From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LRY88-00029n-Bx for qemu-devel@nongnu.org; Mon, 26 Jan 2009 15:32:24 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LRY87-00029D-JH for qemu-devel@nongnu.org; Mon, 26 Jan 2009 15:32:23 -0500 Received: from [199.232.76.173] (port=35307 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LRY87-000295-Dy for qemu-devel@nongnu.org; Mon, 26 Jan 2009 15:32:23 -0500 Received: from savannah.gnu.org ([199.232.41.3]:60983 helo=sv.gnu.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LRY87-0007nc-3c for qemu-devel@nongnu.org; Mon, 26 Jan 2009 15:32:23 -0500 Received: from cvs.savannah.gnu.org ([199.232.41.69]) by sv.gnu.org with esmtp (Exim 4.63) (envelope-from ) id 1LRY86-0003HA-Hm for qemu-devel@nongnu.org; Mon, 26 Jan 2009 20:32:22 +0000 Received: from aliguori by cvs.savannah.gnu.org with local (Exim 4.63) (envelope-from ) id 1LRY86-0003H6-CD for qemu-devel@nongnu.org; Mon, 26 Jan 2009 20:32:22 +0000 MIME-Version: 1.0 Errors-To: aliguori Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Anthony Liguori Message-Id: Date: Mon, 26 Jan 2009 20:32:22 +0000 Subject: [Qemu-devel] [6461] kvm-x86: Remove eflags conversion into emulator format (Jan Kiszka) Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Revision: 6461 http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6461 Author: aliguori Date: 2009-01-26 20:32:22 +0000 (Mon, 26 Jan 2009) Log Message: ----------- kvm-x86: Remove eflags conversion into emulator format (Jan Kiszka) It seems that the conversion of the kernel-delivered eflags state into qemu's internal split representation was once needed in an older kvm design (register read-back may have taken place from inside cpu_exec). Today it is plain wrong and causes incorrect cpu state reporting (gdb, monitor) and should also corrupt its saving (savevm, migration). Drop the related lines. Signed-off-by: Jan Kiszka Signed-off-by: Anthony Liguori Modified Paths: -------------- trunk/target-i386/kvm.c Modified: trunk/target-i386/kvm.c =================================================================== --- trunk/target-i386/kvm.c 2009-01-26 20:32:18 UTC (rev 6460) +++ trunk/target-i386/kvm.c 2009-01-26 20:32:22 UTC (rev 6461) @@ -445,10 +445,6 @@ } } env->hflags = (env->hflags & HFLAG_COPY_MASK) | hflags; - env->cc_src = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - env->df = 1 - (2 * ((env->eflags >> 10) & 1)); - env->cc_op = CC_OP_EFLAGS; - env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); return 0; }