linux-kernel - Re: [PATCH] pidfd: getfd should always report ESRCH if a task is exiting

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Message-ID: <ZcKJ7YYJK9przO8K@tycho.pizza>
Date: Tue, 6 Feb 2024 12:35:09 -0700
From: Tycho Andersen <tycho@...ho.pizza>
To: Oleg Nesterov <oleg@...hat.com>
Cc: Christian Brauner <brauner@...nel.org>,
	"Eric W . Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	Tycho Andersen <tandersen@...flix.com>
Subject: Re: [PATCH] pidfd: getfd should always report ESRCH if a task is
 exiting

On Tue, Feb 06, 2024 at 08:25:54PM +0100, Oleg Nesterov wrote:
> But Tycho, I won't insist. If you prefer to check PF_EXITING, I am fine.

Looks like we raced, I sent a v2 with PF_EXITING, mostly because I
didn't want to run into weird things I didn't understand. I'm happy to
fix it up to check ->files if that's what you prefer Christian?

Tycho