[tglx-devel:timers/cleanup 58/59] arch/x86/kernel/apic/hw_nmi.c:29:15: error: use of undeclared identifier 'cpu_khz'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git timers/cleanup
head:   0ad363c8e014568032d53fe2c7ab288de68373f4
commit: 27019f00127af90a16c3b8c54e976cdc8a711b0a [58/59] x86: Select ARCH_HAS_RANDOM_ENTROPY
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260712/[email protected]/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260712/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

>> arch/x86/kernel/apic/hw_nmi.c:29:15: error: use of undeclared identifier 'cpu_khz'
      29 |         return (u64)(cpu_khz) * 1000 * watchdog_thresh;
         |                      ^~~~~~~
   1 error generated.


vim +/cpu_khz +29 arch/x86/kernel/apic/hw_nmi.c

28b8235238fa39 Dave Hansen          2023-08-09  25  
05a4a95279311c Nicholas Piggin      2017-07-12  26  #ifdef CONFIG_HARDLOCKUP_DETECTOR_PERF
4eec42f3920430 Mandeep Singh Baines 2011-05-22  27  u64 hw_nmi_get_sample_period(int watchdog_thresh)
504d7cf10ee42b Don Zickus           2010-02-12  28  {
4eec42f3920430 Mandeep Singh Baines 2011-05-22 @29  	return (u64)(cpu_khz) * 1000 * watchdog_thresh;
504d7cf10ee42b Don Zickus           2010-02-12  30  }
5f2b0ba4d94b3a Don Zickus           2010-11-12  31  #endif
504d7cf10ee42b Don Zickus           2010-02-12  32  

:::::: The code at line 29 was first introduced by commit
:::::: 4eec42f392043063d0f019640b4ccc2a45570002 watchdog: Change the default timeout and configure nmi watchdog period based on watchdog_thresh

:::::: TO: Mandeep Singh Baines <[email protected]>
:::::: CC: Ingo Molnar <[email protected]>

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