Re: [PATCH v4 4/4] powerpc/kbuild: move -mprofile-kernel check to Kconfig

[kbuild test robot <lkp@intel.com>]

Hi Nicholas,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[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/Nicholas-Piggin/powerpc-patches-for-new-Kconfig-language/20180517-224044
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allmodconfig
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        make.cross ARCH=powerpc  allmodconfig
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:468: syntax error
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:467: invalid option
   make[2]: *** [allmodconfig] Error 1
   make[1]: *** [allmodconfig] Error 2
   make: *** [sub-make] Error 2
--
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:468: syntax error
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:467: invalid option
   make[2]: *** [oldconfig] Error 1
   make[1]: *** [oldconfig] Error 2
   make: *** [sub-make] Error 2
--
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:468: syntax error
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
   arch/powerpc/Kconfig:467:warning: ignoring unsupported character '$'
>> arch/powerpc/Kconfig:467: invalid option
   make[2]: *** [olddefconfig] Error 1
   make[2]: Target 'oldnoconfig' not remade because of errors.
   make[1]: *** [oldnoconfig] Error 2
   make: *** [sub-make] Error 2

vim +468 arch/powerpc/Kconfig

e05c0e81 Kevin Hao       2013-07-16  443  
3d72bbc4 Michael Neuling 2013-02-13  444  config PPC_TRANSACTIONAL_MEM
3d72bbc4 Michael Neuling 2013-02-13  445         bool "Transactional Memory support for POWERPC"
3d72bbc4 Michael Neuling 2013-02-13  446         depends on PPC_BOOK3S_64
3d72bbc4 Michael Neuling 2013-02-13  447         depends on SMP
7b37a123 Michael Neuling 2014-01-08  448         select ALTIVEC
7b37a123 Michael Neuling 2014-01-08  449         select VSX
3d72bbc4 Michael Neuling 2013-02-13  450         default n
3d72bbc4 Michael Neuling 2013-02-13  451         ---help---
3d72bbc4 Michael Neuling 2013-02-13  452           Support user-mode Transactional Memory on POWERPC.
3d72bbc4 Michael Neuling 2013-02-13  453  
951eedeb Nicholas Piggin 2017-05-29  454  config LD_HEAD_STUB_CATCH
951eedeb Nicholas Piggin 2017-05-29  455  	bool "Reserve 256 bytes to cope with linker stubs in HEAD text" if EXPERT
951eedeb Nicholas Piggin 2017-05-29  456  	depends on PPC64
951eedeb Nicholas Piggin 2017-05-29  457  	default n
951eedeb Nicholas Piggin 2017-05-29  458  	help
951eedeb Nicholas Piggin 2017-05-29  459  	  Very large kernels can cause linker branch stubs to be generated by
951eedeb Nicholas Piggin 2017-05-29  460  	  code in head_64.S, which moves the head text sections out of their
951eedeb Nicholas Piggin 2017-05-29  461  	  specified location. This option can work around the problem.
951eedeb Nicholas Piggin 2017-05-29  462  
951eedeb Nicholas Piggin 2017-05-29  463  	  If unsure, say "N".
951eedeb Nicholas Piggin 2017-05-29  464  
8c50b72a Torsten Duwe    2016-03-03  465  config MPROFILE_KERNEL
8c50b72a Torsten Duwe    2016-03-03  466  	depends on PPC64 && CPU_LITTLE_ENDIAN
4421b963 Nicholas Piggin 2018-05-17 @467  	def_bool $(success $(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__)
8c50b72a Torsten Duwe    2016-03-03 @468  

:::::: The code at line 468 was first introduced by commit
:::::: 8c50b72a3b4f1f7cdfdfebd233b1cbd121262e65 powerpc/ftrace: Add Kconfig & Make glue for mprofile-kernel

:::::: TO: Torsten Duwe <duwe@lst.de>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation