Re: [Intel-gfx] [PATCH 1/6] KVM: x86/mmu: release audited pfns

Nicholas Piggin
2021-06-24T08:43:15Z

Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> From: David Stevens <stevensd@chromium.org>

Changelog? This looks like a bug, should it have a Fixes: tag?

Thanks,
Nick

>
> Signed-off-by: David Stevens <stevensd@chromium.org>
> ---
> arch/x86/kvm/mmu/mmu_audit.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/x86/kvm/mmu/mmu_audit.c b/arch/x86/kvm/mmu/mmu_audit.c
> index cedc17b2f60e..97ff184084b4 100644
> --- a/arch/x86/kvm/mmu/mmu_audit.c
> +++ b/arch/x86/kvm/mmu/mmu_audit.c
> @@ -121,6 +121,8 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
> audit_printk(vcpu->kvm, "levels %d pfn %llx hpa %llx "
> "ent %llxn", vcpu->arch.mmu->root_level, pfn,
> hpa, *sptep);
> +
> + kvm_release_pfn_clean(pfn);
> }
>
> static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
> --
> 2.32.0.93.g670b81a890-goog