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Re: [Xen-devel] [PATCH 1/2] x86/mm/pat: Change pat_disable() to emulate PAT table
- To: Toshi Kani <toshi.kani@xxxxxxx>
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Tue, 15 Mar 2016 17:33:26 +0100
- Cc: "jgross@xxxxxxxx" <jgross@xxxxxxxx>, "boris.ostrovsky@xxxxxxxxxx" <boris.ostrovsky@xxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "paul.gortmaker@xxxxxxxxxxxxx" <paul.gortmaker@xxxxxxxxxxxxx>, "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>
- Delivery-date: Tue, 15 Mar 2016 16:33:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Tue, Mar 15, 2016 at 11:11:23AM -0600, Toshi Kani wrote:
> While cpu_has_pat is the same as boot_cpu_has(X86_FEATURE_PAT), cpu_has_XXX
> should not be used. So, this code needs to be changed to use
> boot_cpu_has(X86_FEATURE_PAT) directly.
>
> Is this right?
Yes.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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