linux-kernel - Re: [PATCH] io_uring: use call_rcu

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Message-ID: <CAEXW_YSUTzKurSdGxR=tWAoPu=V2xxiqRuPGiD3C892hUiQp7Q@mail.gmail.com>
Date:   Thu, 15 Dec 2022 13:51:50 -0500
From:   Joel Fernandes <joel@...lfernandes.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Pavel Begunkov <asml.silence@...il.com>,
        Dylan Yudaken <dylany@...a.com>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: Re: [PATCH] io_uring: use call_rcu_hurry if signaling an eventfd

On Thu, Dec 15, 2022 at 1:49 PM Jens Axboe <axboe@...nel.dk> wrote:
>
>
> On Thu, 15 Dec 2022 10:41:38 -0800, Dylan Yudaken wrote:
> > io_uring uses call_rcu in the case it needs to signal an eventfd as a
> > result of an eventfd signal, since recursing eventfd signals are not
> > allowed. This should be calling the new call_rcu_hurry API to not delay
> > the signal.
> >
> > Signed-off-by: Dylan Yudaken <dylany@...a.com>
> >
> > [...]
>
> Applied, thanks!
>
> [1/1] io_uring: use call_rcu_hurry if signaling an eventfd
>       commit: de8f0209fe8064172a86a61537a7b21d6e5334ad

Reviewed-by: Joel Fernandes (Google) <joel@...lfernandes.org>

thanks,

 - Joel