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From: kernel test robot <lkp@intel.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, llvm@lists.linux.dev,
	kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 19/19] powerpc: Remove impossible mmu_psize_defs[] on nohash
Date: Fri, 9 Sep 2022 10:35:17 +0800	[thread overview]
Message-ID: <202209091055.Tq3tkK5a-lkp@intel.com> (raw)
In-Reply-To: <304d1442c5caa276c87c2caa615fcb6eed96c30c.1662658653.git.christophe.leroy@csgroup.eu>

Hi Christophe,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/topic/ppc-kvm linus/master v6.0-rc4 next-20220908]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/powerpc-Kconfig-Fix-non-existing-CONFIG_PPC_FSL_BOOKE/20220909-014729
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-fsp2_defconfig (https://download.01.org/0day-ci/archive/20220909/202209091055.Tq3tkK5a-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 1546df49f5a6d09df78f569e4137ddb365a3e827)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/452a31e5ede29b8b06cd0db37bf68959ce3d753a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Christophe-Leroy/powerpc-Kconfig-Fix-non-existing-CONFIG_PPC_FSL_BOOKE/20220909-014729
        git checkout 452a31e5ede29b8b06cd0db37bf68959ce3d753a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   __do_insb
   ^
   arch/powerpc/include/asm/io.h:577:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/mm/nohash/tlb.c:29:
   In file included from include/linux/highmem.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:45:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:224:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:578:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/mm/nohash/tlb.c:29:
   In file included from include/linux/highmem.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:226:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:579:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/mm/nohash/tlb.c:29:
   In file included from include/linux/highmem.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:228:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:580:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/mm/nohash/tlb.c:29:
   In file included from include/linux/highmem.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:51:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:230:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:581:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/mm/nohash/tlb.c:29:
   In file included from include/linux/highmem.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:53:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:232:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:582:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/mm/nohash/tlb.c:104:9: error: use of undeclared identifier 'mmu_psize_defs'
           return mmu_psize_defs[psize].enc;
                  ^
>> arch/powerpc/mm/nohash/tlb.c:106:2: error: #else without #if
   #else
    ^
>> arch/powerpc/mm/nohash/tlb.c:107:19: error: redefinition of 'mmu_get_tsize'
   static inline int mmu_get_tsize(int psize)
                     ^
   arch/powerpc/mm/nohash/tlb.c:102:19: note: previous definition is here
   static inline int mmu_get_tsize(int psize)
                     ^
>> arch/powerpc/mm/nohash/tlb.c:112:2: error: #endif without #if
   #endif /* CONFIG_PPC_E500 */
    ^
   arch/powerpc/mm/nohash/tlb.c:315:13: error: no previous prototype for function 'early_init_mmu_47x' [-Werror,-Wmissing-prototypes]
   void __init early_init_mmu_47x(void)
               ^
   arch/powerpc/mm/nohash/tlb.c:315:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init early_init_mmu_47x(void)
   ^
   static 
   11 errors generated.


vim +/mmu_psize_defs +104 arch/powerpc/mm/nohash/tlb.c

41151e77a4d96e arch/powerpc/mm/tlb_nohash.c Becky Bruce            2011-06-28  101  
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  102  static inline int mmu_get_tsize(int psize)
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  103  {
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23 @104  	return mmu_psize_defs[psize].enc;
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  105  }
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23 @106  #else
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23 @107  static inline int mmu_get_tsize(int psize)
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  108  {
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  109  	/* This isn't used on !Book3E for now */
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  110  	return 0;
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  111  }
823ee1119f6e4c arch/powerpc/mm/nohash/tlb.c Christophe Leroy       2022-09-08 @112  #endif /* CONFIG_PPC_E500 */
25d21ad6e799cc arch/powerpc/mm/tlb_nohash.c Benjamin Herrenschmidt 2009-07-23  113  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

      reply	other threads:[~2022-09-09  2:36 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-08 17:37 [PATCH v1 01/19] powerpc/Kconfig: Fix non existing CONFIG_PPC_FSL_BOOKE Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 02/19] powerpc/64e: Tie PPC_BOOK3E_64 to PPC_E500MC Christophe Leroy
2022-09-09  5:50   ` Michael Ellerman
2022-09-09  6:22     ` Christophe Leroy
2022-09-09 12:39       ` Michael Ellerman
2022-09-08 17:37 ` [PATCH v1 03/19] powerpc/64e: Remove unnecessary #ifdef CONFIG_PPC_FSL_BOOK3E Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 04/19] powerpc/cputable: Remove __machine_check_early_realmode_p{7/8/9} prototypes Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 05/19] powerpc/cputable: Move __cpu_setup() prototypes out of cputable.h Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 06/19] powerpc/cputable: Split cpu_specs[] " Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 07/19] powerpc: Remove CONFIG_FSL_BOOKE Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 08/19] powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 09/19] powerpc: Remove CONFIG_PPC_BOOK3E Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 10/19] powerpc: Remove redundant selection of E500 and E500MC Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 11/19] powerpc: Change CONFIG_E500 to CONFIG_PPC_E500 Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 12/19] Documentation: Rename PPC_FSL_BOOK3E to PPC_E500 Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 13/19] watchdog: booke_wdt: Replace PPC_FSL_BOOK3E by PPC_E500 Christophe Leroy
2022-09-08 17:49   ` Guenter Roeck
2022-09-08 17:37 ` [PATCH v1 14/19] powerpc: Remove CONFIG_PPC_FSL_BOOK3E Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 15/19] powerpc: Remove CONFIG_PPC_BOOK3E_MMU Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 16/19] powerpc: Replace PPC_85xx || PPC_BOOKE_64 by PPC_E500 Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 17/19] powerpc: Simplify redundant Kconfig tests Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 18/19] powerpc: Cleanup idle for e500 Christophe Leroy
2022-09-08 17:37 ` [PATCH v1 19/19] powerpc: Remove impossible mmu_psize_defs[] on nohash Christophe Leroy
2022-09-09  2:35   ` kernel test robot [this message]

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