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SubjectRe: [PATCH] pidfd: change do_notify_pidfd() to use __wake_up(poll_to_key(EPOLLIN))
Date
On Mon, 05 Feb 2024 15:13:48 +0100, Oleg Nesterov wrote:
> rather than wake_up_all(). This way do_notify_pidfd() won't wakeup the
> POLLHUP-only waiters which wait for pid_task() == NULL.
>
> TODO:
> - as Christian pointed out, this asks for the new wake_up_all_poll()
> helper, it can already have other users.
>
> [...]

Applied to the vfs.pidfd branch of the vfs/vfs.git tree.
Patches in the vfs.pidfd branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.pidfd

[1/1] pidfd: change do_notify_pidfd() to use __wake_up(poll_to_key(EPOLLIN))
https://git.kernel.org/vfs/vfs/c/e1358f104c9e

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