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Re: [PATCH] xen: don't require virtio with grants for non-PV guests

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
From: Juergen Gross <jgross@xxxxxxxx>
Date: Wed, 15 Jun 2022 13:26:27 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jonathan Corbet <corbet@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
Delivery-date: Wed, 15 Jun 2022 11:26:31 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 15.06.22 13:24, Christoph Hellwig wrote:

I don't think this command line mess is a good idea.  Instead the
brand new grant devices need to be properly advertised in the device
tree, and any device that isn't a grant device doesn't need
VIRTIO_F_ACCESS_PLATFORM.  No need for a command line or user
intervention.


And on x86?


Juergen

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