78 void giveup_fpu_maybe_transactional(struct task_struct *tsk)  in giveup_fpu_maybe_transactional()  argument
86 	if (tsk == current && tsk->thread.regs &&  in giveup_fpu_maybe_transactional()
87 	    MSR_TM_ACTIVE(tsk->thread.regs->msr) &&  in giveup_fpu_maybe_transactional()
89 		tsk->thread.ckpt_regs.msr = tsk->thread.regs->msr;  in giveup_fpu_maybe_transactional()
93 	giveup_fpu(tsk);  in giveup_fpu_maybe_transactional()
96 void giveup_altivec_maybe_transactional(struct task_struct *tsk)  in giveup_altivec_maybe_transactional()  argument
104 	if (tsk == current && tsk->thread.regs &&  in giveup_altivec_maybe_transactional()
105 	    MSR_TM_ACTIVE(tsk->thread.regs->msr) &&  in giveup_altivec_maybe_transactional()
107 		tsk->thread.ckpt_regs.msr = tsk->thread.regs->msr;  in giveup_altivec_maybe_transactional()
111 	giveup_altivec(tsk);  in giveup_altivec_maybe_transactional()
115 #define giveup_fpu_maybe_transactional(tsk)	giveup_fpu(tsk)  argument
116 #define giveup_altivec_maybe_transactional(tsk)	giveup_altivec(tsk)  argument
124 void flush_fp_to_thread(struct task_struct *tsk)  in flush_fp_to_thread()  argument
126 	if (tsk->thread.regs) {  in flush_fp_to_thread()
136 		if (tsk->thread.regs->msr & MSR_FP) {  in flush_fp_to_thread()
145 			BUG_ON(tsk != current);  in flush_fp_to_thread()
147 			giveup_fpu_maybe_transactional(tsk);  in flush_fp_to_thread()
190 void flush_altivec_to_thread(struct task_struct *tsk)  in flush_altivec_to_thread()  argument
192 	if (tsk->thread.regs) {  in flush_altivec_to_thread()
194 		if (tsk->thread.regs->msr & MSR_VEC) {  in flush_altivec_to_thread()
196 			BUG_ON(tsk != current);  in flush_altivec_to_thread()
198 			giveup_altivec_maybe_transactional(tsk);  in flush_altivec_to_thread()
222 void giveup_vsx(struct task_struct *tsk)  in giveup_vsx()  argument
224 	giveup_fpu_maybe_transactional(tsk);  in giveup_vsx()
225 	giveup_altivec_maybe_transactional(tsk);  in giveup_vsx()
226 	__giveup_vsx(tsk);  in giveup_vsx()
230 void flush_vsx_to_thread(struct task_struct *tsk)  in flush_vsx_to_thread()  argument
232 	if (tsk->thread.regs) {  in flush_vsx_to_thread()
234 		if (tsk->thread.regs->msr & MSR_VSX) {  in flush_vsx_to_thread()
236 			BUG_ON(tsk != current);  in flush_vsx_to_thread()
238 			giveup_vsx(tsk);  in flush_vsx_to_thread()
263 void flush_spe_to_thread(struct task_struct *tsk)  in flush_spe_to_thread()  argument
265 	if (tsk->thread.regs) {  in flush_spe_to_thread()
267 		if (tsk->thread.regs->msr & MSR_SPE) {  in flush_spe_to_thread()
269 			BUG_ON(tsk != current);  in flush_spe_to_thread()
271 			tsk->thread.spefscr = mfspr(SPRN_SPEFSCR);  in flush_spe_to_thread()
272 			giveup_spe(tsk);  in flush_spe_to_thread()
589 static inline void tm_reclaim_task(struct task_struct *tsk)  in tm_reclaim_task()  argument
601 	struct thread_struct *thr = &tsk->thread;  in tm_reclaim_task()
614 	if (!test_ti_thread_flag(task_thread_info(tsk), TIF_RESTORE_TM))  in tm_reclaim_task()
619 		 tsk->pid, thr->regs->nip,  in tm_reclaim_task()
623 	tm_reclaim_thread(thr, task_thread_info(tsk), TM_CAUSE_RESCHED);  in tm_reclaim_task()
626 		 tsk->pid);  in tm_reclaim_task()
1340 int set_fpexc_mode(struct task_struct *tsk, unsigned int val)  in set_fpexc_mode()  argument
1342 	struct pt_regs *regs = tsk->thread.regs;  in set_fpexc_mode()
1363 			tsk->thread.spefscr_last = mfspr(SPRN_SPEFSCR);  in set_fpexc_mode()
1364 			tsk->thread.fpexc_mode = val &  in set_fpexc_mode()
1382 	tsk->thread.fpexc_mode = __pack_fe01(val);  in set_fpexc_mode()
1385 			| tsk->thread.fpexc_mode;  in set_fpexc_mode()
1389 int get_fpexc_mode(struct task_struct *tsk, unsigned long adr)  in get_fpexc_mode()  argument
1393 	if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE)  in get_fpexc_mode()
1408 			tsk->thread.spefscr_last = mfspr(SPRN_SPEFSCR);  in get_fpexc_mode()
1409 			val = tsk->thread.fpexc_mode;  in get_fpexc_mode()
1416 		val = __unpack_fe01(tsk->thread.fpexc_mode);  in get_fpexc_mode()
1420 int set_endian(struct task_struct *tsk, unsigned int val)  in set_endian()  argument
1422 	struct pt_regs *regs = tsk->thread.regs;  in set_endian()
1441 int get_endian(struct task_struct *tsk, unsigned long adr)  in get_endian()  argument
1443 	struct pt_regs *regs = tsk->thread.regs;  in get_endian()
1464 int set_unalign_ctl(struct task_struct *tsk, unsigned int val)  in set_unalign_ctl()  argument
1466 	tsk->thread.align_ctl = val;  in set_unalign_ctl()
1470 int get_unalign_ctl(struct task_struct *tsk, unsigned long adr)  in get_unalign_ctl()  argument
1472 	return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);  in get_unalign_ctl()
1540 void show_stack(struct task_struct *tsk, unsigned long *stack)  in show_stack()  argument
1552 	if (tsk == NULL)  in show_stack()
1553 		tsk = current;  in show_stack()
1555 		if (tsk == current)  in show_stack()
1558 			sp = tsk->thread.ksp;  in show_stack()
1564 		if (!validate_sp(sp, tsk, STACK_FRAME_OVERHEAD))  in show_stack()
1589 		if (validate_sp(sp, tsk, STACK_INT_FRAME_SIZE)  in show_stack()