Le 10/08/2021 à 20:10, kernel test robot a écrit :
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 5e3aa4531ecc7febbfa18218145c903dab17e651
commit: 5e3aa4531ecc7febbfa18218145c903dab17e651 [60/60] powerpc/bug: Provide
better flexibility to WARN_ON/__WARN_FLAGS() with asm goto
config: powerpc64-buildonly-randconfig-r001-20210810 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
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
#
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=5e3aa4531ecc7febbfa18218145c903dab17e651
git remote add powerpc
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
git fetch --no-tags powerpc next-test
git checkout 5e3aa4531ecc7febbfa18218145c903dab17e651
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross
O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
arch/powerpc/kernel/misc_32.S: Assembler messages:
arch/powerpc/kernel/misc_32.S:240: Error: unrecognized opcode: `emit_warn_entry'
We are missing stubs when CONFIG_BUG is not selected.
The following show fix it:
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index f36b872cb571..1ee0f22313ee 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -137,8 +137,11 @@ __label_warn_on:
\
#ifdef __ASSEMBLY__
.macro EMIT_BUG_ENTRY addr,file,line,flags
.endm
+.macro EMIT_WARN_ENTRY addr,file,line,flags
+.endm
#else /* !__ASSEMBLY__ */
#define _EMIT_BUG_ENTRY
+#define _EMIT_WARN_ENTRY
#endif
#endif /* CONFIG_BUG */
