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Message-ID: <202204201949.xIif2NO7-lkp@intel.com>
Date: Thu, 21 Apr 2022 14:31:58 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2352/2579]
arch/powerpc/include/asm/cmpxchg.h:80:1: error: use of undeclared identifier
'BITS_PER_BYTE'
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: 49e1ec6c70a6eb4b7de9250a455b8b63eb42afbe
commit: 021ec7b4f3ec8280761a254fd8241779fd7b5bfb [2352/2579] headers/deps: bvec: Reduce <linux/bvec.h> dependencies, remove <linux/bvec_api.h> inclusion
config: powerpc64-randconfig-r015-20220420 (https://download.01.org/0day-ci/archive/20220420/202204201949.xIif2NO7-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
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://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=021ec7b4f3ec8280761a254fd8241779fd7b5bfb
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout 021ec7b4f3ec8280761a254fd8241779fd7b5bfb
# 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 prepare
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 kernel/bounds.c:12:
In file included from include/linux/page-flags.h:9:
In file included from include/linux/jump_label.h:257:
In file included from include/linux/atomic_api.h:8:
In file included from arch/powerpc/include/asm/atomic.h:11:
>> arch/powerpc/include/asm/cmpxchg.h:80:1: error: use of undeclared identifier 'BITS_PER_BYTE'
XCHG_GEN(u8, _local, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:22:11: note: expanded from macro 'XCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:81:1: error: use of undeclared identifier 'BITS_PER_BYTE'
XCHG_GEN(u8, _relaxed, "cc");
^
arch/powerpc/include/asm/cmpxchg.h:22:11: note: expanded from macro 'XCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:82:1: error: use of undeclared identifier 'BITS_PER_BYTE'
XCHG_GEN(u16, _local, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:22:11: note: expanded from macro 'XCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:83:1: error: use of undeclared identifier 'BITS_PER_BYTE'
XCHG_GEN(u16, _relaxed, "cc");
^
arch/powerpc/include/asm/cmpxchg.h:22:11: note: expanded from macro 'XCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:206:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u8, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:207:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u8, _local, , , "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:208:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u8, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:209:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u8, _relaxed, , , "cc");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:210:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u16, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:211:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u16, _local, , , "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:212:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u16, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
^
arch/powerpc/include/asm/cmpxchg.h:47:11: note: expanded from macro 'CMPXCHG_GEN'
bitoff = BITOFF_CAL(sizeof(type), off); \
^
arch/powerpc/include/asm/cmpxchg.h:11:61: note: expanded from macro 'BITOFF_CAL'
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
^
arch/powerpc/include/asm/cmpxchg.h:213:1: error: use of undeclared identifier 'BITS_PER_BYTE'
CMPXCHG_GEN(u16, _relaxed, , , "cc");
vim +/BITS_PER_BYTE +80 arch/powerpc/include/asm/cmpxchg.h
d0563a1297e234 Pan Xinhui 2016-04-27 72
ae3a197e3d0bfe David Howells 2012-03-28 73 /*
ae3a197e3d0bfe David Howells 2012-03-28 74 * Atomic exchange
ae3a197e3d0bfe David Howells 2012-03-28 75 *
26760fc19a7e66 Boqun Feng 2015-12-15 76 * Changes the memory location '*p' to be val and returns
ae3a197e3d0bfe David Howells 2012-03-28 77 * the previous value stored there.
ae3a197e3d0bfe David Howells 2012-03-28 78 */
26760fc19a7e66 Boqun Feng 2015-12-15 79
d0563a1297e234 Pan Xinhui 2016-04-27 @80 XCHG_GEN(u8, _local, "memory");
d0563a1297e234 Pan Xinhui 2016-04-27 81 XCHG_GEN(u8, _relaxed, "cc");
d0563a1297e234 Pan Xinhui 2016-04-27 82 XCHG_GEN(u16, _local, "memory");
d0563a1297e234 Pan Xinhui 2016-04-27 83 XCHG_GEN(u16, _relaxed, "cc");
d0563a1297e234 Pan Xinhui 2016-04-27 84
:::::: The code at line 80 was first introduced by commit
:::::: d0563a1297e234ed37f6b51c2e9321accebd1839 powerpc: Implement {cmp}xchg for u8 and u16
:::::: TO: Pan Xinhui <xinhui.pan@...ux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@...erman.id.au>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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