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Message-ID: <YqnIWCXxsGzkfQp7@infradead.org>
Date: Wed, 15 Jun 2022 04:54:00 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Juergen Gross <jgross@...e.com>
Cc: Christoph Hellwig <hch@...radead.org>,
xen-devel@...ts.xenproject.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
Stefano Stabellini <sstabellini@...nel.org>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
Subject: Re: [PATCH] xen: don't require virtio with grants for non-PV guests
On Wed, Jun 15, 2022 at 01:39:01PM +0200, Juergen Gross wrote:
> No, it doesn't. I'm working on a qemu patch series enabling the qemu
> based backends to support grants with virtio. The code is working fine
> on x86, too (apart from the fact that the backends aren't ready yet).
The code right now in mainline only ever sets the ops for DMA. So
I can't see how you could make it work.
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