86 	if (tsk == current && tsk->thread.regs &&  in giveup_fpu_maybe_transactional()
104 	if (tsk == current && tsk->thread.regs &&  in giveup_altivec_maybe_transactional()
145 			BUG_ON(tsk != current);  in flush_fp_to_thread()
160 	if (current->thread.regs && (current->thread.regs->msr & MSR_FP))  in enable_kernel_fp()
161 		giveup_fpu_maybe_transactional(current);  in enable_kernel_fp()
176 	if (current->thread.regs && (current->thread.regs->msr & MSR_VEC))  in enable_kernel_altivec()
177 		giveup_altivec_maybe_transactional(current);  in enable_kernel_altivec()
196 			BUG_ON(tsk != current);  in flush_altivec_to_thread()
212 	if (current->thread.regs && (current->thread.regs->msr & MSR_VSX))  in enable_kernel_vsx()
213 		giveup_vsx(current);  in enable_kernel_vsx()
236 			BUG_ON(tsk != current);  in flush_vsx_to_thread()
253 	if (current->thread.regs && (current->thread.regs->msr & MSR_SPE))  in enable_kernel_spe()
254 		giveup_spe(current);  in enable_kernel_spe()
269 			BUG_ON(tsk != current);  in flush_spe_to_thread()
287 	if (last_task_used_math == current)  in discard_lazy_cpu_state()
290 	if (last_task_used_altivec == current)  in discard_lazy_cpu_state()
294 	if (last_task_used_vsx == current)  in discard_lazy_cpu_state()
298 	if (last_task_used_spe == current)  in discard_lazy_cpu_state()
311 	current->thread.trap_nr = signal_code;  in do_send_trap()
321 	force_sig_info(SIGTRAP, &info, current);  in do_send_trap()
329 	current->thread.trap_nr = TRAP_HWBKPT;  in do_break()
345 	force_sig_info(SIGTRAP, &info, current);  in do_break()
416 	if ((current->thread.debug.dbcr0 & DBCR0_IDM)  in switch_booke_debug_regs()
586 	tm_reclaim_thread(&current->thread, current_thread_info(), cause);  in tm_reclaim_current()
744 	msr_diff = current->thread.ckpt_regs.msr & ~regs->msr;  in restore_tm_state()
748 		load_fp_state(&current->thread.fp_state);  in restore_tm_state()
749 		regs->msr |= current->thread.fpexc_mode;  in restore_tm_state()
753 		load_vr_state(&current->thread.vr_state);  in restore_tm_state()
867 	old_thread = &current->thread;  in __switch_to()
1057 	show_stack(current, (unsigned long *) regs->gpr[1]);  in show_regs()
1072 	flush_ptrace_hw_breakpoint(current);  in flush_thread()
1074 	set_debug_reg_defaults(&current->thread);  in flush_thread()
1214 		p->thread.dscr_inherit = current->thread.dscr_inherit;  in copy_thread()
1215 		p->thread.dscr = current->thread.dscr;  in copy_thread()
1237 	if (!current->thread.regs) {  in start_thread()
1238 		struct pt_regs *regs = task_stack_page(current) + THREAD_SIZE;  in start_thread()
1239 		current->thread.regs = regs - 1;  in start_thread()
1310 	current->thread.used_vsr = 0;  in start_thread()
1312 	memset(&current->thread.fp_state, 0, sizeof(current->thread.fp_state));  in start_thread()
1313 	current->thread.fp_save_area = NULL;  in start_thread()
1315 	memset(&current->thread.vr_state, 0, sizeof(current->thread.vr_state));  in start_thread()
1316 	current->thread.vr_state.vscr.u[3] = 0x00010000; /* Java mode disabled */  in start_thread()
1317 	current->thread.vr_save_area = NULL;  in start_thread()
1318 	current->thread.vrsave = 0;  in start_thread()
1319 	current->thread.used_vr = 0;  in start_thread()
1322 	memset(current->thread.evr, 0, sizeof(current->thread.evr));  in start_thread()
1323 	current->thread.acc = 0;  in start_thread()
1324 	current->thread.spefscr = 0;  in start_thread()
1325 	current->thread.used_spe = 0;  in start_thread()
1330 	current->thread.tm_tfhar = 0;  in start_thread()
1331 	current->thread.tm_texasr = 0;  in start_thread()
1332 	current->thread.tm_tfiar = 0;  in start_thread()
1518 	if (!p || p == current || p->state == TASK_RUNNING)  in get_wchan()
1546 	int curr_frame = current->curr_ret_stack;  in show_stack()
1553 		tsk = current;  in show_stack()
1555 		if (tsk == current)  in show_stack()
1575 				       (void *)current->ret_stack[curr_frame].ret);  in show_stack()
1633 	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)  in arch_align_stack()