[PATCH RFC v3 2/9] KVM: arm/arm64: fix vcpu self-detection in vgic_v3_dispatch_sgi()
From: Christoffer Dall <hidden>
Date: 2017-08-29 10:01:01
Also in:
kvm, linux-mips, linux-s390, lkml
From: Christoffer Dall <hidden>
Date: 2017-08-29 10:01:01
Also in:
kvm, linux-mips, linux-s390, lkml
On Mon, Aug 21, 2017 at 10:35:23PM +0200, Radim Kr?m?? wrote:
The index in kvm->vcpus array and vcpu->vcpu_id are very different things. Comparing struct kvm_vcpu pointers is a sure way to know. Signed-off-by: Radim Kr?m?? <redacted>
Acked-by: Christoffer Dall <redacted>
--- virt/kvm/arm/vgic/vgic-mmio-v3.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c index 408ef06638fc..9d4b69b766ec 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v3.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c@@ -797,7 +797,6 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg) u16 target_cpus; u64 mpidr; int sgi, c; - int vcpu_id = vcpu->vcpu_id; bool broadcast; sgi = (reg & ICC_SGI1R_SGI_ID_MASK) >> ICC_SGI1R_SGI_ID_SHIFT;@@ -821,7 +820,7 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg) break; /* Don't signal the calling VCPU */ - if (broadcast && c == vcpu_id) + if (broadcast && c_vcpu == vcpu) continue; if (!broadcast) {-- 2.13.3