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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-02-26 18:43:41 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-03-01 20:36:57 +0100 |
| commit | 8df3e07e7f21f2ed8d001e6fabf9505946b438aa (patch) | |
| tree | 2cfc69719e0399a17d2a7a6bf5bd67d834f401bf /kernel/sched | |
| parent | fc6d73d67436e7784758a831227bd019547a3f73 (diff) | |
| download | linux-0-day-8df3e07e7f21f2ed8d001e6fabf9505946b438aa.tar.gz linux-0-day-8df3e07e7f21f2ed8d001e6fabf9505946b438aa.tar.xz | |
cpu/hotplug: Let upcoming cpu bring itself fully up
Let the upcoming cpu kick the hotplug thread and let itself complete the
bringup. That way the controll side can just wait for the completion or later
when we made the hotplug machinery async not care at all.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arch@vger.kernel.org
Cc: Rik van Riel <riel@redhat.com>
Cc: Rafael Wysocki <rafael.j.wysocki@intel.com>
Cc: "Srivatsa S. Bhat" <srivatsa@mit.edu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Turner <pjt@google.com>
Link: http://lkml.kernel.org/r/20160226182341.697655464@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/idle.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 544a7133cbd1d..a4b9813afc964 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -4,6 +4,7 @@ #include <linux/sched.h> #include <linux/cpu.h> #include <linux/cpuidle.h> +#include <linux/cpuhotplug.h> #include <linux/tick.h> #include <linux/mm.h> #include <linux/stackprotector.h> @@ -291,5 +292,6 @@ void cpu_startup_entry(enum cpuhp_state state) boot_init_stack_canary(); #endif arch_cpu_idle_prepare(); + cpuhp_online_idle(state); cpu_idle_loop(); } |