4:29 a.m.
tree: https://android.googlesource.com/kernel/common android13-5.10
head: 663bbfa2a48a042ef172114830ccf6ad1a16677c
commit: bdc7abb880337dc68bd400d3a69df9d61275e402 [7/51] UPSTREAM: arm64: kexec: move
relocation function setup
config: arm64-randconfig-r003-20210713 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
8d69635ed9ecf36fd0ca85906bfde17949671cbe)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android13-5.10
git checkout bdc7abb880337dc68bd400d3a69df9d61275e402
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> arch/arm64/kernel/machine_kexec.c:62:5: warning: no previous
prototype for function 'machine_kexec_post_load' [-Wmissing-prototypes]
int machine_kexec_post_load(struct kimage *kimage)
^
arch/arm64/kernel/machine_kexec.c:62:1: note: declare 'static' if the function
is not intended to be used outside of this translation unit
int machine_kexec_post_load(struct kimage *kimage)
^
static
arch/arm64/kernel/machine_kexec.c:238:6: warning: no previous prototype for function
'machine_crash_shutdown' [-Wmissing-prototypes]
void machine_crash_shutdown(struct pt_regs *regs)
^
arch/arm64/kernel/machine_kexec.c:238:1: note: declare 'static' if the function
is not intended to be used outside of this translation unit
void machine_crash_shutdown(struct pt_regs *regs)
^
static
2 warnings generated.
vim +/machine_kexec_post_load +62 arch/arm64/kernel/machine_kexec.c
61
62 int machine_kexec_post_load(struct kimage *kimage)
63 {
64 void *reloc_code = page_to_virt(kimage->control_code_page);
65
66 memcpy(reloc_code, arm64_relocate_new_kernel,
67 arm64_relocate_new_kernel_size);
68 kimage->arch.kern_reloc = __pa(reloc_code);
69
70 /* Flush the reloc_code in preparation for its execution. */
71 __flush_dcache_area(reloc_code, arm64_relocate_new_kernel_size);
72 flush_icache_range((uintptr_t)reloc_code, (uintptr_t)reloc_code +
73 arm64_relocate_new_kernel_size);
74
75 return 0;
76 }
77
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org