diff options
Diffstat (limited to 'arch/arm/lib/copy_to_user.S')
| -rw-r--r-- | arch/arm/lib/copy_to_user.S | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S index 97a6ff4b7e3c..fac49e57cc0b 100644 --- a/arch/arm/lib/copy_to_user.S +++ b/arch/arm/lib/copy_to_user.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/arm/lib/copy_to_user.S * * Author: Nicolas Pitre * Created: Sep 29, 2005 * Copyright: MontaVista Software, Inc. - * - * 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. */ #include <linux/linkage.h> @@ -49,7 +46,7 @@ .endm .macro ldr1b ptr reg cond=al abort - ldr\cond\()b \reg, [\ptr], #1 + ldrb\cond \reg, [\ptr], #1 .endm #ifdef CONFIG_CPU_USE_DOMAINS @@ -93,18 +90,15 @@ strusr \reg, \ptr, 1, \cond, abort=\abort .endm - .macro enter reg1 reg2 + .macro enter regs:vararg mov r3, #0 - stmdb sp!, {r0, r2, r3, \reg1, \reg2} - .endm - - .macro usave reg1 reg2 - UNWIND( .save {r0, r2, r3, \reg1, \reg2} ) +UNWIND( .save {r0, r2, r3, \regs} ) + stmdb sp!, {r0, r2, r3, \regs} .endm - .macro exit reg1 reg2 + .macro exit regs:vararg add sp, sp, #8 - ldmfd sp!, {r0, \reg1, \reg2} + ldmfd sp!, {r0, \regs} .endm .text @@ -112,8 +106,7 @@ ENTRY(__copy_to_user_std) WEAK(arm_copy_to_user) #ifdef CONFIG_CPU_SPECTRE - get_thread_info r3 - ldr r3, [r3, #TI_ADDR_LIMIT] + ldr r3, =TASK_SIZE uaccess_mask_range_ptr r0, r2, r3, ip #endif |