diff options
| -rw-r--r-- | target-i386/kvm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 454ddb182f..825af428d9 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -845,6 +845,13 @@ static int kvm_put_msrs(CPUState *env, int level) if (smp_cpus == 1 || env->tsc != 0) { kvm_msr_entry_set(&msrs[n++], MSR_IA32_TSC, env->tsc); } + } + /* + * The following paravirtual MSRs have side effects on the guest or are + * too heavy for normal writeback. Limit them to reset or full state + * updates. + */ + if (level >= KVM_PUT_RESET_STATE) { kvm_msr_entry_set(&msrs[n++], MSR_KVM_SYSTEM_TIME, env->system_time_msr); kvm_msr_entry_set(&msrs[n++], MSR_KVM_WALL_CLOCK, env->wall_clock_msr); |