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csky: Correct position of _stext

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Correct position of _stext to prevent check_kernel_text_object
warning [1].

[1] https://lore.kernel.org/linux-csky/YfLpNkmlvoR8iPcq@ls3530/

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
This commit is contained in:
Guo Ren 2022-07-05 14:00:15 +08:00
parent 49a1a3cf73
commit f54af50d7b
3 changed files with 14 additions and 3 deletions
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10
arch/csky/include/asm/sections.h Normal file
View file

@ -0,0 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SECTIONS_H
#define __ASM_SECTIONS_H
#include <asm-generic/sections.h>
extern char _start[];
#endif /* __ASM_SECTIONS_H */

4
arch/csky/kernel/setup.c
View file

@ -31,7 +31,7 @@ static void __init csky_memblock_init(void)
unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
signed long size;
memblock_reserve(__pa(_stext), _end - _stext);
memblock_reserve(__pa(_start), _end - _start);
early_init_fdt_reserve_self();
early_init_fdt_scan_reserved_mem();
@ -78,7 +78,7 @@ void __init setup_arch(char **cmdline_p)
pr_info("Phys. mem: %ldMB\n",
(unsigned long) memblock_phys_mem_size()/1024/1024);
setup_initial_init_mm(_stext, _etext, _edata, _end);
setup_initial_init_mm(_start, _etext, _edata, _end);
parse_early_param();

3
arch/csky/kernel/vmlinux.lds.S
View file

@ -22,7 +22,7 @@ SECTIONS
{
. = PAGE_OFFSET + PHYS_OFFSET_OFFSET;
_stext = .;
_start = .;
__init_begin = .;
HEAD_TEXT_SECTION
INIT_TEXT_SECTION(PAGE_SIZE)
@ -33,6 +33,7 @@ SECTIONS
.text : AT(ADDR(.text) - LOAD_OFFSET) {
_text = .;
_stext = .;
VBR_BASE
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT