Re: [PATCH] x86/tsc: Disable clocksource watchdog for TSC on recent UV

From: kernel test robot
Date: Thu Jul 31 2025 - 05:02:40 EST


Hi Dimitri,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on tip/master linus/master v6.16 next-20250731]
[cannot apply to tip/auto-latest]
[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/Dimitri-Sivanich/x86-tsc-Disable-clocksource-watchdog-for-TSC-on-recent-UV/20250731-053059
base: tip/x86/core
patch link: https://lore.kernel.org/r/aIqKYdvlKlBlSoQK%40hpe.com
patch subject: [PATCH] x86/tsc: Disable clocksource watchdog for TSC on recent UV
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20250731/202507311627.rt0PViwZ-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250731/202507311627.rt0PViwZ-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507311627.rt0PViwZ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __uv_cpu_info
>>> referenced by tsc.c
>>> arch/x86/kernel/tsc.o:(check_system_tsc_reliable) in archive vmlinux.a

--
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