[PATCH 1/5] perf: fix broken union in perf_event_mmap_page

[Adrian Hunter]

The capabilities bits must not be "union'ed" together.
Put them in a separate struct.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 include/uapi/linux/perf_event.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 0b1df41..19f6ee5 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -375,9 +375,11 @@ struct perf_event_mmap_page {
 	__u64	time_running;		/* time event on cpu */
 	union {
 		__u64	capabilities;
-		__u64	cap_usr_time  : 1,
-			cap_usr_rdpmc : 1,
-			cap_____res   : 62;
+		struct {
+			__u64	cap_usr_time		: 1,
+				cap_usr_rdpmc		: 1,
+				cap_____res		: 62;
+		};
 	};
 
 	/*
-- 
1.7.11.7

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