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Date: Wed, 7 Aug 2024 20:22:24 -0700
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
Message-ID: <20240807202224.0fe40c4b@kernel.org>
In-Reply-To: <20240806123301.167557-1-jdamato@fastly.com>
References: <20240806123301.167557-1-jdamato@fastly.com>
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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.
-- 
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