diff options
| author | Julien Thierry <julien.thierry@arm.com> | 2019-01-07 15:06:15 +0000 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@arm.com> | 2019-01-24 15:08:50 +0100 |
| commit | 8fa3adb8c6beee4af079ac90b9575ab92951de3f (patch) | |
| tree | 787ba19846fcb30c340008510ea12406533173cd /virt/kvm/arm/vgic/vgic-init.c | |
| parent | 49a57857aeea06ca831043acbb0fa5e0f50602fd (diff) | |
| download | linux-8fa3adb8c6beee4af079ac90b9575ab92951de3f.tar.bz2 | |
KVM: arm/arm64: vgic: Make vgic_irq->irq_lock a raw_spinlock
vgic_irq->irq_lock must always be taken with interrupts disabled as
it is used in interrupt context.
For configurations such as PREEMPT_RT_FULL, this means that it should
be a raw_spinlock since RT spinlocks are interruptible.
Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-init.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-init.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index c0c0b88af1d5..1128e97406cf 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -171,7 +171,7 @@ static int kvm_vgic_dist_init(struct kvm *kvm, unsigned int nr_spis) irq->intid = i + VGIC_NR_PRIVATE_IRQS; INIT_LIST_HEAD(&irq->ap_list); - spin_lock_init(&irq->irq_lock); + raw_spin_lock_init(&irq->irq_lock); irq->vcpu = NULL; irq->target_vcpu = vcpu0; kref_init(&irq->refcount); @@ -216,7 +216,7 @@ int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu) struct vgic_irq *irq = &vgic_cpu->private_irqs[i]; INIT_LIST_HEAD(&irq->ap_list); - spin_lock_init(&irq->irq_lock); + raw_spin_lock_init(&irq->irq_lock); irq->intid = i; irq->vcpu = NULL; irq->target_vcpu = vcpu; |