From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [arnd-playground:randconfig-7.3-next 610/673] arch/sparc/include/asm/page_32.h:127:9: warning: 'virt_to_phys' redefined
Date: Fri, 25 Sep 2026 22:30:37 +0800 [thread overview]
Message-ID: <202609252258.3Zc17438-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-7.3-next
head: 0a1affa74ef2f2c5c5ee74fc604e47a1aefdd286
commit: d217cdb672619041e213243f6f352cb6422d3a59 [610/673] Revert "simplify asm/io.h"
config: sparc-allnoconfig (https://download.01.org/0day-ci/archive/20260925/202609252258.3Zc17438-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260925/202609252258.3Zc17438-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609252258.3Zc17438-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/sparc/include/asm/io_32.h:21,
from arch/sparc/include/asm/io.h:7,
from include/linux/io.h:12,
from lib/iomem_copy.c:8:
include/asm-generic/io.h: In function 'virt_to_phys':
include/asm-generic/io.h:1099:16: error: implicit declaration of function '__pa' [-Wimplicit-function-declaration]
1099 | return __pa((unsigned long)address);
| ^~~~
include/asm-generic/io.h: In function 'phys_to_virt':
include/asm-generic/io.h:1107:16: error: implicit declaration of function '__va' [-Wimplicit-function-declaration]
1107 | return __va(address);
| ^~~~
include/asm-generic/io.h:1107:16: error: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion]
1107 | return __va(address);
| ^~~~~~~~~~~~~
In file included from arch/sparc/include/asm/page.h:8,
from include/linux/io.h:13:
arch/sparc/include/asm/page_32.h: At top level:
>> arch/sparc/include/asm/page_32.h:127:9: warning: 'virt_to_phys' redefined
127 | #define virt_to_phys __pa
| ^~~~~~~~~~~~
include/asm-generic/io.h:1096:9: note: this is the location of the previous definition
1096 | #define virt_to_phys virt_to_phys
| ^~~~~~~~~~~~
>> arch/sparc/include/asm/page_32.h:128:9: warning: 'phys_to_virt' redefined
128 | #define phys_to_virt __va
| ^~~~~~~~~~~~
include/asm-generic/io.h:1104:9: note: this is the location of the previous definition
1104 | #define phys_to_virt phys_to_virt
| ^~~~~~~~~~~~
vim +/virt_to_phys +127 arch/sparc/include/asm/page_32.h
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 126
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 @127 #define virt_to_phys __pa
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 @128 #define phys_to_virt __va
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 129
:::::: The code at line 127 was first introduced by commit
:::::: f5e706ad886b6a5eb59637830110b09ccebf01c5 sparc: join the remaining header files
:::::: TO: Sam Ravnborg <sam@ravnborg.org>
:::::: CC: David S. Miller <davem@davemloft.net>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-25 14:31 UTC|newest]
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