From 2a23b5d1e119fd10e25b8e93464c8d549f5a5c5d Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Sat, 3 Sep 2005 15:56:53 -0700 Subject: [PATCH] [PATCH] remove busywait in refrigerator This should make refrigerator sleep properly, not busywait after the first schedule() returns. Signed-off-by: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/power/process.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/power/process.c b/kernel/power/process.c index 3bd0d261818f..f7da5bfc914e 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -38,7 +38,6 @@ void refrigerator(void) processes around? */ long save; save = current->state; - current->state = TASK_UNINTERRUPTIBLE; pr_debug("%s entered refrigerator\n", current->comm); printk("="); @@ -47,8 +46,10 @@ void refrigerator(void) recalc_sigpending(); /* We sent fake signal, clean it up */ spin_unlock_irq(¤t->sighand->siglock); - while (frozen(current)) + while (frozen(current)) { + current->state = TASK_UNINTERRUPTIBLE; schedule(); + } pr_debug("%s left refrigerator\n", current->comm); current->state = save; } -- 2.20.1