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authorIngo Molnar <mingo@kernel.org>2018-02-17 11:39:28 +0100
committerIngo Molnar <mingo@kernel.org>2018-02-17 11:39:28 +0100
commit7057bb975dab827997e0ca9dd92cafef0856b0cc (patch)
tree7784dc59c03f25b6bc4fa5cc12d5b61cb8b53765 /kernel/trace/ring_buffer.c
parentperf/core: Implement the 'perf_uprobe' PMU (diff)
parentkprobes: Propagate error from disarm_kprobe_ftrace() (diff)
downloadlinux-7057bb975dab827997e0ca9dd92cafef0856b0cc.tar.gz
linux-7057bb975dab827997e0ca9dd92cafef0856b0cc.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
-rw-r--r--kernel/trace/ring_buffer.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 5af2842dea96..dcf1c4dd3efe 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -627,10 +627,10 @@ int ring_buffer_wait(struct ring_buffer *buffer, int cpu, bool full)
* as data is added to any of the @buffer's cpu buffers. Otherwise
* it will wait for data to be added to a specific cpu buffer.
*
- * Returns POLLIN | POLLRDNORM if data exists in the buffers,
+ * Returns EPOLLIN | EPOLLRDNORM if data exists in the buffers,
* zero otherwise.
*/
-int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
+__poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
struct file *filp, poll_table *poll_table)
{
struct ring_buffer_per_cpu *cpu_buffer;
@@ -665,7 +665,7 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) ||
(cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu)))
- return POLLIN | POLLRDNORM;
+ return EPOLLIN | EPOLLRDNORM;
return 0;
}