linux-kernel - Re: [PATCH v7 04/18] KVM: x86/mmu: Relax locking for kvm_test_age_gfn and kvm_age

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Message-ID: <CADrL8HX5WxpRD98rQkBhVQo0asw_c9VOwk79OJDWqzRDmkoX9A@mail.gmail.com>
Date: Thu, 3 Oct 2024 13:05:28 -0700
From: James Houghton <jthoughton@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, David Matlack <dmatlack@...gle.com>, 
	David Rientjes <rientjes@...gle.com>, Jason Gunthorpe <jgg@...pe.ca>, Jonathan Corbet <corbet@....net>, 
	Marc Zyngier <maz@...nel.org>, Oliver Upton <oliver.upton@...ux.dev>, Wei Xu <weixugc@...gle.com>, 
	Yu Zhao <yuzhao@...gle.com>, Axel Rasmussen <axelrasmussen@...gle.com>, kvm@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v7 04/18] KVM: x86/mmu: Relax locking for kvm_test_age_gfn
 and kvm_age_gfn

On Wed, Sep 25, 2024 at 6:35 PM James Houghton <jthoughton@...gle.com> wrote:
> @@ -70,8 +70,6 @@ static inline u64 kvm_tdp_mmu_write_spte(tdp_ptep_t sptep, u64 old_spte,
>  static inline u64 tdp_mmu_clear_spte_bits(tdp_ptep_t sptep, u64 old_spte,
>                                           u64 mask, int level)
>  {
> -       atomic64_t *sptep_atomic;
> -
>         if (kvm_tdp_mmu_spte_need_atomic_write(old_spte, level))
>                 return tdp_mmu_clear_spte_bits_atomic(sptep, mask);
>

This delete should have gone in the previous patch. Will be fixed in v8.