From: Christoffer Dall <c.dall@xxxxxxxxxxxxxxxxxxxxxx>
The !sources case can be quite confusing, help the reader.
Signed-off-by: Christoffer Dall <c.dall@xxxxxxxxxxxxxxxxxxxxxx>
---
arch/arm/kvm/vgic.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/kvm/vgic.c b/arch/arm/kvm/vgic.c
index 4885e13..6f26c27 100644
--- a/arch/arm/kvm/vgic.c
+++ b/arch/arm/kvm/vgic.c
@@ -893,6 +893,12 @@ static void __kvm_vgic_sync_to_cpu(struct kvm_vcpu *vcpu)
clear_bit(c, &sources);
}
+ /*
+ * If the sources bitmap has been cleared it means that we
+ * could queue all the SGIs onto link registers (see the
+ * clear_bit above), and therefore we are done with them in
+ * our emulated gic and can get rid of them.
+ */
if (!sources) {
vgic_dist_irq_clear(vcpu, i);
vgic_cpu_irq_clear(vcpu, i);
--
1.8.0.1
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