linux-kernel - Re: [PATCH] xen/mmu: Correct PAT MST setting.

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Date:	Thu, 26 Sep 2013 07:43:50 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>
Cc:	<xen-devel@...ts.xenproject.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xen/mmu: Correct PAT MST setting.

>>> On 25.09.13 at 21:29, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:
> Jan Beulich spotted that the PAT MSR settings in the Xen public
> document that "the first (PAT6) column was wrong across the
> board, and the column for PAT7 was missing altogether."
> 
> This updates it to be in sync.
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

Acked-by: Jan Beulich <jbeulich@...e.com>

> ---
>  arch/x86/xen/mmu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
> index fdc3ba2..c9631e7 100644
> --- a/arch/x86/xen/mmu.c
> +++ b/arch/x86/xen/mmu.c
> @@ -468,8 +468,8 @@ PV_CALLEE_SAVE_REGS_THUNK(xen_pgd_val);
>   * 3        PCD PWT      UC       UC     UC
>   * 4    PAT              WB       WC     WB
>   * 5    PAT     PWT      WC       WP     WT
> - * 6    PAT PCD          UC-      UC     UC-
> - * 7    PAT PCD PWT      UC       UC     UC
> + * 6    PAT PCD          UC-      rsv    UC-
> + * 7    PAT PCD PWT      UC       rsv    UC
>   */
>  
>  void xen_set_pat(u64 pat)
> -- 
> 1.8.3.1



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