[zen:6.6/prjc 328/451] kernel/sched/cputime.c:256:24: error: use of undeclared identifier 'paravirt_steal_enabled'

[kernel test robot <lkp@intel.com>]

Hi Alfred,

First bad commit (maybe != root cause):

tree:   https://github.com/zen-kernel/zen-kernel 6.6/prjc
head:   cd5cdcc083d7742287cac8eccee909e4b5a5c9e0
commit: d13019a47dac67a56620a6406b7639ed0ce74a4e [328/451] sched/alt: Headers cleanup
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20231122/202311221323.JnMuESS7-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311221323.JnMuESS7-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/202311221323.JnMuESS7-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/sched/build_policy.c:56:
>> kernel/sched/cputime.c:256:24: error: use of undeclared identifier 'paravirt_steal_enabled'
     256 |         if (static_key_false(&paravirt_steal_enabled)) {
         |                               ^
>> kernel/sched/cputime.c:259:11: error: call to undeclared function 'paravirt_steal_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     259 |                 steal = paravirt_steal_clock(smp_processor_id());
         |                         ^
   2 errors generated.


vim +/paravirt_steal_enabled +256 kernel/sched/cputime.c

1fcf54deb767d4 Josh Don            2022-06-29  247  
03cbc732639ddc Wanpeng Li          2016-08-17  248  /*
03cbc732639ddc Wanpeng Li          2016-08-17  249   * When a guest is interrupted for a longer amount of time, missed clock
03cbc732639ddc Wanpeng Li          2016-08-17  250   * ticks are not redelivered later. Due to that, this function may on
03cbc732639ddc Wanpeng Li          2016-08-17  251   * occasion account more time than the calling functions think elapsed.
03cbc732639ddc Wanpeng Li          2016-08-17  252   */
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  253  static __always_inline u64 steal_account_process_time(u64 maxtime)
73fbec604432e1 Frederic Weisbecker 2012-06-16  254  {
73fbec604432e1 Frederic Weisbecker 2012-06-16  255  #ifdef CONFIG_PARAVIRT
73fbec604432e1 Frederic Weisbecker 2012-06-16 @256  	if (static_key_false(&paravirt_steal_enabled)) {
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  257  		u64 steal;
73fbec604432e1 Frederic Weisbecker 2012-06-16  258  
73fbec604432e1 Frederic Weisbecker 2012-06-16 @259  		steal = paravirt_steal_clock(smp_processor_id());
73fbec604432e1 Frederic Weisbecker 2012-06-16  260  		steal -= this_rq()->prev_steal_time;
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  261  		steal = min(steal, maxtime);
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  262  		account_steal_time(steal);
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  263  		this_rq()->prev_steal_time += steal;
73fbec604432e1 Frederic Weisbecker 2012-06-16  264  
2b1f967d80e8e5 Frederic Weisbecker 2017-01-31  265  		return steal;
73fbec604432e1 Frederic Weisbecker 2012-06-16  266  	}
73fbec604432e1 Frederic Weisbecker 2012-06-16  267  #endif
807e5b80687c06 Wanpeng Li          2016-06-13  268  	return 0;
73fbec604432e1 Frederic Weisbecker 2012-06-16  269  }
73fbec604432e1 Frederic Weisbecker 2012-06-16  270  

:::::: The code at line 256 was first introduced by commit
:::::: 73fbec604432e1fbfeb1bc59a110dac1f98160f6 sched: Move cputime code to its own file

:::::: TO: Frederic Weisbecker <fweisbec@gmail.com>
:::::: CC: Frederic Weisbecker <fweisbec@gmail.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki