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List: kvm-ppc
Subject: Re: [PATCH 3/6] KVM: x86/mmu: avoid struct page in MMU
From: Nicholas Piggin <npiggin () gmail ! com>
Date: 2021-06-24 10:43:29
Message-ID: 1624531381.4bht02wxsj.astroid () bobo ! none
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Excerpts from Marc Zyngier's message of June 24, 2021 8:06 pm:
> On Thu, 24 Jun 2021 09:58:00 +0100,
> Nicholas Piggin <npiggin@gmail.com> wrote:
>>
>> Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
>> > From: David Stevens <stevensd@chromium.org>
>> > out_unlock:
>> > if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))
>> > read_unlock(&vcpu->kvm->mmu_lock);
>> > else
>> > write_unlock(&vcpu->kvm->mmu_lock);
>> > - kvm_release_pfn_clean(pfn);
>> > + if (pfnpg.page)
>> > + put_page(pfnpg.page);
>> > return r;
>> > }
>>
>> How about
>>
>> kvm_release_pfn_page_clean(pfnpg);
>
> I'm not sure. I always found kvm_release_pfn_clean() ugly, because it
> doesn't mark the page 'clean'. I find put_page() more correct.
>
> Something like 'kvm_put_pfn_page()' would make more sense, but I'm so
> bad at naming things that I could just as well call it 'bob()'.
That seems like a fine name to me. A little better than bob.
Thanks,
Nick
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