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Re: [Xen-devel] [PATCH] x86/PoD: tighten conditions for checking super page

To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Fri, 30 Oct 2015 18:57:21 +0000
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Delivery-date: Fri, 30 Oct 2015 18:57:57 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 30/10/15 17:39, Jan Beulich wrote:
> Since calling the function isn't cheap, try to avoid the call when we
> know up front it won't help; see the code comment for details on those
> conditions.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH] x86/PoD: tighten conditions for checking super page
  - From: Jan Beulich

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