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Re: [Xen-devel] [PATCH] x86/PV: don't zero-map LDT

To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Mon, 26 Oct 2015 16:39:37 +0000
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>
Delivery-date: Mon, 26 Oct 2015 16:39:46 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 26/10/15 16:14, Jan Beulich wrote:
> This effectvely reverts the LDT related part of commit cf6d39f819
> ("x86/PV: properly populate descriptor tables"), which broke demand
> paged LDT handling in guests.
> 
> Reported-by: David Vrabel <david.vrabel@xxxxxxxxxx>
> Diagnosed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Tested-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Thanks.

David

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References:
- [Xen-devel] [PATCH] x86/PV: don't zero-map LDT
  - From: Jan Beulich

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