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Fri, 11 Sep 2020 19:28:52 +0000 Subject: [PATCH v6 08/12] KVM: SVM: Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept From: Babu Moger To: pbonzini@redhat.com, vkuznets@redhat.com, sean.j.christopherson@intel.com, jmattson@google.com Cc: wanpengli@tencent.com, kvm@vger.kernel.org, joro@8bytes.org, x86@kernel.org, linux-kernel@vger.kernel.org, babu.moger@amd.com, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, tglx@linutronix.de Date: Fri, 11 Sep 2020 14:28:50 -0500 Message-ID: <159985253016.11252.16945893859439811480.stgit@bmoger-ubuntu> In-Reply-To: <159985237526.11252.1516487214307300610.stgit@bmoger-ubuntu> References: <159985237526.11252.1516487214307300610.stgit@bmoger-ubuntu> User-Agent: StGit/0.17.1-dirty Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: DM5PR1101CA0001.namprd11.prod.outlook.com (2603:10b6:4:4c::11) To SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [127.0.1.1] (165.204.77.1) by DM5PR1101CA0001.namprd11.prod.outlook.com (2603:10b6:4:4c::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.16 via Frontend Transport; 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Instead call generic svm_set_intercept, svm_clr_intercept an dsvm_is_intercep tfor all cr intercepts. Signed-off-by: Babu Moger Reviewed-by: Jim Mattson --- arch/x86/kvm/svm/svm.c | 34 +++++++++++++++++----------------- arch/x86/kvm/svm/svm.h | 25 ------------------------- 2 files changed, 17 insertions(+), 42 deletions(-) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 17bfa34033ac..0d7397f4a4f7 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -992,14 +992,14 @@ static void init_vmcb(struct vcpu_svm *svm) svm->vcpu.arch.hflags = 0; - set_cr_intercept(svm, INTERCEPT_CR0_READ); - set_cr_intercept(svm, INTERCEPT_CR3_READ); - set_cr_intercept(svm, INTERCEPT_CR4_READ); - set_cr_intercept(svm, INTERCEPT_CR0_WRITE); - set_cr_intercept(svm, INTERCEPT_CR3_WRITE); - set_cr_intercept(svm, INTERCEPT_CR4_WRITE); + svm_set_intercept(svm, INTERCEPT_CR0_READ); + svm_set_intercept(svm, INTERCEPT_CR3_READ); + svm_set_intercept(svm, INTERCEPT_CR4_READ); + svm_set_intercept(svm, INTERCEPT_CR0_WRITE); + svm_set_intercept(svm, INTERCEPT_CR3_WRITE); + svm_set_intercept(svm, INTERCEPT_CR4_WRITE); if (!kvm_vcpu_apicv_active(&svm->vcpu)) - set_cr_intercept(svm, INTERCEPT_CR8_WRITE); + svm_set_intercept(svm, INTERCEPT_CR8_WRITE); set_dr_intercepts(svm); @@ -1094,8 +1094,8 @@ static void init_vmcb(struct vcpu_svm *svm) control->nested_ctl |= SVM_NESTED_CTL_NP_ENABLE; svm_clr_intercept(svm, INTERCEPT_INVLPG); clr_exception_intercept(svm, INTERCEPT_PF_VECTOR); - clr_cr_intercept(svm, INTERCEPT_CR3_READ); - clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); + svm_clr_intercept(svm, INTERCEPT_CR3_READ); + svm_clr_intercept(svm, INTERCEPT_CR3_WRITE); save->g_pat = svm->vcpu.arch.pat; save->cr3 = 0; save->cr4 = 0; @@ -1549,11 +1549,11 @@ static void update_cr0_intercept(struct vcpu_svm *svm) vmcb_mark_dirty(svm->vmcb, VMCB_CR); if (gcr0 == *hcr0) { - clr_cr_intercept(svm, INTERCEPT_CR0_READ); - clr_cr_intercept(svm, INTERCEPT_CR0_WRITE); + svm_clr_intercept(svm, INTERCEPT_CR0_READ); + svm_clr_intercept(svm, INTERCEPT_CR0_WRITE); } else { - set_cr_intercept(svm, INTERCEPT_CR0_READ); - set_cr_intercept(svm, INTERCEPT_CR0_WRITE); + svm_set_intercept(svm, INTERCEPT_CR0_READ); + svm_set_intercept(svm, INTERCEPT_CR0_WRITE); } } @@ -2931,7 +2931,7 @@ static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath) trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM); - if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE)) + if (!svm_is_intercept(svm, INTERCEPT_CR0_WRITE)) vcpu->arch.cr0 = svm->vmcb->save.cr0; if (npt_enabled) vcpu->arch.cr3 = svm->vmcb->save.cr3; @@ -3056,13 +3056,13 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr) if (nested_svm_virtualize_tpr(vcpu)) return; - clr_cr_intercept(svm, INTERCEPT_CR8_WRITE); + svm_clr_intercept(svm, INTERCEPT_CR8_WRITE); if (irr == -1) return; if (tpr >= irr) - set_cr_intercept(svm, INTERCEPT_CR8_WRITE); + svm_set_intercept(svm, INTERCEPT_CR8_WRITE); } bool svm_nmi_blocked(struct kvm_vcpu *vcpu) @@ -3250,7 +3250,7 @@ static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu) if (nested_svm_virtualize_tpr(vcpu)) return; - if (!is_cr_intercept(svm, INTERCEPT_CR8_WRITE)) { + if (!svm_is_intercept(svm, INTERCEPT_CR8_WRITE)) { int cr8 = svm->vmcb->control.int_ctl & V_TPR_MASK; kvm_set_cr8(vcpu, cr8); } diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index ffb35a83048f..8128bac75fa2 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -228,31 +228,6 @@ static inline bool vmcb_is_intercept(struct vmcb_control_area *control, int bit) return test_bit(bit, (unsigned long *)&control->intercepts); } -static inline void set_cr_intercept(struct vcpu_svm *svm, int bit) -{ - struct vmcb *vmcb = get_host_vmcb(svm); - - vmcb_set_intercept(&vmcb->control, bit); - - recalc_intercepts(svm); -} - -static inline void clr_cr_intercept(struct vcpu_svm *svm, int bit) -{ - struct vmcb *vmcb = get_host_vmcb(svm); - - vmcb_clr_intercept(&vmcb->control, bit); - - recalc_intercepts(svm); -} - -static inline bool is_cr_intercept(struct vcpu_svm *svm, int bit) -{ - struct vmcb *vmcb = get_host_vmcb(svm); - - return vmcb_is_intercept(&vmcb->control, bit); -} - static inline void set_dr_intercepts(struct vcpu_svm *svm) { struct vmcb *vmcb = get_host_vmcb(svm);