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

[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

include/asm-cris/system.h

+0 −1
Original line number Diff line number Diff line
@@ -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)

include/asm-frv/system.h

+0 −2
Original line number Diff line number Diff line
@@ -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'.

include/asm-h8300/system.h

+0 −2
Original line number Diff line number Diff line
@@ -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

include/asm-m32r/system.h

+0 −4
Original line number Diff line number Diff line
@@ -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; \

include/asm-v850/system.h

+0 −2
Original line number Diff line number Diff line
@@ -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.