From patchwork Thu Oct 10 18:23:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 1995716 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=KK6Ji5wE; 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=hHRUq768; 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 4XPfTn41QPz1xsv for ; Fri, 11 Oct 2024 06:10:21 +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=dynkvUuWbbT/WuIC4xNkRpciGo9TJPTMVGtMsdbnFrI=; b=KK6Ji5wEDmreMY 9Zwf/ieEYk/LyvaEOmjEaaZO64TS/dyNRzQ7H1+lH3wDT4U1wL6/nFj4EGwzCwHTP79Wp+Nl5Mnog 7myj+befPucDkAVznrbcGd7aA4qN+wiaQMx8niSZMkKGeOh1frwWTeCA/b+8sTlglI1jLzwUQ28A9 UpX/yY20K2EeY4Fp7J4ufGOACVL5moR4Jb+cVLp6ypDZBljcOeBapMfsnz05+uY3F+EQ+cU9iylh+ M2Henqw8ELz7/rzvwOU1APMBbBPvcjmqxC6mj7eAh400ws1PoB9xklXWbM+tqRRb59/fQeLBjmmVr Ql3liaiFWhTAOTk7smvw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1syyYG-0000000E3cb-1MAY; Thu, 10 Oct 2024 19:10:20 +0000 Received: from mail-pl1-x64a.google.com ([2607:f8b0:4864:20::64a]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1syxrW-0000000Dqbv-2aDW for kvm-riscv@lists.infradead.org; Thu, 10 Oct 2024 18:26:13 +0000 Received: by mail-pl1-x64a.google.com with SMTP id d9443c01a7336-20c8a799e8dso9119565ad.2 for ; Thu, 10 Oct 2024 11:26:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1728584769; x=1729189569; 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=551DSOChXG5A+yDanUyc1gC1jxg9ryEf27npUXDW1CE=; b=hHRUq768hWMB0snk3BTDf56BfbwlI/wpDGgFhaIx6MEk7ikWWWPixPGn5ajCAfoaG7 0pbQvb2docQGGHhQNGOEELyTo7Vn6Kg+2FK1Ado67d3dpb9nyxslxTWPdbIhCjSBDz55 ZZHh5rAO98OLYQq30LZnkOFZ8o9x0nvVNieVl9SGp8g1LHKYjOx0z8KSEtcXQHgXxI5a ssz873LT3liXqRaru9m8P5P+ghEymZ2dHwIcTCN5DQoQB/SedtOHs1Ul/MYoHZ+tTuqg rAtROSmEeH/8XJgjKuysN/PJsY+C2BYPd5iklkCaHOn7gwmpxw+U9/Pxtu4Mfcnf5wVt B9Hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728584769; x=1729189569; 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=551DSOChXG5A+yDanUyc1gC1jxg9ryEf27npUXDW1CE=; b=HdqRzuK4HQkJLenFA+jBBgCGoqvidSIjeUIC/oyIPnUOZuR7M7SY7GgoPX0fnwjsXf TNY7LBkn5DqR9d8mOzml3ft/YyH98TLWuR+iG/wqs//rBNuP94uRy/4h8cdVR2sR/L6C 3Vwk12HiPKEkXQoy4qe+WT1rmyryUZGNz8V6tuUs3vQSZh1YRPvmTGTOhUjJGmqvXAy2 uwVHnoAHasZnRYZgxQihEWlOAwWIRBMIJGvbUZomWbimVAEsIk6tfG5hKLGkn0fgtVOW cldI3tSvi37CxYlMzhmbEIxb7p0Q4nZAEwJukLhCPuvYu2lKqJ/W7JCQQlPvJddYxFPc f3Lg== X-Forwarded-Encrypted: i=1; AJvYcCXarnI4gRxk7SUAXmFfVml2AOzvKn243kZAnz/S8LJ5UENMdgv1m3q/K9vufLs1wKV5HIjLlPejZVA=@lists.infradead.org X-Gm-Message-State: AOJu0Yw6yBknvsi9rbZHKebMzDwxJF1XCZ0UQ7fdiQ1x/DCPEy49SLP4 tVL2qiYNlTB52q7n6baIT03+EJa5EJOo29ShGrIUzAhofVjqD1UXHEU2925Jwi21aVczBs2cf4T Q4w== X-Google-Smtp-Source: AGHT+IGKm7yq47izgr1FmkV+xWCQVhrzT+Qt86SXT8qqzZ7digIfsw6vfVxyVo72E4861BiCHpsXRIV5BzI= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:9d:3983:ac13:c240]) (user=seanjc job=sendgmr) by 2002:a17:902:e80f:b0:1fa:2ae7:cc6a with SMTP id d9443c01a7336-20c63722d7fmr648865ad.4.1728584768900; Thu, 10 Oct 2024 11:26:08 -0700 (PDT) Date: Thu, 10 Oct 2024 11:23:39 -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: <20241010182427.1434605-38-seanjc@google.com> Subject: [PATCH v13 37/85] KVM: x86/mmu: Add "mmu" prefix fault-in helpers to free up generic names 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_112610_728972_38CB708C X-CRM114-Status: GOOD ( 12.05 ) 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__Prefix_x86=27s_faultin=5Fpfn_helpers_w?= =?unknown-8bit?q?ith_=22mmu=22_so_that_the_mmu-less?= =?unknown-8bit?q?_names_can_be_used_by_common_KVM_for_similar_APIs=2E_No_fun?= =?unknown-8bit?q?ctional_change_intended=2E?= =?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_---_arch/x86/kvm/mmu/mmu=2Ec_?