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([2001:b07:6468:f312:ec9b:111a:97e3:4baf]) by smtp.gmail.com with ESMTPSA id n21sm660473wmi.21.2020.09.25.17.24.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Sep 2020 17:24:16 -0700 (PDT) Subject: Re: [PATCH 10/22] kvm: mmu: Add TDP MMU PF handler To: Ben Gardon , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Cannon Matthews , Peter Xu , Sean Christopherson , Peter Shier , Peter Feiner , Junaid Shahid , Jim Mattson , Yulei Zhang , Wanpeng Li , Vitaly Kuznetsov , Xiao Guangrong References: <20200925212302.3979661-1-bgardon@google.com> <20200925212302.3979661-11-bgardon@google.com> From: Paolo Bonzini Message-ID: <91269bc5-ddef-9ede-774a-9a07d4ceb675@redhat.com> Date: Sat, 26 Sep 2020 02:24:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200925212302.3979661-11-bgardon@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/09/20 23:22, Ben Gardon wrote: > > -static bool is_nx_huge_page_enabled(void) > +bool is_nx_huge_page_enabled(void) > { > return READ_ONCE(nx_huge_pages); > } > @@ -381,7 +361,7 @@ static inline u64 spte_shadow_dirty_mask(u64 spte) > return spte_ad_enabled(spte) ? shadow_dirty_mask : 0; > } > > -static inline bool is_access_track_spte(u64 spte) > +inline bool is_access_track_spte(u64 spte) > { > return !spte_ad_enabled(spte) && (spte & shadow_acc_track_mask) == 0; > } > @@ -433,7 +413,7 @@ static u64 get_mmio_spte_generation(u64 spte) > return gen; > } > > -static u64 make_mmio_spte(struct kvm_vcpu *vcpu, u64 gfn, unsigned int access) > +u64 make_mmio_spte(struct kvm_vcpu *vcpu, u64 gfn, unsigned int access) > { > > u64 gen = kvm_vcpu_memslots(vcpu)->generation & MMIO_SPTE_GEN_MASK; > @@ -613,7 +593,7 @@ int is_shadow_present_pte(u64 pte) > return (pte != 0) && !is_mmio_spte(pte); > } > > -static int is_large_pte(u64 pte) > +int is_large_pte(u64 pte) > { > return pte & PT_PAGE_SIZE_MASK; > } All candidates for inlining too (Also probably we'll create a common.c file for stuff that is common to the shadow and TDP MMU, but that can come later). Paolo