158 	kprobe_opcode_t *buff;  in arch_prepare_optimized_kprobe()  local
168 	buff = get_optinsn_slot();  in arch_prepare_optimized_kprobe()
169 	if (!buff)  in arch_prepare_optimized_kprobe()
181 	b_offset = (unsigned long)buff - (unsigned long)p->addr;  in arch_prepare_optimized_kprobe()
186 	b_offset = (unsigned long)(buff + TMPL_RET_IDX) - nip;  in arch_prepare_optimized_kprobe()
193 	pr_devel("Copying template to %p, size %lu\n", buff, size);  in arch_prepare_optimized_kprobe()
195 		rc = patch_instruction(buff + i, ppc_inst(*(optprobe_template_entry + i)));  in arch_prepare_optimized_kprobe()
204 	patch_imm_load_insns((unsigned long)op, 3, buff + TMPL_OP_IDX);  in arch_prepare_optimized_kprobe()
216 	rc = create_branch(&branch_op_callback, buff + TMPL_CALL_HDLR_IDX,  in arch_prepare_optimized_kprobe()
219 	rc |= create_branch(&branch_emulate_step, buff + TMPL_EMULATE_IDX,  in arch_prepare_optimized_kprobe()
225 	patch_instruction(buff + TMPL_CALL_HDLR_IDX, branch_op_callback);  in arch_prepare_optimized_kprobe()
226 	patch_instruction(buff + TMPL_EMULATE_IDX, branch_emulate_step);  in arch_prepare_optimized_kprobe()
232 	patch_imm_load_insns(ppc_inst_as_ulong(temp), 4, buff + TMPL_INSN_IDX);  in arch_prepare_optimized_kprobe()
237 	patch_branch(buff + TMPL_RET_IDX, nip, 0);  in arch_prepare_optimized_kprobe()
239 	flush_icache_range((unsigned long)buff, (unsigned long)(&buff[TMPL_END_IDX]));  in arch_prepare_optimized_kprobe()
241 	op->optinsn.insn = buff;  in arch_prepare_optimized_kprobe()
246 	free_optinsn_slot(buff, 0);  in arch_prepare_optimized_kprobe()