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/...
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 <lkp(a)intel.com>
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'
vim +240 arch/powerpc/kernel/misc_32.S
218
219 /*
220 * Copy a whole page. We use the dcbz instruction on the destination
221 * to reduce memory traffic (it eliminates the unnecessary reads of
222 * the destination into cache). This requires that the destination
223 * is cacheable.
224 */
225 #define COPY_16_BYTES \
226 lwz r6,4(r4); \
227 lwz r7,8(r4); \
228 lwz r8,12(r4); \
229 lwzu r9,16(r4); \
230 stw r6,4(r3); \
231 stw r7,8(r3); \
232 stw r8,12(r3); \
233 stwu r9,16(r3)
234
235 _GLOBAL(copy_page)
236 rlwinm r5, r3, 0, L1_CACHE_BYTES - 1
237 addi r3,r3,-4
238
239 0: twnei r5, 0 /* WARN if r3 is not cache aligned */
240 EMIT_WARN_ENTRY 0b,__FILE__,__LINE__, BUGFLAG_WARNING
241
242 addi r4,r4,-4
243
244 li r5,4
245
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org