[PATCH v9 05/17] riscv: Add vector feature to compile

[kernel test robot]

Hi Greentime,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.15]
[cannot apply to linus/master next-20211111]
[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/Greentime-Hu/riscv-Add-vector-ISA-support/20211109-175222
base:   DEBUG invalid remote for branch v5.15 8bb7eca972ad531c9b149c0a51ab43a417385813
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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://github.com/0day-ci/linux/commit/b164ca135b641a96cea32346baec67e96bf468a2
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Greentime-Hu/riscv-Add-vector-ISA-support/20211109-175222
        git checkout b164ca135b641a96cea32346baec67e96bf468a2
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
   scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
   Assembler messages:
>> Error: cannot find default versions of the ISA extension `v'
   make[2]: *** [scripts/Makefile.build:379: arch/riscv/kernel/vdso/rt_sigreturn.o] Error 1
   Assembler messages:
>> Error: cannot find default versions of the ISA extension `v'
   Assembler messages:
>> Error: cannot find default versions of the ISA extension `v'
   make[2]: *** [scripts/Makefile.build:379: arch/riscv/kernel/vdso/getcpu.o] Error 1
   make[2]: *** [scripts/Makefile.build:379: arch/riscv/kernel/vdso/note.o] Error 1
   Assembler messages:
>> Error: cannot find default versions of the ISA extension `v'
   make[2]: *** [scripts/Makefile.build:379: arch/riscv/kernel/vdso/flush_icache.o] Error 1
   make[2]: Target 'include/generated/vdso-offsets.h' not remade because of errors.
   make[1]: *** [arch/riscv/Makefile:121: vdso_prepare] 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.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 71181 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-riscv/attachments/20211112/ee974ea7/attachment.gz>