perf/x86: Blacklist all MEM_*_RETIRED events for Ivy Bridge

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Errata BV98 states that all MEM_*_RETIRED events corrupt the
counter value of the SMT sibling's counters. Blacklist these
events

Reported-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <stable@kernel.org>
Cc: eranian@google.com
Link: http://lkml.kernel.org/r/20130503121256.083340271@chello.nl
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/n/tip-jwra43mujrv1oq9xk6mfe57v@git.kernel.org

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Peter Zijlstra 2013-05-03 14:11:23 +02:00 • committed by Ingo Molnar

parent 5919b30933

commit 741a698f42

1 changed files with 9 additions and 4 deletions

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arch/x86/kernel/cpu/perf_event_intel.c

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