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Searched refs:ldt (Results 1 – 25 of 31) sorted by relevance

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/linux/arch/x86/um/
A Dldt.c58 uml_ldt_t *ldt = &current->mm->context.arch.ldt; in read_ldt() local
60 if (!ldt->entry_count) in read_ldt()
66 mutex_lock(&ldt->lock); in read_ldt()
123 uml_ldt_t *ldt = &current->mm->context.arch.ldt; in write_ldt() local
147 mutex_lock(&ldt->lock); in write_ldt()
173 memcpy(ldt->u.pages[0]+1, ldt->u.entries+1, in write_ldt()
253 if (ldt == NULL) { in ldt_get_host_info()
271 if (ldt[i].a != 0 || ldt[i].b != 0) in ldt_get_host_info()
289 if (ldt[i].a != 0 || ldt[i].b != 0) in ldt_get_host_info()
337 memcpy(new_mm->arch.ldt.u.entries, from_mm->arch.ldt.u.entries, in init_new_ldt()
[all …]
A DMakefile12 obj-y = bugs_$(BITS).o delay.o fault.o ldt.o \
/linux/arch/x86/kernel/
A Dldt.c47 ldt = READ_ONCE(mm->context.ldt); in load_mm_ldt()
63 if (unlikely(ldt)) { in load_mm_ldt()
81 set_ldt(ldt_slot_va(ldt->slot), ldt->nr_entries); in load_mm_ldt()
83 set_ldt(ldt->entries, ldt->nr_entries); in load_mm_ldt()
354 if (!ldt) in unmap_ldt_struct()
416 paravirt_alloc_ldt(ldt->entries, ldt->nr_entries); in finalize_ldt_struct()
424 smp_store_release(&mm->context.ldt, ldt); in install_ldt()
437 paravirt_free_ldt(ldt->entries, ldt->nr_entries); in free_ldt_struct()
442 kfree(ldt); in free_ldt_struct()
605 memset(&ldt, 0, sizeof(ldt)); in write_ldt()
[all …]
A Dstep.c37 if (unlikely(!child->mm->context.ldt || in convert_ip_to_linear()
38 seg >= child->mm->context.ldt->nr_entries)) in convert_ip_to_linear()
41 desc = &child->mm->context.ldt->entries[seg]; in convert_ip_to_linear()
A Dprocess_64.c408 struct ldt_struct *ldt; in x86_fsgsbase_read_task() local
416 ldt = task->mm->context.ldt; in x86_fsgsbase_read_task()
417 if (unlikely(!ldt || idx >= ldt->nr_entries)) in x86_fsgsbase_read_task()
420 base = get_desc_base(ldt->entries + idx); in x86_fsgsbase_read_task()
A Ddoublefault_32.c90 .ldt = 0,
A Dumip.c259 if (current->mm->context.ldt) in emulate_umip_insn()
A DMakefile60 obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o
/linux/arch/alpha/kernel/
A Dentry.S707 ldt $f0, 64($sp)
708 ldt $f1, 72($sp)
709 ldt $f2, 80($sp)
710 ldt $f3, 88($sp)
712 ldt $f4, 96($sp)
713 ldt $f5, 104($sp)
714 ldt $f6, 112($sp)
715 ldt $f7, 120($sp)
716 ldt $f8, 128($sp)
717 ldt $f9, 136($sp)
[all …]
/linux/arch/x86/include/asm/
A Ddesc.h114 #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()
A Dsuspend_32.h26 u16 ldt; member
A Dparavirt.h264 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_alloc_ldt() argument
266 PVOP_VCALL2(cpu.alloc_ldt, ldt, entries); in paravirt_alloc_ldt()
269 static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) in paravirt_free_ldt() argument
271 PVOP_VCALL2(cpu.free_ldt, ldt, entries); in paravirt_free_ldt()
A Dmmu.h38 struct ldt_struct *ldt; member
A Dsuspend_64.h46 u16 ldt; member
A Dparavirt_types.h101 void (*write_ldt_entry)(struct desc_struct *ldt, int entrynum,
107 void (*alloc_ldt)(struct desc_struct *ldt, unsigned entries);
108 void (*free_ldt)(struct desc_struct *ldt, unsigned entries);
A Dmmu_context.h63 mm->context.ldt = NULL; in init_new_context_ldt()
/linux/tools/testing/selftests/x86/
A Dldt_gdt.c66 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 …]
/linux/arch/x86/math-emu/
A Dfpu_system.h31 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()
/linux/arch/x86/lib/
A Dinsn-eval.c607 struct ldt_struct *ldt; in get_desc() local
613 ldt = current->active_mm->context.ldt; in get_desc()
614 if (ldt && sel < ldt->nr_entries) { in get_desc()
615 *out = ldt->entries[sel]; in get_desc()
/linux/arch/x86/um/asm/
A Dmm_context.h69 uml_ldt_t ldt; member
/linux/arch/x86/kvm/
A Dtss.h57 u16 ldt; member
/linux/arch/x86/include/uapi/asm/
A Dkvm.h154 struct kvm_segment tr, ldt; member
165 struct kvm_segment tr, ldt; member
/linux/tools/arch/x86/include/uapi/asm/
A Dkvm.h154 struct kvm_segment tr, ldt; member
165 struct kvm_segment tr, ldt; member
/linux/arch/x86/xen/
A Denlighten_pv.c362 static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) in xen_alloc_ldt() argument
379 set_aliased_prot(ldt + i, PAGE_KERNEL_RO); in xen_alloc_ldt()
382 static void xen_free_ldt(struct desc_struct *ldt, unsigned entries) in xen_free_ldt() argument
388 set_aliased_prot(ldt + i, PAGE_KERNEL); in xen_free_ldt()
/linux/arch/x86/events/
A Dcore.c2807 struct ldt_struct *ldt; in get_segment_base() local
2810 ldt = READ_ONCE(current->active_mm->context.ldt); in get_segment_base()
2811 if (!ldt || idx >= ldt->nr_entries) in get_segment_base()
2814 desc = &ldt->entries[idx]; in get_segment_base()

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