Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 02/46] KVM: Ignore PCI ECS I/O enablement | Date | Sun, 23 Aug 2009 14:56:01 +0300 |
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From: Andre Przywara <andre.przywara@amd.com>
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: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com> --- arch/x86/kvm/x86.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 96f0ae7..af40e23 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -844,6 +844,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) return 1; } break; + case MSR_AMD64_NB_CFG: + break; case MSR_IA32_DEBUGCTLMSR: if (!data) { /* We support the non-activated case already */ @@ -1049,6 +1051,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_P6_EVNTSEL1: case MSR_K7_EVNTSEL0: case MSR_K8_INT_PENDING_MSG: + case MSR_AMD64_NB_CFG: data = 0; break; case MSR_MTRRcap: -- 1.6.4.1
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