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| author | Zhang Rui <rui.zhang@intel.com> | 2008-07-23 21:28:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:24 -0700 |
| commit | 2f15fc4bdf91eb399da3f47a09c55831d9f22826 (patch) | |
| tree | 4db94b5313a526d8a4fad64cd534021a86bc8a63 | |
| parent | c1a220e7acf8ad2c03504891f4a70cd9c32c904b (diff) | |
| download | op-kernel-dev-2f15fc4bdf91eb399da3f47a09c55831d9f22826.zip op-kernel-dev-2f15fc4bdf91eb399da3f47a09c55831d9f22826.tar.gz | |
pm: schedule sysrq poweroff on boot cpu
schedule sysrq poweroff on boot cpu.
sysrq poweroff needs to disable nonboot cpus, and we need to run this on boot
cpu to avoid any recursion. http://bugzilla.kernel.org/show_bug.cgi?id=10897
[kosaki.motohiro@jp.fujitsu.com: build fix]
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Tested-by: Rus <harbour@sfinx.od.ua>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | kernel/power/poweroff.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c index 678ec73..72016f0 100644 --- a/kernel/power/poweroff.c +++ b/kernel/power/poweroff.c @@ -10,6 +10,7 @@ #include <linux/pm.h> #include <linux/workqueue.h> #include <linux/reboot.h> +#include <linux/cpumask.h> /* * When the user hits Sys-Rq o to power down the machine this is the @@ -25,7 +26,8 @@ static DECLARE_WORK(poweroff_work, do_poweroff); static void handle_poweroff(int key, struct tty_struct *tty) { - schedule_work(&poweroff_work); + /* run sysrq poweroff on boot cpu */ + schedule_work_on(first_cpu(cpu_online_map), &poweroff_work); } static struct sysrq_key_op sysrq_poweroff_op = { |
