linux-kernel - Re: [PATCH] gma500: fix build when ACPI isn't set

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Message-ID: <20120511110107.06d3e336@pyramind.ukuu.org.uk>
Date:	Fri, 11 May 2012 11:01:07 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sasha Levin <levinsasha928@...il.com>
Cc:	airlied@...ux.ie, alan@...ux.intel.com,
	kirill.shutemov@...ux.intel.com, airlied@...hat.com,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gma500: fix build when ACPI isn't set

On Fri, 11 May 2012 11:49:48 +0200
Sasha Levin <levinsasha928@...il.com> wrote:

> On Fri, May 11, 2012 at 11:43 AM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> > Not btw that I imagine you could run a non ACPI kernel on a box new
> > enough to have a GMA500 8)
> 
> Probably not, but I saw more #ifdef CONFIG_ACPI below and assumed
> there's a good reason for that.
> 
> Out of curiously, is a scenario where a GMA500 is assigned to a KVM
> guest which doesn't have ACPI support plausible?

I doubt it - the GMA500 is doing direct memory access via the GTT and
hitting hardware level stuff. I don't believe any work has ever been done
for Imagination based graphics pass through.

Alan
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