[libvirt] [PATCH 0/9] target-i386: make "enforce" flag work as it should
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(a)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(-)
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1.7.11.7