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-rw-r--r--arch/x86/events/msr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index ec863b9a9f78..8bef19f098d4 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -166,7 +166,7 @@ again:
if (unlikely(event->hw.event_base == MSR_SMI_COUNT))
delta = sign_extend64(delta, 31);
- local64_add(now - prev, &event->count);
+ local64_add(delta, &event->count);
}
static void msr_event_start(struct perf_event *event, int flags)