From patchwork Thu Oct 10 18:24:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 1995827 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=FQuvJ2DV; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=QrJKmIjv; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XPmHF2W8nz1xsc for ; Fri, 11 Oct 2024 10:31:37 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Reply-To:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID :References:Mime-Version:In-Reply-To:Date:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nRPw9xIgcSynVQAJN4TKMsC1DUEgm7Xp2gO0su5ga0c=; b=FQuvJ2DVjRZTvm 5vpkemYqWfAmKQgbPJ/1dLAyWAXhZpsl6HXS5rWpYvdRBF87/VvXVp6C0apRmnK8OtIe+IWWqRB3g lRgbf1EtVDqB/YbO9mGQtDzoYJAaObE6gz+9DYATXFp+vM9SCncGz2HAUAECtkvEUPYy+RLKcUMZG M9mt+njCW+dZEO6QxpwEQLKYzaRGm1XDBjc7WxOKZRbCTN/xK6qfXPc1AhReOnldkfwqNrM3/tEC4 Xui6IpjfO2s3ihzF4WqVtA8x4lNLeg7EqbNtRXDgjjsZUX3QZDb6p5UA4lQo+aM9c6LToasWzC2cb zvWwYoYdUgFFJn2xLWwQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sz2d6-0000000Ef8y-0YJk; Thu, 10 Oct 2024 23:31:36 +0000 Received: from mail-yw1-x1149.google.com ([2607:f8b0:4864:20::1149]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1syxt9-0000000Drwl-33sV for kvm-riscv@lists.infradead.org; Thu, 10 Oct 2024 18:27:53 +0000 Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-6e2baf2ff64so22523017b3.0 for ; Thu, 10 Oct 2024 11:27:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1728584870; x=1729189670; darn=lists.infradead.org; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:reply-to:from:to:cc:subject:date :message-id:reply-to; bh=BeNSr3VxopvO4QfIOfKviYSPGRm8vVX1K3YR0sLhejo=; b=QrJKmIjvSEAhTIlwVFJOmQ5I7I1VQhdnUVXCZMq3P4JJusmgXnFbWJC6rS25qcKrc9 PN5Xs1EwDCBnS6Jfegln//omwt2zD+qAgL/jptfn/AmjxhsbXA9WzAJnKDAbX142AR6h RNYj2DIR2JEFC5wyhzG4jhM0r+T/Z/aReqH/PvQPn9B40wk+edj62VBTntkLj/5FBB25 QYk85cbXR2hELgL/DYbNsXGMlrv7GaJaMXWXi7F9kTmNYdUQHst26FT47gHsPnKmbLt7 75NSePZV/v2zlVeBCcHeWFDP2qwe6gTBBEdY9I3NyXl+0CYfK1SourHBzLUeeikafN8J vQPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728584870; x=1729189670; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:reply-to:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=BeNSr3VxopvO4QfIOfKviYSPGRm8vVX1K3YR0sLhejo=; b=WTEifF/qqbEcEtXFW9iQISiozPR2aJtaLonseBZlZtuNFMYynGVxpyvEqA5OF90TXu 3wX0oDa8DkZMJmgQKJLDGg7zIQ0RHdRMJ05gy6LWfNUdC+Me9hstKCXM0YkOGn2Mk3An 90FpOYXXvVbYoVvbMIFth887DVfGO6fDP/HNDzHMTpPcoGAhHM2tTliEXy2pJRRlmorv sOMX5Lo9+qbAVBhUsF3xG8/UCRVASKr26PFDQsc6WAxJ4VeO2bLhAhZAMR40/3Jy6PuR 2MD1LGPaQlkX86RVMa0765yDhE6xqHI5USHHnOnZXMc6USCZZCQy87flkWpP1B9WV4ER Hy/A== X-Forwarded-Encrypted: i=1; AJvYcCUV7MaAQ01gM8qwQUjiid2C3zm/yITnEUg7eINaT0X64QkpUMlWB0VKkNMLzNn1pe0/bdvjVDKMZFM=@lists.infradead.org X-Gm-Message-State: AOJu0Ywnaa4mU2PcBE47gsZYMuBCaLftKGk5uRiZHkORBH3EeTv42FIz OOguzpxSN0uQpvzrja94uDnmRdUB3+/5DivOuneGbm0TAuivcU3Ix7ajY4VwOm7JA+uEMvdrfl7 KmQ== X-Google-Smtp-Source: AGHT+IHhmEpfdjhYs/g96WpbaMl3fao5EtfU192MAf3yyGbJNoRiDL4cTPbNYR1fq37SA+x5liddjIzSKiU= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:9d:3983:ac13:c240]) (user=seanjc job=sendgmr) by 2002:a05:690c:2e86:b0:6dd:bcce:7cd4 with SMTP id 00721157ae682-6e3221404ddmr516647b3.2.1728584870148; Thu, 10 Oct 2024 11:27:50 -0700 (PDT) Date: Thu, 10 Oct 2024 11:24:26 -0700 In-Reply-To: <20241010182427.1434605-1-seanjc@google.com> 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_Benn=C3=A9e?= " , Yan Zhao , David Matlack , David Stevens , Andrew Jones X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241010_112751_823146_6AA5CF91 X-CRM114-Status: UNSURE ( 9.36 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -9.5 (---------) X-Spam-Report: =?unknown-8bit?q?Spam_detection_software=2C_running_on_the_sy?