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Message-ID: <202408300438.xObK98m5-lkp@intel.com>
Date: Fri, 30 Aug 2024 04:37:35 +0800
From: kernel test robot <lkp@...el.com>
To: Vegard Nossum <vegard.nossum@...cle.com>,
Masahiro Yamada <masahiroy@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kbuild@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-omap@...r.kernel.org, kvmarm@...ts.linux.dev,
kvm@...r.kernel.org, linux-um@...ts.infradead.org,
bpf@...r.kernel.org, llvm@...ts.linux.dev,
Vegard Nossum <vegard.nossum@...cle.com>
Subject: Re: [PATCH] kbuild: use objcopy to generate asm-offsets
Hi Vegard,
kernel test robot noticed the following build warnings:
[auto build test WARNING on masahiroy-kbuild/for-next]
[also build test WARNING on masahiroy-kbuild/fixes soc/for-next kvmarm/next kvm/queue uml/next krzk-mem-ctrl/for-next bpf-next/master bpf/master linus/master v6.11-rc5 next-20240829]
[cannot apply to tmlind-omap/for-next kvm/linux-next uml/fixes]
[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/Vegard-Nossum/kbuild-use-objcopy-to-generate-asm-offsets/20240828-163854
base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
patch link: https://lore.kernel.org/r/20240828083605.3093701-1-vegard.nossum%40oracle.com
patch subject: [PATCH] kbuild: use objcopy to generate asm-offsets
config: mips-loongson3_defconfig (https://download.01.org/0day-ci/archive/20240830/202408300438.xObK98m5-lkp@intel.com/config)
compiler: mips64el-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240830/202408300438.xObK98m5-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/202408300438.xObK98m5-lkp@intel.com/
All warnings (new ones prefixed by >>):
mips64el-linux-objcopy: /dev/stdout[.data.kbuild]: Illegal seek
In file included from include/linux/mm_types.h:18,
from include/linux/uio.h:10,
from include/linux/socket.h:8,
from include/linux/compat.h:15,
from arch/mips/kernel/asm-offsets.c:12:
include/linux/page-flags-layout.h:15:5: warning: "MAX_NR_ZONES" is not defined, evaluates to 0 [-Wundef]
15 | #if MAX_NR_ZONES < 2
| ^~~~~~~~~~~~
include/linux/page-flags-layout.h:58:19: warning: "LRU_GEN_WIDTH" is not defined, evaluates to 0 [-Wundef]
58 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_SHIFT \
| ^~~~~~~~~~~~~
include/linux/page-flags-layout.h:59:28: warning: "NR_PAGEFLAGS" is not defined, evaluates to 0 [-Wundef]
59 | <= BITS_PER_LONG - NR_PAGEFLAGS
| ^~~~~~~~~~~~
include/linux/page-flags-layout.h:93:19: warning: "LRU_GEN_WIDTH" is not defined, evaluates to 0 [-Wundef]
93 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
| ^~~~~~~~~~~~~
include/linux/page-flags-layout.h:94:64: warning: "NR_PAGEFLAGS" is not defined, evaluates to 0 [-Wundef]
94 | KASAN_TAG_WIDTH + LAST_CPUPID_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS
| ^~~~~~~~~~~~
include/linux/page-flags-layout.h:104:19: warning: "LRU_GEN_WIDTH" is not defined, evaluates to 0 [-Wundef]
104 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
| ^~~~~~~~~~~~~
include/linux/page-flags-layout.h:105:63: warning: "NR_PAGEFLAGS" is not defined, evaluates to 0 [-Wundef]
105 | KASAN_TAG_WIDTH + LAST_CPUPID_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
| ^~~~~~~~~~~~
In file included from include/linux/mm_types.h:5:
include/linux/mm_types_task.h:22:34: warning: "SPINLOCK_SIZE" is not defined, evaluates to 0 [-Wundef]
22 | #define ALLOC_SPLIT_PTLOCKS (SPINLOCK_SIZE > BITS_PER_LONG/8)
| ^~~~~~~~~~~~~
include/linux/mm_types.h:478:5: note: in expansion of macro 'ALLOC_SPLIT_PTLOCKS'
478 | #if ALLOC_SPLIT_PTLOCKS
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/dcache.h:14,
from include/linux/fs.h:8,
from include/linux/compat.h:17:
>> include/linux/lockref.h:23:36: warning: "SPINLOCK_SIZE" is not defined, evaluates to 0 [-Wundef]
23 | IS_ENABLED(CONFIG_SMP) && SPINLOCK_SIZE <= 4)
| ^~~~~~~~~~~~~
include/linux/lockref.h:27:5: note: in expansion of macro 'USE_CMPXCHG_LOCKREF'
27 | #if USE_CMPXCHG_LOCKREF
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/gfp.h:7,
from include/linux/xarray.h:16,
from include/linux/list_lru.h:14,
from include/linux/fs.h:13:
include/linux/mmzone.h:842:29: error: 'MAX_NR_ZONES' undeclared here (not in a function); did you mean 'MAX_NR_GENS'?
842 | long lowmem_reserve[MAX_NR_ZONES];
| ^~~~~~~~~~~~
| MAX_NR_GENS
include/linux/mm_types_task.h:22:34: warning: "SPINLOCK_SIZE" is not defined, evaluates to 0 [-Wundef]
22 | #define ALLOC_SPLIT_PTLOCKS (SPINLOCK_SIZE > BITS_PER_LONG/8)
| ^~~~~~~~~~~~~
include/linux/mm.h:2889:5: note: in expansion of macro 'ALLOC_SPLIT_PTLOCKS'
2889 | #if ALLOC_SPLIT_PTLOCKS
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/mips/kernel/asm-offsets.c:17:
include/linux/memcontrol.h: In function 'mem_cgroup_get_zone_lru_size':
>> include/linux/memcontrol.h:914:31: warning: parameter 'lru' set but not used [-Wunused-but-set-parameter]
914 | enum lru_list lru, int zone_idx)
| ~~~~~~~~~~~~~~^~~
>> include/linux/memcontrol.h:914:40: warning: parameter 'zone_idx' set but not used [-Wunused-but-set-parameter]
914 | enum lru_list lru, int zone_idx)
| ~~~~^~~~~~~~
make[3]: *** [scripts/Makefile.build:244: arch/mips/kernel/asm-offsets.o] Error 1
make[3]: Target 'missing-syscalls' not remade because of errors.
make[2]: *** [arch/mips/Makefile:432: archprepare] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:224: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:224: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/SPINLOCK_SIZE +23 include/linux/lockref.h
57f4257eae33e0 Peter Zijlstra 2013-11-14 20
57f4257eae33e0 Peter Zijlstra 2013-11-14 21 #define USE_CMPXCHG_LOCKREF \
57f4257eae33e0 Peter Zijlstra 2013-11-14 22 (IS_ENABLED(CONFIG_ARCH_USE_CMPXCHG_LOCKREF) && \
597d795a2a786d Kirill A. Shutemov 2013-12-20 @23 IS_ENABLED(CONFIG_SMP) && SPINLOCK_SIZE <= 4)
0f8f2aaaab0b0f Waiman Long 2013-08-28 24
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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