From 8d379a7c069179a98616c9cac6bb2a06a500de49 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 27 Nov 2007 15:33:10 +0200 Subject: [PATCH] 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 --- drivers/kvm/svm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 7a6eead63a..4e04e49a2f 100644 --- 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) -- 2.39.5