* Re: [PATCH v2 2/3] riscv: introduce percpu.h into include/asm
[not found] <20251208034944.73113-3-cuiyunhui@bytedance.com>
@ 2025-12-09 3:55 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-12-09 3:55 UTC (permalink / raw)
To: Yunhui Cui, aou, alex, andii, andybnac, apatel, ast, ben.dooks,
bjorn, bpf, charlie, cl, conor.dooley, cyrilbur, daniel, debug,
dennis, eddyz87, haoluo, john.fastabend, jolsa, kpsingh,
linux-kernel, linux-mm, linux-riscv, linux, martin.lau, palmer,
pjw, puranjay
Cc: llvm, oe-kbuild-all
Hi Yunhui,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master]
[also build test ERROR on v6.18 next-20251209]
[cannot apply to bpf-next/net bpf-next/master bpf/master]
[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/Yunhui-Cui/riscv-remove-irqflags-h-inclusion-in-asm-bitops-h/20251208-115407
base: linus/master
patch link: https://lore.kernel.org/r/20251208034944.73113-3-cuiyunhui%40bytedance.com
patch subject: [PATCH v2 2/3] riscv: introduce percpu.h into include/asm
config: riscv-randconfig-002-20251209 (https://download.01.org/0day-ci/archive/20251209/202512091137.3Qw1dX94-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251209/202512091137.3Qw1dX94-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/202512091137.3Qw1dX94-lkp@intel.com/
All errors (new ones prefixed by >>):
>> mm/slub.c:4380:9: error: call to undeclared function 'arch_cmpxchg128_local'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4380 | return this_cpu_try_cmpxchg_freelist(s->cpu_slab->freelist_tid,
| ^
mm/slab.h:24:39: note: expanded from macro 'this_cpu_try_cmpxchg_freelist'
24 | #define this_cpu_try_cmpxchg_freelist this_cpu_try_cmpxchg128
| ^
include/asm-generic/percpu.h:529:47: note: expanded from macro 'this_cpu_try_cmpxchg128'
529 | __cpu_fallback_try_cmpxchg(pcp, ovalp, nval, this_cpu_cmpxchg128)
| ^
1 error generated.
vim +/arch_cmpxchg128_local +4380 mm/slub.c
0b303fb402862d Vlastimil Babka 2021-05-08 4371
6801be4f2653e5 Peter Zijlstra 2023-05-31 4372 static inline bool
6801be4f2653e5 Peter Zijlstra 2023-05-31 4373 __update_cpu_freelist_fast(struct kmem_cache *s,
6801be4f2653e5 Peter Zijlstra 2023-05-31 4374 void *freelist_old, void *freelist_new,
6801be4f2653e5 Peter Zijlstra 2023-05-31 4375 unsigned long tid)
6801be4f2653e5 Peter Zijlstra 2023-05-31 4376 {
b244358e9a1cd6 Vlastimil Babka 2025-11-07 4377 struct freelist_tid old = { .freelist = freelist_old, .tid = tid };
b244358e9a1cd6 Vlastimil Babka 2025-11-07 4378 struct freelist_tid new = { .freelist = freelist_new, .tid = next_tid(tid) };
6801be4f2653e5 Peter Zijlstra 2023-05-31 4379
b244358e9a1cd6 Vlastimil Babka 2025-11-07 @4380 return this_cpu_try_cmpxchg_freelist(s->cpu_slab->freelist_tid,
b244358e9a1cd6 Vlastimil Babka 2025-11-07 4381 &old.freelist_tid, new.freelist_tid);
6801be4f2653e5 Peter Zijlstra 2023-05-31 4382 }
6801be4f2653e5 Peter Zijlstra 2023-05-31 4383
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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