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* [PATCH 0/2] x86/perf: A CR4.PCE bugfix and clarification
@ 2017-03-16 19:59 Andy Lutomirski
  2017-03-16 19:59 ` [PATCH 1/2] x86/perf: Fix CR4.PCE propagation to use active_mm instead of mm Andy Lutomirski
  2017-03-16 19:59 ` [PATCH 2/2] x86/perf: Clarify why x86_pmu_event_mapped() isn't racy Andy Lutomirski
  0 siblings, 2 replies; 5+ messages in thread
From: Andy Lutomirski @ 2017-03-16 19:59 UTC (permalink / raw)
  To: X86 ML; +Cc: linux-kernel, Borislav Petkov, Vince Weaver, Andy Lutomirski

Hi all-

Vince found a bug in our CR4.PCE handling.  While investigating, I
found what looked like another bug but actually wasn't.

Here's a fix for the bug (cc'd to stable) and a comment and lockdep
annotation for why the other non-bug isn't actually a bug.

Andy Lutomirski (2):
  x86/perf: Fix CR4.PCE propagation to use active_mm instead of mm
  x86/perf: Clarify why x86_pmu_event_mapped() isn't racy

 arch/x86/events/core.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

-- 
2.9.3

^ permalink raw reply	[flat|nested] 5+ messages in thread

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Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2017-03-16 19:59 [PATCH 0/2] x86/perf: A CR4.PCE bugfix and clarification Andy Lutomirski
2017-03-16 19:59 ` [PATCH 1/2] x86/perf: Fix CR4.PCE propagation to use active_mm instead of mm Andy Lutomirski
2017-03-17 10:16   ` [tip:perf/urgent] " tip-bot for Andy Lutomirski
2017-03-16 19:59 ` [PATCH 2/2] x86/perf: Clarify why x86_pmu_event_mapped() isn't racy Andy Lutomirski
2017-03-17 10:17   ` [tip:perf/urgent] " tip-bot for Andy Lutomirski

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