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| author | Ingo Molnar <mingo@elte.hu> | 2012-01-17 09:51:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-01-17 09:51:46 +0100 |
| commit | 6eadf1075c6f923fece419e38cf05bff559aefcd (patch) | |
| tree | b743ce0a3743d6f1b915b19b077a6d5bad980ea1 /kernel/exit.c | |
| parent | a1c611745c8c4e8996c1877d4e5d0fc95f227c38 (diff) | |
| parent | c10076c4304083af15a41f6bc5e657e781c1f9a6 (diff) | |
Merge branch 'tip/perf/urgent-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index d0b7d988f87..e6e01b959a0 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1540,8 +1540,15 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace, } /* dead body doesn't have much to contribute */ - if (p->exit_state == EXIT_DEAD) + if (unlikely(p->exit_state == EXIT_DEAD)) { + /* + * But do not ignore this task until the tracer does + * wait_task_zombie()->do_notify_parent(). + */ + if (likely(!ptrace) && unlikely(ptrace_reparented(p))) + wo->notask_error = 0; return 0; + } /* slay zombie? */ if (p->exit_state == EXIT_ZOMBIE) { |