linux-kernel - Re: [PATCH v2 01/24] virtio

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Message-Id: <D9D808BB-4A2F-459D-8E2C-CC0C6E0D5C99@redhat.com>
Date:   Mon, 3 Aug 2020 23:25:44 +0200
From:   David Hildenbrand <david@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v2 01/24] virtio_balloon: fix sparse warning



> Am 03.08.2020 um 22:58 schrieb Michael S. Tsirkin <mst@...hat.com>:
> 
> balloon uses virtio32_to_cpu instead of cpu_to_virtio32
> to convert a native endian number to virtio.
> No practical difference but makes sparse warn.
> Fix it up.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

I think I acked this one already.

Acked-by: David Hildenbrand <david@...hat.com>

> ---
> drivers/virtio/virtio_balloon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> index 54fd989f9353..8bc1704ffdf3 100644
> --- a/drivers/virtio/virtio_balloon.c
> +++ b/drivers/virtio/virtio_balloon.c
> @@ -600,7 +600,7 @@ static int send_cmd_id_start(struct virtio_balloon *vb)
>    while (virtqueue_get_buf(vq, &unused))
>        ;
> 
> -    vb->cmd_id_active = virtio32_to_cpu(vb->vdev,
> +    vb->cmd_id_active = cpu_to_virtio32(vb->vdev,
>                    virtio_balloon_cmd_id_received(vb));
>    sg_init_one(&sg, &vb->cmd_id_active, sizeof(vb->cmd_id_active));
>    err = virtqueue_add_outbuf(vq, &sg, 1, &vb->cmd_id_active, GFP_KERNEL);
> -- 
> MST
>