From: Oleg Nesterov <oleg@redhat.com>
To: fujo <hooyan2024@gmail.com>
Cc: linux-fsdevel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] selftests/pidfd: wait for POLLHUP before reading exit info
Date: Tue, 20 Oct 2026 11:52:53 +0200 [thread overview]
Message-ID: <atc59R5-oBnyOIb8@redhat.com> (raw)
In-Reply-To: <179234213014.649.6368924662349703640@gmail.com>
On 10/18, fujo wrote:
>
> The zero-timeout liveness check in autokill_pidfd_open_no_effect keeps
> POLLIN; it verifies that the child has not exited yet.
Confused... V3 still changes the 1st poll(&pfd, 1, 0) to use POLLHUP?
Oleg.
prev parent reply other threads:[~2026-10-20 9:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-17 5:43 [RFC PATCH] pidfs: don't report autoreaped tasks readable before exit info exists fujo
2026-10-17 13:48 ` Oleg Nesterov
2026-10-17 19:23 ` fujo
2026-10-18 16:30 ` Oleg Nesterov
2026-10-17 19:23 ` [PATCH v2] selftests/pidfd: wait for POLLHUP before reading exit info fujo
2026-10-18 16:25 ` Oleg Nesterov
2026-10-18 16:48 ` fujo
2026-10-18 19:27 ` Oleg Nesterov
2026-10-18 16:48 ` [PATCH v3] " fujo
2026-10-20 9:52 ` Oleg Nesterov [this message]
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