[kbuild-all] Re: [PATCH 2/2] sched/uclamp: Protect uclamp fast path code with static key

Hi Qais, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/sched/core] [also build test WARNING on tip/auto-latest linux/master linus/master v5.8-rc1 next-20200618] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Qais-Yousef/sched-Optionally-ski... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 87e867b4269f29dac8190bca13912d08163a277f config: x86_64-randconfig-s031-20200618 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-rc1-10-gc17b1b06-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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 >>) kernel/sched/core.c:514:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:514:38: sparse: expected struct task_struct *curr kernel/sched/core.c:514:38: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:569:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/core.c:569:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:569:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/core.c:1486:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:1486:33: sparse: expected struct task_struct *p kernel/sched/core.c:1486:33: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:1486:68: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:1486:68: sparse: expected struct task_struct *tsk kernel/sched/core.c:1486:68: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:2230:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/core.c:2230:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:2230:17: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/core.c:2396:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:2396:36: sparse: expected struct task_struct const *p kernel/sched/core.c:2396:36: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:3704:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:3704:38: sparse: expected struct task_struct *curr kernel/sched/core.c:3704:38: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:3789:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:3789:14: sparse: expected struct task_struct *curr kernel/sched/core.c:3789:14: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:4137:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:4137:14: sparse: expected struct task_struct *prev kernel/sched/core.c:4137:14: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:4560:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:4560:17: sparse: struct task_struct * kernel/sched/core.c:4560:17: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/core.c:4759:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:4759:22: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/core.c:4759:22: sparse: struct task_struct * kernel/sched/core.c:8068:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/core.c:8068:25: sparse: expected struct task_struct *p kernel/sched/core.c:8068:25: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/pelt.h:85:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/pelt.h:85:13: sparse: expected struct task_struct const *p kernel/sched/pelt.h:85:13: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/core.c:1469:33: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1470:19: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1473:40: sparse: sparse: dereference of noderef expression kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1672:25: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1672:25: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1824:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1824:9: sparse: struct task_struct * kernel/sched/core.c:1442:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:1442:38: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/core.c:1442:38: sparse: struct task_struct const * kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1672:25: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1672:25: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1672:25: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1672:25: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1824:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1824:9: sparse: struct task_struct * kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1672:25: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1672:25: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1824:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1824:9: sparse: struct task_struct * kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1672:25: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1672:25: sparse: struct task_struct * kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1818:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1818:9: sparse: struct task_struct * kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1824:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1824:9: sparse: struct task_struct * Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org