diff options
| author | Alfredo Alvarez Fernandez <[email protected]> | 2016-02-19 07:48:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-02-29 10:29:27 +0100 |
| commit | 9d5a23ac8e0ede14a2b23740d231727ba5be483a (patch) | |
| tree | 82ddd4196527b6d8d49ed2e63b762544efd08a2e | |
| parent | b2ed0998f66c4f68d3cccd2558c627b194e30415 (diff) | |
tools/lib/lockdep: Add userspace version of READ_ONCE()
This was added to the kernel code in <1658d35ead5d> ("list: Use
READ_ONCE() when testing for empty lists").
There's nothing special we need to do about it in userspace.
Signed-off-by: Alfredo Alvarez Fernandez <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/1455864533-7536-2-git-send-email-alfredoalvarezernandez@gmail.com
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | tools/lib/lockdep/uinclude/linux/compiler.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h index 6386dc3182a0..fd3e56a83fc2 100644 --- a/tools/lib/lockdep/uinclude/linux/compiler.h +++ b/tools/lib/lockdep/uinclude/linux/compiler.h @@ -3,6 +3,7 @@ #define __used __attribute__((__unused__)) #define unlikely +#define READ_ONCE(x) (x) #define WRITE_ONCE(x, val) x=(val) #define RCU_INIT_POINTER(p, v) p=(v) |