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authorPaolo Bonzini <pbonzini@redhat.com>2024-02-21 05:18:56 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-02-21 05:18:56 -0500
commitc48617fbbe831d4c80fe84056033f17b70a31136 (patch)
treef7e3ad797fb3195d78a315bf0354b280085686a9 /arch
parent9895ceeb5cd61092f147f8d611e2df575879dd6f (diff)
parent85a71ee9a0700f6c18862ef3b0011ed9dad99aca (diff)
Merge tag 'kvmarm-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.8, take #3 - Check for the validity of interrupts handled by a MOVALL command - Check for the validity of interrupts while reading the pending state on enabling LPIs.
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/kvm/vgic/vgic-its.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index e2764d0ffa9f..28a93074eca1 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -468,6 +468,9 @@ static int its_sync_lpi_pending_table(struct kvm_vcpu *vcpu)
}
irq = vgic_get_irq(vcpu->kvm, NULL, intids[i]);
+ if (!irq)
+ continue;
+
raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->pending_latch = pendmask & (1U << bit_nr);
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
@@ -1432,6 +1435,8 @@ static int vgic_its_cmd_handle_movall(struct kvm *kvm, struct vgic_its *its,
for (i = 0; i < irq_count; i++) {
irq = vgic_get_irq(kvm, NULL, intids[i]);
+ if (!irq)
+ continue;
update_affinity(irq, vcpu2);