linux-kernel - Re: [PATCH v8 00/10] Introduce VDUSE

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Message-ID: <YNSgyTHpNjxdKLLR@stefanha-x1.localdomain>
Date:   Thu, 24 Jun 2021 16:12:09 +0100
From:   Stefan Hajnoczi <stefanha@...hat.com>
To:     Xie Yongji <xieyongji@...edance.com>
Cc:     mst@...hat.com, jasowang@...hat.com, sgarzare@...hat.com,
        parav@...dia.com, hch@...radead.org,
        christian.brauner@...onical.com, rdunlap@...radead.org,
        willy@...radead.org, viro@...iv.linux.org.uk, axboe@...nel.dk,
        bcrl@...ck.org, corbet@....net, mika.penttila@...tfour.com,
        dan.carpenter@...cle.com, joro@...tes.org,
        gregkh@...uxfoundation.org, songmuchun@...edance.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 00/10] Introduce VDUSE - vDPA Device in Userspace

On Tue, Jun 15, 2021 at 10:13:21PM +0800, Xie Yongji wrote:
> This series introduces a framework that makes it possible to implement
> software-emulated vDPA devices in userspace. And to make it simple, the
> emulated vDPA device's control path is handled in the kernel and only the
> data path is implemented in the userspace.

This looks interesting. Unfortunately I don't have enough time to do a
full review, but I looked at the documentation and uapi header file to
give feedback on the userspace ABI.

Stefan

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