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

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To: Juergen Gross <jgross@xxxxxxxx>
Subject: Re: [PATCH] xen: don't require virtio with grants for non-PV guests
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 15 Jun 2022 04:24:22 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jonathan Corbet <corbet@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
In-reply-to: <20220615084835.27113-1-jgross@suse.com>
References: <20220615084835.27113-1-jgross@suse.com>

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.

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  - From: Juergen Gross

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