From: Ingo Molnar <mingo@elte.hu>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Ingo Molnar <mingo@redhat.com>,
the arch/x86 maintainers <x86@kernel.org>,
Stable Kernel <stable@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Xen-devel <xen-devel@lists.xensource.com>
Subject: Re: [GIT PULL] xen: Check NX state before setting up GDT mapping
Date: Wed, 23 Sep 2009 14:36:16 +0200 [thread overview]
Message-ID: <20090923123616.GC19385@elte.hu> (raw)
In-Reply-To: <4AB7EC1D.5010102@goop.org>
* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index 0dd0c2c..5d701bf 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -1083,6 +1083,11 @@ asmlinkage void __init xen_start_kernel(void)
>
> __supported_pte_mask |= _PAGE_IOMAP;
>
> +#ifdef CONFIG_X86_64
> + /* Work out if we support NX */
> + check_efer();
> +#endif
> +
btw., this #ifdef could sure be eliminated, right?
Ingo
next prev parent reply other threads:[~2009-09-23 12:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-21 21:11 [GIT PULL] xen: Check NX state before setting up GDT mapping Jeremy Fitzhardinge
2009-09-23 12:35 ` Ingo Molnar
2009-09-23 12:36 ` Ingo Molnar [this message]
2009-09-23 19:03 ` Jeremy Fitzhardinge
2009-09-23 19:13 ` Ingo Molnar
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