linux-kernel - Re: [PATCH v1 3/6] driver: Google EFI SMI

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Message-ID: <20110221135831.GA13913@srcf.ucam.org>
Date:	Mon, 21 Feb 2011 13:58:31 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Matt Domsch <Matt_Domsch@...l.com>
Cc:	Mike Waychison <mikew@...gle.com>, Greg KH <greg@...ah.com>,
	torvalds@...ux-foundation.org, San Mehat <san@...gle.com>,
	Aaron Durbin <adurbin@...gle.com>,
	Duncan Laurie <dlaurie@...gle.com>,
	linux-kernel@...r.kernel.org, Tim Hockin <thockin@...gle.com>
Subject: Re: [PATCH v1 3/6] driver: Google EFI SMI

On Sat, Feb 19, 2011 at 10:44:40PM -0600, Matt Domsch wrote:

> I wrote that long before anyone believed there could be a 32-bit EFI
> or 32-bit kernel running on a 64-bit EFI.  Remember, this originated
> on Itanium.  I knew it was ugly, but the EFI spec itself defined the
> DataSize and Status as they did.

How can a 32-bit kernel run on 64-bit EFI? I've seen vendors who keep 
their EFI code above 4GB.

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