| /linux-6.3-rc2/arch/x86/um/ |
| A D | ldt.c | 60 uml_ldt_t *ldt = ¤t->mm->context.arch.ldt; in read_ldt() local
62 if (!ldt->entry_count) in read_ldt()
68 mutex_lock(&ldt->lock); in read_ldt()
125 uml_ldt_t *ldt = ¤t->mm->context.arch.ldt; in write_ldt() local
149 mutex_lock(&ldt->lock); in write_ldt()
175 memcpy(ldt->u.pages[0]+1, ldt->u.entries+1, in write_ldt()
255 if (ldt == NULL) { in ldt_get_host_info()
273 if (ldt[i].a != 0 || ldt[i].b != 0) in ldt_get_host_info()
291 if (ldt[i].a != 0 || ldt[i].b != 0) in ldt_get_host_info()
339 memcpy(new_mm->arch.ldt.u.entries, from_mm->arch.ldt.u.entries, in init_new_ldt()
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| A D | Makefile | 12 obj-y = bugs_$(BITS).o delay.o fault.o ldt.o \
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| /linux-6.3-rc2/arch/x86/kernel/ |
| A D | ldt.c | 47 ldt = READ_ONCE(mm->context.ldt); in load_mm_ldt()
63 if (unlikely(ldt)) { in load_mm_ldt()
81 set_ldt(ldt_slot_va(ldt->slot), ldt->nr_entries); in load_mm_ldt()
83 set_ldt(ldt->entries, ldt->nr_entries); in load_mm_ldt()
354 if (!ldt) in unmap_ldt_struct()
416 paravirt_alloc_ldt(ldt->entries, ldt->nr_entries); in finalize_ldt_struct()
424 smp_store_release(&mm->context.ldt, ldt); in install_ldt()
437 paravirt_free_ldt(ldt->entries, ldt->nr_entries); in free_ldt_struct()
442 kfree(ldt); in free_ldt_struct()
605 memset(&ldt, 0, sizeof(ldt)); in write_ldt()
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| A D | step.c | 37 if (unlikely(!child->mm->context.ldt || in convert_ip_to_linear()
38 seg >= child->mm->context.ldt->nr_entries)) in convert_ip_to_linear()
41 desc = &child->mm->context.ldt->entries[seg]; in convert_ip_to_linear()
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| A D | process_64.c | 408 struct ldt_struct *ldt; in x86_fsgsbase_read_task() local
416 ldt = task->mm->context.ldt; in x86_fsgsbase_read_task()
417 if (unlikely(!ldt || idx >= ldt->nr_entries)) in x86_fsgsbase_read_task()
420 base = get_desc_base(ldt->entries + idx); in x86_fsgsbase_read_task()
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| A D | doublefault_32.c | 90 .ldt = 0,
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| A D | umip.c | 259 if (current->mm->context.ldt) in emulate_umip_insn()
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| A D | Makefile | 50 obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o
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| /linux-6.3-rc2/arch/x86/include/asm/ |
| A D | desc.h | 114 #define load_ldt(ldt) asm volatile("lldt %0"::"m" (ldt)) argument
126 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_alloc_ldt() argument
130 static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_free_ldt() argument
135 #define store_ldt(ldt) asm("sldt %0" : "=m"(ldt)) argument
142 static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc) in native_write_ldt_entry() argument
144 memcpy(&ldt[entry], desc, 8); in native_write_ldt_entry()
198 ldt_desc ldt; in native_set_ldt() local
200 set_tssldt_descriptor(&ldt, (unsigned long)addr, DESC_LDT, in native_set_ldt()
203 &ldt, DESC_LDT); in native_set_ldt()
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| A D | suspend_32.h | 25 u16 ldt; member
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| A D | mmu.h | 38 struct ldt_struct *ldt; member
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| A D | suspend_64.h | 49 u16 ldt; member
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| A D | paravirt.h | 266 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_alloc_ldt() argument
