From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicholas Piggin <npiggin@gmail.com>
Date: Thu, 24 Jun 2021 08:43:00 +0000
Subject: Re: [PATCH 1/6] KVM: x86/mmu: release audited pfns
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        <20210624035749.4054934-2-stevensd@google.com>
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To: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Huacai Chen <chenhuacai@kernel.org>, Marc Zyngier <maz@kernel.org>, Paul Mackerras <paulus@ozlabs.org>, Paolo Bonzini <pbonzini@redhat.com>, David Stevens <stevensd@chromium.org>, Zhenyu Wang <zhenyuw@linux.intel.com>, Zhi Wang <zhi.a.wang@intel.com>
Cc: Alexandru Elisei <alexandru.elisei@arm.com>, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, James Morse <james.morse@arm.com>, Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>, kvmarm@lists.cs.columbia.edu, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Sean Christopherson <seanjc@google.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Will Deacon <will@kernel.org>

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
> 
>