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signals: annotate lock context change on ptrace_stop()

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ptrace_stop() releases and regrabs current->sighand->siglock but was
missing proper annotation.  Add it.

Signed-off-by: Namhyung Kim <[email protected]>
Acked-by: Roland McGrath <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Namhyung Kim 2010-10-27 15:34:07 -07:00 • committed by Linus Torvalds
commit b840115083
1 changed files with 2 additions and 0 deletions
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2
kernel/signal.c
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@ -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)) {
/*