From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [PATCH ARM v6 01/14] mini-os: x86_64: make thread
 stacks 16-byte aligned
Date: Fri, 18 Jul 2014 15:22:40 +0200
Message-ID: <20140718132240.GT5545@type.bordeaux.inria.fr>
References: <1405508874-3921-1-git-send-email-talex5@gmail.com>
	<1405508874-3921-2-git-send-email-talex5@gmail.com>
	<1405612225.1977.34.camel@kazak.uk.xensource.com>
	<20140717181503.GZ6456@type.youpi.perso.aquilenet.fr>
	<1405677645.13883.14.camel@kazak.uk.xensource.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta4.messagelabs.com ([85.158.143.247])
	by lists.xen.org with esmtp (Exim 4.72)
	(envelope-from <samuel.thibault@ens-lyon.org>) id 1X887W-0007YU-Ok
	for xen-devel@lists.xenproject.org; Fri, 18 Jul 2014 13:22:42 +0000
Content-Disposition: inline
In-Reply-To: <1405677645.13883.14.camel@kazak.uk.xensource.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: xen-devel@lists.xenproject.org, Thomas Leonard <talex5@gmail.com>, stefano.stabellini@eu.citrix.com, Dave.Scott@eu.citrix.com, anil@recoil.org
List-Id: xen-devel@lists.xenproject.org

Ian Campbell, le Fri 18 Jul 2014 11:00:45 +0100, a =E9crit :
> I suppose this comes from the stack normally being 16-byte aligned but
> the actual call to the function adding another 8 by pushing the return
> address, so on funciton entry you are "misaligned" by 8 bytes.

Yes.

Samuel