ppc64: use copypage_64.S from powerpc/lib

since it is identical to copypage.S from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

arch/powerpc/lib/Makefile

@@ -5,12 +5,12 @@
 ifeq ($(CONFIG_PPC_MERGE),y)
 obj-y			:= strcase.o string.o
 obj-$(CONFIG_PPC32)	+= div64.o copy_32.o checksum_32.o
-obj-$(CONFIG_PPC64)	+= copypage_64.o copyuser_64.o memcpy_64.o \
+obj-$(CONFIG_PPC64)	+= copyuser_64.o memcpy_64.o \
 			   usercopy_64.o sstep.o mem_64.o
 ifeq ($(CONFIG_PPC64),y)
 obj-$(CONFIG_SMP)	+= locks.o
 endif
 endif
 
-obj-$(CONFIG_PPC64)	+= checksum_64.o
+obj-$(CONFIG_PPC64)	+= checksum_64.o copypage_64.o
 obj-$(CONFIG_PPC_ISERIES) += e2a.o

arch/ppc64/lib/Makefile

@@ -3,7 +3,7 @@
 #
 
 lib-y := string.o strcase.o
-lib-y += copypage.o memcpy.o copyuser.o usercopy.o
+lib-y += memcpy.o copyuser.o usercopy.o
 
 # Lock primitives are defined as no-ops in include/linux/spinlock.h
 # for non-SMP configs. Don't build the real versions.

arch/ppc64/lib/copypage.S

-/*
- * arch/ppc64/lib/copypage.S
- *
- * Copyright (C) 2002 Paul Mackerras, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <asm/processor.h>
-#include <asm/ppc_asm.h>
-
-_GLOBAL(copy_page)
-	std	r31,-8(1)
-	std	r30,-16(1)
-	std	r29,-24(1)
-	std	r28,-32(1)
-	std	r27,-40(1)
-	std	r26,-48(1)
-	std	r25,-56(1)
-	std	r24,-64(1)
-	std	r23,-72(1)
-	std	r22,-80(1)
-	std	r21,-88(1)
-	std	r20,-96(1)
-	li	r5,4096/32 - 1
-	addi	r3,r3,-8
-	li	r12,5
-0:	addi	r5,r5,-24
-	mtctr	r12
-	ld	r22,640(4)
-	ld	r21,512(4)
-	ld	r20,384(4)
-	ld	r11,256(4)
-	ld	r9,128(4)
-	ld	r7,0(4)
-	ld	r25,648(4)
-	ld	r24,520(4)
-	ld	r23,392(4)
-	ld	r10,264(4)
-	ld	r8,136(4)
-	ldu	r6,8(4)
-	cmpwi	r5,24
-1:	std	r22,648(3)
-	std	r21,520(3)
-	std	r20,392(3)
-	std	r11,264(3)
-	std	r9,136(3)
-	std	r7,8(3)
-	ld	r28,648(4)
-	ld	r27,520(4)
-	ld	r26,392(4)
-	ld	r31,264(4)
-	ld	r30,136(4)
-	ld	r29,8(4)
-	std	r25,656(3)
-	std	r24,528(3)
-	std	r23,400(3)
-	std	r10,272(3)
-	std	r8,144(3)
-	std	r6,16(3)
-	ld	r22,656(4)
-	ld	r21,528(4)
-	ld	r20,400(4)
-	ld	r11,272(4)
-	ld	r9,144(4)
-	ld	r7,16(4)
-	std	r28,664(3)
-	std	r27,536(3)
-	std	r26,408(3)
-	std	r31,280(3)
-	std	r30,152(3)
-	stdu	r29,24(3)
-	ld	r25,664(4)
-	ld	r24,536(4)
-	ld	r23,408(4)
-	ld	r10,280(4)
-	ld	r8,152(4)
-	ldu	r6,24(4)
-	bdnz	1b
-	std	r22,648(3)
-	std	r21,520(3)
-	std	r20,392(3)
-	std	r11,264(3)
-	std	r9,136(3)
-	std	r7,8(3)
-	addi	r4,r4,640
-	addi	r3,r3,648
-	bge	0b
-	mtctr	r5
-	ld	r7,0(4)
-	ld	r8,8(4)
-	ldu	r9,16(4)
-3:	ld	r10,8(4)
-	std	r7,8(3)
-	ld	r7,16(4)
-	std	r8,16(3)
-	ld	r8,24(4)
-	std	r9,24(3)
-	ldu	r9,32(4)
-	stdu	r10,32(3)
-	bdnz	3b
-4:	ld	r10,8(4)
-	std	r7,8(3)
-	std	r8,16(3)
-	std	r9,24(3)
-	std	r10,32(3)
-9:	ld	r20,-96(1)
-	ld	r21,-88(1)
-	ld	r22,-80(1)
-	ld	r23,-72(1)
-	ld	r24,-64(1)
-	ld	r25,-56(1)
-	ld	r26,-48(1)
-	ld	r27,-40(1)
-	ld	r28,-32(1)
-	ld	r29,-24(1)
-	ld	r30,-16(1)
-	ld	r31,-8(1)
-	blr