Commit-ID: 5e8067adfdbaf97039a97540765b1e16eb8d61cc
Gitweb: http://git.kernel.org/tip/5e8067adfdbaf97039a97540765b1e16eb8d61cc
Author: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
AuthorDate: Sat, 17 Apr 2010 08:48:41 -0400
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 19 Aug 2010 17:18:03 -0700
rcu head remove init
RCU heads really don't need to be initialized. Their state before call_rcu()
really does not matter.
We need to keep init/destroy_rcu_head_on_stack() though, since we want
debugobjects to be able to keep track of these objects.
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
CC: David S. Miller <davem@xxxxxxxxxxxxx>
CC: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
CC: akpm@xxxxxxxxxxxxxxxxxxxx
CC: mingo@xxxxxxx
CC: laijs@xxxxxxxxxxxxxx
CC: dipankar@xxxxxxxxxx
CC: josh@xxxxxxxxxxxxxxxx
CC: dvhltc@xxxxxxxxxx
CC: niv@xxxxxxxxxx
CC: tglx@xxxxxxxxxxxxx
CC: peterz@xxxxxxxxxxxxx
CC: rostedt@xxxxxxxxxxx
CC: Valdis.Kletnieks@xxxxxx
CC: dhowells@xxxxxxxxxx
CC: eric.dumazet@xxxxxxxxx
CC: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
include/linux/rcupdate.h | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 3e1b662..27b44b3 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -75,12 +75,6 @@ extern void rcu_init(void);
#error "Unknown RCU implementation specified to kernel configuration"
#endif
-#define RCU_HEAD_INIT { .next = NULL, .func = NULL }
-#define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT
-#define INIT_RCU_HEAD(ptr) do { \
- (ptr)->next = NULL; (ptr)->func = NULL; \
-} while (0)
-
/*
* init_rcu_head_on_stack()/destroy_rcu_head_on_stack() are needed for dynamic
* initialization and destruction of rcu_head on the stack. rcu_head structures
--
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