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authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>2010-04-17 08:48:41 -0400
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-08-19 17:18:03 -0700
commit5e8067adfdbaf97039a97540765b1e16eb8d61cc (patch)
tree3648ffdd0265024baff2a0136d01b02bede19f63 /include/linux/rcupdate.h
parent4d2deb40b20c2608486598364e63e37b09a9ac2f (diff)
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@gmail.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> CC: David S. Miller <davem@davemloft.net> CC: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> CC: akpm@linux-foundation.org CC: mingo@elte.hu CC: laijs@cn.fujitsu.com CC: dipankar@in.ibm.com CC: josh@joshtriplett.org CC: dvhltc@us.ibm.com CC: niv@us.ibm.com CC: tglx@linutronix.de CC: peterz@infradead.org CC: rostedt@goodmis.org CC: Valdis.Kletnieks@vt.edu CC: dhowells@redhat.com CC: eric.dumazet@gmail.com CC: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'include/linux/rcupdate.h')
-rw-r--r--include/linux/rcupdate.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 3e1b6625553b..27b44b3e3024 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