diff options
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 74858cc898f..846861a20b0 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1342,6 +1342,9 @@ static int can_go_on_limited_pmc(struct perf_event *event, u64 ev, if (ppmu->limited_pmc_event(ev)) return 1; + if (ppmu->flags & PPMU_ARCH_207S) + mtspr(SPRN_MMCR2, 0); + /* * The requested event_id isn't on a limited PMC already; * see if any alternative code goes on a limited PMC. |