* [thomas-weissschuh:b4/riscv-vdso32-alternative 5/9] arch/riscv/kernel/vdso.c:78:53: error: use of undeclared identifier '__vdso_futex_list64_try_unlock_cs_lrsc_start_offset'
@ 2026-06-30 10:53 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-06-30 10:53 UTC (permalink / raw)
To: Nam Cao; +Cc: llvm, oe-kbuild-all, Thomas Weißschuh
tree: https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/riscv-vdso32-alternative
head: a8d7e9eb82942f57e8a56aa6f2189a32ddf87667
commit: 10cd4cf20d3d92532485e3f0384e61abc90d6c54 [5/9] riscv: vdso: Implement __vdso_futex_robust_try_unlock()
config: riscv-randconfig-001-20260630 (https://download.01.org/0day-ci/archive/20260630/202606301855.WvkSC4kD-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 6cc609bb250b21b47fc7d394b4019101e9983597)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260630/202606301855.WvkSC4kD-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/202606301855.WvkSC4kD-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/riscv/kernel/vdso.c:78:53: error: use of undeclared identifier '__vdso_futex_list64_try_unlock_cs_lrsc_start_offset'
78 | FUTEX_SET_VDSO_CS_RANGE(vdso, fd, 0, __riscv_xlen, __VDSO_SYMBOL);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
arch/riscv/kernel/vdso.c:56:16: note: expanded from macro 'FUTEX_SET_VDSO_CS_RANGE'
56 | void *start = symbol(vdso, CONCAT3(futex_list, xlen, _try_unlock_cs_lrsc_start)); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/kernel/vdso.c:68:36: note: expanded from macro '__VDSO_SYMBOL'
68 | #define __VDSO_SYMBOL(vdso, name) VDSO_SYMBOL(vdso, name)
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/vdso.h:35:45: note: expanded from macro 'VDSO_SYMBOL'
35 | ((void __user *)((unsigned long)(base) + __vdso_##name##_offset))
| ^~~~~~~~~~~~~~~~~~~~~~
<scratch space>:128:1: note: expanded from here
128 | __vdso_futex_list64_try_unlock_cs_lrsc_start_offset
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/kernel/vdso.c:78:53: error: use of undeclared identifier '__vdso_futex_list64_try_unlock_cs_lrsc_end_offset'
78 | FUTEX_SET_VDSO_CS_RANGE(vdso, fd, 0, __riscv_xlen, __VDSO_SYMBOL);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
arch/riscv/kernel/vdso.c:57:16: note: expanded from macro 'FUTEX_SET_VDSO_CS_RANGE'
57 | void *end = symbol(vdso, CONCAT3(futex_list, xlen, _try_unlock_cs_lrsc_end)); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/kernel/vdso.c:68:36: note: expanded from macro '__VDSO_SYMBOL'
68 | #define __VDSO_SYMBOL(vdso, name) VDSO_SYMBOL(vdso, name)
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/vdso.h:35:45: note: expanded from macro 'VDSO_SYMBOL'
35 | ((void __user *)((unsigned long)(base) + __vdso_##name##_offset))
| ^~~~~~~~~~~~~~~~~~~~~~
<scratch space>:132:1: note: expanded from here
132 | __vdso_futex_list64_try_unlock_cs_lrsc_end_offset
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
vim +/__vdso_futex_list64_try_unlock_cs_lrsc_start_offset +78 arch/riscv/kernel/vdso.c
70
71 static void vdso_futex_robust_unlock_update_ips(void)
72 {
73 unsigned long vdso = (unsigned long) current->mm->context.vdso;
74 struct futex_mm_data *fd = ¤t->mm->futex;
75
76 futex_reset_cs_ranges(fd);
77
> 78 FUTEX_SET_VDSO_CS_RANGE(vdso, fd, 0, __riscv_xlen, __VDSO_SYMBOL);
79
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-06-30 10:53 [thomas-weissschuh:b4/riscv-vdso32-alternative 5/9] arch/riscv/kernel/vdso.c:78:53: error: use of undeclared identifier '__vdso_futex_list64_try_unlock_cs_lrsc_start_offset' kernel test robot
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