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* [hnaz-linux-mm:master 60/194] include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
@ 2020-06-09 16:12 kernel test robot
  2020-06-09 22:26 ` Andrew Morton
  0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2020-06-09 16:12 UTC (permalink / raw)
  To: Mike Rapoport
  Cc: kbuild-all, Johannes Weiner, Andrew Morton, Linux Memory Management List

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tree:   https://github.com/hnaz/linux-mm master
head:   a017b085735719105714da692a82a6eeb8830718
commit: f48b9eb10f8c3f378ea4552fee58db3dea980e62 [60/194] mm: consolidate pte_index() and pte_offset_*() definitions
config: sparc-defconfig (attached as .config)
compiler: sparc-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 f48b9eb10f8c3f378ea4552fee58db3dea980e62
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from include/linux/mm.h:31,
from include/linux/memblock.h:13,
from arch/sparc/mm/srmmu.c:14:
>> include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
74 | #define pte_offset_kernel pte_offset_kernel
|                           ^~~~~~~~~~~~~~~~~
>> arch/sparc/mm/srmmu.c:144:8: note: in expansion of macro 'pte_offset_kernel'
144 | pte_t *pte_offset_kernel(pmd_t *dir, unsigned long address)
|        ^~~~~~~~~~~~~~~~~
include/linux/pgtable.h:70:22: note: previous definition of 'pte_offset_kernel' was here
70 | static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
|                      ^~~~~~~~~~~~~~~~~
arch/sparc/mm/srmmu.c: In function 'poke_hypersparc':
arch/sparc/mm/srmmu.c:1093:25: error: variable 'clear' set but not used [-Werror=unused-but-set-variable]
1093 |  volatile unsigned long clear;
|                         ^~~~~
cc1: all warnings being treated as errors

vim +/pte_offset_kernel +74 include/linux/pgtable.h

    68	
    69	#ifndef pte_offset_kernel
    70	static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
    71	{
    72		return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
    73	}
  > 74	#define pte_offset_kernel pte_offset_kernel
    75	#endif
    76	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [hnaz-linux-mm:master 60/194] include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
  2020-06-09 16:12 [hnaz-linux-mm:master 60/194] include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel' kernel test robot
@ 2020-06-09 22:26 ` Andrew Morton
  2020-06-10  4:27   ` Mike Rapoport
  0 siblings, 1 reply; 3+ messages in thread
From: Andrew Morton @ 2020-06-09 22:26 UTC (permalink / raw)
  To: kernel test robot
  Cc: Mike Rapoport, kbuild-all, Johannes Weiner, Linux Memory Management List

On Wed, 10 Jun 2020 00:12:12 +0800 kernel test robot <lkp@intel.com> wrote:

> tree:   https://github.com/hnaz/linux-mm master
> head:   a017b085735719105714da692a82a6eeb8830718
> commit: f48b9eb10f8c3f378ea4552fee58db3dea980e62 [60/194] mm: consolidate pte_index() and pte_offset_*() definitions
> config: sparc-defconfig (attached as .config)
> compiler: sparc-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 f48b9eb10f8c3f378ea4552fee58db3dea980e62
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
> 
> In file included from include/linux/mm.h:31,
> from include/linux/memblock.h:13,
> from arch/sparc/mm/srmmu.c:14:
> >> include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
> 74 | #define pte_offset_kernel pte_offset_kernel
> |                           ^~~~~~~~~~~~~~~~~
> >> arch/sparc/mm/srmmu.c:144:8: note: in expansion of macro 'pte_offset_kernel'
> 144 | pte_t *pte_offset_kernel(pmd_t *dir, unsigned long address)
> |        ^~~~~~~~~~~~~~~~~
> include/linux/pgtable.h:70:22: note: previous definition of 'pte_offset_kernel' was here
> 70 | static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
> |                      ^~~~~~~~~~~~~~~~~
> arch/sparc/mm/srmmu.c: In function 'poke_hypersparc':
> arch/sparc/mm/srmmu.c:1093:25: error: variable 'clear' set but not used [-Werror=unused-but-set-variable]
> 1093 |  volatile unsigned long clear;

Well dang.  The function was supposed to have been removed but
obviously this was lost during all the merging messes.

Mike, can you please confirm that this is still good?

