From: Jens Axboe <axboe@kernel.dk>
To: Dylan Yudaken <dylany@fb.com>, bcrl@kvack.org, viro@zeniv.linux.org.uk
Cc: Kernel-team@fb.com, linux-fsdevel@vger.kernel.org,
linux-aio@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] eventfd: guard wake_up in eventfd fs calls as well
Date: Tue, 30 Aug 2022 09:12:58 -0600 [thread overview]
Message-ID: <166187237835.55711.10817834766770223688.b4-ty@kernel.dk> (raw)
In-Reply-To: <20220816135959.1490641-1-dylany@fb.com>
On Tue, 16 Aug 2022 06:59:59 -0700, Dylan Yudaken wrote:
> Guard wakeups that the user can trigger, and that may end up triggering a
> call back into eventfd_signal. This is in addition to the current approach
> that only guards in eventfd_signal.
>
> Rename in_eventfd_signal -> in_eventfd at the same time to reflect this.
>
> Without this there would be a deadlock in the following code using libaio:
>
> [...]
Applied, thanks!
[1/1] eventfd: guard wake_up in eventfd fs calls as well
commit: 07106d2635a6d1eb55bb13e6c89c92ae5483b050
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2022-08-30 15:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-16 13:59 Dylan Yudaken
2022-08-17 16:44 ` Jens Axboe
2022-08-30 15:12 ` Jens Axboe [this message]
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