202 	kprobe_opcode_t *op_callback_addr, *emulate_step_addr, *buff;  in arch_prepare_optimized_kprobe()  local
214 	buff = get_ppc_optinsn_slot();  in arch_prepare_optimized_kprobe()
215 	if (!buff)  in arch_prepare_optimized_kprobe()
227 	b_offset = (unsigned long)buff - (unsigned long)p->addr;  in arch_prepare_optimized_kprobe()
232 	b_offset = (unsigned long)(buff + TMPL_RET_IDX) -  in arch_prepare_optimized_kprobe()
240 	pr_devel("Copying template to %p, size %lu\n", buff, size);  in arch_prepare_optimized_kprobe()
242 		rc = patch_instruction((struct ppc_inst *)(buff + i),  in arch_prepare_optimized_kprobe()
252 	patch_imm64_load_insns((unsigned long)op, 3, buff + TMPL_OP_IDX);  in arch_prepare_optimized_kprobe()
265 			   (struct ppc_inst *)(buff + TMPL_CALL_HDLR_IDX),  in arch_prepare_optimized_kprobe()
270 			    (struct ppc_inst *)(buff + TMPL_EMULATE_IDX),  in arch_prepare_optimized_kprobe()
277 	patch_instruction((struct ppc_inst *)(buff + TMPL_CALL_HDLR_IDX),  in arch_prepare_optimized_kprobe()
279 	patch_instruction((struct ppc_inst *)(buff + TMPL_EMULATE_IDX),  in arch_prepare_optimized_kprobe()
286 	patch_imm64_load_insns(ppc_inst_as_u64(temp), 4, buff + TMPL_INSN_IDX);  in arch_prepare_optimized_kprobe()
291 	patch_branch((struct ppc_inst *)(buff + TMPL_RET_IDX), (unsigned long)nip, 0);  in arch_prepare_optimized_kprobe()
293 	flush_icache_range((unsigned long)buff,  in arch_prepare_optimized_kprobe()
294 			   (unsigned long)(&buff[TMPL_END_IDX]));  in arch_prepare_optimized_kprobe()
296 	op->optinsn.insn = buff;  in arch_prepare_optimized_kprobe()
301 	free_ppc_optinsn_slot(buff, 0);  in arch_prepare_optimized_kprobe()