linux-kernel - Re: [PATCH 2/3] x86, mm: Fix CONFIG_VMSPLIT_1G and 2G

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Date:	Thu, 11 Nov 2010 15:17:33 +0100
From:	"Roedel, Joerg" <Joerg.Roedel@....com>
To:	Greg KH <greg@...ah.com>
CC:	Borislav Petkov <bp@...64.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...nel.org" <stable@...nel.org>,
	Hugh Dickins <hughd@...gle.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/3] x86, mm: Fix CONFIG_VMSPLIT_1G and 2G_OPT
 trampoline

On Thu, Nov 11, 2010 at 09:13:58AM -0500, Greg KH wrote:
> On Thu, Nov 11, 2010 at 06:11:30AM -0800, Greg KH wrote:
> > On Thu, Nov 11, 2010 at 02:56:14PM +0100, Joerg Roedel wrote:
> > > From: Hugh Dickins <hughd@...gle.com>
> > > 
> > > rc2 kernel crashes when booting second cpu on this CONFIG_VMSPLIT_2G_OPT
> > > laptop: whereas cloning from kernel to low mappings pgd range does need
> > > to limit by both KERNEL_PGD_PTRS and KERNEL_PGD_BOUNDARY, cloning kernel
> > > pgd range itself must not be limited by the smaller KERNEL_PGD_BOUNDARY.
> > > 
> > > Signed-off-by: Hugh Dickins <hughd@...gle.com>
> > > LKML-Reference: <alpine.LSU.2.00.1008242235120.2515@...ter.anvils>
> > > Signed-off-by: H. Peter Anvin <hpa@...or.com>
> > > ---
> > >  arch/x86/kernel/trampoline.c |    3 +--
> > >  1 files changed, 1 insertions(+), 2 deletions(-)
> > 
> > Why are you sending this to me?  I'm not the x86 maintainer.
> 
> Ah, now it makes more sense (seeing 0/3 after 2/3 came in.)
> 
> But, for all 3 of these patches, can you please resend them with the git
> commit id of the original patch that is in Linus's tree?  I need that to
> be able to apply them to the stable releases.

Hey, you work very early in the morning :-)

I will add the upstream-commit-ids and repost.

	Joerg

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