diff options
| -rw-r--r-- | target-i386/kvm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 90bd447bed..6dc9846398 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -774,7 +774,7 @@ int kvm_arch_init_vcpu(CPUState *cs) && (env->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) == (CPUID_MCE | CPUID_MCA) && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0) { - uint64_t mcg_cap; + uint64_t mcg_cap, unsupported_caps; int banks; int ret; @@ -790,6 +790,12 @@ int kvm_arch_init_vcpu(CPUState *cs) return -ENOTSUP; } + unsupported_caps = env->mcg_cap & ~(mcg_cap | MCG_CAP_BANKS_MASK); + if (unsupported_caps) { + error_report("warning: Unsupported MCG_CAP bits: 0x%" PRIx64, + unsupported_caps); + } + env->mcg_cap &= mcg_cap | MCG_CAP_BANKS_MASK; ret = kvm_vcpu_ioctl(cs, KVM_X86_SETUP_MCE, &env->mcg_cap); if (ret < 0) { |