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

Greg KH
2010-11-11T14:11:00Z

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

confused,

greg k-h