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 <[email protected]>
kishon · Nov 27, 2007 · 8d379a7 · 8d379a7
1 parent 00b2ef4
commit 8d379a7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
@@ -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)