linux-kernel - Re: [PATCH V6 2/9] virtio: use virtio_reset

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Message-ID: <1653636601.072258-2-xuanzhuo@linux.alibaba.com>
Date:   Fri, 27 May 2022 15:30:01 +0800
From:   Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     tglx@...utronix.de, peterz@...radead.org, paulmck@...nel.org,
        maz@...nel.org, pasic@...ux.ibm.com, cohuck@...hat.com,
        eperezma@...hat.com, lulu@...hat.com, sgarzare@...hat.com,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        linux-s390@...r.kernel.org, mst@...hat.com, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 2/9] virtio: use virtio_reset_device() when possible

On Fri, 27 May 2022 14:01:13 +0800, Jason Wang <jasowang@...hat.com> wrote:
> This allows us to do common extension without duplicating code.
>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: "Paul E. McKenney" <paulmck@...nel.org>
> Cc: Marc Zyngier <maz@...nel.org>
> Cc: Halil Pasic <pasic@...ux.ibm.com>
> Cc: Cornelia Huck <cohuck@...hat.com>
> Cc: Vineeth Vijayan <vneethv@...ux.ibm.com>
> Cc: Peter Oberparleiter <oberpar@...ux.ibm.com>
> Cc: linux-s390@...r.kernel.org
> Reviewed-by: Cornelia Huck <cohuck@...hat.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Reviewed-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>

> ---
>  drivers/virtio/virtio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index 938e975029d4..aa1eb5132767 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -430,7 +430,7 @@ int register_virtio_device(struct virtio_device *dev)
>
>  	/* We always start by resetting the device, in case a previous
>  	 * driver messed it up.  This also tests that code path a little. */
> -	dev->config->reset(dev);
> +	virtio_reset_device(dev);
>
>  	/* Acknowledge that we've seen the device. */
>  	virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
> @@ -496,7 +496,7 @@ int virtio_device_restore(struct virtio_device *dev)
>
>  	/* We always start by resetting the device, in case a previous
>  	 * driver messed it up. */
> -	dev->config->reset(dev);
> +	virtio_reset_device(dev);
>
>  	/* Acknowledge that we've seen the device. */
>  	virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
> --
> 2.25.1
>