linux-kernel - Re: [RFC PATCH] epoll: Add synchronous wakeup support for ep_poll

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Message-ID: <20241016-kurieren-intellektuell-50bd02f377e4@brauner>
Date: Wed, 16 Oct 2024 15:10:34 +0200
From: Christian Brauner <brauner@...nel.org>
To: Xuewen Yan <xuewen.yan@...soc.com>
Cc: Christian Brauner <brauner@...nel.org>,
	jack@...e.cz,
	dietmar.eggemann@....com,
	rostedt@...dmis.org,
	bsegall@...gle.com,
	mgorman@...e.de,
	bristot@...hat.com,
	vschneid@...hat.com,
	cmllamas@...gle.com,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	ke.wang@...soc.com,
	jing.xia@...soc.com,
	xuewen.yan94@...il.com,
	viro@...iv.linux.org.uk,
	mingo@...hat.com,
	peterz@...radead.org,
	juri.lelli@...hat.com,
	vincent.guittot@...aro.org
Subject: Re: [RFC PATCH] epoll: Add synchronous wakeup support for ep_poll_callback

On Fri, 26 Apr 2024 16:05:48 +0800, Xuewen Yan wrote:
> Now, the epoll only use wake_up() interface to wake up task.
> However, sometimes, there are epoll users which want to use
> the synchronous wakeup flag to hint the scheduler, such as
> Android binder driver.
> So add a wake_up_sync() define, and use the wake_up_sync()
> when the sync is true in ep_poll_callback().
> 
> [...]

Applied to the vfs.misc branch of the vfs/vfs.git tree.
Patches in the vfs.misc 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.misc

[1/1] epoll: Add synchronous wakeup support for ep_poll_callback
      https://git.kernel.org/vfs/vfs/c/2ce0e17660a7