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Commit b8401150 authored by Namhyung Kim's avatar Namhyung Kim Committed by Linus Torvalds
Browse files

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: default avatarNamhyung Kim <namhyung@gmail.com>
Acked-by: default avatarRoland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b8ed374e

kernel/signal.c

+2 −0
Original line number Diff line number Diff line
@@ -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)) {

		/*