[tip:sched/core 69/70] drivers/cpufreq/cppc_cpufreq.c:227:20: error: use of undeclared identifier 'NSER_PER_MSEC'
From: kernel test robot
Date: Tue Sep 10 2024 - 18:21:42 EST
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@xxxxxxxxx/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@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/202409110611.dmyDCkoe-lkp@xxxxxxxxx/
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
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