Re: [PATCH] RISC-V: Don't check text_mutex during stop_machine

From: kernel test robot <lkp@intel.com>
To: Palmer Dabbelt <palmer@dabbelt.com>, linux-riscv@lists.infradead.org
Cc: kbuild-all@lists.01.org, rostedt@goodmis.org, mingo@redhat.com,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	aou@eecs.berkeley.edu, mhiramat@kernel.org, zong.li@sifive.com,
	guoren@linux.alibaba.com, Atish Patra <Atish.Patra@wdc.com>
Subject: Re: [PATCH] RISC-V: Don't check text_mutex during stop_machine
Date: Thu, 6 May 2021 20:31:56 +0800	[thread overview]
Message-ID: <202105062035.oZ7CoGMh-lkp@intel.com> (raw)
In-Reply-To: <20210506071041.417854-1-palmer@dabbelt.com>

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Hi Palmer,

I love your patch! Yet something to improve:

[auto build test ERROR on tip/perf/core]
[also build test ERROR on linus/master v5.12 next-20210506]
[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/Palmer-Dabbelt/RISC-V-Don-t-check-text_mutex-during-stop_machine/20210506-151316
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ed8e50800bf4c2d904db9c75408a67085e6cca3d
config: riscv-randconfig-c023-20210506 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/61fc593f7bfbd5a52e0e5ba3a55f02df81df08d5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Palmer-Dabbelt/RISC-V-Don-t-check-text_mutex-during-stop_machine/20210506-151316
        git checkout 61fc593f7bfbd5a52e0e5ba3a55f02df81df08d5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=riscv 

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

All errors (new ones prefixed by >>):

   riscv32-linux-ld: arch/riscv/kernel/patch.o: in function `patch_insn_write':
>> patch.c:(.text+0x68): undefined reference to `riscv_ftrace_in_stop_machine'
>> riscv32-linux-ld: patch.c:(.text+0x6c): undefined reference to `riscv_ftrace_in_stop_machine'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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