Re: [PATCH] kbuild: copy scripts/atomic/atomic-*.h to include/generated/atomic-*.h

From: kernel test robot
Date: Fri May 13 2022 - 19:43:13 EST


Hi Masahiro,

I love your patch! Yet something to improve:

[auto build test ERROR on masahiroy-kbuild/for-next]
[also build test ERROR on linux/master linus/master v5.18-rc6 next-20220513]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/intel-lab-lkp/linux/commits/Masahiro-Yamada/kbuild-copy-scripts-atomic-atomic-h-to-include-generated-atomic-h/20220514-025623
base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20220514/202205140754.YHGZFvAQ-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/3f6dd60121830fdd3733dd804d9ae163d88acc98
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Masahiro-Yamada/kbuild-copy-scripts-atomic-atomic-h-to-include-generated-atomic-h/20220514-025623
git checkout 3f6dd60121830fdd3733dd804d9ae163d88acc98
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

arch/x86/um/user-offsets.c:17:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
17 | void foo(void)
| ^~~
In file included from include/linux/atomic.h:80,
from include/linux/jump_label.h:256,
from arch/x86/include/asm/string_64.h:6,
from arch/x86/include/asm/string.h:5,
from include/linux/string.h:20,
from include/linux/uuid.h:12,
from include/linux/mod_devicetable.h:13,
from scripts/mod/devicetable-offsets.c:3:
>> include/linux/atomic/atomic-arch-fallback.h:2:10: fatal error: generated/atomic-arch-fallback.h: No such file or directory
2 | #include <generated/atomic-arch-fallback.h>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.build:121: scripts/mod/devicetable-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1194: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.


vim +2 include/linux/atomic/atomic-arch-fallback.h

> 2 #include <generated/atomic-arch-fallback.h>

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