34 extern void ia64_account_on_switch (struct task_struct *prev, struct task_struct *next);
51 #define __switch_to(prev,next,last) do {							 \  argument
52 	IA64_ACCOUNT_ON_SWITCH(prev, next);							 \
53 	if (IA64_HAS_EXTRA_STATE(prev))								 \
54 		ia64_save_extra(prev);								 \
68 # define switch_to(prev,next,last) do {						\  argument
69 	if (ia64_psr(task_pt_regs(prev))->mfh && ia64_is_local_fpu_owner(prev)) {				\
70 		ia64_psr(task_pt_regs(prev))->mfh = 0;			\
71 		(prev)->thread.flags |= IA64_THREAD_FPH_VALID;			\
72 		__ia64_save_fpu((prev)->thread.fph);				\
74 	__switch_to(prev, next, last);						\
84 # define switch_to(prev,next,last)	__switch_to(prev, next, last)  argument