diff options
author | Pavel Machek <pavel@ucw.cz> | 2005-09-03 18:56:53 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 03:06:14 -0400 |
commit | 2a23b5d1e119fd10e25b8e93464c8d549f5a5c5d (patch) | |
tree | 60eede3a1a0a92837c0207de2750880d9a309db1 /kernel | |
parent | 52fdd08903a1d1162e184114837e232640191627 (diff) |
[PATCH] remove busywait in refrigerator
This should make refrigerator sleep properly, not busywait after the first
schedule() returns.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/power/process.c | 5 |
1 files 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) | |||
38 | processes around? */ | 38 | processes around? */ |
39 | long save; | 39 | long save; |
40 | save = current->state; | 40 | save = current->state; |
41 | current->state = TASK_UNINTERRUPTIBLE; | ||
42 | pr_debug("%s entered refrigerator\n", current->comm); | 41 | pr_debug("%s entered refrigerator\n", current->comm); |
43 | printk("="); | 42 | printk("="); |
44 | 43 | ||
@@ -47,8 +46,10 @@ void refrigerator(void) | |||
47 | recalc_sigpending(); /* We sent fake signal, clean it up */ | 46 | recalc_sigpending(); /* We sent fake signal, clean it up */ |
48 | spin_unlock_irq(¤t->sighand->siglock); | 47 | spin_unlock_irq(¤t->sighand->siglock); |
49 | 48 | ||
50 | while (frozen(current)) | 49 | while (frozen(current)) { |
50 | current->state = TASK_UNINTERRUPTIBLE; | ||
51 | schedule(); | 51 | schedule(); |
52 | } | ||
52 | pr_debug("%s left refrigerator\n", current->comm); | 53 | pr_debug("%s left refrigerator\n", current->comm); |
53 | current->state = save; | 54 | current->state = save; |
54 | } | 55 | } |