From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH v2 3/3] Revert "libxc: create an initial FPU state for HVM guests" Date: Wed, 18 Nov 2015 09:57:00 +0000 Message-ID: <20151118095700.GK1495@citrix.com> References: <1447785879-32574-1-git-send-email-roger.pau@citrix.com> <1447785879-32574-4-git-send-email-roger.pau@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZyzUT-0002WF-AQ for xen-devel@lists.xenproject.org; Wed, 18 Nov 2015 09:57:25 +0000 Content-Disposition: inline In-Reply-To: <1447785879-32574-4-git-send-email-roger.pau@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Roger Pau Monne Cc: Wei Liu , Ian Campbell , Stefano Stabellini , Andrew Cooper , Ian Jackson , Jan Beulich , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org On Tue, Nov 17, 2015 at 06:44:39PM +0000, Roger Pau Monne wrote: > This reverts commit d64dbbcc7c9934a46126c59d78536235908377ad: > = > Xen always set the FPU as initialized when loading a HVM context, so libxc > has to provide a valid FPU context when setting the CPU registers. > = > This is a stop-gap measure in order to unblock OSSTest Windows 7 failures > while a proper fix for the HVM CPU save/restore is being worked on. > = > This can now be reverted because a proper fix is in place and we can sign= al > in the save record whether the FPU is initialized or not. > = > Signed-off-by: Roger Pau Monn=E9 > Cc: Jan Beulich > Cc: Andrew Cooper > Cc: Ian Jackson > Cc: Stefano Stabellini > Cc: Ian Campbell > Cc: Wei Liu Acked-by: Wei Liu