Messages in this thread | | | Date | Thu, 24 Feb 2022 07:01:41 +0800 | From | kernel test robot <> | Subject | [mingo-tip:sched/headers 13/2340] include/linux/rcupdate.h:414:36: error: dereferencing pointer to incomplete type 'struct css_set' |
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers head: 97c5eeb4de3ad324ed2a4656b46465299cfd010a commit: c4ad6fcb67c42d65481c85733c8009c8afdfdf4e [13/2340] sched/headers: Reorganize, clean up and optimize kernel/sched/fair.c dependencies config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220224/202202240645.bKyoBrpQ-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=c4ad6fcb67c42d65481c85733c8009c8afdfdf4e git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip sched/headers git checkout c4ad6fcb67c42d65481c85733c8009c8afdfdf4e # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
Note: the mingo-tip/sched/headers HEAD 97c5eeb4de3ad324ed2a4656b46465299cfd010a builds fine. It only hurts bisectability.
All errors (new ones prefixed by >>):
In file included from ./arch/x86/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:255, from include/linux/export.h:43, from include/linux/linkage.h:7, from include/linux/kernel.h:17, from include/linux/cpumask.h:10, from include/linux/energy_model.h:4, from kernel/sched/fair.c:23: include/linux/psi.h: In function 'cgroup_move_task': >> include/linux/rcupdate.h:414:36: error: dereferencing pointer to incomplete type 'struct css_set' 414 | #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) | ^~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' 55 | *(volatile typeof(x) *)&(x) = (val); \ | ^~~ arch/x86/include/asm/barrier.h:67:2: note: in expansion of macro 'WRITE_ONCE' 67 | WRITE_ONCE(*p, v); \ | ^~~~~~~~~~ include/asm-generic/barrier.h:164:55: note: in expansion of macro '__smp_store_release' 164 | #define smp_store_release(p, v) do { kcsan_release(); __smp_store_release(p, v); } while (0) | ^~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:455:3: note: in expansion of macro 'smp_store_release' 455 | smp_store_release(&p, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \ | ^~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:455:25: note: in expansion of macro 'RCU_INITIALIZER' 455 | smp_store_release(&p, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \ | ^~~~~~~~~~~~~~~ include/linux/psi.h:58:2: note: in expansion of macro 'rcu_assign_pointer' 58 | rcu_assign_pointer(p->cgroups, to); | ^~~~~~~~~~~~~~~~~~ In file included from kernel/sched/fair.c:52: kernel/sched/sched.h: In function 'sched_core_account_forceidle': kernel/sched/sched.h:1934:6: error: implicit declaration of function 'schedstat_enabled'; did you mean 'sched_core_enabled'? [-Werror=implicit-function-declaration] 1934 | if (schedstat_enabled()) | ^~~~~~~~~~~~~~~~~ | sched_core_enabled kernel/sched/fair.c: At top level: kernel/sched/fair.c:11136:6: warning: no previous prototype for 'task_vruntime_update' [-Wmissing-prototypes] 11136 | void task_vruntime_update(struct rq *rq, struct task_struct *p, bool in_fi) | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors
vim +414 include/linux/rcupdate.h
ca5ecddfa8fcbd Paul E. McKenney 2010-04-28 409 462225ae47d717 Paul E. McKenney 2013-11-11 410 /** 462225ae47d717 Paul E. McKenney 2013-11-11 411 * RCU_INITIALIZER() - statically initialize an RCU-protected global variable 462225ae47d717 Paul E. McKenney 2013-11-11 412 * @v: The value to statically initialize with. 462225ae47d717 Paul E. McKenney 2013-11-11 413 */ 462225ae47d717 Paul E. McKenney 2013-11-11 @414 #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) 462225ae47d717 Paul E. McKenney 2013-11-11 415
:::::: The code at line 414 was first introduced by commit :::::: 462225ae47d7175f886281d8a91708550cd5178c rcu: Add an RCU_INITIALIZER for global RCU-protected pointers
:::::: TO: Paul E. McKenney <paulmck@linux.vnet.ibm.com> :::::: CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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