Re: [tip:x86/asm] x86-64: Use normal ptregs stub for execve

[Ingo Molnar <mingo@elte.hu>]

* tip-bot for Brian Gerst <brgerst@gmail.com> wrote:

> Commit-ID:  f19a25c872b20ae4357f72687cf3e7b0da220ee2
> Gitweb:     http://git.kernel.org/tip/f19a25c872b20ae4357f72687cf3e7b0da220ee2
> Author:     Brian Gerst <brgerst@gmail.com>
> AuthorDate: Mon, 25 Jan 2010 10:47:33 -0500
> Committer:  H. Peter Anvin <hpa@zytor.com>
> CommitDate: Tue, 26 Jan 2010 23:38:14 -0800
> 
> x86-64: Use normal ptregs stub for execve
> 
> Execve historically passed regs by value, so it had a seperate stub.
> This is no longer true, so change it to use a normal PTREGSCALL stub.
> 
> Signed-off-by: Brian Gerst <brgerst@gmail.com>
> LKML-Reference: <1264434453-2204-1-git-send-email-brgerst@gmail.com>
> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
> ---
>  arch/x86/kernel/entry_64.S |   17 +----------------
>  1 files changed, 1 insertions(+), 16 deletions(-)

FYI, -tip testing found that this commit breaks the grub binary on 64-bit, 
simply running /sbin/grub causes it to segfault:

[ 3145.999766] grub[6706] general protection ip:805c481 sp:ff95629c error:0 in 
grub[8048000+8c000]

i've excluded this commit for now.

	Ingo