linux-kernel - Re: [PATCH v1 07/19] powerpc: Untangle fixmap.h and pgtable.h and mmu.h

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Message-ID: <202309131942.k7EzJho8-lkp@intel.com>
Date:   Wed, 13 Sep 2023 19:14:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 07/19] powerpc: Untangle fixmap.h and pgtable.h and
 mmu.h

Hi Christophe,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.6-rc1 next-20230913]
[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-8xx-Fix-pte_access_permitted-for-PAGE_NONE/20230912-031616
base:   linus/master
patch link:    https://lore.kernel.org/r/c94717708db817a0a0a6349431a2701252686899.1694443576.git.christophe.leroy%40csgroup.eu
patch subject: [PATCH v1 07/19] powerpc: Untangle fixmap.h and pgtable.h and mmu.h
config: powerpc-randconfig-r013-20230912 (https://download.01.org/0day-ci/archive/20230913/202309131942.k7EzJho8-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230913/202309131942.k7EzJho8-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309131942.k7EzJho8-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/powerpc/platforms/83xx/misc.c: In function 'mpc83xx_setup_arch':
>> arch/powerpc/platforms/83xx/misc.c:126:28: error: implicit declaration of function 'fix_to_virt'; did you mean 'bus_to_virt'? [-Werror=implicit-function-declaration]
     126 |         unsigned long va = fix_to_virt(FIX_IMMR_BASE);
         |                            ^~~~~~~~~~~
         |                            bus_to_virt
>> arch/powerpc/platforms/83xx/misc.c:126:40: error: 'FIX_IMMR_BASE' undeclared (first use in this function)
     126 |         unsigned long va = fix_to_virt(FIX_IMMR_BASE);
         |                                        ^~~~~~~~~~~~~
   arch/powerpc/platforms/83xx/misc.c:126:40: note: each undeclared identifier is reported only once for each function it appears in
   cc1: all warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
   Selected by [y]:
   - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]


vim +/FIX_IMMR_BASE +126 arch/powerpc/platforms/83xx/misc.c

fff69fd03d1290 Kevin Hao        2016-08-23  121  
fff69fd03d1290 Kevin Hao        2016-08-23  122  void __init mpc83xx_setup_arch(void)
fff69fd03d1290 Kevin Hao        2016-08-23  123  {
6b7c095a51e1ba Christophe Leroy 2019-09-16  124  	phys_addr_t immrbase = get_immrbase();
6b7c095a51e1ba Christophe Leroy 2019-09-16  125  	int immrsize = IS_ALIGNED(immrbase, SZ_2M) ? SZ_2M : SZ_1M;
6b7c095a51e1ba Christophe Leroy 2019-09-16 @126  	unsigned long va = fix_to_virt(FIX_IMMR_BASE);
6b7c095a51e1ba Christophe Leroy 2019-09-16  127  
1ce844973bb516 Christophe Leroy 2022-06-14  128  	if (ppc_md.progress)
1ce844973bb516 Christophe Leroy 2022-06-14  129  		ppc_md.progress("mpc83xx_setup_arch()", 0);
1ce844973bb516 Christophe Leroy 2022-06-14  130  
6b7c095a51e1ba Christophe Leroy 2019-09-16  131  	setbat(-1, va, immrbase, immrsize, PAGE_KERNEL_NCG);
6b7c095a51e1ba Christophe Leroy 2019-09-16  132  	update_bats();
6b7c095a51e1ba Christophe Leroy 2019-09-16  133  }
0deae39cec6dab Christophe Leroy 2018-12-10  134  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki