Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[karo-tx-linux.git] / arch / x86 / kernel / cpu / perf_event_p4.c

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 0811f5ebfba6643083b50d81c5710292db12b4b6..c2520e178d32147fd9e2acd954d59e4217115add 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -777,6 +777,7 @@ static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
         * the counter has reached zero value and continued counting before
         * real NMI signal was received:
         */
+       rdmsrl(hwc->event_base, v);
        if (!(v & ARCH_P4_UNFLAGGED_BIT))
                return 1;