Subject: Re: [PATCH 1/6] KVM: x86/mmu: release audited pfns

From: Nicholas Piggin <[email-masked]>
Date: Thu, 24 Jun 2021 18:43:00 +1000

Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> From: David Stevens <[email-masked]>

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

Thanks,
Nick

> 
> Signed-off-by: David Stevens <[email-masked]>
> ---
>  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
> 
>