linux-kernel - [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable 350/9999] drivers/cpuidle/cpuidle.c:598:27: sparse: sparse: incorrect type in initializer (different address spaces)

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Message-ID: <202201221155.oQX7vOxx-lkp@intel.com>
Date:   Sat, 22 Jan 2022 11:46:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hridya Valsaraju <hridya@...gle.com>
Cc:     kbuild-all@...ts.01.org, GNU/Weeb Mailing List <gwml@...weeb.org>,
        linux-kernel@...r.kernel.org,
        Will McVicker <willmcvicker@...gle.com>
Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable
 350/9999] drivers/cpuidle/cpuidle.c:598:27: sparse: sparse: incorrect type
 in initializer (different address spaces)

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable
head:   90a691fca4c2525068d9908ac203e9f09e4e33c0
commit: 02f88aaaac53929e0cf4fe50f807cdea4b9e224d [350/9999] ANDROID: GKI: Export symbols arm_cpuidle_suspend, cpuidle_dev and cpuidle_register_governor
config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220122/202201221155.oQX7vOxx-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/ammarfaizi2/linux-block/commit/02f88aaaac53929e0cf4fe50f807cdea4b9e224d
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable
        git checkout 02f88aaaac53929e0cf4fe50f807cdea4b9e224d
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/cpuidle/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/cpuidle/cpuidle.c:598:27: 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: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@...aro.org>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org