= =?unknown-8bit?q?=7C_19_++++++++++---------_arch/x86/kvm/mmu/mmu=5Finternal?= =?unknown-8bit?q?=2Eh?= =?unknown-8bit?b?IHwgMiArLSBhcmNoLyBbLi4uXSA=?= =?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?IFsyNjA3OmY4YjA6NDg2NDoyMDowOjA6MDo2NGEgbGlzdGVkIGluXQ==?= =?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 Prefix x86's faultin_pfn helpers with "mmu" so that the mmu-less names can be used by common KVM for similar APIs. No functional change intended. Tested-by: Alex Bennée Signed-off-by: Sean Christopherson --- arch/x86/kvm/mmu/mmu.c | 19 ++++++++++--------- arch/x86/kvm/mmu/mmu_internal.h | 2 +- arch/x86/kvm/mmu/paging_tmpl.h | 2 +- 3 files changed, 12 insertions(+), 11 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 28f2b842d6ca..e451e1b9a55a 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4347,8 +4347,8 @@ static u8 kvm_max_private_mapping_level(struct kvm *kvm, kvm_pfn_t pfn, return max_level; } -static int kvm_faultin_pfn_private(struct kvm_vcpu *vcpu, - struct kvm_page_fault *fault) +static int kvm_mmu_faultin_pfn_private(struct kvm_vcpu *vcpu, + struct kvm_page_fault *fault) { int max_order, r; @@ -4371,10 +4371,11 @@ static int kvm_faultin_pfn_private(struct kvm_vcpu *vcpu, return RET_PF_CONTINUE; } -static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) +static int __kvm_mmu_faultin_pfn(struct kvm_vcpu *vcpu, + struct kvm_page_fault *fault) { if (fault->is_private) - return kvm_faultin_pfn_private(vcpu, fault); + return kvm_mmu_faultin_pfn_private(vcpu, fault); fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, false, true, fault->write, &fault->map_writable); @@ -4409,8 +4410,8 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault return RET_PF_CONTINUE; } -static int kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, - unsigned int access) +static int kvm_mmu_faultin_pfn(struct kvm_vcpu *vcpu, + struct kvm_page_fault *fault, unsigned int access) { struct kvm_memory_slot *slot = fault->slot; int ret; @@ -4493,7 +4494,7 @@ static int kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, if (mmu_invalidate_retry_gfn_unsafe(vcpu->kvm, fault->mmu_seq, fault->gfn)) return RET_PF_RETRY; - ret = __kvm_faultin_pfn(vcpu, fault); + ret = __kvm_mmu_faultin_pfn(vcpu, fault); if (ret != RET_PF_CONTINUE) return ret; @@ -4570,7 +4571,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault if (r) return r; - r = kvm_faultin_pfn(vcpu, fault, ACC_ALL); + r = kvm_mmu_faultin_pfn(vcpu, fault, ACC_ALL); if (r != RET_PF_CONTINUE) return r; @@ -4661,7 +4662,7 @@ static int kvm_tdp_mmu_page_fault(struct kvm_vcpu *vcpu, if (r) return r; - r = kvm_faultin_pfn(vcpu, fault, ACC_ALL); + r = kvm_mmu_faultin_pfn(vcpu, fault, ACC_ALL); if (r != RET_PF_CONTINUE) return r; diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h index 633aedec3c2e..59e600f6ff9d 100644 --- a/arch/x86/kvm/mmu/mmu_internal.h +++ b/arch/x86/kvm/mmu/mmu_internal.h @@ -235,7 +235,7 @@ struct kvm_page_fault { /* The memslot containing gfn. May be NULL. */ struct kvm_memory_slot *slot; - /* Outputs of kvm_faultin_pfn. */ + /* Outputs of kvm_mmu_faultin_pfn(). */ unsigned long mmu_seq; kvm_pfn_t pfn; bool map_writable; diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 143b7e9f26dc..9bd3d6f5db91 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -812,7 +812,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault if (r) return r; - r = kvm_faultin_pfn(vcpu, fault, walker.pte_access); + r = kvm_mmu_faultin_pfn(vcpu, fault, walker.pte_access); if (r != RET_PF_CONTINUE) return r;