linux-kernel - Re: [PATCH v7 3/7] vduse: add vq group support

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Message-ID: <CACGkMEtKm0WhbGSLaHreAga7r_=fX2mrG3s+-hORYW5it-NpYg@mail.gmail.com>
Date: Sat, 11 Oct 2025 13:22:00 +0800
From: Jason Wang <jasowang@...hat.com>
To: Eugenio Pérez <eperezma@...hat.com>
Cc: "Michael S . Tsirkin" <mst@...hat.com>, Yongji Xie <xieyongji@...edance.com>, 
	Stefano Garzarella <sgarzare@...hat.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, 
	virtualization@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	Maxime Coquelin <mcoqueli@...hat.com>, Laurent Vivier <lvivier@...hat.com>, Cindy Lu <lulu@...hat.com>
Subject: Re: [PATCH v7 3/7] vduse: add vq group support

On Fri, Oct 10, 2025 at 4:58 PM Eugenio Pérez <eperezma@...hat.com> wrote:
>
> This allows separate the different virtqueues in groups that shares the
> same address space.  Asking the VDUSE device for the groups of the vq at
> the beginning as they're needed for the DMA API.
>
> Allocating 3 vq groups as net is the device that need the most groups:
> * Dataplane (guest passthrough)
> * CVQ
> * Shadowed vrings.
>
> Future versions of the series can include dynamic allocation of the
> groups array so VDUSE can declare more groups.
>
> Signed-off-by: Eugenio Pérez <eperezma@...hat.com>

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

Thanks