linux-kernel - [tip:sched/core 69/70] drivers/cpufreq/cppc_cpufreq.c:227:20: error: use of undeclared identifier 'NSER_PER

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <202409110611.dmyDCkoe-lkp@intel.com>
Date: Wed, 11 Sep 2024 06:20:36 +0800
From: kernel test robot <lkp@...el.com>
To: Christian Loehle <christian.loehle@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	x86@...nel.org, Peter Zijlstra <peterz@...radead.org>
Subject: [tip:sched/core 69/70] drivers/cpufreq/cppc_cpufreq.c:227:20: error:
 use of undeclared identifier 'NSER_PER_MSEC'

Hi Christian,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
head:   6cbbb91711c6b17da3802a3cf072d3311828ca33
commit: b3a47ff095544af206b8885391a7bad662d06a57 [69/70] cpufreq/cppc: Use NSEC_PER_MSEC for deadline task
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20240911/202409110611.dmyDCkoe-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bf684034844c660b778f0eba103582f582b710c9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409110611.dmyDCkoe-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409110611.dmyDCkoe-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/cpufreq/cppc_cpufreq.c:227:20: error: use of undeclared identifier 'NSER_PER_MSEC'
     227 |                 .sched_runtime  = NSER_PER_MSEC,
         |                                   ^
>> drivers/cpufreq/cppc_cpufreq.c:229:3: error: member reference base type 'long' is not a structure or union
     228 |                 .sched_deadline = 10 * NSEC_PER_MSEC
         |                                        ~~~~~~~~~~~~~
     229 |                 .sched_period   = 10 * NSEC_PER_MSEC,
         |                 ^~~~~~~~~~~~~
   2 errors generated.


vim +/NSER_PER_MSEC +227 drivers/cpufreq/cppc_cpufreq.c

   215	
   216	static void __init cppc_freq_invariance_init(void)
   217	{
   218		struct sched_attr attr = {
   219			.size		= sizeof(struct sched_attr),
   220			.sched_policy	= SCHED_DEADLINE,
   221			.sched_nice	= 0,
   222			.sched_priority	= 0,
   223			/*
   224			 * Fake (unused) bandwidth; workaround to "fix"
   225			 * priority inheritance.
   226			 */
 > 227			.sched_runtime	= NSER_PER_MSEC,
   228			.sched_deadline = 10 * NSEC_PER_MSEC
 > 229			.sched_period	= 10 * NSEC_PER_MSEC,
   230		};
   231		int ret;
   232	
   233		if (fie_disabled != FIE_ENABLED && fie_disabled != FIE_DISABLED) {
   234			fie_disabled = FIE_ENABLED;
   235			if (cppc_perf_ctrs_in_pcc()) {
   236				pr_info("FIE not enabled on systems with registers in PCC\n");
   237				fie_disabled = FIE_DISABLED;
   238			}
   239		}
   240	
   241		if (fie_disabled)
   242			return;
   243	
   244		kworker_fie = kthread_create_worker(0, "cppc_fie");
   245		if (IS_ERR(kworker_fie)) {
   246			pr_warn("%s: failed to create kworker_fie: %ld\n", __func__,
   247				PTR_ERR(kworker_fie));
   248			fie_disabled = FIE_DISABLED;
   249			return;
   250		}
   251	
   252		ret = sched_setattr_nocheck(kworker_fie->task, &attr);
   253		if (ret) {
   254			pr_warn("%s: failed to set SCHED_DEADLINE: %d\n", __func__,
   255				ret);
   256			kthread_destroy_worker(kworker_fie);
   257			fie_disabled = FIE_DISABLED;
   258		}
   259	}
   260	

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