Messages in this thread Patch in this message | | | Date | Fri, 2 Feb 2024 16:16:28 +0100 | From | Christian Brauner <> | Subject | Re: [PATCH 1/3] pidfd_poll: report POLLHUP when pid_task() == NULL |
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On Fri, Feb 02, 2024 at 03:44:45PM +0100, Christian Brauner wrote: > > TODO: change do_notify_pidfd() to use the keyed wakeups. > > How does the following appended patch look?
I missed the conversion in detach_pid() which should also just become:
diff --git a/kernel/pid.c b/kernel/pid.c index de0bf2f8d18b..1bfcfa195226 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -351,7 +351,8 @@ static void __change_pid(struct task_struct *task, enum pid_type type,
if (type == PIDTYPE_PID) { WARN_ON_ONCE(pid_has_task(pid, PIDTYPE_PID)); - wake_up_all(&pid->wait_pidfd); + pidfd_wake_up_poll(&pid->wait_pidfd, + EPOLLIN | EPOLLRDNORM | EPOLLHUP); }
for (tmp = PIDTYPE_MAX; --tmp >= 0; )
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