diff options
| -rw-r--r-- | target/i386/kvm/kvm.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 4f8dacc1d4..a1fd1f5379 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -4529,6 +4529,18 @@ int kvm_arch_put_registers(CPUState *cpu, int level) assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu)); + /* + * Put MSR_IA32_FEATURE_CONTROL first, this ensures the VM gets out of VMX + * root operation upon vCPU reset. kvm_put_msr_feature_control() should also + * preceed kvm_put_nested_state() when 'real' nested state is set. + */ + if (level >= KVM_PUT_RESET_STATE) { + ret = kvm_put_msr_feature_control(x86_cpu); + if (ret < 0) { + return ret; + } + } + /* must be before kvm_put_nested_state so that EFER.SVME is set */ ret = has_sregs2 ? kvm_put_sregs2(x86_cpu) : kvm_put_sregs(x86_cpu); if (ret < 0) { @@ -4540,11 +4552,6 @@ int kvm_arch_put_registers(CPUState *cpu, int level) if (ret < 0) { return ret; } - - ret = kvm_put_msr_feature_control(x86_cpu); - if (ret < 0) { - return ret; - } } if (level == KVM_PUT_FULL_STATE) { |