From: Andi Kleen <ak@linux.intel.com>
Date: Fri, 27 Feb 2015 17:48:30 +0000 (-0800)
Subject: perf/x86/intel: Reset more state in PMU reset
X-Git-Tag: omap-for-v4.1/fixes-rc1~156^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8882edf735738c949aba4b65d3ec3453066bab12;p=pandora-kernel.git

perf/x86/intel: Reset more state in PMU reset

The PMU reset code didn't quite keep up with newer PMU features.
Improve it a bit to really reset a modern PMU:

  - Clear all overflow status
  - Clear LBRs and freezing state
  - Disable fixed counters too

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: eranian@google.com
Link: http://lkml.kernel.org/r/1425059312-18217-2-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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