When attempting a fast kick for x2AVIC, get the destination bitmap from
ICR[15:0], not ICHR[31:16]. The upper 16 bits contain the cluster, the
lower 16 bits hold the bitmap.
Fixes: 603ccef42ce9 ("KVM: x86: SVM: fix avic_kick_target_vcpus_fast")
Cc: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
Signed-off-by: Sean Christopherson <seanjc@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 3ace0f2f52f0..3c333cd2e752 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -368,7 +368,7 @@ static int avic_kick_target_vcpus_fast(struct kvm *kvm, struct kvm_lapic *source
if (apic_x2apic_mode(source)) {
/* 16 bit dest mask, 16 bit cluster id */
- bitmap = dest & 0xFFFF0000;
+ bitmap = dest & 0xFFFF;
cluster = (dest >> 16) << 4;
} else if (kvm_lapic_get_reg(source, APIC_DFR) == APIC_DFR_FLAT) {
/* 8 bit dest mask*/
--
2.37.2.672.g94769d06f0-goog
