KVM: arm64: vgic: Fix locking comment

[ Upstream commit c38b8400aef99d63be2b1ff131bb993465dcafe1 ]

It is now config_lock that must be held, not kvm lock. Replace the
comment with a lockdep annotation.

Fixes: f00327731131 ("KVM: arm64: Use config_lock to protect vgic state")
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230518100914.2837292-4-jean-philippe@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index 3bb0034..c1c28fe 100644 (file)
--- a/arch/arm64/kvm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
@@ -184,13 +184,14 @@ static void vgic_v4_disable_vsgis(struct kvm_vcpu *vcpu)
        }
 }
 
-/* Must be called with the kvm lock held */
 void vgic_v4_configure_vsgis(struct kvm *kvm)
 {
        struct vgic_dist *dist = &kvm->arch.vgic;
        struct kvm_vcpu *vcpu;
        unsigned long i;
 
+       lockdep_assert_held(&kvm->arch.config_lock);
+
        kvm_arm_halt_guest(kvm);
 
        kvm_for_each_vcpu(i, vcpu, kvm) {