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SubjectRe: [PATCH 0/3 v2] nmi perf fixes
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On Thu, 2010-09-02 at 15:07 -0400, Don Zickus wrote:
> Fixes to allow unknown nmis to pass through the perf nmi handler instead
> of being swallowed. Contains patches that are already in Ingo's tree. Added
> here for completeness. Based on ingo/tip
>
> Tested on intel/amd
>
> v2: patch cleanups and consolidation, no code changes
>
> Don Zickus (1):
> perf, x86: Fix accidentally ack'ing a second event on intel perf
> counter
>
> Peter Zijlstra (1):
> perf, x86: Fix handle_irq return values
>
> Robert Richter (1):
> perf, x86: Try to handle unknown nmis with an enabled PMU
>
> arch/x86/kernel/cpu/perf_event.c | 59 +++++++++++++++++++++++++-------
> arch/x86/kernel/cpu/perf_event_intel.c | 15 +++++---
> arch/x86/kernel/cpu/perf_event_p4.c | 2 +-
> 3 files changed, 56 insertions(+), 20 deletions(-)

Both Ingo and I are getting Dazed and confused on our AMD machines, it
started before yesterday (that is, after backing out all my recent
changes it still gets dazed), so I suspect this set.

I'll look at getting a trace of the thing, but if any of you has a
bright idea...


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