51 static __always_inline bool branch_insn_requires_update(struct alt_instr *alt, unsigned long pc)  in branch_insn_requires_update()  argument
53 	unsigned long replptr = (unsigned long)ALT_REPL_PTR(alt);  in branch_insn_requires_update()
54 	return !(pc >= replptr && pc <= (replptr + alt->alt_len));  in branch_insn_requires_update()
59 static __always_inline u32 get_alt_insn(struct alt_instr *alt, __le32 *insnptr, __le32 *altinsnptr)  in get_alt_insn()  argument
76 		if (branch_insn_requires_update(alt, target)) {  in get_alt_insn()
104 static noinstr void patch_alternative(struct alt_instr *alt,  in patch_alternative()  argument
110 	replptr = ALT_REPL_PTR(alt);  in patch_alternative()
114 		insn = get_alt_insn(alt, origptr + i, replptr + i);  in patch_alternative()
146 	struct alt_instr *alt;  in __apply_alternatives()  local
150 	for (alt = region->begin; alt < region->end; alt++) {  in __apply_alternatives()
152 		int cap = ALT_CAP(alt);  in __apply_alternatives()
160 		if (ALT_HAS_CB(alt))  in __apply_alternatives()
161 			BUG_ON(alt->alt_len != 0);  in __apply_alternatives()
163 			BUG_ON(alt->alt_len != alt->orig_len);  in __apply_alternatives()
165 		origptr = ALT_ORIG_PTR(alt);  in __apply_alternatives()
167 		nr_inst = alt->orig_len / AARCH64_INSN_SIZE;  in __apply_alternatives()
169 		if (ALT_HAS_CB(alt))  in __apply_alternatives()
170 			alt_cb  = ALT_REPL_PTR(alt);  in __apply_alternatives()
174 		alt_cb(alt, origptr, updptr, nr_inst);  in __apply_alternatives()
203 	const struct elf64_shdr *alt;  in apply_alternatives_vdso()  local
210 	alt = find_section(hdr, shdr, ".altinstructions");  in apply_alternatives_vdso()
211 	if (!alt)  in apply_alternatives_vdso()
215 		.begin	= (void *)hdr + alt->sh_offset,  in apply_alternatives_vdso()
216 		.end	= (void *)hdr + alt->sh_offset + alt->sh_size,  in apply_alternatives_vdso()
294 noinstr void alt_cb_patch_nops(struct alt_instr *alt, __le32 *origptr,  in alt_cb_patch_nops()  argument