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

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Message-ID: <56CDDB5E.90207@oracle.com>
Date:	Wed, 24 Feb 2016 11:33:34 -0500
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Brian Gerst <brgerst@...il.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	xen-devel@...ts.xenproject.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mcgrof@...nel.org, stable <stable@...r.kernel.org>
Subject: Re: [PATCH v2] xen/x86: Zero out .bss for PV guests

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 find 
it. Thanks!

-boris