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Date: Thu, 06 Aug 2020 19:46:28 -0500 From: Babu Moger <babu.moger@....com> To: pbonzini@...hat.com, vkuznets@...hat.com, wanpengli@...cent.com, sean.j.christopherson@...el.com, jmattson@...gle.com Cc: kvm@...r.kernel.org, joro@...tes.org, x86@...nel.org, linux-kernel@...r.kernel.org, mingo@...hat.com, bp@...en8.de, hpa@...or.com, tglx@...utronix.de Subject: [PATCH v4 01/12] KVM: SVM: Introduce vmcb_set_intercept, vmcb_clr_intercept and vmcb_is_intercept This is in preparation for the future intercept vector additions. Add new functions vmcb_set_intercept, vmcb_clr_intercept and vmcb_is_intercept using kernel APIs __set_bit, __clear_bit and test_bit espectively. Signed-off-by: Babu Moger <babu.moger@....com> --- arch/x86/kvm/svm/svm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 6ac4c00a5d82..9f3c4ce2498d 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -217,6 +217,21 @@ static inline struct vmcb *get_host_vmcb(struct vcpu_svm *svm) return svm->vmcb; } +static inline void vmcb_set_intercept(struct vmcb_control_area *control, int bit) +{ + __set_bit(bit, (unsigned long *)&control->intercept_cr); +} + +static inline void vmcb_clr_intercept(struct vmcb_control_area *control, int bit) +{ + __clear_bit(bit, (unsigned long *)&control->intercept_cr); +} + +static inline bool vmcb_is_intercept(struct vmcb_control_area *control, int bit) +{ + return test_bit(bit, (unsigned long *)&control->intercept_cr); +} + static inline void set_cr_intercept(struct vcpu_svm *svm, int bit) { struct vmcb *vmcb = get_host_vmcb(svm);
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