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From: kernel test robot <lkp@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	"J. Bruce Fields" <bfields@redhat.com>,
	linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	Chuck Lever <chuck.lever@oracle.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [PATCH v2 12/14] seq_file: Replace seq_escape() with inliner
Date: Tue, 4 May 2021 23:54:39 +0800	[thread overview]
Message-ID: <202105042343.xSgVvYK8-lkp@intel.com> (raw)
In-Reply-To: <20210504102648.88057-13-andriy.shevchenko@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 9775 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on linus/master nfsd/nfsd-next v5.12 next-20210504]
[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/Andy-Shevchenko/lib-string_helpers-get-rid-of-ugly-_escape_mem_ascii/20210504-182828
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1fe5501ba1abf2b7e78295df73675423bd6899a0
config: powerpc64-randconfig-r035-20210504 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/0day-ci/linux/commit/047508aa8c09cb58cf304e9025283021731b3921
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/lib-string_helpers-get-rid-of-ugly-_escape_mem_ascii/20210504-182828
        git checkout 047508aa8c09cb58cf304e9025283021731b3921
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc64 

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

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/prom_init.c:24:
   In file included from include/linux/pci.h:38:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   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:619:
   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:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:79:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: 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/kernel/prom_init.c:24:
   In file included from include/linux/pci.h:38:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   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:619:
   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:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:81:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: 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/kernel/prom_init.c:24:
   In file included from include/linux/pci.h:38:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   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:619:
   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:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:83:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: 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/kernel/prom_init.c:24:
   In file included from include/linux/pci.h:38:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   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:619:
   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:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:85:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: 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/kernel/prom_init.c:24:
   In file included from include/linux/pci.h:38:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   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:619:
   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:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:87:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/kernel/prom_init.c:704:9: error: 'isxdigit' macro redefined [-Werror,-Wmacro-redefined]
   #define isxdigit(c)     (('0' <= (c) && (c) <= '9') \
           ^
   include/linux/ctype.h:35:9: note: previous definition is here
   #define isxdigit(c)     ((__ismask(c)&(_D|_X)) != 0)
           ^
>> arch/powerpc/kernel/prom_init.c:709:9: error: 'islower' macro redefined [-Werror,-Wmacro-redefined]
   #define islower(c)      ('a' <= (c) && (c) <= 'z')
           ^
   include/linux/ctype.h:29:9: note: previous definition is here
   #define islower(c)      ((__ismask(c)&(_L)) != 0)
           ^
>> arch/powerpc/kernel/prom_init.c:710:9: error: 'toupper' macro redefined [-Werror,-Wmacro-redefined]
   #define toupper(c)      (islower(c) ? ((c) - 'a' + 'A') : (c))
           ^
   include/linux/ctype.h:64:9: note: previous definition is here
   #define toupper(c) __toupper(c)
           ^
   9 errors generated.


vim +/isxdigit +704 arch/powerpc/kernel/prom_init.c

9b6b563c0d2d25 Paul Mackerras  2005-10-06  702  
5827d4165ac608 Anton Blanchard 2012-11-26  703  /* We can't use the standard versions because of relocation headaches. */
cf68787b68a201 Benjamin Krill  2009-07-27 @704  #define isxdigit(c)	(('0' <= (c) && (c) <= '9') \
cf68787b68a201 Benjamin Krill  2009-07-27  705  			 || ('a' <= (c) && (c) <= 'f') \
cf68787b68a201 Benjamin Krill  2009-07-27  706  			 || ('A' <= (c) && (c) <= 'F'))
cf68787b68a201 Benjamin Krill  2009-07-27  707  
cf68787b68a201 Benjamin Krill  2009-07-27  708  #define isdigit(c)	('0' <= (c) && (c) <= '9')
cf68787b68a201 Benjamin Krill  2009-07-27 @709  #define islower(c)	('a' <= (c) && (c) <= 'z')
cf68787b68a201 Benjamin Krill  2009-07-27 @710  #define toupper(c)	(islower(c) ? ((c) - 'a' + 'A') : (c))
cf68787b68a201 Benjamin Krill  2009-07-27  711  

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

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  parent reply	other threads:[~2021-05-04 15:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-04 10:26 [PATCH v2 00/14] lib/string_helpers: get rid of ugly *_escape_mem_ascii() Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 01/14] lib/string_helpers: Switch to use BIT() macro Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 02/14] lib/string_helpers: Move ESCAPE_NP check inside 'else' branch in a loop Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 03/14] lib/string_helpers: Drop indentation level in string_escape_mem() Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 04/14] lib/string_helpers: Introduce ESCAPE_NA for escaping non-ASCII Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 05/14] lib/string_helpers: Introduce ESCAPE_NAP to escape non-ASCII and non-printable Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 06/14] lib/string_helpers: Allow to append additional characters to be escaped Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 07/14] lib/test-string_helpers: Print flags in hexadecimal format Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 08/14] lib/test-string_helpers: Get rid of trailing comma in terminators Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 09/14] lib/test-string_helpers: Add test cases for new features Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 10/14] MAINTAINERS: Add myself as designated reviewer for generic string library Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 11/14] seq_file: Introduce seq_escape_mem() Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 12/14] seq_file: Replace seq_escape() with inliner Andy Shevchenko
2021-05-04 12:41   ` kernel test robot
2021-05-04 13:17   ` kernel test robot
2021-05-04 13:53     ` Andy Shevchenko
2021-05-04 15:54   ` kernel test robot [this message]
2021-05-04 16:26   ` Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 13/14] nfsd: Avoid non-flexible API in seq_quote_mem() Andy Shevchenko
2021-05-04 10:26 ` [PATCH v2 14/14] seq_file: Drop unused *_escape_mem_ascii() Andy Shevchenko

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