The patch titled signals: check_kill_permission: remove tasklist_lock has been removed from the -mm tree. Its filename was signals-check_kill_permission-remove-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: check_kill_permission: remove tasklist_lock From: Oleg Nesterov <oleg@xxxxxxxxxx> Now that task_session() can't return a false NULL, check_kill_permission() 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 | 2 -- 1 file changed, 2 deletions(-) diff -puN kernel/signal.c~signals-check_kill_permission-remove-tasklist_lock kernel/signal.c --- a/kernel/signal.c~signals-check_kill_permission-remove-tasklist_lock +++ a/kernel/signal.c @@ -551,9 +551,7 @@ static int check_kill_permission(int sig !capable(CAP_KILL)) { switch (sig) { case SIGCONT: - read_lock(&tasklist_lock); sid = task_session(t); - read_unlock(&tasklist_lock); /* * We don't return the error if sid == NULL. The * task was unhashed, the caller must notice this. _ 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