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authorNamhyung Kim <namhyung@gmail.com>2010-10-27 15:34:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:12 -0700
commitb84011508360d6885a9d95a235ec77d56f133377 (patch)
tree471f4aecda99cb5f82b0fa957887c10d5d176960 /kernel
parentb8ed374e202e23caaf9bd77dcadc9de6447faaa8 (diff)
downloadlinux-2.6.38-lt-ux500-b84011508360d6885a9d95a235ec77d56f133377.tar.gz
signals: annotate lock context change on ptrace_stop()
ptrace_stop() releases and regrabs current->sighand->siglock but was missing proper annotation. Add it. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Roland McGrath <roland@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/signal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index e921409b85a..4e3cff10fdc 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1618,6 +1618,8 @@ static int sigkill_pending(struct task_struct *tsk)
* is gone, we keep current->exit_code unless clear_code.
*/
static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
+ __releases(&current->sighand->siglock)
+ __acquires(&current->sighand->siglock)
{
if (arch_ptrace_stop_needed(exit_code, info)) {
/*