linux-kernel - Re: [PATCH] drivers/android/binder.c: Remove duplicate header

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Date:   Sat, 10 Nov 2018 09:51:24 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Brajeswar Ghosh <brajeswar.linux@...il.com>
Cc:     kbuild-all@...org, gregkh@...uxfoundation.org, arve@...roid.com,
        tkjos@...roid.com, maco@...roid.com, joel@...lfernandes.org,
        devel@...verdev.osuosl.org, sabyasachi.linux@...il.com,
        jrdr.linux@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/android/binder.c: Remove duplicate header

Hi Brajeswar,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.20-rc1 next-20181109]
[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/Brajeswar-Ghosh/drivers-android-binder-c-Remove-duplicate-header/20181109-154717
config: i386-randconfig-i3-201844 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/android/binder.o: In function `__read_once_size':
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_return'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_return'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_return'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_buffer_release'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_buffer_release'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_buffer_release'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_wait_for_work'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_fd_recv'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_wait_for_work'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_fd_recv'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_fd_recv'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_wait_for_work'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_received'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_received'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_received'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_alloc_buf'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_failed_buffer_release'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction'
>> include/linux/compiler.h:182: undefined reference to `__tracepoint_binder_transaction_alloc_buf'

vim +182 include/linux/compiler.h

d976441f Andrey Ryabinin       2015-10-19  178  
d976441f Andrey Ryabinin       2015-10-19  179  static __always_inline
d976441f Andrey Ryabinin       2015-10-19  180  void __read_once_size(const volatile void *p, void *res, int size)
230fa253 Christian Borntraeger 2014-11-25  181  {
d976441f Andrey Ryabinin       2015-10-19 @182  	__READ_ONCE_SIZE;
230fa253 Christian Borntraeger 2014-11-25  183  }
d976441f Andrey Ryabinin       2015-10-19  184  

:::::: The code at line 182 was first introduced by commit
:::::: d976441f44bc5d48635d081d277aa76556ffbf8b compiler, atomics, kasan: Provide READ_ONCE_NOCHECK()

:::::: TO: Andrey Ryabinin <aryabinin@...tuozzo.com>
:::::: CC: Ingo Molnar <mingo@...nel.org>

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