Messages in this thread Patch in this message | | | Date | Wed, 06 May 2009 14:45:39 -0700 | From | Greg KH <> | Subject | [patch 11/58] KVM: x86: release time_page on vcpu destruction |
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2.6.29-stable review patch. If anyone has any objections, please let us know.
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From: Joerg Roedel <joerg.roedel@amd.com>
upstream commit: 7f1ea208968f021943d4103ba59e06bb6d8239cb
Not releasing the time_page causes a leak of that page or the compound page it is situated in.
Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> --- arch/x86/kvm/x86.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3962,6 +3962,11 @@ EXPORT_SYMBOL_GPL(kvm_put_guest_fpu); void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) { + if (vcpu->arch.time_page) { + kvm_release_page_dirty(vcpu->arch.time_page); + vcpu->arch.time_page = NULL; + } + kvm_x86_ops->vcpu_free(vcpu); }
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