linux-kernel - Re: [PATCH] virtio: document @vaddr in virtqueue_map_free

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Message-ID: <CACGkMEs=xB3nZZMaQC6m15Gm+K9fiS68twD4vOgQid-B0BQ8Qw@mail.gmail.com>
Date: Thu, 6 Nov 2025 14:44:12 +0800
From: Jason Wang <jasowang@...hat.com>
To: Sukrut Heroorkar <hsukrut3@...il.com>
Cc: "Michael S. Tsirkin" <mst@...hat.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, 
	Eugenio Pérez <eperezma@...hat.com>, 
	"open list:VIRTIO CORE AND NET DRIVERS" <virtualization@...ts.linux.dev>, open list <linux-kernel@...r.kernel.org>, 
	shuah@...nel.org, david.hunter.linux@...il.com
Subject: Re: [PATCH] virtio: document @vaddr in virtqueue_map_free_coherent
 kernel-doc comment

On Wed, Oct 29, 2025 at 11:36 AM Sukrut Heroorkar <hsukrut3@...il.com> wrote:
>
> Building with W=1 reports:
> Warning: drivers/virtio/virtio_ring.c:3174 function parameter 'vaddr'
> not described in 'virtqueue_map_free_coherent'
>
> The @vaddr parameter was introduced when virtqueue_map_free_coherent
> was added in order to provide map operations to virtio device, but it
> was never documented. Document @vaddr to silence this warning.
>
> Fixes: bee8c7c24b73 ("virtio: introduce map ops in virtio core")
> Signed-off-by: Sukrut Heroorkar <hsukrut3@...il.com>

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks