[PATCH 3/3] x86/kvm: Handle all MCA banks

[Borislav Petkov]

From: Borislav Petkov <b...@suse.de>

Extend the range of MCA banks which get passed to set/get_msr_mce() to
include all the MSRs of the last bank too.

Signed-off-by: Borislav Petkov <b...@suse.de>
---
 arch/x86/kvm/x86.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 80452b0f0e8c..a7d344823356 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2466,7 +2466,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct 
msr_data *msr_info)
 
        case MSR_IA32_MCG_CTL:
        case MSR_IA32_MCG_STATUS:
-       case MSR_IA32_MC0_CTL ... MSR_IA32_MCx_CTL(KVM_MAX_MCE_BANKS) - 1:
+       case MSR_IA32_MC0_CTL ... MSR_IA32_MCx_MISC(KVM_MAX_MCE_BANKS) - 1:
                return set_msr_mce(vcpu, msr_info);
 
        case MSR_K7_PERFCTR0 ... MSR_K7_PERFCTR3:
@@ -2588,9 +2588,10 @@ static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, 
u64 *pdata)
        case MSR_IA32_MCG_STATUS:
                data = vcpu->arch.mcg_status;
                break;
+
        default:
                if (msr >= MSR_IA32_MC0_CTL &&
-                   msr < MSR_IA32_MCx_CTL(bank_num)) {
+                   msr < MSR_IA32_MCx_MISC(bank_num)) {
                        u32 offset = msr - MSR_IA32_MC0_CTL;
                        data = vcpu->arch.mce_banks[offset];
                        break;
-- 
2.17.0.582.gccdcbd54c