lkml.org 
[lkml]   [2013]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/5] perf: fix broken union in perf_event_mmap_page
Date
The capabilities bits must not be "union'ed" together.
Put them in a separate struct.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
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


\
 
 \ /
  Last update: 2013-06-28 15:21    [W:0.241 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site