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([2001:b07:6468:f312:c6d:4079:b74c:e329]) by smtp.gmail.com with ESMTPSA id p17sm4658551wmk.30.2020.01.08.09.45.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jan 2020 09:45:29 -0800 (PST) Subject: Re: [PATCH RESEND v2 01/17] KVM: Remove kvm_read_guest_atomic() To: Peter Xu , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Dr . David Alan Gilbert" , Christophe de Dinechin , Sean Christopherson , "Michael S . Tsirkin" , Jason Wang , Vitaly Kuznetsov References: <20191221014938.58831-1-peterx@redhat.com> <20191221014938.58831-2-peterx@redhat.com> From: Paolo Bonzini Message-ID: <15bc02b7-595d-2564-b1f9-a4a8aae37252@redhat.com> Date: Wed, 8 Jan 2020 18:45:28 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191221014938.58831-2-peterx@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 21/12/19 02:49, Peter Xu wrote: > Remove kvm_read_guest_atomic() because it's not used anywhere. > > Signed-off-by: Peter Xu > --- > include/linux/kvm_host.h | 2 -- > virt/kvm/kvm_main.c | 11 ----------- > 2 files changed, 13 deletions(-) > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index d41c521a39da..2ea1ea79befd 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -730,8 +730,6 @@ void kvm_get_pfn(kvm_pfn_t pfn); > > int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, > int len); > -int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data, > - unsigned long len); > int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len); > int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, > void *data, unsigned long len); > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 13efc291b1c7..7ee28af9eb48 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -2039,17 +2039,6 @@ static int __kvm_read_guest_atomic(struct kvm_memory_slot *slot, gfn_t gfn, > return 0; > } > > -int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data, > - unsigned long len) > -{ > - gfn_t gfn = gpa >> PAGE_SHIFT; > - struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); > - int offset = offset_in_page(gpa); > - > - return __kvm_read_guest_atomic(slot, gfn, data, offset, len); > -} > -EXPORT_SYMBOL_GPL(kvm_read_guest_atomic); > - > int kvm_vcpu_read_guest_atomic(struct kvm_vcpu *vcpu, gpa_t gpa, > void *data, unsigned long len) > { > Reviewed-by: Paolo Bonzini