linux-kernel - Re: [PATCH] x86: fix CONFIG_VMSPLIT_1G and 2G

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Message-ID: <20100825071346.GA25816@aftab>
Date:	Wed, 25 Aug 2010 09:13:46 +0200
From:	Borislav Petkov <borislav.petkov@....com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Hugh Dickins <hughd@...gle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Roedel, Joerg" <Joerg.Roedel@....com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: fix CONFIG_VMSPLIT_1G and 2G_OPT trampoline

From: "H. Peter Anvin" <hpa@...or.com>
Date: Wed, Aug 25, 2010 at 03:06:34AM -0400

> It doesn't matter on reboot, but the right thing would be to switch to
> the trampoline page table here.  Same with suspend.

Yeah, I do that in my other patch (http://lkml.org/lkml/2010/8/24/61)
which adds the initial_page_table and keeps swapper_pg_dir clear of low
mappings. I'll add Hugh's fix there too and will start testing to see
what happens :).

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
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Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
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