linux-kernel - Re: [PATCH 0/2] vhost/vsock: fix used length and cleanup in vhost_vsock_handle_tx

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Message-ID: <YZzketMjpZ+Pn9aA@stefanha-x1.localdomain>
Date:   Tue, 23 Nov 2021 12:54:18 +0000
From:   Stefan Hajnoczi <stefanha@...hat.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
        netdev@...r.kernel.org, Halil Pasic <pasic@...ux.ibm.com>,
        kvm@...r.kernel.org, Asias He <asias@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>
Subject: Re: [PATCH 0/2] vhost/vsock: fix used length and cleanup in
 vhost_vsock_handle_tx_kick()

On Mon, Nov 22, 2021 at 05:35:23PM +0100, Stefano Garzarella wrote:
> This is a follow-up to Micheal's patch [1] and the discussion with Halil and
> Jason [2].
> 
> I made two patches, one to fix the problem and one for cleanup. This should
> simplify the backport of the fix because we've had the problem since
> vhost-vsock was introduced (v4.8) and that part has been touched a bit
> recently.
> 
> Thanks,
> Stefano
> 
> [1] https://lore.kernel.org/virtualization/20211122105822.onarsa4sydzxqynu@steredhat/T/#t
> [2] https://lore.kernel.org/virtualization/20211027022107.14357-1-jasowang@redhat.com/T/#t
> 
> Stefano Garzarella (2):
>   vhost/vsock: fix incorrect used length reported to the guest
>   vhost/vsock: cleanup removing `len` variable
> 
>  drivers/vhost/vsock.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> -- 
> 2.31.1
> 

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>

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