From 860f085b74e9f0075de8140ed3a1e5b5e3e39aa8 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 28 Jun 2013 16:22:17 +0300 Subject: [PATCH] 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 Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1372425741-1676-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Ingo Molnar --- 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 00d8274730b4..0041aedf2297 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; + }; }; /* -- 2.20.1