Remove unused prepare_to_switch() macros.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Cc: Mikael Starvik <starvik@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
*/
extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int);
-#define prepare_to_switch() do { } while(0)
#define switch_to(prev,next,last) last = resume(prev,next, \
(int)&((struct task_struct *)0)->thread)
struct thread_struct;
-#define prepare_to_switch() do { } while(0)
-
/*
* switch_to(prev, next) should switch from task `prev' to `next'
* `prev' will never be the same as `next'.
#include <linux/config.h> /* get configuration macros */
#include <linux/linkage.h>
-#define prepare_to_switch() do { } while(0)
-
/*
* switch_to(n) should switch tasks to task ptr, first checking that
* ptr isn't the current task, in which case it does nothing. This
* `next' and `prev' should be struct task_struct, but it isn't always defined
*/
-#ifndef CONFIG_SMP
-#define prepare_to_switch() do { } while(0)
-#endif /* not CONFIG_SMP */
-
#define switch_to(prev, next, last) do { \
register unsigned long arg0 __asm__ ("r0") = (unsigned long)prev; \
register unsigned long arg1 __asm__ ("r1") = (unsigned long)next; \
#include <asm/ptrace.h>
-#define prepare_to_switch() do { } while (0)
-
/*
* switch_to(n) should switch tasks to task ptr, first checking that
* ptr isn't the current task, in which case it does nothing.
#endif /* __ASSEMBLY__ */
-#define prepare_to_switch() do { } while(0)
-
#define switch_to(prev,next,last) \
do { \
clear_cpenable(); \