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| author | Peter Zijlstra <peterz@infradead.org> | 2016-06-30 11:49:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 09:03:28 +0200 |
| commit | aefbc4d04c7b09cb6775a32cea7986c62e489ee2 (patch) | |
| tree | fa412861addb3ac3a25d1e7aa7f37888ba17a61d /arch | |
| parent | 3ebe3bd8fbd51b5e04e93c7f3fb90bd096a86344 (diff) | |
| download | linux-aefbc4d04c7b09cb6775a32cea7986c62e489ee2.tar.bz2 | |
perf/x86/intel: Fix rdlbr_to() MSR reading typo
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: d4cf1949f968 ("perf/x86/intel: Add {rd,wr}lbr_{to,from} wrappers")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/events/intel/lbr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index cc4555a9e876..707d358e0dff 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -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; } |