From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Guthro Subject: [PATCH][SVM] CPL initialization fix Date: Mon, 10 Mar 2008 15:14:48 -0400 Message-ID: <47D588A8.9030908@virtualiron.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------050002010306010400050803" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel , Robert Phillips List-Id: xen-devel@lists.xenproject.org This is a multi-part message in MIME format. --------------050002010306010400050803 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit CPL should be determined by code segment's DPL, not data segment's. This solves a problem migrating a QEMU guest without PV-on-HVM drivers Signed-off-by: Robert Plillips Signed-off-by: Ben Guthro --------------050002010306010400050803 Content-Type: text/x-patch; name="lm-svm-cpl.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="lm-svm-cpl.patch" diff -r f76f151a7431 xen/arch/x86/hvm/svm/svm.c --- a/xen/arch/x86/hvm/svm/svm.c +++ b/xen/arch/x86/hvm/svm/svm.c @@ -557,7 +557,7 @@ static void svm_set_segment_register(str break; case x86_seg_ss: memcpy(&vmcb->ss, reg, sizeof(*reg)); - vmcb->cpl = vmcb->ss.attr.fields.dpl; + vmcb->cpl = vmcb->cs.attr.fields.dpl; break; case x86_seg_tr: memcpy(&vmcb->tr, reg, sizeof(*reg)); --------------050002010306010400050803 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --------------050002010306010400050803--