Re: [PATCH 05/11] kexec_file: Use read-only sections in arch_kexec_apply_relocations*

From: kbuild test robot
Date: Wed Feb 28 2018 - 10:38:09 EST


Hi Philipp,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc3 next-20180228]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Philipp-Rudo/kexec_file-Clean-up-purgatory-load/20180228-223538
config: i386-randconfig-a0-201808 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

In file included from include/linux/crash_dump.h:5:0,
from drivers/scsi/aacraid/commsup.c:36:
>> include/linux/kexec.h:296:10: warning: 'struct purgatory_info' declared inside parameter list
const Elf_Shdr *symtab);
^
>> include/linux/kexec.h:296:10: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/kexec.h:300:6: warning: 'struct purgatory_info' declared inside parameter list
const Elf_Shdr *symtab);
^

vim +296 include/linux/kexec.h

286
287 int __weak arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
288 unsigned long buf_len);
289 void * __weak arch_kexec_kernel_image_load(struct kimage *image);
290 int __weak arch_kimage_file_post_load_cleanup(struct kimage *image);
291 int __weak arch_kexec_kernel_verify_sig(struct kimage *image, void *buf,
292 unsigned long buf_len);
293 int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
294 Elf_Shdr *section,
295 const Elf_Shdr *relsec,
> 296 const Elf_Shdr *symtab);
297 int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
298 Elf_Shdr *section,
299 const Elf_Shdr *relsec,
300 const Elf_Shdr *symtab);
301 void arch_kexec_protect_crashkres(void);
302 void arch_kexec_unprotect_crashkres(void);
303

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