tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.hotplug head: 0e5de16e9e45b4d853a31761fd74ff56998169a1 commit: a819753cd02cd6d2c88f8d070f94346af5d8a0c2 [25/66] perf/x86/amd/power: Convert the hotplug notifier to state machine config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout a819753cd02cd6d2c88f8d070f94346af5d8a0c2 # save the attached .config to linux build tree make ARCH=i386
All error/warnings (new ones prefixed by >>):
arch/x86/events/amd/power.c: In function 'power_cpu_init':
>> arch/x86/events/amd/power.c:267:1: warning: no return statement in function
>> returning non-void [-Wreturn-type]
}
^
arch/x86/events/amd/power.c: In function 'amd_power_pmu_init':
>> arch/x86/events/amd/power.c:292:2: error: implicit declaration of function
>> 'cpuhp_set_state' [-Werror=implicit-function-declaration]
cpuhp_set_state(CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
^~~~~~~~~~~~~~~
>> arch/x86/events/amd/power.c:292:18: error:
>> 'CPUHP_AP_PERF_X86_AMD_POWER_ONLINE' undeclared (first use in this function)
cpuhp_set_state(CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/events/amd/power.c:292:18: note: each undeclared identifier is
reported only once for each function it appears in
>> arch/x86/events/amd/power.c:276:11: warning: unused variable 'target'
>> [-Wunused-variable]
int cpu, target, ret;
^~~~~~
>> arch/x86/events/amd/power.c:276:6: warning: unused variable 'cpu'
>> [-Wunused-variable]
int cpu, target, ret;
^~~
arch/x86/events/amd/power.c: In function 'amd_power_pmu_exit':
arch/x86/events/amd/power.c:309:29: error:
'CPUHP_AP_PERF_X86_AMD_POWER_ONLINE' undeclared (first use in this function)
cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_AMD_POWER_ONLINE);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/cpuhp_set_state +292 arch/x86/events/amd/power.c
261 * Note: if there is a CPU aside of the new one already in the
262 * sibling mask, then it is also in cpu_mask.
263 */
264 target = cpumask_any_but(topology_sibling_cpumask(cpu), cpu);
265 if (target >= nr_cpumask_bits)
266 cpumask_set_cpu(cpu, &cpu_mask);
> 267 }
268
269 static const struct x86_cpu_id cpu_match[] = {
270 { .vendor = X86_VENDOR_AMD, .family = 0x15 },
271 {},
272 };
273
274 static int __init amd_power_pmu_init(void)
275 {
> 276 int cpu, target, ret;
277
278 if (!x86_match_cpu(cpu_match))
279 return 0;
280
281 if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
282 return -ENODEV;
283
284 cpu_pwr_sample_ratio = cpuid_ecx(0x80000007);
285
286 if (rdmsrl_safe(MSR_F15H_CU_MAX_PWR_ACCUMULATOR,
&max_cu_acc_power)) {
287 pr_err("Failed to read max compute unit power
accumulator MSR\n");
288 return -ENODEV;
289 }
290
291
> 292 cpuhp_set_state(CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
293 "AP_PERF_X86_AMD_POWER_ONLINE",
294 power_cpu_init, power_cpu_exit);
295
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: Binary data
