perf/x86: Fix variable types for LBR registers

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The MSR variable type can be 'unsigned int', which uses less memory than
the longer 'unsigned long'. Fix 'struct x86_pmu' for that. The lbr_nr won't
be a negative number, so make it 'unsigned int' as well.

Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200613080958.132489-2-like.xu@linux.intel.com

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Wei Wang 2020-06-13 16:09:46 +08:00 • committed by Peter Zijlstra

parent 9ebcfadb06

commit 3cb9d5464c

1 changed files with 2 additions and 2 deletions

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arch/x86/events/perf_event.h

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