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Diffstat (limited to 'arch/arm/mm/tlb-v7.S')
-rw-r--r--arch/arm/mm/tlb-v7.S35
1 files changed, 15 insertions, 20 deletions
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index ea94765acf9a..f1aa0764a2cc 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -1,24 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/mm/tlb-v7.S
*
* Copyright (C) 1997-2002 Russell King
* Modified for ARMv7 by Catalin Marinas
*
- * 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.
- *
* ARM architecture version 6 TLB handling functions.
* These assume a split I/D TLB.
*/
#include <linux/init.h>
#include <linux/linkage.h>
+#include <linux/cfi_types.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
+.arch armv7-a
+
/*
* v7wbi_flush_user_tlb_range(start, end, vma)
*
@@ -26,16 +26,16 @@
*
* - start - start address (may not be aligned)
* - end - end address (exclusive, may not be aligned)
- * - vma - vma_struct describing address range
+ * - vma - vm_area_struct describing address range
*
* It is assumed that:
* - the "Invalidate single entry" instruction will invalidate
* both the I and the D TLBs on Harvard-style TLBs
*/
-ENTRY(v7wbi_flush_user_tlb_range)
+SYM_TYPED_FUNC_START(v7wbi_flush_user_tlb_range)
vma_vm_mm r3, r2 @ get vma->vm_mm
mmid r3, r3 @ get vm_mm->context.id
- dsb
+ dsb ish
mov r0, r0, lsr #PAGE_SHIFT @ align address
mov r1, r1, lsr #PAGE_SHIFT
asid r3, r3 @ mask ASID
@@ -56,9 +56,9 @@ ENTRY(v7wbi_flush_user_tlb_range)
add r0, r0, #PAGE_SZ
cmp r0, r1
blo 1b
- dsb
- mov pc, lr
-ENDPROC(v7wbi_flush_user_tlb_range)
+ dsb ish
+ ret lr
+SYM_FUNC_END(v7wbi_flush_user_tlb_range)
/*
* v7wbi_flush_kern_tlb_range(start,end)
@@ -68,8 +68,8 @@ ENDPROC(v7wbi_flush_user_tlb_range)
* - start - start address (may not be aligned)
* - end - end address (exclusive, may not be aligned)
*/
-ENTRY(v7wbi_flush_kern_tlb_range)
- dsb
+SYM_TYPED_FUNC_START(v7wbi_flush_kern_tlb_range)
+ dsb ish
mov r0, r0, lsr #PAGE_SHIFT @ align address
mov r1, r1, lsr #PAGE_SHIFT
mov r0, r0, lsl #PAGE_SHIFT
@@ -84,12 +84,7 @@ ENTRY(v7wbi_flush_kern_tlb_range)
add r0, r0, #PAGE_SZ
cmp r0, r1
blo 1b
- dsb
+ dsb ish
isb
- mov pc, lr
-ENDPROC(v7wbi_flush_kern_tlb_range)
-
- __INIT
-
- /* define struct cpu_tlb_fns (see <asm/tlbflush.h> and proc-macros.S) */
- define_tlb_functions v7wbi, v7wbi_tlb_flags_up, flags_smp=v7wbi_tlb_flags_smp
+ ret lr
+SYM_FUNC_END(v7wbi_flush_kern_tlb_range)