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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2023-01-06 01:12:46 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-01-13 10:45:26 -0500 |
| commit | da3fb46d226a8c1b61d309f3b99056c18b8d93e2 (patch) | |
| tree | f6de789d671410c9efec1b253646142f748b7924 | |
| parent | a879a88e05f36153987ad9836e85009eb4114346 (diff) | |
| download | lwn-da3fb46d226a8c1b61d309f3b99056c18b8d93e2.tar.gz lwn-da3fb46d226a8c1b61d309f3b99056c18b8d93e2.zip | |
KVM: SVM: Fix x2APIC Logical ID calculation for avic_kick_target_vcpus_fast
For X2APIC ID in cluster mode, the logical ID is bit [15:0].
Fixes: 603ccef42ce9 ("KVM: x86: SVM: fix avic_kick_target_vcpus_fast")
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230106011306.85230-14-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm/avic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index f2db0021c45f..0f67fd34ef99 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -356,7 +356,7 @@ 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*/ |