37 extern void slb_allocate(unsigned long ea);
42 static inline unsigned long mk_esid_data(unsigned long ea, int ssize,  in mk_esid_data()  argument
45 	return (ea & slb_esid_mask(ssize)) | SLB_ESID_V | index;  in mk_esid_data()
48 static inline unsigned long mk_vsid_data(unsigned long ea, int ssize,  in mk_vsid_data()  argument
51 	return (get_kernel_vsid(ea, ssize) << slb_vsid_shift(ssize)) | flags |  in mk_vsid_data()
55 static inline void slb_shadow_update(unsigned long ea, int ssize,  in slb_shadow_update()  argument
67 	WRITE_ONCE(p->save_area[index].vsid, cpu_to_be64(mk_vsid_data(ea, ssize, flags)));  in slb_shadow_update()
68 	WRITE_ONCE(p->save_area[index].esid, cpu_to_be64(mk_esid_data(ea, ssize, index)));  in slb_shadow_update()
76 static inline void create_shadowed_slbe(unsigned long ea, int ssize,  in create_shadowed_slbe()  argument
85 	slb_shadow_update(ea, ssize, flags, index);  in create_shadowed_slbe()
88 		     : "r" (mk_vsid_data(ea, ssize, flags)),  in create_shadowed_slbe()
89 		       "r" (mk_esid_data(ea, ssize, index))  in create_shadowed_slbe()
384 static void insert_slb_entry(unsigned long vsid, unsigned long ea,  in insert_slb_entry()  argument
417 	esid_data = mk_esid_data(ea, ssize, index);  in insert_slb_entry()
448 static void handle_multi_context_slb_miss(int context_id, unsigned long ea)  in handle_multi_context_slb_miss()  argument
457 	vsid = get_vsid(context_id, ea, mmu_highuser_ssize);  in handle_multi_context_slb_miss()
458 	bpsize = get_slice_psize(mm, ea);  in handle_multi_context_slb_miss()
459 	insert_slb_entry(vsid, ea, bpsize, mmu_highuser_ssize);  in handle_multi_context_slb_miss()
465 	unsigned long ea = regs->dar;  in slb_miss_large_addr()  local
468 	if (REGION_ID(ea) != USER_REGION_ID)  in slb_miss_large_addr()
474 	if ((ea & ~REGION_MASK) >= H_PGTABLE_RANGE)  in slb_miss_large_addr()
478 	if (ea < (1UL << MAX_EA_BITS_PER_CONTEXT))  in slb_miss_large_addr()
485 	if (ea >= current->mm->context.slb_addr_limit)  in slb_miss_large_addr()
488 	context = get_ea_context(&current->mm->context, ea);  in slb_miss_large_addr()
492 	handle_multi_context_slb_miss(context, ea);  in slb_miss_large_addr()
498 		_exception(SIGSEGV, regs, SEGV_BNDERR, ea);  in slb_miss_large_addr()
500 		bad_page_fault(regs, ea, SIGSEGV);  in slb_miss_large_addr()