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authorChristoffer Dall <christoffer.dall@linaro.org>2013-12-11 20:29:11 -0800
committerChristoffer Dall <christoffer.dall@linaro.org>2013-12-21 10:01:34 -0800
commite9b152cb957cb194437f37e79f0f3c9d34fe53d6 (patch)
treef3ded53b9287df77f6550f8792a09bc923c531ab
parent1006e8cb22e861260688917ca4cfe6cde8ad69eb (diff)
downloadop-kernel-dev-e9b152cb957cb194437f37e79f0f3c9d34fe53d6.zip
op-kernel-dev-e9b152cb957cb194437f37e79f0f3c9d34fe53d6.tar.gz
arm/arm64: kvm: Set vcpu->cpu to -1 on vcpu_put
The arch-generic KVM code expects the cpu field of a vcpu to be -1 if the vcpu is no longer assigned to a cpu. This is used for the optimized make_all_cpus_request path and will be used by the vgic code to check that no vcpus are running. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
-rw-r--r--arch/arm/kvm/arm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index f290b22..b92ff6d3 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -342,6 +342,13 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
{
+ /*
+ * The arch-generic KVM code expects the cpu field of a vcpu to be -1
+ * if the vcpu is no longer assigned to a cpu. This is used for the
+ * optimized make_all_cpus_request path.
+ */
+ vcpu->cpu = -1;
+
kvm_arm_set_running_vcpu(NULL);
}
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