4:31 a.m.
Hi Josh,
I love your patch! Yet something to improve:
[auto build test ERROR on tip/master]
[also build test ERROR on linus/master v5.11-rc3 next-20210115]
[cannot apply to xen-tip/linux-next tip/x86/core]
[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/0day-ci/linux/commits/Josh-Poimboeuf/objtool-vmlinux-o...
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
2c2adbc40b7276518921864053f3c02034b2290f
config: x86_64-randconfig-r021-20210115 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
5b42fd8dd4e7e29125a09a41a33af7c9cb57d144)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/0day-ci/linux/commit/8bd968235f05d3e12d27c48feea19efdb...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Josh-Poimboeuf/objtool-vmlinux-o-and-CLANG-LTO-support/20210115-125439
git checkout 8bd968235f05d3e12d27c48feea19efdb7abeca6
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
elf.c:414:8: error: unused variable 'coldstr' [-Werror,-Wunused-variable]
char *coldstr;
^
> elf.c:639:9: error: variable 'sym' is uninitialized when
used here [-Werror,-Wuninitialized]
if
(sym->type == STT_SECTION)
^~~
elf.c:637:30: note: initialize the variable 'sym' to silence this warning
struct symbol *func, *sym;
^
= NULL
2 errors generated.
make[4]: *** [tools/build/Makefile.build:96: tools/objtool/elf.o] Error 1
make[3]: *** [Makefile:59: tools/objtool/objtool-in.o] Error 2
--
elf.c:414:8: error: unused variable 'coldstr' [-Werror,-Wunused-variable]
char *coldstr;
^
> elf.c:639:9: error: variable 'sym' is uninitialized when
used here [-Werror,-Wuninitialized]
if
(sym->type == STT_SECTION)
^~~
elf.c:637:30: note: initialize the variable 'sym' to silence this warning
struct symbol *func, *sym;
^
= NULL
2 errors generated.
make[4]: *** [tools/build/Makefile.build:96: tools/objtool/elf.o] Error 1
make[3]: *** [Makefile:59: tools/objtool/objtool-in.o] Error 2
make[2]: *** [Makefile:68: objtool] Error 2
make[1]: *** [Makefile:1931: tools/objtool] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
elf.c:414:8: error: unused variable 'coldstr' [-Werror,-Wunused-variable]
char *coldstr;
^
> elf.c:639:9: error: variable 'sym' is uninitialized when
used here [-Werror,-Wuninitialized]
if
(sym->type == STT_SECTION)
^~~
elf.c:637:30: note: initialize the variable 'sym' to silence this warning
struct symbol *func, *sym;
^
= NULL
2 errors generated.
make[4]: *** [tools/build/Makefile.build:96: tools/objtool/elf.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [Makefile:59: tools/objtool/objtool-in.o] Error 2
make[2]: *** [Makefile:68: objtool] Error 2
make[1]: *** [Makefile:1931: tools/objtool] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org