On Thu, 2010-11-18 at 06:56 +0000, Deng-Cheng Zhu wrote: > Leverage the commit for ARM by Will Deacon: > > 446a5a8b1eb91a6990e5c8fe29f14e7a95b69132 > ARM: 6205/1: perf: ensure counter delta is treated as unsigned > > Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxx> > --- > arch/mips/kernel/perf_event.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c > index 345232a..0f1cdf5 100644 > --- a/arch/mips/kernel/perf_event.c > +++ b/arch/mips/kernel/perf_event.c > @@ -169,7 +169,7 @@ static void mipspmu_event_update(struct perf_event *event, > unsigned long flags; > int shift = 64 - TOTAL_BITS; > s64 prev_raw_count, new_raw_count; > - s64 delta; > + u64 delta; > > again: > prev_raw_count = local64_read(&hwc->prev_count); > -- > 1.7.1 Acked-by: Will Deacon <will.deacon@xxxxxxx> You might also want to look at commit 65b4711f if you based the MIPS port on the old ARM code. Thanks, Will
