From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57345) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tr9Jf-0003vu-SL for qemu-devel@nongnu.org; Fri, 04 Jan 2013 10:36:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tr9Jd-0004bi-CU for qemu-devel@nongnu.org; Fri, 04 Jan 2013 10:36:15 -0500 Received: from mx1.redhat.com ([209.132.183.28]:60703) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tr9Jd-0004bP-5T for qemu-devel@nongnu.org; Fri, 04 Jan 2013 10:36:13 -0500 From: Eduardo Habkost Date: Fri, 4 Jan 2013 13:37:35 -0200 Message-Id: <1357313864-31026-1-git-send-email-ehabkost@redhat.com> Subject: [Qemu-devel] [PATCH 0/9] target-i386: make "enforce" flag work as it should List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, Gleb Natapov , libvir-list@redhat.com, Marcelo Tosatti , Igor Mammedov , Jiri Denemark , =?UTF-8?q?Andreas=20F=C3=A4rber?= This changes the -cpu check/enforce code to work as it should: it will check every single CPUID bit to make sure it is supported by the host. The changes are a bit intrusive, but: - The longer we take to make "enforce" strict as it should (and make libvirt finally use it), more users will have VMs with migration-unsafe unpredictable guest ABIs. For this reason, I would like to get this into QEMU 1.4. - The changes in this series should affect only users that are already using the "enforce" flag, and I believe whoever is using the "enforce" flag really want the strict behavior introduced by this series. This series is based on Andreas' qom-cpu branch, and depends on the series: Subject: [PATCH 0/2] Disable kvm_mmu_op by default on pc-1.4 Message-Id: <1357311145-16410-1-git-send-email-ehabkost@redhat.com> Git tree for reference: git://github.com/ehabkost/qemu-hacks.git cpu-enforce-all.v1 https://github.com/ehabkost/qemu-hacks/tree/cpu-enforce-all.v1 Eduardo Habkost (9): target-i386: kvm: -cpu host: Use GET_SUPPORTED_CPUID for SVM features target-i386: kvm: Enable all supported KVM features for -cpu host target-i386: check/enforce: Fix CPUID leaf numbers on error messages target-i386: check/enforce: Do not ignore "hypervisor" flag target-i386: check/enforce: Check all CPUID.80000001H.EDX bits target-i386: check/enforce: Check SVM flag support as well target-i386: check/enforce: Eliminate check_feat field target-i386: Call kvm_check_features_against_host() only if CONFIG_KVM is set target-i386: check/enforce: Check all feature words target-i386/cpu.c | 73 +++++++++++++++++++++++++++++++++++++++---------------- target-i386/cpu.h | 3 +++ 2 files changed, 55 insertions(+), 21 deletions(-) -- 1.7.11.7