This patch converts remaining ACCESS_ONCE() instances into READ_ONCE()
and WRITE_ONCE() as appropriate.
Signed-off-by: Alexander Shishkin <alexander.shish...@linux.intel.com>
---
arch/x86/events/intel/pt.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 05ef87d839..e88915ff98 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -933,7 +933,7 @@ 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;
/*
@@ -1035,7 +1035,7 @@ 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,
@@ -1058,7 +1058,7 @@ 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);
--
2.8.0.rc3
