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Message-ID: <202105042343.xSgVvYK8-lkp@intel.com>
Date: Tue, 4 May 2021 23:54:39 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
"J. Bruce Fields" <bfields@...hat.com>,
linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
linux-fsdevel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
Chuck Lever <chuck.lever@...cle.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH v2 12/14] seq_file: Replace seq_escape() with inliner
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@...el.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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