linux-kernel - Re: [PATCH 3/5] EFI: add efi driver for Xen efi

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Message-ID: <20120210134525.GA29662@srcf.ucam.org>
Date:	Fri, 10 Feb 2012 13:45:26 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	liang tang <liang.tang@...cle.com>
Cc:	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, konrad.wilk@...cle.com
Subject: Re: [PATCH 3/5] EFI: add efi driver for Xen efi

On Fri, Feb 10, 2012 at 03:24:18PM +0800, liang tang wrote:
> Hi,Matthew
> the xen efi call need to use hypercall. that is different from the
> generic efi code. do you any idea about that. thanks!

Right, but 32-bit EFI needs to make different calls to 64-bit EFI 
anyway. It would be good if the abstraction could be done at this level 
instead of duplicating the code.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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