diff options
author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2008-08-17 15:50:36 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-08-18 03:45:22 -0400 |
commit | ded00a56e99555c3f4000ef3eebfd5fe0d574565 (patch) | |
tree | 384e81f0780de2fb89a82dd341cb24ce2f4364cf /kernel | |
parent | cd95851785bcfe95fdf73689e8ecb5a1c5959231 (diff) |
rcu: remove redundant ACCESS_ONCE definition from rcupreempt.c
Remove the redundant definition of ACCESS_ONCE() from rcupreempt.c in
favor of the one in compiler.h. Also merge the comment header from
rcupreempt.c's definition into that in compiler.h.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/rcupreempt.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c index 27827931ca0d..ca4bbbe04aa4 100644 --- a/kernel/rcupreempt.c +++ b/kernel/rcupreempt.c | |||
@@ -59,14 +59,6 @@ | |||
59 | #include <linux/rcupreempt_trace.h> | 59 | #include <linux/rcupreempt_trace.h> |
60 | 60 | ||
61 | /* | 61 | /* |
62 | * Macro that prevents the compiler from reordering accesses, but does | ||
63 | * absolutely -nothing- to prevent CPUs from reordering. This is used | ||
64 | * only to mediate communication between mainline code and hardware | ||
65 | * interrupt and NMI handlers. | ||
66 | */ | ||
67 | #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) | ||
68 | |||
69 | /* | ||
70 | * PREEMPT_RCU data structures. | 62 | * PREEMPT_RCU data structures. |
71 | */ | 63 | */ |
72 | 64 | ||