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authorJulien Thierry <julien.thierry@arm.com>2019-01-07 15:06:15 +0000
committerChristoffer Dall <christoffer.dall@arm.com>2019-01-24 15:08:50 +0100
commit8fa3adb8c6beee4af079ac90b9575ab92951de3f (patch)
tree787ba19846fcb30c340008510ea12406533173cd /virt/kvm/arm/vgic/vgic-debug.c
parent49a57857aeea06ca831043acbb0fa5e0f50602fd (diff)
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-debug.c')
-rw-r--r--virt/kvm/arm/vgic/vgic-debug.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/virt/kvm/arm/vgic/vgic-debug.c b/virt/kvm/arm/vgic/vgic-debug.c
index 07aa900bac56..1f62f2b8065d 100644
--- a/virt/kvm/arm/vgic/vgic-debug.c
+++ b/virt/kvm/arm/vgic/vgic-debug.c
@@ -251,9 +251,9 @@ static int vgic_debug_show(struct seq_file *s, void *v)
return 0;
}
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
print_irq_state(s, irq, vcpu);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(kvm, irq);
return 0;