arch: remove compat_alloc_user_space

[linux-2.6-microblaze.git] / arch / arm64 / lib / copy_in_user.S

diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
deleted file mode 100644 (file)
index dbea379..0000000
--- a/arch/arm64/lib/copy_in_user.S
+++ /dev/null
@@ -1,77 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copy from user space to user space
- *
- * Copyright (C) 2012 ARM Ltd.
- */
-
-#include <linux/linkage.h>
-
-#include <asm/asm-uaccess.h>
-#include <asm/assembler.h>
-#include <asm/cache.h>
-
-/*
- * Copy from user space to user space (alignment handled by the hardware)
- *
- * Parameters:
- *     x0 - to
- *     x1 - from
- *     x2 - n
- * Returns:
- *     x0 - bytes not copied
- */
-       .macro ldrb1 reg, ptr, val
-       user_ldst 9998f, ldtrb, \reg, \ptr, \val
-       .endm
-
-       .macro strb1 reg, ptr, val
-       user_ldst 9998f, sttrb, \reg, \ptr, \val
-       .endm
-
-       .macro ldrh1 reg, ptr, val
-       user_ldst 9997f, ldtrh, \reg, \ptr, \val
-       .endm
-
-       .macro strh1 reg, ptr, val
-       user_ldst 9997f, sttrh, \reg, \ptr, \val
-       .endm
-
-       .macro ldr1 reg, ptr, val
-       user_ldst 9997f, ldtr, \reg, \ptr, \val
-       .endm
-
-       .macro str1 reg, ptr, val
-       user_ldst 9997f, sttr, \reg, \ptr, \val
-       .endm
-
-       .macro ldp1 reg1, reg2, ptr, val
-       user_ldp 9997f, \reg1, \reg2, \ptr, \val
-       .endm
-
-       .macro stp1 reg1, reg2, ptr, val
-       user_stp 9997f, \reg1, \reg2, \ptr, \val
-       .endm
-
-end    .req    x5
-srcin  .req    x15
-SYM_FUNC_START(__arch_copy_in_user)
-       add     end, x0, x2
-       mov     srcin, x1
-#include "copy_template.S"
-       mov     x0, #0
-       ret
-SYM_FUNC_END(__arch_copy_in_user)
-EXPORT_SYMBOL(__arch_copy_in_user)
-
-       .section .fixup,"ax"
-       .align  2
-9997:  cmp     dst, dstin
-       b.ne    9998f
-       // Before being absolutely sure we couldn't copy anything, try harder
-USER(9998f, ldtrb tmp1w, [srcin])
-USER(9998f, sttrb tmp1w, [dst])
-       add     dst, dst, #1
-9998:  sub     x0, end, dst                    // bytes not copied
-       ret
-       .previous