linux-kernel - Re: [PATCH v7 6/7] vduse: add vq group asid support

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Message-ID: <CACGkMEuXNt2XL4yEu_5NPM4YskpqHCRXRm7bDjppJsBV4WMVRw@mail.gmail.com>
Date: Sat, 11 Oct 2025 13:23:26 +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 6/7] vduse: add vq group asid support

On Fri, Oct 10, 2025 at 4:59 PM Eugenio Pérez <eperezma@...hat.com> wrote:
>
> Add support for assigning Address Space Identifiers (ASIDs) to each VQ
> group.  This enables mapping each group into a distinct memory space.
>
> Now that the driver can change ASID in the middle of operation, the
> domain that each vq address point is also protected by domain_lock.
>
> Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
> ---
> v7:
> * Take write lock in the error path (Jason).
>

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

Thanks