268 PVOP_VCALL2(cpu.alloc_ldt, ldt, entries); in paravirt_alloc_ldt()
271 static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_free_ldt() argument
273 PVOP_VCALL2(cpu.free_ldt, ldt, entries); in paravirt_free_ldt()
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| A D | paravirt_types.h | 88 void (*write_ldt_entry)(struct desc_struct *ldt, int entrynum,
94 void (*alloc_ldt)(struct desc_struct *ldt, unsigned entries);
95 void (*free_ldt)(struct desc_struct *ldt, unsigned entries);
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| A D | mmu_context.h | 64 mm->context.ldt = NULL; in init_new_context_ldt()
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| A D | processor.h | 264 unsigned short ldt, __ldth; member
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| /linux-6.3-rc2/tools/testing/selftests/x86/ |
| A D | ldt_gdt.c | 66 uint32_t selector = (index << 3) | (ldt << 2) | 3; in check_invalid_segment()
83 (ldt ? "LDT" : "GDT"), index); in check_invalid_segment()
87 (ldt ? "LDT" : "GDT"), index); in check_invalid_segment()
91 static void check_valid_segment(uint16_t index, int ldt, in check_valid_segment() argument
96 uint32_t selector = (index << 3) | (ldt << 2) | 3; in check_valid_segment()
113 (ldt ? "LDT" : "GDT"), index); in check_valid_segment()
135 (ldt ? "LDT" : "GDT"), index, ar, limit); in check_valid_segment()
140 bool oldmode, bool ldt) in install_valid_mode() argument
145 if (!ldt) { in install_valid_mode()
177 ldt ? "modify_ldt" : "set_thread_area", in install_valid_mode()
[all …]
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| /linux-6.3-rc2/arch/x86/math-emu/ |
| A D | fpu_system.h | 31 if (current->mm->context.ldt && seg < current->mm->context.ldt->nr_entries) in FPU_get_ldt_descriptor()
32 ret = current->mm->context.ldt->entries[seg]; in FPU_get_ldt_descriptor()
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| /linux-6.3-rc2/arch/x86/lib/ |
| A D | insn-eval.c | 629 struct ldt_struct *ldt; in get_desc() local
635 ldt = current->active_mm->context.ldt; in get_desc()
636 if (ldt && sel < ldt->nr_entries) { in get_desc()
637 *out = ldt->entries[sel]; in get_desc()
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| /linux-6.3-rc2/arch/x86/um/asm/ |
| A D | mm_context.h | 69 uml_ldt_t ldt; member
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| /linux-6.3-rc2/arch/x86/kvm/ |
| A D | tss.h | 57 u16 ldt; member
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| /linux-6.3-rc2/arch/x86/include/uapi/asm/ |
| A D | kvm.h | 147 struct kvm_segment tr, ldt; member
158 struct kvm_segment tr, ldt; member
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| /linux-6.3-rc2/tools/arch/x86/include/uapi/asm/ |
| A D | kvm.h | 147 struct kvm_segment tr, ldt; member
158 struct kvm_segment tr, ldt; member
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| /linux-6.3-rc2/arch/x86/xen/ |
| A D | enlighten_pv.c | 378 static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) in xen_alloc_ldt() argument
395 set_aliased_prot(ldt + i, PAGE_KERNEL_RO); in xen_alloc_ldt()
398 static void xen_free_ldt(struct desc_struct *ldt, unsigned entries) in xen_free_ldt() argument
404 set_aliased_prot(ldt + i, PAGE_KERNEL); in xen_free_ldt()
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| /linux-6.3-rc2/arch/x86/events/ |
| A D | core.c | 2799 struct ldt_struct *ldt; in get_segment_base() local
2802 ldt = READ_ONCE(current->active_mm->context.ldt); in get_segment_base()
2803 if (!ldt || idx >= ldt->nr_entries) in get_segment_base()
2806 desc = &ldt->entries[idx]; in get_segment_base()
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