The patch titled signals: send_group_sigqueue: don't take tasklist_lock has been removed from the -mm tree. Its filename was signals-send_group_sigqueue-dont-take-tasklist_lock.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: signals: send_group_sigqueue: don't take tasklist_lock From: Oleg Nesterov <oleg@xxxxxxxxxx> handle_stop_signal() was changed, now send_group_sigqueue() doesn't need tasklist_lock. Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Roland McGrath <roland@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/signal.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff -puN kernel/signal.c~signals-send_group_sigqueue-dont-take-tasklist_lock kernel/signal.c --- a/kernel/signal.c~signals-send_group_sigqueue-dont-take-tasklist_lock +++ a/kernel/signal.c @@ -1335,7 +1335,6 @@ send_group_sigqueue(int sig, struct sigq BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); - read_lock(&tasklist_lock); /* Since it_lock is held, p->sighand cannot be NULL. */ spin_lock_irqsave(&p->sighand->siglock, flags); @@ -1344,7 +1343,7 @@ send_group_sigqueue(int sig, struct sigq __group_complete_signal(sig, p); spin_unlock_irqrestore(&p->sighand->siglock, flags); - read_unlock(&tasklist_lock); + return ret; } _ Patches currently in -mm which might be from oleg@xxxxxxxxxx are origin.patch posix-timers-bug-10460-discard-the-pending-signal-when-the-timer-is-destroyed.patch workqueue-remove-redundant-function-invocation.patch put_pid-make-sure-we-dont-free-the-live-pid.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html