1 files changed, 0 insertions, 88 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/copypage-v4wt.c b/ANDROID_3.4.5/arch/arm/mm/copypage-v4wt.c
deleted file mode 100644
index b85c5da2..00000000
--- a/ANDROID_3.4.5/arch/arm/mm/copypage-v4wt.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- *  linux/arch/arm/mm/copypage-v4wt.S
- *
- *  Copyright (C) 1995-1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  This is for CPUs with a writethrough cache and 'flush ID cache' is
- *  the only supported cache operation.
- */
-#include <linux/init.h>
-#include <linux/highmem.h>
-
-/*
- * ARMv4 optimised copy_user_highpage
- *
- * Since we have writethrough caches, we don't have to worry about
- * dirty data in the cache.  However, we do have to ensure that
- * subsequent reads are up to date.
- */
-static void __naked
-v4wt_copy_user_page(void *kto, const void *kfrom)
-{
-	asm("\
-	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %2				@ 1\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-1:	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	subs	r2, r2, #1			@ 1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmneia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache\n\
-	ldmfd	sp!, {r4, pc}			@ 3"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
-}
-
-void v4wt_copy_user_highpage(struct page *to, struct page *from,
-	unsigned long vaddr, struct vm_area_struct *vma)
-{
-	void *kto, *kfrom;
-
-	kto = kmap_atomic(to);
-	kfrom = kmap_atomic(from);
-	v4wt_copy_user_page(kto, kfrom);
-	kunmap_atomic(kfrom);
-	kunmap_atomic(kto);
-}
-
-/*
- * ARMv4 optimised clear_user_page
- *
- * Same story as above.
- */
-void v4wt_clear_user_highpage(struct page *page, unsigned long vaddr)
-{
-	void *ptr, *kaddr = kmap_atomic(page);
-	asm volatile("\
-	mov	r1, %2				@ 1\n\
-	mov	r2, #0				@ 1\n\
-	mov	r3, #0				@ 1\n\
-	mov	ip, #0				@ 1\n\
-	mov	lr, #0				@ 1\n\
-1:	stmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	stmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	stmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	stmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	subs	r1, r1, #1			@ 1\n\
-	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache"
-	: "=r" (ptr)
-	: "0" (kaddr), "I" (PAGE_SIZE / 64)
-	: "r1", "r2", "r3", "ip", "lr");
-	kunmap_atomic(kaddr);
-}
-
-struct cpu_user_fns v4wt_user_fns __initdata = {
-	.cpu_clear_user_highpage = v4wt_clear_user_highpage,
-	.cpu_copy_user_highpage	= v4wt_copy_user_highpage,
-};