diff options
Diffstat (limited to 'kernel/perf_counter.c')
-rw-r--r-- | kernel/perf_counter.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 195712e20d07..a5d3e2aedd2f 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, | |||
2234 | perf_output_lock(handle); | 2234 | perf_output_lock(handle); |
2235 | 2235 | ||
2236 | do { | 2236 | do { |
2237 | offset = head = atomic_read(&data->head); | 2237 | offset = head = atomic_long_read(&data->head); |
2238 | head += size; | 2238 | head += size; |
2239 | } while (atomic_long_cmpxchg(&data->head, offset, head) != offset); | 2239 | } while (atomic_long_cmpxchg(&data->head, offset, head) != offset); |
2240 | 2240 | ||