Commit bad7af55 authored by Hirokazu Takata's avatar Hirokazu Takata Committed by Linus Torvalds

[PATCH] Remove unused prepare_to_switch macro

Remove unused prepare_to_switch() macros.
Signed-off-by: default avatarHirokazu 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: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 04dfd0de
......@@ -8,7 +8,6 @@
*/
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)
......
......@@ -18,8 +18,6 @@
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'.
......
......@@ -4,8 +4,6 @@
#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
......
......@@ -22,10 +22,6 @@
* `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; \
......
......@@ -18,8 +18,6 @@
#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.
......
......@@ -111,8 +111,6 @@ extern void *_switch_to(void *last, void *next);
#endif /* __ASSEMBLY__ */
#define prepare_to_switch() do { } while(0)
#define switch_to(prev,next,last) \
do { \
clear_cpenable(); \
......
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