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Message-ID: <202201292238.F1q5U57j-lkp@intel.com>
Date:   Sat, 29 Jan 2022 22:49:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Changbin Du <changbin.du@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Changbin Du <changbin.du@...il.com>
Subject: Re: [PATCH v2] riscv: fix oops caused by irq on/off tracer

Hi Changbin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.17-rc1 next-20220128]
[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/Changbin-Du/riscv-fix-oops-caused-by-irq-on-off-tracer/20220129-084342
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 169387e2aa291a4e3cb856053730fe99d6cec06f
config: riscv-randconfig-c006-20220125 (https://download.01.org/0day-ci/archive/20220129/202201292238.F1q5U57j-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 33b45ee44b1f32ffdbc995e6fec806271b4b3ba4)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/389bbb8268ab6ab20c8a76808dfe52997577a06b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Changbin-Du/riscv-fix-oops-caused-by-irq-on-off-tracer/20220129-084342
        git checkout 389bbb8268ab6ab20c8a76808dfe52997577a06b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/

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

All warnings (new ones prefixed by >>):

>> arch/riscv/kernel/trace_irq.c:11: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * trace_hardirqs_on/off requires at least two parent call frames.


vim +11 arch/riscv/kernel/trace_irq.c

     9	
    10	/**
  > 11	 * trace_hardirqs_on/off requires at least two parent call frames.
    12	 * Here we add one extra level so they can be safely called by low
    13	 * level entry code.
    14	 */
    15	

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

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