linux-kernel - Re: [PATCH] Fix left over EFI cache mapping problems

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Message-ID: <20080215085501.GC25949@one.firstfloor.org>
Date:	Fri, 15 Feb 2008 09:55:01 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	torvalds@...l.org, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix left over EFI cache mapping problems

> But because end_pfn_map contains the above UC memory area, efi_ioremap()
> is not used on EFI 64.

I see. It would be a good idea if you could test with a limited
memmap (mem=... command line option) just to make sure this path works

Right now I don't think pageattr.c will deal fully correct with 
the fixmap, but if the git-x86#mm changes are pushed for .25
it might actually work.

-Andi
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