diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/kvm.h | 10 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 4 | ||||
| -rw-r--r-- | drivers/kvm/mmu.c | 2 | ||||
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 4 | ||||
| -rw-r--r-- | drivers/kvm/svm.c | 6 | ||||
| -rw-r--r-- | drivers/kvm/vmx.c | 6 |
6 files changed, 14 insertions, 18 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 930e04ce1af..c2db4218d6c 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -278,7 +278,6 @@ struct kvm_arch_ops { struct kvm_segment *var, int seg); void (*set_segment)(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); - int (*is_long_mode)(struct kvm_vcpu *vcpu); void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l); void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0); void (*set_cr0_no_modeswitch)(struct kvm_vcpu *vcpu, @@ -403,6 +402,15 @@ static inline struct page *_gfn_to_page(struct kvm *kvm, gfn_t gfn) return (slot) ? slot->phys_mem[gfn - slot->base_gfn] : NULL; } +static inline int is_long_mode(struct kvm_vcpu *vcpu) +{ +#ifdef CONFIG_X86_64 + return vcpu->shadow_efer & EFER_LME; +#else + return 0; +#endif +} + static inline int is_pae(struct kvm_vcpu *vcpu) { return vcpu->cr4 & CR4_PAE_MASK; diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 9f24f22e4cb..38375e2bb70 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -398,7 +398,7 @@ void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) return; } - if (kvm_arch_ops->is_long_mode(vcpu)) { + if (is_long_mode(vcpu)) { if (!(cr4 & CR4_PAE_MASK)) { printk(KERN_DEBUG "set_cr4: #GP, clearing PAE while " "in long mode\n"); @@ -425,7 +425,7 @@ EXPORT_SYMBOL_GPL(set_cr4); void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) { - if (kvm_arch_ops->is_long_mode(vcpu)) { + if (is_long_mode(vcpu)) { if ( cr3 & CR3_L_MODE_RESEVED_BITS) { printk(KERN_DEBUG "set_cr3: #GP, reserved bits\n"); inject_gp(vcpu); diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index bdffe83b19e..85887fcd584 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -578,7 +578,7 @@ static int init_kvm_mmu(struct kvm_vcpu *vcpu) if (!is_paging(vcpu)) return nonpaging_init_context(vcpu); - else if (kvm_arch_ops->is_long_mode(vcpu)) + else if (is_long_mode(vcpu)) return paging64_init_context(vcpu); else if (is_pae(vcpu)) return paging32E_init_context(vcpu); diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index a9771b4c5bb..09bb9b4ed12 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -68,7 +68,7 @@ static void FNAME(init_walker)(struct guest_walker *walker, hpa = safe_gpa_to_hpa(vcpu, vcpu->cr3 & PT64_BASE_ADDR_MASK); walker->table = kmap_atomic(pfn_to_page(hpa >> PAGE_SHIFT), KM_USER0); - ASSERT((!kvm_arch_ops->is_long_mode(vcpu) && is_pae(vcpu)) || + ASSERT((!is_long_mode(vcpu) && is_pae(vcpu)) || (vcpu->cr3 & ~(PAGE_MASK | CR3_FLAGS_MASK)) == 0); walker->table = (pt_element_t *)( (unsigned long)walker->table | @@ -131,7 +131,7 @@ static pt_element_t *FNAME(fetch_guest)(struct kvm_vcpu *vcpu, (walker->table[index] & PT_PAGE_SIZE_MASK) && (PTTYPE == 64 || is_pse(vcpu)))) return &walker->table[index]; - if (walker->level != 3 || kvm_arch_ops->is_long_mode(vcpu)) + if (walker->level != 3 || is_long_mode(vcpu)) walker->inherited_ar &= walker->table[index]; paddr = safe_gpa_to_hpa(vcpu, walker->table[index] & PT_BASE_ADDR_MASK); kunmap_atomic(walker->table, KM_USER0); diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 283024ab3ba..68124c0bf63 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -166,11 +166,6 @@ static inline void write_dr7(unsigned long val) asm volatile ("mov %0, %%dr7" :: "r" (val)); } -static inline int svm_is_long_mode(struct kvm_vcpu *vcpu) -{ - return vcpu->svm->vmcb->save.efer & KVM_EFER_LMA; -} - static inline void force_new_asid(struct kvm_vcpu *vcpu) { vcpu->svm->asid_generation--; @@ -1609,7 +1604,6 @@ static struct kvm_arch_ops svm_arch_ops = { .get_segment_base = svm_get_segment_base, .get_segment = svm_get_segment, .set_segment = svm_set_segment, - .is_long_mode = svm_is_long_mode, .get_cs_db_l_bits = svm_get_cs_db_l_bits, .set_cr0 = svm_set_cr0, .set_cr0_no_modeswitch = svm_set_cr0, diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 983a15b1977..603a4135de4 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -900,11 +900,6 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu, vmcs_write32(sf->ar_bytes, ar); } -static int vmx_is_long_mode(struct kvm_vcpu *vcpu) -{ - return vmcs_read32(VM_ENTRY_CONTROLS) & VM_ENTRY_CONTROLS_IA32E_MASK; -} - static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) { u32 ar = vmcs_read32(GUEST_CS_AR_BYTES); @@ -1975,7 +1970,6 @@ static struct kvm_arch_ops vmx_arch_ops = { .get_segment_base = vmx_get_segment_base, .get_segment = vmx_get_segment, .set_segment = vmx_set_segment, - .is_long_mode = vmx_is_long_mode, .get_cs_db_l_bits = vmx_get_cs_db_l_bits, .set_cr0 = vmx_set_cr0, .set_cr0_no_modeswitch = vmx_set_cr0_no_modeswitch, |