Make use of bool as return values, and remove some useless bool value converting. Thanks Avi to point this out. Signed-off-by: Gui Jianfeng <guijianfeng@xxxxxxxxxxxxxx> --- arch/x86/kvm/vmx.c | 54 ++++++++++++++++++++++++++-------------------------- 1 files changed, 27 insertions(+), 27 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 06108f3..3ddcfc5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -231,56 +231,56 @@ static const u32 vmx_msr_index[] = { }; #define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index) -static inline int is_page_fault(u32 intr_info) +static inline bool is_page_fault(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK | INTR_INFO_VALID_MASK)) == (INTR_TYPE_HARD_EXCEPTION | PF_VECTOR | INTR_INFO_VALID_MASK); } -static inline int is_no_device(u32 intr_info) +static inline bool is_no_device(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK | INTR_INFO_VALID_MASK)) == (INTR_TYPE_HARD_EXCEPTION | NM_VECTOR | INTR_INFO_VALID_MASK); } -static inline int is_invalid_opcode(u32 intr_info) +static inline bool is_invalid_opcode(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK | INTR_INFO_VALID_MASK)) == (INTR_TYPE_HARD_EXCEPTION | UD_VECTOR | INTR_INFO_VALID_MASK); } -static inline int is_external_interrupt(u32 intr_info) +static inline bool is_external_interrupt(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK)) == (INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK); } -static inline int is_machine_check(u32 intr_info) +static inline bool is_machine_check(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK | INTR_INFO_VALID_MASK)) == (INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK); } -static inline int cpu_has_vmx_msr_bitmap(void) +static inline bool cpu_has_vmx_msr_bitmap(void) { return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_USE_MSR_BITMAPS; } -static inline int cpu_has_vmx_tpr_shadow(void) +static inline bool cpu_has_vmx_tpr_shadow(void) { return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_TPR_SHADOW; } -static inline int vm_need_tpr_shadow(struct kvm *kvm) +static inline bool vm_need_tpr_shadow(struct kvm *kvm) { return (cpu_has_vmx_tpr_shadow()) && (irqchip_in_kernel(kvm)); } -static inline int cpu_has_secondary_exec_ctrls(void) +static inline bool cpu_has_secondary_exec_ctrls(void) { return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_ACTIVATE_SECONDARY_CONTROLS; @@ -300,80 +300,80 @@ static inline bool cpu_has_vmx_flexpriority(void) static inline bool cpu_has_vmx_ept_execute_only(void) { - return !!(vmx_capability.ept & VMX_EPT_EXECUTE_ONLY_BIT); + return vmx_capability.ept & VMX_EPT_EXECUTE_ONLY_BIT; } static inline bool cpu_has_vmx_eptp_uncacheable(void) { - return !!(vmx_capability.ept & VMX_EPTP_UC_BIT); + return vmx_capability.ept & VMX_EPTP_UC_BIT; } static inline bool cpu_has_vmx_eptp_writeback(void) { - return !!(vmx_capability.ept & VMX_EPTP_WB_BIT); + return vmx_capability.ept & VMX_EPTP_WB_BIT; } static inline bool cpu_has_vmx_ept_2m_page(void) { - return !!(vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT); + return vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT; } static inline bool cpu_has_vmx_ept_1g_page(void) { - return !!(vmx_capability.ept & VMX_EPT_1GB_PAGE_BIT); + return vmx_capability.ept & VMX_EPT_1GB_PAGE_BIT; } -static inline int cpu_has_vmx_invept_individual_addr(void) +static inline bool cpu_has_vmx_invept_individual_addr(void) { - return !!(vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT); + return vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT; } -static inline int cpu_has_vmx_invept_context(void) +static inline bool cpu_has_vmx_invept_context(void) { - return !!(vmx_capability.ept & VMX_EPT_EXTENT_CONTEXT_BIT); + return vmx_capability.ept & VMX_EPT_EXTENT_CONTEXT_BIT; } -static inline int cpu_has_vmx_invept_global(void) +static inline bool cpu_has_vmx_invept_global(void) { - return !!(vmx_capability.ept & VMX_EPT_EXTENT_GLOBAL_BIT); + return vmx_capability.ept & VMX_EPT_EXTENT_GLOBAL_BIT; } -static inline int cpu_has_vmx_ept(void) +static inline bool cpu_has_vmx_ept(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_ENABLE_EPT; } -static inline int cpu_has_vmx_unrestricted_guest(void) +static inline bool cpu_has_vmx_unrestricted_guest(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_UNRESTRICTED_GUEST; } -static inline int cpu_has_vmx_ple(void) +static inline bool cpu_has_vmx_ple(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_PAUSE_LOOP_EXITING; } -static inline int vm_need_virtualize_apic_accesses(struct kvm *kvm) +static inline bool vm_need_virtualize_apic_accesses(struct kvm *kvm) { return flexpriority_enabled && irqchip_in_kernel(kvm); } -static inline int cpu_has_vmx_vpid(void) +static inline bool cpu_has_vmx_vpid(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_ENABLE_VPID; } -static inline int cpu_has_vmx_rdtscp(void) +static inline bool cpu_has_vmx_rdtscp(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_RDTSCP; } -static inline int cpu_has_virtual_nmis(void) +static inline bool cpu_has_virtual_nmis(void) { return vmcs_config.pin_based_exec_ctrl & PIN_BASED_VIRTUAL_NMIS; } -- 1.5.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html