Messages in this thread Patch in this message | | | Date | Sat, 17 Apr 2010 08:48:39 -0400 | From | Mathieu Desnoyers <> | Subject | [patch 2/5] rcu head introduce rcu head init on stack |
| |
PEM: o Would it be possible to make this bisectable as follows?
a. Insert a new patch after current patch 4/6 that defines destroy_rcu_head_on_stack(), init_rcu_head_on_stack(), and init_rcu_head() with their !CONFIG_DEBUG_OBJECTS_RCU_HEAD definitions.
This patch performs this transition.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> CC: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> CC: David S. Miller <davem@davemloft.net> 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> --- include/linux/rcupdate.h | 8 ++++++++ 1 file changed, 8 insertions(+)
Index: linux.trees.git/include/linux/rcupdate.h =================================================================== --- linux.trees.git.orig/include/linux/rcupdate.h 2010-03-29 09:43:35.000000000 -0400 +++ linux.trees.git/include/linux/rcupdate.h 2010-03-29 09:57:09.000000000 -0400 @@ -83,6 +83,14 @@ extern void rcu_scheduler_starting(void) (ptr)->next = NULL; (ptr)->func = NULL; \ } while (0) +static inline void init_rcu_head_on_stack(struct rcu_head *head) +{ +} + +static inline void destroy_rcu_head_on_stack(struct rcu_head *head) +{ +} + #ifdef CONFIG_DEBUG_LOCK_ALLOC extern struct lockdep_map rcu_lock_map; -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
| |