Commit c323c0e5 authored by Andre Przywara's avatar Andre Przywara Committed by Avi Kivity

KVM: Ignore PCI ECS I/O enablement

Linux guests will try to enable access to the extended PCI config space
via the I/O ports 0xCF8/0xCFC on AMD Fam10h CPU. Since we (currently?)
don't use ECS, simply ignore write and read attempts.
Signed-off-by: default avatarAndre Przywara <andre.przywara@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent ae8c1c40
...@@ -844,6 +844,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) ...@@ -844,6 +844,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
return 1; return 1;
} }
break; break;
case MSR_AMD64_NB_CFG:
break;
case MSR_IA32_DEBUGCTLMSR: case MSR_IA32_DEBUGCTLMSR:
if (!data) { if (!data) {
/* We support the non-activated case already */ /* We support the non-activated case already */
...@@ -1049,6 +1051,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) ...@@ -1049,6 +1051,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
case MSR_P6_EVNTSEL1: case MSR_P6_EVNTSEL1:
case MSR_K7_EVNTSEL0: case MSR_K7_EVNTSEL0:
case MSR_K8_INT_PENDING_MSG: case MSR_K8_INT_PENDING_MSG:
case MSR_AMD64_NB_CFG:
data = 0; data = 0;
break; break;
case MSR_MTRRcap: case MSR_MTRRcap:
......
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