--- a/arch/sparc/mm/srmmu.c~a
+++ a/arch/sparc/mm/srmmu.c
@@ -140,16 +140,6 @@ void pmd_set(pmd_t *pmdp, pte_t *ptep)
 	set_pte((pte_t *)&pmd_val(*pmdp), __pte(SRMMU_ET_PTD | ptp));
 }
 
-/* Find an entry in the third-level page table.. */
-pte_t *pte_offset_kernel(pmd_t *dir, unsigned long address)
-{
-	void *pte;
-
-	pte = __nocache_va((pmd_val(*dir) & SRMMU_PTD_PMASK) << 4);
-	return (pte_t *) pte +
-	    ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
-}
-
 /*
  * size: bytes to allocate in the nocache area.
  * align: bytes, number to align at.
_



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [hnaz-linux-mm:master 60/194] include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
  2020-06-09 22:26 ` Andrew Morton
@ 2020-06-10  4:27   ` Mike Rapoport
  0 siblings, 0 replies; 3+ messages in thread
From: Mike Rapoport @ 2020-06-10  4:27 UTC (permalink / raw)
  To: Andrew Morton
  Cc: kernel test robot, kbuild-all, Johannes Weiner,
	Linux Memory Management List

On Tue, Jun 09, 2020 at 03:26:06PM -0700, Andrew Morton wrote:
> On Wed, 10 Jun 2020 00:12:12 +0800 kernel test robot <lkp@intel.com> wrote:
> 
> > tree:   https://github.com/hnaz/linux-mm master
> > head:   a017b085735719105714da692a82a6eeb8830718
> > commit: f48b9eb10f8c3f378ea4552fee58db3dea980e62 [60/194] mm: consolidate pte_index() and pte_offset_*() definitions
> > config: sparc-defconfig (attached as .config)
> > compiler: sparc-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 f48b9eb10f8c3f378ea4552fee58db3dea980e62
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
> > 
> > In file included from include/linux/mm.h:31,
> > from include/linux/memblock.h:13,
> > from arch/sparc/mm/srmmu.c:14:
> > >> include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel'
> > 74 | #define pte_offset_kernel pte_offset_kernel
> > |                           ^~~~~~~~~~~~~~~~~
> > >> arch/sparc/mm/srmmu.c:144:8: note: in expansion of macro 'pte_offset_kernel'
> > 144 | pte_t *pte_offset_kernel(pmd_t *dir, unsigned long address)
> > |        ^~~~~~~~~~~~~~~~~
> > include/linux/pgtable.h:70:22: note: previous definition of 'pte_offset_kernel' was here
> > 70 | static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
> > |                      ^~~~~~~~~~~~~~~~~
> > arch/sparc/mm/srmmu.c: In function 'poke_hypersparc':
> > arch/sparc/mm/srmmu.c:1093:25: error: variable 'clear' set but not used [-Werror=unused-but-set-variable]
> > 1093 |  volatile unsigned long clear;
> 
> Well dang.  The function was supposed to have been removed but
> obviously this was lost during all the merging messes.
> 
> Mike, can you please confirm that this is still good?

Yep, it is.

> --- a/arch/sparc/mm/srmmu.c~a
> +++ a/arch/sparc/mm/srmmu.c
> @@ -140,16 +140,6 @@ void pmd_set(pmd_t *pmdp, pte_t *ptep)
>  	set_pte((pte_t *)&pmd_val(*pmdp), __pte(SRMMU_ET_PTD | ptp));
>  }
>  
> -/* Find an entry in the third-level page table.. */
> -pte_t *pte_offset_kernel(pmd_t *dir, unsigned long address)
> -{
> -	void *pte;
> -
> -	pte = __nocache_va((pmd_val(*dir) & SRMMU_PTD_PMASK) << 4);
> -	return (pte_t *) pte +
> -	    ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
> -}
> -
>  /*
>   * size: bytes to allocate in the nocache area.
>   * align: bytes, number to align at.
> _
> 

-- 
Sincerely yours,
Mike.


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-06-10  4:27 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-06-09 16:12 [hnaz-linux-mm:master 60/194] include/linux/pgtable.h:74:27: error: redefinition of 'pte_offset_kernel' kernel test robot
2020-06-09 22:26 ` Andrew Morton
2020-06-10  4:27   ` Mike Rapoport

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