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perf/x86/intel: Fix rdlbr_to() MSR reading typo

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It helps to actually read the right MSR..

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Fixes: d4cf1949f9 ("perf/x86/intel: Add {rd,wr}lbr_{to,from} wrappers")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2016-06-30 11:49:08 +02:00 committed by Ingo Molnar
parent 3ebe3bd8fb
commit aefbc4d04c
1 changed files with 1 additions and 1 deletions
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2
arch/x86/events/intel/lbr.c
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@ -323,7 +323,7 @@ static inline u64 rdlbr_to(unsigned int idx)
{
u64 val;
rdmsrl(x86_pmu.lbr_from + idx, val);
rdmsrl(x86_pmu.lbr_to + idx, val);
return val;
}