From: Jakub Kicinski <kuba@kernel.org>
To: Joe Damato <jdamato@fastly.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
netdev@vger.kernel.org, Martin Karsten <mkarsten@uwaterloo.ca>,
stable@vger.kernel.org, Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Stanislav Fomichev <sdf@fomichev.me>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH net] eventpoll: Annotate data-race of busy_poll_usecs
Date: Wed, 7 Aug 2024 20:22:24 -0700 [thread overview]
Message-ID: <20240807202224.0fe40c4b@kernel.org> (raw)
In-Reply-To: <20240806123301.167557-1-jdamato@fastly.com>
On Tue, 6 Aug 2024 12:33:01 +0000 Joe Damato wrote:
> From: Martin Karsten <mkarsten@uwaterloo.ca>
>
> A struct eventpoll's busy_poll_usecs field can be modified via a user
> ioctl at any time. All reads of this field should be annotated with
> READ_ONCE.
>
> Fixes: 85455c795c07 ("eventpoll: support busy poll per epoll instance")
> Cc: stable@vger.kernel.org
> Signed-off-by: Martin Karsten <mkarsten@uwaterloo.ca>
> Reviewed-by: Joe Damato <jdamato@fastly.com>
Christian took the net-next cleanup, I presume he'll take this too.
--
pw-bot: not-applicable
next prev parent reply other threads:[~2024-08-08 3:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 12:33 [PATCH net] eventpoll: Annotate data-race of busy_poll_usecs Joe Damato
2024-08-08 3:22 ` Jakub Kicinski [this message]
2024-08-08 7:13 ` Christian Brauner
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