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Thu, 10 Oct 2024 11:27:50 -0700 (PDT) Reply-To: Sean Christopherson Date: Thu, 10 Oct 2024 11:24:26 -0700 In-Reply-To: <20241010182427.1434605-1-seanjc@google.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: Mime-Version: 1.0 References: <20241010182427.1434605-1-seanjc@google.com> X-Mailer: git-send-email 2.47.0.rc1.288.g06298d1525-goog Message-ID: <20241010182427.1434605-85-seanjc@google.com> Subject: [PATCH v13 84/85] KVM: Drop APIs that manipulate "struct page" via pfns From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Michael Ellerman , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Sean Christopherson Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, "=?UTF-8?q?Alex=20Benn=C3=A9e?=" , Yan Zhao , David Matlack , David Stevens , Andrew Jones Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Remove all kvm_{release,set}_pfn_*() APIs now that all users are gone. No functional change intended. Reviewed-by: Alex Benn=C3=A9e Tested-by: Alex Benn=C3=A9e Signed-off-by: Sean Christopherson --- include/linux/kvm_host.h | 5 ---- virt/kvm/kvm_main.c | 55 ---------------------------------------- 2 files changed, 60 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4a1eaa40a215..d045f8310a48 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1274,11 +1274,6 @@ static inline kvm_pfn_t kvm_faultin_pfn(struct kvm_v= cpu *vcpu, gfn_t gfn, write ? FOLL_WRITE : 0, writable, refcounted_page); } =20 -void kvm_release_pfn_clean(kvm_pfn_t pfn); -void kvm_release_pfn_dirty(kvm_pfn_t pfn); -void kvm_set_pfn_dirty(kvm_pfn_t pfn); -void kvm_set_pfn_accessed(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(struct kvm *kvm, gpa_t gpa, void *data, unsigned long l= en); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index a483da96f4be..396ca14f18f3 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3164,61 +3164,6 @@ void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kv= m_host_map *map) } EXPORT_SYMBOL_GPL(kvm_vcpu_unmap); =20 -void kvm_release_pfn_clean(kvm_pfn_t pfn) -{ - struct page *page; - - if (is_error_noslot_pfn(pfn)) - return; - - page =3D kvm_pfn_to_refcounted_page(pfn); - if (!page) - return; - - kvm_release_page_clean(page); -} -EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); - -void kvm_release_pfn_dirty(kvm_pfn_t pfn) -{ - struct page *page; - - if (is_error_noslot_pfn(pfn)) - return; - - page =3D kvm_pfn_to_refcounted_page(pfn); - if (!page) - return; - - kvm_release_page_dirty(page); -} -EXPORT_SYMBOL_GPL(kvm_release_pfn_dirty); - -/* - * Note, checking for an error/noslot pfn is the caller's responsibility w= hen - * directly marking a page dirty/accessed. Unlike the "release" helpers, = the - * "set" helpers are not to be used when the pfn might point at garbage. - */ -void kvm_set_pfn_dirty(kvm_pfn_t pfn) -{ - if (WARN_ON(is_error_noslot_pfn(pfn))) - return; - - if (pfn_valid(pfn)) - kvm_set_page_dirty(pfn_to_page(pfn)); -} -EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty); - -void kvm_set_pfn_accessed(kvm_pfn_t pfn) -{ - if (WARN_ON(is_error_noslot_pfn(pfn))) - return; - - if (pfn_valid(pfn)) - kvm_set_page_accessed(pfn_to_page(pfn)); -} -EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed); - static int next_segment(unsigned long len, int offset) { if (len > PAGE_SIZE - offset) --=20 2.47.0.rc1.288.g06298d1525-goog