tree: https://android.googlesource.com/kernel/common android-4.19-stable head: 7b7aa234a0ec108e35c6e500b38f66756e6d2017 commit: 02f88aaaac53929e0cf4fe50f807cdea4b9e224d [15111/24081] ANDROID: GKI: Export symbols arm_cpuidle_suspend, cpuidle_dev and cpuidle_register_governor config: x86_64-randconfig-s021-20211124 (https://download.01.org/0day-ci/archive/20211124/202111241933.hA3dVsEF-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android-4.19-stable git checkout 02f88aaaac53929e0cf4fe50f807cdea4b9e224d # save the config file to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/cpuidle/cpuidle.c:598:27: sparse: expected void const [noderef] <asn:3> *__vpp_verify drivers/cpuidle/cpuidle.c:598:27: sparse: got struct cpuidle_device * drivers/cpuidle/cpuidle.c:630:27: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3> *__vpp_verify @@ got struct cpuidle_device * @@ drivers/cpuidle/cpuidle.c:630:27: sparse: expected void const [noderef] <asn:3> *__vpp_verify drivers/cpuidle/cpuidle.c:630:27: sparse: got struct cpuidle_device * vim +598 drivers/cpuidle/cpuidle.c 4f86d3a8e29720 Len Brown 2007-10-03 584 1c192d047a0ddc Daniel Lezcano 2013-04-23 585 /** 4c637b2175a0dc Daniel Lezcano 2013-04-23 586 * cpuidle_unregister: unregister a driver and the devices. This function 4c637b2175a0dc Daniel Lezcano 2013-04-23 587 * can be used only if the driver has been previously registered through 4c637b2175a0dc Daniel Lezcano 2013-04-23 588 * the cpuidle_register function. 4c637b2175a0dc Daniel Lezcano 2013-04-23 589 * 4c637b2175a0dc Daniel Lezcano 2013-04-23 590 * @drv: a valid pointer to a struct cpuidle_driver 4c637b2175a0dc Daniel Lezcano 2013-04-23 591 */ 4c637b2175a0dc Daniel Lezcano 2013-04-23 592 void cpuidle_unregister(struct cpuidle_driver *drv) 4c637b2175a0dc Daniel Lezcano 2013-04-23 593 { 4c637b2175a0dc Daniel Lezcano 2013-04-23 594 int cpu; 4c637b2175a0dc Daniel Lezcano 2013-04-23 595 struct cpuidle_device *device; 4c637b2175a0dc Daniel Lezcano 2013-04-23 596 82467a5a885ddd Daniel Lezcano 2013-06-07 597 for_each_cpu(cpu, drv->cpumask) { 4c637b2175a0dc Daniel Lezcano 2013-04-23 @598 device = &per_cpu(cpuidle_dev, cpu); 4c637b2175a0dc Daniel Lezcano 2013-04-23 599 cpuidle_unregister_device(device); 4c637b2175a0dc Daniel Lezcano 2013-04-23 600 } 4c637b2175a0dc Daniel Lezcano 2013-04-23 601 4c637b2175a0dc Daniel Lezcano 2013-04-23 602 cpuidle_unregister_driver(drv); 4c637b2175a0dc Daniel Lezcano 2013-04-23 603 } 4c637b2175a0dc Daniel Lezcano 2013-04-23 604 EXPORT_SYMBOL_GPL(cpuidle_unregister); 4c637b2175a0dc Daniel Lezcano 2013-04-23 605 :::::: The code at line 598 was first introduced by commit :::::: 4c637b2175a0dc65d533494225525c6c82d73293 cpuidle: make a single register function for all :::::: TO: Daniel Lezcano <daniel.lezcano(a)linaro.org&gt; :::::: CC: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org