diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-13 17:17:03 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:41:44 +0200 |
| commit | 4df8374254ea9294dfe4b8c447a1b7eddc543dbf (patch) | |
| tree | b2223178530e7c18e36caa40cfeb1780578d18d2 /include/linux/rcutiny.h | |
| parent | 15d7e3d349a329ad48a29c3a818eacd1c3f7e3ef (diff) | |
| download | lwn-4df8374254ea9294dfe4b8c447a1b7eddc543dbf.tar.gz lwn-4df8374254ea9294dfe4b8c447a1b7eddc543dbf.zip | |
rcu: Convert rcutree to hotplug state machine
Straight forward conversion to the state machine. Though the question arises
whether this needs really all these state transitions to work.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160713153337.982013161@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/rcutiny.h')
| -rw-r--r-- | include/linux/rcutiny.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 93aea75029fb..ac81e4063b40 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -243,4 +243,11 @@ static inline void rcu_all_qs(void) barrier(); /* Avoid RCU read-side critical sections leaking across. */ } +/* RCUtree hotplug events */ +#define rcutree_prepare_cpu NULL +#define rcutree_online_cpu NULL +#define rcutree_offline_cpu NULL +#define rcutree_dead_cpu NULL +#define rcutree_dying_cpu NULL + #endif /* __LINUX_RCUTINY_H */ |