diff options
| -rw-r--r-- | arch/x86/kvm/lapic.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 814b65106057..91e6f958d4b2 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1573,7 +1573,6 @@ static int kvm_lapic_reg_read(struct kvm_lapic *apic, u32 offset, int len, APIC_REG_MASK(APIC_TASKPRI) | APIC_REG_MASK(APIC_PROCPRI) | APIC_REG_MASK(APIC_LDR) | - APIC_REG_MASK(APIC_DFR) | APIC_REG_MASK(APIC_SPIV) | APIC_REGS_MASK(APIC_ISR, APIC_ISR_NR) | APIC_REGS_MASK(APIC_TMR, APIC_ISR_NR) | @@ -1594,12 +1593,13 @@ static int kvm_lapic_reg_read(struct kvm_lapic *apic, u32 offset, int len, valid_reg_mask |= APIC_REG_MASK(APIC_LVTCMCI); /* - * ARBPRI and ICR2 are not valid in x2APIC mode. WARN if KVM reads ICR - * in x2APIC mode as it's an 8-byte register in x2APIC and needs to be - * manually handled by the caller. + * ARBPRI, DFR, and ICR2 are not valid in x2APIC mode. WARN if KVM + * reads ICR in x2APIC mode as it's an 8-byte register in x2APIC and + * needs to be manually handled by the caller. */ if (!apic_x2apic_mode(apic)) valid_reg_mask |= APIC_REG_MASK(APIC_ARBPRI) | + APIC_REG_MASK(APIC_DFR) | APIC_REG_MASK(APIC_ICR2); else WARN_ON_ONCE(offset == APIC_ICR); @@ -3147,9 +3147,6 @@ int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data) if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(apic)) return 1; - if (reg == APIC_DFR) - return 1; - return kvm_lapic_msr_read(apic, reg, data); } |