Hi Zhenzhong, Thank you for the patch! Yet something to improve:
[auto build test ERROR on pm/linux-next] [cannot apply to v5.4-rc2 next-20191011] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Zhenzhong-Duan/cpuidle-cpu-hotplug-support/20191014-000932 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: mips-allmodconfig (attached as .config) compiler: mips-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): drivers/cpuidle/cpuidle.c: In function 'cpuidle_cpu_online': >> drivers/cpuidle/cpuidle.c:580:6: error: 'coupled_cpus' undeclared (first use >> in this function); did you mean 'total_cpus'? if (coupled_cpus) ^~~~~~~~~~~~ total_cpus drivers/cpuidle/cpuidle.c:580:6: note: each undeclared identifier is reported only once for each function it appears in vim +580 drivers/cpuidle/cpuidle.c 560 561 static int cpuidle_cpu_online(unsigned int cpu) 562 { 563 int ret; 564 struct cpuidle_device *device; 565 struct cpuidle_driver *drv; 566 567 device = &per_cpu(cpuidle_dev, cpu); 568 device->cpu = cpu; 569 570 drv = cpuidle_get_cpu_driver(device); 571 if (!drv || !cpumask_test_cpu(cpu, drv->cpumask)) 572 return 0; 573 574 #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED 575 /* 576 * On multiplatform for ARM, the coupled idle states could be 577 * enabled in the kernel even if the cpuidle driver does not 578 * use it. Note, coupled_cpus is a struct copy. 579 */ > 580 if (coupled_cpus) 581 device->coupled_cpus = *coupled_cpus; 582 #endif 583 ret = cpuidle_register_device(device); 584 if (ret) 585 pr_err("Failed to register cpuidle device for cpu%d\n", cpu); 586 587 return ret; 588 } 589 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
