diff options
| author | Oliver Upton <oliver.upton@linux.dev> | 2024-02-21 09:27:32 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2024-02-21 10:06:41 +0000 |
| commit | 85a71ee9a0700f6c18862ef3b0011ed9dad99aca (patch) | |
| tree | c8cab034bc8b836484dbbeea377c97f6a5573832 /arch/arm64/kvm/vgic/vgic-its.c | |
| parent | 8d3a7dfb801d157ac423261d7cd62c33e95375f8 (diff) | |
KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler
It is possible that an LPI mapped in a different ITS gets unmapped while
handling the MOVALL command. If that is the case, there is no state that
can be migrated to the destination. Silently ignore it and continue
migrating other LPIs.
Cc: stable@vger.kernel.org
Fixes: ff9c114394aa ("KVM: arm/arm64: GICv4: Handle MOVALL applied to a vPE")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240221092732.4126848-3-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/vgic/vgic-its.c')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic-its.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c index 082448de27ed..28a93074eca1 100644 --- a/arch/arm64/kvm/vgic/vgic-its.c +++ b/arch/arm64/kvm/vgic/vgic-its.c @@ -1435,6 +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); |