From: Adrian Hunter <adrian.hunter@intel.com>
Date: Fri, 28 Jun 2013 13:22:17 +0000 (+0300)
Subject: perf: Fix broken union in 'struct perf_event_mmap_page'
X-Git-Tag: v3.12-rc1~168^3~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=860f085b74e9f0075de8140ed3a1e5b5e3e39aa8;p=kernel%2Fkernel-generic.git

perf: Fix broken union in 'struct perf_event_mmap_page'

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

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1372425741-1676-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 00d8274..0041aed 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;
+		};
 	};
 
 	/*