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authorAvi Kivity <avi@qumranet.com>2007-11-27 08:33:10 -0500
committerAvi Kivity <avi@qumranet.com>2007-11-27 08:33:10 -0500
commit8d379a7c069179a98616c9cac6bb2a06a500de49 (patch)
tree40d9b3b5fc83b773d218abf849269f2736c78f5f /drivers/kvm
parent00b2ef475d4728ca53a2bc788c7978042907e354 (diff)
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>
Diffstat (limited to 'drivers/kvm')
-rw-r--r--drivers/kvm/svm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 7a6eead63a6b..4e04e49a2f1c 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -663,6 +663,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
663 wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]); 663 wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);
664 664
665 rdtscll(vcpu->host_tsc); 665 rdtscll(vcpu->host_tsc);
666 kvm_put_guest_fpu(vcpu);
666} 667}
667 668
668static void svm_vcpu_decache(struct kvm_vcpu *vcpu) 669static void svm_vcpu_decache(struct kvm_vcpu *vcpu)