linux-kernel - Re: [PATCH v2 2/2] hwrng: add Zhaoxin HW RNG driver

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Message-ID: <202307311838.VQTSuKH4-lkp@intel.com>
Date:   Mon, 31 Jul 2023 18:22:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     LeoLiu-oc <LeoLiu-oc@...oxin.com>, olivia@...enic.com,
        herbert@...dor.apana.org.au, jiajie.ho@...rfivetech.com,
        conor.dooley@...rochip.com, martin@...ser.cx, mmyangfl@...il.com,
        jenny.zhang@...rfivetech.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, leoliu@...oxin.com,
        CobeChen@...oxin.com, YunShen@...oxin.com, TonyWWang@...oxin.com,
        leoliu-oc <leoliu-oc@...oxin.com>
Subject: Re: [PATCH v2 2/2] hwrng: add Zhaoxin HW RNG driver

Hi LeoLiu-oc,

kernel test robot noticed the following build warnings:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master linus/master v6.5-rc4 next-20230731]
[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/LeoLiu-oc/hwrng-via-rng-convert-to-x86_cpu_id-probing/20230731-164950
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20230731084515.2057375-3-LeoLiu-oc%40zhaoxin.com
patch subject: [PATCH v2 2/2] hwrng: add Zhaoxin HW RNG driver
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230731/202307311838.VQTSuKH4-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230731/202307311838.VQTSuKH4-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/202307311838.VQTSuKH4-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/loongarch/include/asm/inst.h:10,
                    from arch/loongarch/include/asm/uprobes.h:5,
                    from include/linux/uprobes.h:49,
                    from include/linux/mm_types.h:16,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/char/hw_random/zhaoxin-rng.c:10:
>> arch/loongarch/include/asm/asm.h:35: warning: "STACK_ALIGN" redefined
      35 | #define STACK_ALIGN     ~(0xf)
         | 
   In file included from drivers/char/hw_random/zhaoxin-rng.c:9:
   include/crypto/padlock.h:19: note: this is the location of the previous definition
      19 | #define STACK_ALIGN 16
         | 
   drivers/char/hw_random/zhaoxin-rng.c:16:10: fatal error: asm/cpu_device_id.h: No such file or directory
      16 | #include <asm/cpu_device_id.h>
         |          ^~~~~~~~~~~~~~~~~~~~~
   compilation terminated.


vim +/STACK_ALIGN +35 arch/loongarch/include/asm/asm.h

b738c106f7355e Huacai Chen 2022-05-31  31  
b738c106f7355e Huacai Chen 2022-05-31  32  /*
b738c106f7355e Huacai Chen 2022-05-31  33   * Stack alignment
b738c106f7355e Huacai Chen 2022-05-31  34   */
b738c106f7355e Huacai Chen 2022-05-31 @35  #define STACK_ALIGN	~(0xf)
b738c106f7355e Huacai Chen 2022-05-31  36  

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