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b=Cegc58q8KJn+uDTXFISk8xGcZyiFJlUSz84getTLgbVOo0MhmyY2nr5+prno2zrPK4 O4ep7dy6+Do11Ie3HnbHhvTt7hO1AVLC6wfmR8l+awKaGR/UMxC1nsqqfFrT7x6mdoxR QgLyZZiIv6FoxTDXCor5ZoVXPU+iZ3kagdVLymjLGJ133SPYJY5ChrHwowO3TynfSrVS srC3/9ewkJo7m2eACzBCfDmjLOIIYXOQPNfvx16xTGGEOsP9ZNlj02g5ae1QFPUQ21M/ MXIAEperMCzgjjUP72d70LVzIQfZV1rVmkFGHPDAmxvusI2sL//9pbUThBxBRLlS/aKE fykA== X-Forwarded-Encrypted: i=1; AJvYcCVfuDovehgmWUXv9zgocIloBJMTr7yDBHctAIbFmXHYTU/8fSxqT7QfYAfvYtBY4yUnntt3G5TV40BH@vger.kernel.org X-Gm-Message-State: AOJu0YxY6XvI83qaWDSpAzIK7iOw0X0Xk+HFU8E3VHAhEAXO13dyS3EE K1DqUeGs1NfbScj5x5xIXNEgSxQHLiwTW878loXAaUm85/fe5sJcFcRHBTzep/dNkihQBXdhr1W XaA== 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) Reply-To: Sean Christopherson Date: Thu, 10 Oct 2024 11:23:39 -0700 In-Reply-To: <20241010182427.1434605-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: 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: <20241010182427.1434605-38-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 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;