From xen-devel-bounces@lists.xen.org Thu May 30 09:59:19 2013 Received: (at maildrop) by bugs.xenproject.org; 30 May 2013 08:59:19 +0000 Received: from lists.xen.org ([50.57.142.19]) by bugs.xenproject.org with esmtp (Exim 4.80) (envelope-from ) id 1Uhyhb-0004G9-U1 for xen-devel-maildrop-Eithu9ie@bugs.xenproject.org; Thu, 30 May 2013 09:59:19 +0100 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Uhyg3-0006mp-Us; Thu, 30 May 2013 08:57:43 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Uhyg2-0006me-Fa for xen-devel@lists.xen.org; Thu, 30 May 2013 08:57:42 +0000 Received: from [85.158.139.211:39594] by server-9.bemta-5.messagelabs.com id 07/7B-14875-58417A15; Thu, 30 May 2013 08:57:41 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-14.tower-206.messagelabs.com!1369904261!20140162!1 X-Originating-IP: [46.33.159.39] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNDYuMzMuMTU5LjM5ID0+IDI2MzI1\n X-StarScan-Received: X-StarScan-Version: 6.9.6; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27651 invoked from network); 30 May 2013 08:57:41 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (46.33.159.39) by server-14.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 30 May 2013 08:57:41 -0000 X-IronPort-AV: E=Sophos;i="4.87,769,1363132800"; d="scan'208";a="5126061" Received: from lonpex01cl03.citrite.net ([10.30.203.103]) by LONPIPO01.EU.CITRIX.COM with ESMTP/TLS/AES128-SHA; 30 May 2013 08:57:42 +0000 Received: from [10.80.2.42] (10.30.203.1) by LONPEX01CL03.citrite.net (10.30.203.103) with Microsoft SMTP Server id 14.2.342.3; Thu, 30 May 2013 09:57:40 +0100 Message-ID: <1369904259.13087.35.camel@zakaz.uk.xensource.com> From: Ian Campbell To: Ian Jackson Date: Thu, 30 May 2013 09:57:39 +0100 In-Reply-To: <20900.57461.535517.705987@mariner.uk.xensource.com> References: <1369408859-2929-1-git-send-email-george.dunlap@eu.citrix.com> <20900.57461.535517.705987@mariner.uk.xensource.com> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.4.4-1 MIME-Version: 1.0 X-Originating-IP: [10.30.203.1] Cc: George Dunlap , Fabio Fantoni , xen-devel@lists.xen.org Subject: Re: [Xen-devel] [PATCH] libxl: Remove qxl support for the 4.3 release X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org On Tue, 2013-05-28 at 17:51 +0100, Ian Jackson wrote: > George Dunlap writes ("[PATCH] libxl: Remove qxl support for the 4.3 release"): > > The qxl drivers for Windows and Linux end up calling instructions > > that cannot be used for MMIO at the moment. Just for the 4.3 release, > > remove qxl support. > > > > This patch should be reverted as soon as the 4.4 development window opens. > > > > The issue in question: > > > > (XEN) emulate.c:88:d18 bad mmio size 16 > > (XEN) io.c:201:d18 MMIO emulation failed @ 0033:7fd2de390430: f3 0f 6f > > 19 41 83 e8 403 > > > > The instruction in question is "movdqu (%rcx),%xmm3". Xen knows how > > to emulate it, but unfortunately %xmm3 is 16 bytes long, and the interface > > between Xen and qemu at the moment would appear to only allow MMIO accesses > > of 8 bytes. > > > > It's too late in the release cycle to find a fix or a workaround. > > Acked-by: Ian Jackson Also Acked & applied, thanks. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel