diff options
| author | Marc Zyngier <maz@kernel.org> | 2023-12-07 15:12:00 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-12-12 07:11:38 +0000 |
| commit | 6bef365e310a5cd4b6e95fbb80b44725fce97e37 (patch) | |
| tree | 4770e740a9cbc8bd3fd041705eb4f7c420707de4 /arch/arm64/kvm | |
| parent | 02e3858f08faabab9503ae2911cf7c7e27702257 (diff) | |
KVM: arm64: vgic: Ensure that slots_lock is held in vgic_register_all_redist_iodevs()
Although we implicitly depend on slots_lock being held when registering
IO devices with the IO bus infrastructure, we don't enforce this
requirement. Make it explicit.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231207151201.3028710-5-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic-mmio-v3.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c index 0f039d46d4fc..a764b0ab8bf9 100644 --- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c +++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c @@ -833,6 +833,8 @@ static int vgic_register_all_redist_iodevs(struct kvm *kvm) unsigned long c; int ret = 0; + lockdep_assert_held(&kvm->slots_lock); + kvm_for_each_vcpu(c, vcpu, kvm) { ret = vgic_register_redist_iodev(vcpu); if (ret) |