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authorMandeep Singh Baines <msb@chromium.org>2013-02-27 17:03:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 19:10:11 -0800
commit80d26af89a7249aa5475467000322163c60cdd72 (patch)
treee611dcf9d6962c81186ede5e94570a730accc222 /kernel/exit.c
parent6aa9707099c4b25700940eb3d016f16c4434360d (diff)
downloadlinux-80d26af89a7249aa5475467000322163c60cdd72.tar.bz2
coredump: use a freezable_schedule for the coredump_finish wait
Prevents hung_task detector from panicing the machine. This is also needed to prevent this wait from blocking suspend. (It doesnt' currently block suspend but it would once the next patch in this series is applied.) [yongjun_wei@trendmicro.com.cn: kernel/exit.c: remove duplicated include] Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Cc: Ben Chan <benchan@chromium.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index aaf97c122e8a..51e485ca9935 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -20,6 +20,7 @@
#include <linux/tsacct_kern.h>
#include <linux/file.h>
#include <linux/fdtable.h>
+#include <linux/freezer.h>
#include <linux/binfmts.h>
#include <linux/nsproxy.h>
#include <linux/pid_namespace.h>
@@ -31,7 +32,6 @@
#include <linux/mempolicy.h>
#include <linux/taskstats_kern.h>
#include <linux/delayacct.h>
-#include <linux/freezer.h>
#include <linux/cgroup.h>
#include <linux/syscalls.h>
#include <linux/signal.h>
@@ -485,7 +485,7 @@ static void exit_mm(struct task_struct * tsk)
set_task_state(tsk, TASK_UNINTERRUPTIBLE);
if (!self.task) /* see coredump_finish() */
break;
- schedule();
+ freezable_schedule();
}
__set_task_state(tsk, TASK_RUNNING);
down_read(&mm->mmap_sem);