Commit-ID: aefbc4d04c7b09cb6775a32cea7986c62e489ee2
Gitweb: http://git.kernel.org/tip/aefbc4d04c7b09cb6775a32cea7986c62e489ee2
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Thu, 30 Jun 2016 11:49:08 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 7 Jul 2016 09:03:28 +0200
perf/x86/intel: Fix rdlbr_to() MSR reading typo
It helps to actually read the right MSR..
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vince Weaver <vincent.weaver@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Fixes: d4cf1949f968 ("perf/x86/intel: Add {rd,wr}lbr_{to,from} wrappers")
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/events/intel/lbr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index cc4555a..707d358 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;
}
--
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