aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/perf_counter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 195712e20d0..a5d3e2aedd2 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2234,7 +2234,7 @@ static int perf_output_begin(struct perf_output_handle *handle,
perf_output_lock(handle);
do {
- offset = head = atomic_read(&data->head);
+ offset = head = atomic_long_read(&data->head);
head += size;
} while (atomic_long_cmpxchg(&data->head, offset, head) != offset);