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| author | Dipankar Sarma <dipankar@in.ibm.com> | 2004-08-22 22:57:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-22 22:57:19 -0700 |
| commit | bcce63134d465edc461f81ef23627cde4227e05a (patch) | |
| tree | d9e96f980f22fd7f1d1a71bcd819a93c080406c4 /kernel | |
| parent | 86de37f0de2be6b0c51c0210dd6533177353f864 (diff) | |
| download | history-bcce63134d465edc461f81ef23627cde4227e05a.tar.gz | |
[PATCH] RCU - cpu-offline-cleanup
There is a series of patches in my tree and these 3 are the first ones that
should probably be merged down the road. Descriptions are on top of the
patches. Please include them in -mm.
A lot of RCU code will be cleaned up later in order to support
call_rcu_bh(), the separate RCU interface that considers softirq handler
completion a quiescent state.
This patch:
Minor cleanup of the hotplug code to remove #ifdef in cpu event notifier
handler. If CONFIG_HOTPLUG_CPU is not defined, CPU_DEAD case will be
optimized off.
Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcupdate.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index b331fe3f64e990..97cb4eaa1019a4 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -243,6 +243,12 @@ static void rcu_offline_cpu(int cpu) tasklet_kill_immediate(&RCU_tasklet(cpu), cpu); } +#else + +static void rcu_offline_cpu(int cpu) +{ +} + #endif void rcu_restart_cpu(int cpu) @@ -326,11 +332,9 @@ static int __devinit rcu_cpu_notify(struct notifier_block *self, case CPU_UP_PREPARE: rcu_online_cpu(cpu); break; -#ifdef CONFIG_HOTPLUG_CPU case CPU_DEAD: rcu_offline_cpu(cpu); break; -#endif default: break; } |