linux-kernel - Re: [PATCH] eventfd: guard wake_up in eventfd fs calls as well

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Message-Id: <166187237835.55711.10817834766770223688.b4-ty@kernel.dk>
Date:   Tue, 30 Aug 2022 09:12:58 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Dylan Yudaken <dylany@...com>, bcrl@...ck.org,
        viro@...iv.linux.org.uk
Cc:     Kernel-team@...com, linux-fsdevel@...r.kernel.org,
        linux-aio@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eventfd: guard wake_up in eventfd fs calls as well

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