The lower 9-bit field in EXITINFO2 represents an index into the AVIC Physical/Logical APIC ID table for a AVIC_INCOMPLETE_IPI #VMEXIT. Since the index into the Logical APIC ID table is just 8 bits, this field is actually bound by the bit-width of the index into the AVIC Physical ID table which is represented by AVIC_PHYSICAL_MAX_INDEX_MASK. So, use that macro to mask EXITINFO2.Index instead of hard coding 0x1FF in avic_incomplete_ipi_interception(). Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> Signed-off-by: Naveen N Rao (AMD) <naveen@xxxxxxxxxx> --- arch/x86/kvm/svm/avic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 4f00e31347c3..d00b8f34e8d3 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -500,7 +500,7 @@ int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu) u32 icrh = svm->vmcb->control.exit_info_1 >> 32; u32 icrl = svm->vmcb->control.exit_info_1; u32 id = svm->vmcb->control.exit_info_2 >> 32; - u32 index = svm->vmcb->control.exit_info_2 & 0x1FF; + u32 index = svm->vmcb->control.exit_info_2 & AVIC_PHYSICAL_MAX_INDEX_MASK; struct kvm_lapic *apic = vcpu->arch.apic; trace_kvm_avic_incomplete_ipi(vcpu->vcpu_id, icrh, icrl, id, index); -- 2.50.1
