingo@elte.hu>
Thu, 30 Sep 2010 07:17:59 +0000 (09:17 +0200)
commit03e22198d2379ffa746c9ea332fbb1f094f9423b
tree51ab8e4665943d9a703c110fba68a90d4410eb43
parent98d943b02f6f1b57787ff1aa6f34d019a407e3ee
perf, x86: Handle in flight NMIs on P4 platform

Stephane reported we've forgot to guard the P4 platform
against spurious in-flight performance IRQs. Fix it.

This fixes potential spurious 'dazed and confused' NMI
messages.

Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Don Zickus <dzickus@redhat.com>
Cc: fweisbec@gmail.com
Cc: peterz@infradead.org
Cc: Robert Richter <robert.richter@amd.com>
Cc: Lin Ming <ming.m.lin@intel.com>
LKML-Reference: <1285815698-4298-1-git-send-email-dzickus@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/perf_event_p4.c