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authorThomas Gleixner <tglx@linutronix.de>2016-07-13 17:16:29 +0000
committerIngo Molnar <mingo@kernel.org>2016-07-14 09:34:43 +0200
commit7ee681b25284782ecf380bf5ccf55f13c52fd0ce (patch)
tree3e3c0c734c5248f7342b8303908f5f824a6774ef /kernel/cpu.c
parentc6a84daa3498f269e3b506757506f762b6f56080 (diff)
workqueue: Convert to state machine callbacks
Get rid of the prio ordering of the separate notifiers and use a proper state callback pair. 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> Acked-by: Tejun Heo <tj@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160713153335.197083890@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r--kernel/cpu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 3705d9043c08..af53f820fec9 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1185,6 +1185,11 @@ static struct cpuhp_step cpuhp_bp_states[] = {
.startup = perf_event_init_cpu,
.teardown = perf_event_exit_cpu,
},
+ [CPUHP_WORKQUEUE_PREP] = {
+ .name = "workqueue prepare",
+ .startup = workqueue_prepare_cpu,
+ .teardown = NULL,
+ },
/*
* Preparatory and dead notifiers. Will be replaced once the notifiers
* are converted to states.
@@ -1267,6 +1272,11 @@ static struct cpuhp_step cpuhp_ap_states[] = {
.startup = perf_event_init_cpu,
.teardown = perf_event_exit_cpu,
},
+ [CPUHP_AP_WORKQUEUE_ONLINE] = {
+ .name = "workqueue online",
+ .startup = workqueue_online_cpu,
+ .teardown = workqueue_offline_cpu,
+ },
/*
* Online/down_prepare notifiers. Will be removed once the notifiers