linux-kernel - Re: [kbuild-all] Re: include/linux/spinlock.h:346:2: error: invalid type argument of unary (have 'spinlock

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Message-ID: <698b171b-9099-bd38-3dcc-a0af5f78093c@intel.com>
Date:   Fri, 18 Sep 2020 08:17:47 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        kernel test robot <lkp@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [kbuild-all] Re: include/linux/spinlock.h:346:2: error: invalid
 type argument of unary (have 'spinlock_t' {aka 'struct spinlock'})



On 9/16/20 3:27 PM, Sebastian Andrzej Siewior wrote:
> On 2020-09-16 15:18:56 [+0800], kernel test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   fc4f28bb3daf3265d6bc5f73b497306985bb23ab
>> commit: de8f5e4f2dc1f032b46afda0a78cab5456974f89 lockdep: Introduce wait-type checks
>> date:   6 months ago
>> config: mips-randconfig-r011-20200916 (attached as .config)
>> compiler: mipsel-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
>>          git checkout de8f5e4f2dc1f032b46afda0a78cab5456974f89
>>          # save the attached .config to linux build tree
>>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@...el.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>     In file included from drivers/pcmcia/vrc4173_cardu.c:41:
> This driver does not compile even before this commit.
> Yes, it is still broken and yes it has nothing to do with this commit.

Hi Sebastian,

Only the errors prefixed by '>>' are from this commit, other errors are 
for reference only.

>> include/linux/spinlock.h:346:2: error: invalid type argument of unary '*' (have 'spinlock_t' {aka 'struct spinlock'})

      346 |  *(_lock) = __SPIN_LOCK_UNLOCKED(_lock); \


Best Regards,
Rong Chen