Re: [PATCH 2/3] x86, mm: Fix CONFIG_VMSPLIT_1G and 2G_OPTtrampoline

From: Greg KH
Date: Thu Nov 11 2010 - 09:11:04 EST


On Thu, Nov 11, 2010 at 02:56:14PM +0100, Joerg Roedel wrote:
> From: Hugh Dickins <hughd@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> LKML-Reference: <alpine.LSU.2.00.1008242235120.2515@xxxxxxxxxxxxx>
> Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
> ---
> 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.

confused,

greg k-h
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