KVM: SVM: Unload guest fpu on vcpu_put()



Not unloading the guest fpu can cause fpu leaks from guest to guest (or host
to guest).

Signed-off-by: Avi Kivity <avi@qumranet.com>

parent 00b2ef47

drivers/kvm/svm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -663,6 +663,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
		wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);

		rdtscll(vcpu->host_tsc);
		kvm_put_guest_fpu(vcpu);
		}

		static void svm_vcpu_decache(struct kvm_vcpu *vcpu)