From: Rafael J. Wysocki <[email protected]>
Kernel threads can become userland processes by calling kernel_execve(). In
particular, this may happen right after
try_to_freeze_tasks(FREEZER_USER_SPACE) has returned, so try_to_freeze_tasks()
needs to take userspace processes into consideration even if it is called with
FREEZER_KERNEL_THREADS.
Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Pavel Machek <[email protected]>
---
kernel/power/process.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/power/process.c
===================================================================
--- linux-2.6.orig/kernel/power/process.c 2007-05-10 21:44:36.000000000 +0200
+++ linux-2.6/kernel/power/process.c 2007-05-10 21:44:40.000000000 +0200
@@ -126,7 +126,7 @@ static unsigned int try_to_freeze_tasks(
cancel_freezing(p);
continue;
}
- if (is_user_space(p) == !freeze_user_space)
+ if (freeze_user_space && !is_user_space(p))
continue;
freeze_process(p);
@@ -153,7 +153,7 @@ static unsigned int try_to_freeze_tasks(
TIMEOUT / HZ, todo);
read_lock(&tasklist_lock);
do_each_thread(g, p) {
- if (is_user_space(p) == !freeze_user_space)
+ if (freeze_user_space && !is_user_space(p))
continue;
task_lock(p);
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
