linux-kernel - Re: [PATCH 3/6] timex: prepare compat helpers for y2038 changes

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Message-ID: <201807051322.sUohKhUO%fengguang.wu@intel.com>
Date:   Thu, 5 Jul 2018 15:06:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Deepa Dinamani <deepa.kernel@...il.com>
Cc:     kbuild-all@...org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, arnd@...db.de,
        y2038@...ts.linaro.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 3/6] timex: prepare compat helpers for y2038 changes

Hi Deepa,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on next-20180704]
[cannot apply to linus/master v4.18-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Deepa-Dinamani/arm64-Make-basic-compat_-types-always-available/20180703-151440
config: riscv-defconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=riscv 

All errors (new ones prefixed by >>):

   In file included from include/linux/compat.h:10,
                    from include/linux/ethtool.h:17,
                    from include/linux/netdevice.h:41,
                    from drivers/net/mii.c:32:
>> include/linux/compat_time.h:29:2: error: unknown type name 'compat_uint_t'
     compat_uint_t modes;
     ^~~~~~~~~~~~~
>> include/linux/compat_time.h:30:2: error: unknown type name 'compat_long_t'
     compat_long_t offset;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:31:2: error: unknown type name 'compat_long_t'
     compat_long_t freq;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:32:2: error: unknown type name 'compat_long_t'
     compat_long_t maxerror;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:33:2: error: unknown type name 'compat_long_t'
     compat_long_t esterror;
     ^~~~~~~~~~~~~
>> include/linux/compat_time.h:34:2: error: unknown type name 'compat_int_t'
     compat_int_t status;
     ^~~~~~~~~~~~
   include/linux/compat_time.h:35:2: error: unknown type name 'compat_long_t'
     compat_long_t constant;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:36:2: error: unknown type name 'compat_long_t'
     compat_long_t precision;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:37:2: error: unknown type name 'compat_long_t'
     compat_long_t tolerance;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:39:2: error: unknown type name 'compat_long_t'
     compat_long_t tick;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:40:2: error: unknown type name 'compat_long_t'
     compat_long_t ppsfreq;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:41:2: error: unknown type name 'compat_long_t'
     compat_long_t jitter;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:42:2: error: unknown type name 'compat_int_t'
     compat_int_t shift;
     ^~~~~~~~~~~~
   include/linux/compat_time.h:43:2: error: unknown type name 'compat_long_t'
     compat_long_t stabil;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:44:2: error: unknown type name 'compat_long_t'
     compat_long_t jitcnt;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:45:2: error: unknown type name 'compat_long_t'
     compat_long_t calcnt;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:46:2: error: unknown type name 'compat_long_t'
     compat_long_t errcnt;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:47:2: error: unknown type name 'compat_long_t'
     compat_long_t stbcnt;
     ^~~~~~~~~~~~~
   include/linux/compat_time.h:48:2: error: unknown type name 'compat_int_t'
     compat_int_t tai;
     ^~~~~~~~~~~~
>> include/linux/compat_time.h:50:2: error: expected specifier-qualifier-list before 'compat_int_t'
     compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
     ^~~~~~~~~~~~

vim +/compat_uint_t +29 include/linux/compat_time.h

    27	
    28	struct compat_timex {
  > 29		compat_uint_t modes;
  > 30		compat_long_t offset;
  > 31		compat_long_t freq;
    32		compat_long_t maxerror;
    33		compat_long_t esterror;
  > 34		compat_int_t status;
    35		compat_long_t constant;
    36		compat_long_t precision;
    37		compat_long_t tolerance;
    38		struct compat_timeval time;
    39		compat_long_t tick;
    40		compat_long_t ppsfreq;
    41		compat_long_t jitter;
    42		compat_int_t shift;
    43		compat_long_t stabil;
    44		compat_long_t jitcnt;
    45		compat_long_t calcnt;
  > 46		compat_long_t errcnt;
    47		compat_long_t stbcnt;
    48		compat_int_t tai;
    49	
  > 50		compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
    51		compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
    52		compat_int_t:32; compat_int_t:32; compat_int_t:32;
    53	};
    54	
    55	

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