linux-kernel - Re: [PATCH V2 02/12] virtio: add doc for validate() method

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Date:   Wed, 13 Oct 2021 06:09:03 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, f.hetzelt@...berlin.de,
        david.kaplan@....com, konrad.wilk@...cle.com
Subject: Re: [PATCH V2 02/12] virtio: add doc for validate() method

On Tue, Oct 12, 2021 at 02:52:17PM +0800, Jason Wang wrote:
> This patch adds doc for validate() method.
> 
> Signed-off-by: Jason Wang <jasowang@...hat.com>

And maybe document __virtio_clear_bit : it says
"for use by transports" and now it's also legal in the
validate callback.

> ---
>  include/linux/virtio.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/virtio.h b/include/linux/virtio.h
> index 41edbc01ffa4..0cd8685aeba4 100644
> --- a/include/linux/virtio.h
> +++ b/include/linux/virtio.h
> @@ -152,6 +152,7 @@ size_t virtio_max_dma_size(struct virtio_device *vdev);
>   * @feature_table_size: number of entries in the feature table array.
>   * @feature_table_legacy: same as feature_table but when working in legacy mode.
>   * @feature_table_size_legacy: number of entries in feature table legacy array.
> + * @validate: optional function to do early checks
>   * @probe: the function to call when a device is found.  Returns 0 or -errno.
>   * @scan: optional function to call after successful probe; intended
>   *    for virtio-scsi to invoke a scan.
> -- 
> 2.25.1