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Date: Thu, 17 Mar 2022 21:59:35 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 1458/2308]
arch/mips/boot/compressed/decompress.c:127:16: error: implicit declaration
of function 'ALIGN'
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: ef90a8d1de7ff54bfd0fcfe6371c20f544b14d6d
commit: 9b6346a2912e347c5bc76e9a5f0cdd804b65b381 [1458/2308] headers/deps: Optimize <linux/kernel.h>
config: mips-qi_lb60_defconfig (https://download.01.org/0day-ci/archive/20220317/202203172105.tknyOIoD-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=9b6346a2912e347c5bc76e9a5f0cdd804b65b381
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout 9b6346a2912e347c5bc76e9a5f0cdd804b65b381
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arch/mips/boot/compressed/decompress.c:42:6: warning: no previous prototype for function 'error' [-Wmissing-prototypes]
void error(char *x)
^
arch/mips/boot/compressed/decompress.c:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void error(char *x)
^
static
arch/mips/boot/compressed/decompress.c:85:6: warning: no previous prototype for function '__stack_chk_fail' [-Wmissing-prototypes]
void __stack_chk_fail(void)
^
arch/mips/boot/compressed/decompress.c:85:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __stack_chk_fail(void)
^
static
>> arch/mips/boot/compressed/decompress.c:127:16: error: implicit declaration of function 'ALIGN' [-Werror,-Wimplicit-function-declaration]
image_size = ALIGN(image_size, STRUCT_ALIGNMENT);
^
arch/mips/boot/compressed/decompress.c:90:6: warning: no previous prototype for function 'decompress_kernel' [-Wmissing-prototypes]
void decompress_kernel(unsigned long boot_heap_start)
^
arch/mips/boot/compressed/decompress.c:90:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void decompress_kernel(unsigned long boot_heap_start)
^
static
3 warnings and 1 error generated.
vim +/ALIGN +127 arch/mips/boot/compressed/decompress.c
3b628cac65fa57 Ben Chan 2014-06-24 84
3b628cac65fa57 Ben Chan 2014-06-24 @85 void __stack_chk_fail(void)
3b628cac65fa57 Ben Chan 2014-06-24 86 {
3b628cac65fa57 Ben Chan 2014-06-24 87 error("stack-protector: Kernel stack is corrupted\n");
3b628cac65fa57 Ben Chan 2014-06-24 88 }
3b628cac65fa57 Ben Chan 2014-06-24 89
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 90 void decompress_kernel(unsigned long boot_heap_start)
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 91 {
1e1a77d6984a00 Wu Zhangjin 2010-06-16 92 unsigned long zimage_start, zimage_size;
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 93
1e1a77d6984a00 Wu Zhangjin 2010-06-16 94 zimage_start = (unsigned long)(&__image_begin);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 95 zimage_size = (unsigned long)(&__image_end) -
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 96 (unsigned long)(&__image_begin);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 97
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 98 puts("zimage at: ");
1e1a77d6984a00 Wu Zhangjin 2010-06-16 99 puthex(zimage_start);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 100 puts(" ");
1e1a77d6984a00 Wu Zhangjin 2010-06-16 101 puthex(zimage_size + zimage_start);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 102 puts("\n");
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 103
1e1a77d6984a00 Wu Zhangjin 2010-06-16 104 /* This area are prepared for mallocing when decompressing */
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 105 free_mem_ptr = boot_heap_start;
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 106 free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE;
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 107
1e1a77d6984a00 Wu Zhangjin 2010-06-16 108 /* Display standard Linux/MIPS boot prompt */
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 109 puts("Uncompressing Linux at load address ");
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 110 puthex(VMLINUX_LOAD_ADDRESS_ULL);
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 111 puts("\n");
1e1a77d6984a00 Wu Zhangjin 2010-06-16 112
1b93b3c3e94be2 Wu Zhangjin 2009-10-14 113 /* Decompress the kernel with according algorithm */
2d3862d26e67a5 Yinghai Lu 2015-09-09 114 __decompress((char *)zimage_start, zimage_size, 0, 0,
2d3862d26e67a5 Yinghai Lu 2015-09-09 115 (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, 0, error);
1e1a77d6984a00 Wu Zhangjin 2010-06-16 116
b8f54f2cde7886 Jonas Gorski 2016-06-20 117 if (IS_ENABLED(CONFIG_MIPS_RAW_APPENDED_DTB) &&
b8f54f2cde7886 Jonas Gorski 2016-06-20 118 fdt_magic((void *)&__appended_dtb) == FDT_MAGIC) {
b8f54f2cde7886 Jonas Gorski 2016-06-20 119 unsigned int image_size, dtb_size;
b8f54f2cde7886 Jonas Gorski 2016-06-20 120
b8f54f2cde7886 Jonas Gorski 2016-06-20 121 dtb_size = fdt_totalsize((void *)&__appended_dtb);
b8f54f2cde7886 Jonas Gorski 2016-06-20 122
b8f54f2cde7886 Jonas Gorski 2016-06-20 123 /* last four bytes is always image size in little endian */
4d4f9c1a17a348 Paul Cercueil 2020-12-16 124 image_size = get_unaligned_le32((void *)&__image_end - 4);
b8f54f2cde7886 Jonas Gorski 2016-06-20 125
7a05293af39fc7 Paul Cercueil 2021-03-03 126 /* The device tree's address must be properly aligned */
7a05293af39fc7 Paul Cercueil 2021-03-03 @127 image_size = ALIGN(image_size, STRUCT_ALIGNMENT);
:::::: The code at line 127 was first introduced by commit
:::::: 7a05293af39fc716d0f51c0164cbb727302396a2 MIPS: boot/compressed: Copy DTB to aligned address
:::::: TO: Paul Cercueil <paul@...pouillou.net>
:::::: CC: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
---
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