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Re: [Xen-devel] [PATCH v2] xen/x86: Zero out .bss for PV guests

To: Brian Gerst <brgerst@xxxxxxxxx>
From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Date: Wed, 24 Feb 2016 11:33:34 -0500
Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxxxxxxx>, mcgrof@xxxxxxxxxx, David Vrabel <david.vrabel@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 24 Feb 2016 16:33:50 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 02/24/2016 11:05 AM, Brian Gerst wrote:


Use the macros in <asm/asm.h> instead of defining your own.  Also,
xorl %eax,%eax is good for 64-bit too, since the upper bits are
cleared.

I suspected this would have to be defined somewhere but couldn't findit. Thanks!


-boris


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References:
- [Xen-devel] [PATCH v2] xen/x86: Zero out .bss for PV guests
  - From: Boris Ostrovsky
- Re: [Xen-devel] [PATCH v2] xen/x86: Zero out .bss for PV guests
  - From: Brian Gerst

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