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([2001:b07:6468:f312:e3ec:5559:7c5c:1928]) by smtp.googlemail.com with ESMTPSA id r2-20020a17090609c200b007bc3a621224sm245953eje.196.2022.12.08.23.58.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Dec 2022 23:58:05 -0800 (PST) Message-ID: Date: Fri, 9 Dec 2022 08:58:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH] kvm: Remove the unused macro KVM_MMU_READ_LOCK() Content-Language: en-US To: Lai Jiangshan , linux-kernel@vger.kernel.org Cc: Sean Christopherson , Lai Jiangshan , kvm@vger.kernel.org References: <20221207120617.9409-1-jiangshanlai@gmail.com> From: Paolo Bonzini In-Reply-To: <20221207120617.9409-1-jiangshanlai@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/7/22 13:06, Lai Jiangshan wrote: > From: Lai Jiangshan > > No code is using KVM_MMU_READ_LOCK(). And KVM_MMU_READ_UNLOCK() is also unused. Paolo > Signed-off-by: Lai Jiangshan > --- > virt/kvm/kvm_mm.h | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h > index a1ab15006af3..e98e294080bf 100644 > --- a/virt/kvm/kvm_mm.h > +++ b/virt/kvm/kvm_mm.h > @@ -14,13 +14,11 @@ > #define KVM_MMU_LOCK_INIT(kvm) rwlock_init(&(kvm)->mmu_lock) > #define KVM_MMU_LOCK(kvm) write_lock(&(kvm)->mmu_lock) > #define KVM_MMU_UNLOCK(kvm) write_unlock(&(kvm)->mmu_lock) > -#define KVM_MMU_READ_LOCK(kvm) read_lock(&(kvm)->mmu_lock) > #define KVM_MMU_READ_UNLOCK(kvm) read_unlock(&(kvm)->mmu_lock) > #else > #define KVM_MMU_LOCK_INIT(kvm) spin_lock_init(&(kvm)->mmu_lock) > #define KVM_MMU_LOCK(kvm) spin_lock(&(kvm)->mmu_lock) > #define KVM_MMU_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock) > -#define KVM_MMU_READ_LOCK(kvm) spin_lock(&(kvm)->mmu_lock) > #define KVM_MMU_READ_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock) > #endif /* KVM_HAVE_MMU_RWLOCK */ >