linux-kernel - Re: [Xen-devel] [PATCH] allow xenfb initialization for hvm guests

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Date:	Wed, 18 Dec 2013 15:18:45 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Ian Campbell <Ian.Campbell@...rix.com>, <david.vrabel@...rix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	<xen-devel@...ts.xensource.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH] allow xenfb initialization for hvm guests

On Wed, 18 Dec 2013, Konrad Rzeszutek Wilk wrote:
> On Wed, Dec 18, 2013 at 11:51:22AM +0000, Ian Campbell wrote:
> > On Tue, 2013-12-17 at 17:53 +0000, Stefano Stabellini wrote:
> > > There is no reasons why an HVM guest shouldn't be allowed to use xenfb.
> > > As a matter of fact ARM guests, HVM from Linux POV, can use xenfb.
> > > Given that no Xen toolstacks configure a xenfb backend for x86 HVM
> > > guests, they are not affected.
> > 
> > and if a toolstack did I think it would be reasonable to expect the
> > kernel to at least try and drive it!
> > 
> > > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> > 
> > Acked-by: Ian Campbell <ian.campbell@...rix.com>
> 
> I think David Vrabel is going to Nack it unless there is a test-case.
> 
> I am saying that because in his previous statement for Wei's multi-page
> patches was that if there are no users (or at least no test-cases) then
> it should not be part of the kernel.

Well there is one: ARM. There isn't one on x86.

http://marc.info/?l=xen-devel&m=138730150806639&w=2
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