From: guoren@kernel.org
To: guoren@kernel.org, arnd@arndb.de, deller@gmx.de
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-csky@vger.kernel.org, Guo Ren <guoren@linux.alibaba.com>
Subject: [PATCH] csky: Correct position of _stext
Date: Tue, 5 Jul 2022 02:58:37 -0400 [thread overview]
Message-ID: <20220705065837.1172754-1-guoren@kernel.org> (raw)
From: Guo Ren <guoren@linux.alibaba.com>
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>
---
arch/csky/include/asm/sections.h | 10 ++++++++++
arch/csky/kernel/setup.c | 4 ++--
arch/csky/kernel/vmlinux.lds.S | 3 ++-
3 files changed, 14 insertions(+), 3 deletions(-)
create mode 100644 arch/csky/include/asm/sections.h
diff --git a/arch/csky/include/asm/sections.h b/arch/csky/include/asm/sections.h
new file mode 100644
index 000000000000..4192cba8445d
--- /dev/null
+++ b/arch/csky/include/asm/sections.h
@@ -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 */
diff --git a/arch/csky/kernel/setup.c b/arch/csky/kernel/setup.c
index c64e7be2045b..106fbf0b6f3b 100644
--- a/arch/csky/kernel/setup.c
+++ b/arch/csky/kernel/setup.c
@@ -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();
diff --git a/arch/csky/kernel/vmlinux.lds.S b/arch/csky/kernel/vmlinux.lds.S
index e8b1a4a49798..163a8cd8b9a6 100644
--- a/arch/csky/kernel/vmlinux.lds.S
+++ b/arch/csky/kernel/vmlinux.lds.S
@@ -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
--
2.36.1
reply other threads:[~2022-07-05 6:58 UTC|newest]
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