linux-kernel - Re: [PATCH v1 3/3] riscv/purgatory: do not link with string.o

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Message-ID: <202307260325.E3Uh9dYf-lkp@intel.com>
Date:   Wed, 26 Jul 2023 03:36:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Petr Tesarik <petrtesarik@...weicloud.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Li Huafei <lihuafei1@...wei.com>,
        Liao Chang <liaochang1@...wei.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Alyssa Ross <hi@...ssa.is>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Kees Cook <keescook@...omium.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Li Zhengyu <lizhengyu3@...wei.com>,
        "open list:RISC-V ARCHITECTURE" <linux-riscv@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Roberto Sassu <roberto.sassu@...weicloud.com>, petr@...arici.cz
Subject: Re: [PATCH v1 3/3] riscv/purgatory: do not link with string.o

Hi Petr,

kernel test robot noticed the following build errors:

[auto build test ERROR on kees/for-next/pstore]
[also build test ERROR on kees/for-next/kspp linus/master v6.5-rc3 next-20230725]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Petr-Tesarik/riscv-kexec-handle-R_RISCV_CALL_PLT-relocation-type/20230725-165116
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
patch link:    https://lore.kernel.org/r/a083f38c7c3acd6ac9542228e36947be30b58188.1690274483.git.petr.tesarik.ext%40huawei.com
patch subject: [PATCH v1 3/3] riscv/purgatory: do not link with string.o
config: riscv-randconfig-r001-20230725 (https://download.01.org/0day-ci/archive/20230726/202307260325.E3Uh9dYf-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230726/202307260325.E3Uh9dYf-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307260325.E3Uh9dYf-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: memcmp
   >>> referenced by ctype.c
   >>>               arch/riscv/purgatory/purgatory.ro:(purgatory)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki