[PATCH 3.14 07/83] KVM: ARM: vgic: Fix sgi dispatch problem

Greg Kroah-Hartman
2014-05-11T19:21:20Z

From: Haibin Wang <wanghaibin.wang@huawei.com>

commit 91021a6c8ffdc55804dab5acdfc7de4f278b9ac3 upstream.

When dispatch SGI(mode == 0), that is the vcpu of VM should send
sgi to the cpu which the target_cpus list.
So, there must add the "break" to branch of case 0.

Signed-off-by: Haibin Wang <wanghaibin.wang@huawei.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
virt/kvm/arm/vgic.c | 1 +
1 file changed, 1 insertion(+)

--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -916,6 +916,7 @@ static void vgic_dispatch_sgi(struct kvm
case 0:
if (!target_cpus)
return;
+ break;

case 1:
target_cpus = ((1 << nrcpus) - 1) & ~(1 << vcpu_id) & 0xff;