diff options
| author |   Oleg Nesterov <oleg@redhat.com> | 2024-02-02 14:12:48 +0100 |
|---|---|---|
| committer |   Christian Brauner <brauner@kernel.org> | 2024-02-02 14:57:53 +0100 |
| commit | 90f92b68c9869913753f8bc1d87b7762a5f36873 (patch) | |
| tree | 55c32034c513daef9f2a31aef928032f0566d637 /fs/exec.c | |
| parent | pidfd_poll: report POLLHUP when pid_task() == NULL (diff) | |
| download | wireguard-linux-90f92b68c9869913753f8bc1d87b7762a5f36873.tar.xz wireguard-linux-90f92b68c9869913753f8bc1d87b7762a5f36873.zip | |
pidfd: kill the no longer needed do_notify_pidfd() in de_thread()
Now that __change_pid() does wake_up_all(&pid->wait_pidfd) we can kill
do_notify_pidfd(leader) in de_thread(), it calls release_task(leader)
right after that and this implies detach_pid(leader, PIDTYPE_PID).
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20240202131248.GA26022@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/exec.c b/fs/exec.c index b68f61bbcaa8..ca0d53edac99 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1144,11 +1144,6 @@ static int de_thread(struct task_struct *tsk) BUG_ON(leader->exit_state != EXIT_ZOMBIE); leader->exit_state = EXIT_DEAD; /* - * leader and tsk exhanged their pids, the old pid dies, - * wake up the PIDFD_THREAD waiters. - */ - do_notify_pidfd(leader); - /* * We are going to release_task()->ptrace_unlink() silently, * the tracer can sleep in do_wait(). EXIT_DEAD guarantees * the tracer won't block again waiting for this thread. |