= =?unknown-8bit?q?stem_=22bombadil=2Einfradead=2Eorg=22=2C?= =?unknown-8bit?q?_has_NOT_identified_this_incoming_email_as_spam=2E__The_ori?= =?unknown-8bit?q?ginal?= =?unknown-8bit?q?_message_has_been_attached_to_this_so_you_can_view_it_or_la?= =?unknown-8bit?q?bel?= =?unknown-8bit?q?_similar_future_email=2E__If_you_have_any_questions=2C_see?= =?unknown-8bit?q?_the_administrator_of_that_system_for_details=2E?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_Content_preview=3A__Remove_all_kvm=5F=7Brelease=2Cset=7D?= =?unknown-8bit?q?=5Fpfn=5F*=28=29_APIs_now_that_all_users?= =?unknown-8bit?q?_are_gone=2E_No_functional_change_intended=2E_Reviewed-by?= =?unknown-8bit?q?=3A_Alex_Benn=C3=A9e_=3Calex=2Ebennee=40linaro=2Eorg=3E?= =?unknown-8bit?q?_Tested-by=3A_Alex_Benn=C3=A9e_=3Calex=2Ebennee=40linaro=2E?= =?unknown-8bit?q?org=3E_Signed-off-by=3A_Sean_Christopherson?= =?unknown-8bit?q?_=3Cseanjc=40google=2Ecom=3E_---_include/linux/kvm=5Fhost?= =?unknown-8bit?q?=2Eh_=7C_5_----_virt/kv_=5B=2E=2E=2E=5D_?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_Content_analysis_details=3A___=28-9=2E5_points=2C_5=2E0_re?= =?unknown-8bit?q?quired=29?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_pts_rule_name______________description?= =?unknown-8bit?q?_----_----------------------_------------------------------?= =?unknown-8bit?q?--------------------?= =?unknown-8bit?q?_-0=2E0_RCVD=5FIN=5FDNSWL=5FNONE_____RBL=3A_Sender_listed_a?= =?unknown-8bit?q?t_https=3A//www=2Ednswl=2Eorg/=2C_no?= =?unknown-8bit?q?_trust?= =?unknown-8bit?b?IFsyNjA3OmY4YjA6NDg2NDoyMDowOjA6MDoxMTQ5IGxpc3RlZCBpbl0=?= =?unknown-8bit?b?IFtsaXN0LmRuc3dsLm9yZ10=?= =?unknown-8bit?q?_0=2E0_SPF=5FHELO=5FNONE__________SPF=3A_HELO_does_not_publ?= =?unknown-8bit?q?ish_an_SPF_Record?= =?unknown-8bit?q?_-0=2E0_SPF=5FPASS_______________SPF=3A_sender_matches_SPF_?= =?unknown-8bit?q?record?= =?unknown-8bit?q?_-7=2E5_USER=5FIN=5FDEF=5FDKIM=5FWL____From=3A_address_is_i?= =?unknown-8bit?q?n_the_default_DKIM_welcome-list?= =?unknown-8bit?q?_-0=2E1_DKIM=5FVALID_____________Message_has_at_least_one_v?= =?unknown-8bit?q?alid_DKIM_or_DK_signature?= =?unknown-8bit?q?_0=2E1_DKIM=5FSIGNED____________Message_has_a_DKIM_or_DK_si?= =?unknown-8bit?q?gnature=2C_not_necessarily_valid?= =?unknown-8bit?q?_-0=2E1_DKIM=5FVALID=5FAU__________Message_has_a_valid_DKIM?= =?unknown-8bit?q?_or_DK_signature_from_author=27s?= =?unknown-8bit?q?_domain?= =?unknown-8bit?q?_-1=2E9_BAYES=5F00_______________BODY=3A_Bayes_spam_probabi?= =?unknown-8bit?q?lity_is_0_to_1=25?= =?unknown-8bit?q?_=5Bscore=3A_0=2E0000=5D?= =?unknown-8bit?q?_-0=2E0_DKIMWL=5FWL=5FMED__________DKIMwl=2Eorg_-_Medium_tr?= =?unknown-8bit?q?ust_sender?= X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Sean Christopherson Sender: "kvm-riscv" Errors-To: kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Remove all kvm_{release,set}_pfn_*() APIs now that all users are gone. No functional change intended. Reviewed-by: Alex Bennée Tested-by: Alex Bennée 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_vcpu *vcpu, gfn_t gfn, write ? FOLL_WRITE : 0, writable, refcounted_page); } -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 len); 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 kvm_host_map *map) } EXPORT_SYMBOL_GPL(kvm_vcpu_unmap); -void kvm_release_pfn_clean(kvm_pfn_t pfn) -{ - struct page *page; - - if (is_error_noslot_pfn(pfn)) - return; - - page = 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 = 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 when - * 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)