| #ifndef __KVM_X86_MMU_H |
| #define __KVM_X86_MMU_H |
| |
| #include <linux/kvm_host.h> |
| |
| static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) |
| { |
| if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES)) |
| __kvm_mmu_free_some_pages(vcpu); |
| } |
| |
| static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) |
| { |
| if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE)) |
| return 0; |
| |
| return kvm_mmu_load(vcpu); |
| } |
| |
| static inline int is_long_mode(struct kvm_vcpu *vcpu) |
| { |
| #ifdef CONFIG_X86_64 |
| return vcpu->arch.shadow_efer & EFER_LME; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline int is_pae(struct kvm_vcpu *vcpu) |
| { |
| return vcpu->arch.cr4 & X86_CR4_PAE; |
| } |
| |
| static inline int is_pse(struct kvm_vcpu *vcpu) |
| { |
| return vcpu->arch.cr4 & X86_CR4_PSE; |
| } |
| |
| static inline int is_paging(struct kvm_vcpu *vcpu) |
| { |
| return vcpu->arch.cr0 & X86_CR0_PG; |
| } |
| |
| #endif |
