diff options
Diffstat (limited to 'arch/x86/events/intel/pt.c')
| -rw-r--r-- | arch/x86/events/intel/pt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index c3a359c..54fa238 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -1135,7 +1135,7 @@ void intel_pt_interrupt(void) * after PT has been disabled by pt_event_stop(). Make sure we don't * do anything (particularly, re-enable) for this event here. */ - if (!ACCESS_ONCE(pt->handle_nmi)) + if (!READ_ONCE(pt->handle_nmi)) return; /* @@ -1237,7 +1237,7 @@ static void pt_event_start(struct perf_event *event, int mode) goto fail_end_stop; } - ACCESS_ONCE(pt->handle_nmi) = 1; + WRITE_ONCE(pt->handle_nmi, 1); hwc->state = 0; pt_config_buffer(buf->cur->table, buf->cur_idx, @@ -1260,7 +1260,7 @@ static void pt_event_stop(struct perf_event *event, int mode) * Protect against the PMI racing with disabling wrmsr, * see comment in intel_pt_interrupt(). */ - ACCESS_ONCE(pt->handle_nmi) = 0; + WRITE_ONCE(pt->handle_nmi, 0); pt_config_stop(event); |