Subject: Re: [PATCH v3 5/9] powerpc/mm/book3s64: Update tlb flush routines to take a page walk cache flush argument

From: kernel test robot <[email-masked]>
Date: Tue, 30 Mar 2021 21:28:31 +0800

Hi "Aneesh,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on kselftest/next v5.12-rc5 next-20210330]
[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]

url:    https://github.com/0day-ci/linux/commits/Aneesh-Kumar-K-V/Speedup-mremap-on-ppc64/20210330-141025
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-ps3_defconfig (attached as .config)
compiler: powerpc64-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
        # https://github.com/0day-ci/linux/commit/ae3b5c3343e8fd4ca3ef4e3c606d83f017d05588
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Aneesh-Kumar-K-V/Speedup-mremap-on-ppc64/20210330-141025
        git checkout ae3b5c3343e8fd4ca3ef4e3c606d83f017d05588
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email-masked]>

All errors (new ones prefixed by >>):

>> arch/powerpc/mm/book3s64/radix_tlb.c:1252:6: error: no previous prototype for 'radix__flush_tlb_range_psize' [-Werror=missing-prototypes]
    1252 | void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/radix__flush_tlb_range_psize +1252 arch/powerpc/mm/book3s64/radix_tlb.c

8cb8140c4c9397 arch/powerpc/mm/tlb-radix.c Aneesh Kumar K.V 2016-07-13  1251  
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07 @1252  void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07  1253  				  unsigned long end, int psize)
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07  1254  {
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07  1255  	return __radix__flush_tlb_range_psize(mm, start, end, psize, false);
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07  1256  }
0b2f5a8a792755 arch/powerpc/mm/tlb-radix.c Nicholas Piggin  2017-11-07  1257  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email-masked]