The patch below does not apply to the 3.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From 91021a6c8ffdc55804dab5acdfc7de4f278b9ac3 Mon Sep 17 00:00:00 2001
From: Haibin Wang <[email protected]>
Date: Thu, 10 Apr 2014 13:14:32 +0100
Subject: [PATCH] KVM: ARM: vgic: Fix sgi dispatch problem

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.

Cc: <[email protected]> # 3.10+
Signed-off-by: Haibin Wang <[email protected]>
Acked-by: Marc Zyngier <[email protected]>
Signed-off-by: Christoffer Dall <[email protected]>

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 47b29834a6b6..7e8b44efb739 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -916,6 +916,7 @@ static void vgic_dispatch_sgi(struct kvm_vcpu *vcpu, u32 
reg)
        case 0:
                if (!target_cpus)
                        return;
+               break;
 
        case 1:
                target_cpus = ((1 << nrcpus) - 1) & ~(1 << vcpu_id) & 0xff;

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