From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:android17-6.18-kminext 1/1] kernel/sched/rt.c:1655:45: sparse: sparse: incorrect type in argument 2 (different address spaces)
Date: Fri, 03 Jul 2026 11:20:34 +0800 [thread overview]
Message-ID: <202607031125.epO7Q8C9-lkp@intel.com> (raw)
Hi Tiffany,
First bad commit (maybe != root cause):
tree: https://android.googlesource.com/kernel/common android17-6.18-kminext
head: 005764abb0daff6b6c529f8e94989d90d8106a08
commit: a18faab7e7d04a637603ae34a4cc2376cd10b8eb [1/1] ANDROID: sched: remove SMP-related ifdefs around proxy_exec fns
config: i386-randconfig-r112-20260702 (https://download.01.org/0day-ci/archive/20260703/202607031125.epO7Q8C9-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260703/202607031125.epO7Q8C9-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607031125.epO7Q8C9-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:2488:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:2488:25: sparse: struct task_struct *
kernel/sched/rt.c:2488:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:985:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:985:39: sparse: expected struct task_struct *donor
kernel/sched/rt.c:985:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1525:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1525:31: sparse: expected struct task_struct *p
kernel/sched/rt.c:1525:31: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1917:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/rt.c:1917:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/rt.c:1917:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/rt.c:1575:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/rt.c:1575:14: sparse: expected struct task_struct *curr
kernel/sched/rt.c:1575:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/rt.c:1576:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/rt.c:1576:15: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1576:15: sparse: got struct task_struct [noderef] __rcu *
>> kernel/sched/rt.c:1655:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *sched_ctx @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1655:45: sparse: expected struct task_struct *sched_ctx
kernel/sched/rt.c:1655:45: sparse: got struct task_struct [noderef] __rcu *donor
>> kernel/sched/rt.c:1655:56: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct task_struct *exec_ctx @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:1655:56: sparse: expected struct task_struct *exec_ctx
kernel/sched/rt.c:1655:56: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:1686:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1686:35: sparse: expected struct task_struct *p
kernel/sched/rt.c:1686:35: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1712:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1712:39: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1712:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1731:64: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:1731:64: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:1731:64: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2167:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *sched_ctx @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:2167:40: sparse: expected struct task_struct *sched_ctx
kernel/sched/rt.c:2167:40: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:2167:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *exec_ctx @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2167:51: sparse: expected struct task_struct *exec_ctx
kernel/sched/rt.c:2167:51: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2190:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:2190:13: sparse: struct task_struct *
kernel/sched/rt.c:2190:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:2539:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2539:54: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:2539:54: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2541:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:2541:40: sparse: expected struct task_struct *p
kernel/sched/rt.c:2541:40: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:2541:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:2541:62: sparse: expected struct task_struct *p
kernel/sched/rt.c:2541:62: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2751:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2751:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2751:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2761:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2761:13: sparse: struct task_struct *
kernel/sched/deadline.c:2761:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2867:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2867:25: sparse: struct task_struct *
kernel/sched/deadline.c:2867:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2307:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:2307:42: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2307:42: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2317:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2317:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2317:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1194:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:1194:39: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1194:39: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1194:85: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:1194:85: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1194:85: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1292:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:1292:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1292:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:1590:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:1590:31: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1590:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1590:70: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:1590:70: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1590:70: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1703:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:1703:39: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:1703:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2526:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/deadline.c:2526:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/deadline.c:2526:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/deadline.c:2181:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2181:14: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:2181:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2182:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2182:15: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:2182:15: sparse: got struct task_struct [noderef] __rcu *
>> kernel/sched/deadline.c:2259:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *sched_ctx @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2259:43: sparse: expected struct task_struct *sched_ctx
kernel/sched/deadline.c:2259:43: sparse: got struct task_struct [noderef] __rcu *donor
>> kernel/sched/deadline.c:2259:54: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct task_struct *exec_ctx @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2259:54: sparse: expected struct task_struct *exec_ctx
kernel/sched/deadline.c:2259:54: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2283:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2283:35: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2283:35: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2912:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2912:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2912:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2914:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2914:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2914:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2916:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:2916:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2916:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3110:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3110:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3110:23: sparse: struct task_struct *
kernel/sched/deadline.c:3156:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:210:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/syscalls.c:210:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/syscalls.c:210:22: sparse: struct task_struct *
kernel/sched/syscalls.c:1464:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/syscalls.c:1464:22: sparse: expected struct task_struct *curr
kernel/sched/syscalls.c:1464:22: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2509:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2509:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2509:9: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2509:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2509:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2509:9: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1316:6: sparse: sparse: context imbalance in 'sched_getaffinity' - different lock contexts for basic block
kernel/sched/syscalls.c:1386:15: sparse: sparse: dereference of noderef expression
kernel/sched/syscalls.c:1387:19: sparse: sparse: dereference of noderef expression
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1755:15: sparse: sparse: dereference of noderef expression
--
kernel/sched/core.c:4243:29: sparse: got struct rq *
kernel/sched/core.c:4335:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4335:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4335:25: sparse: got struct rq *
kernel/sched/core.c:4383:31: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4383:31: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4383:31: sparse: got struct rq *
kernel/sched/core.c:4399:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4399:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4399:25: sparse: got struct rq *
kernel/sched/core.c:4411:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4411:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4411:25: sparse: got struct rq *
kernel/sched/core.c:4416:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:4416:36: sparse: expected struct task_struct const *p
kernel/sched/core.c:4416:36: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:4520:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4520:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4520:25: sparse: got struct rq *
kernel/sched/core.c:4858:45: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4858:45: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4858:45: sparse: got struct rq *
kernel/sched/core.c:4879:34: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4879:34: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4879:34: sparse: got struct rq *
kernel/sched/core.c:4983:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4983:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4983:25: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:4989:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:4989:13: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:4989:13: sparse: got struct rq *
kernel/sched/core.c:5781:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:5781:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:5781:25: sparse: got struct rq *
kernel/sched/core.c:5972:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:5972:24: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:5972:24: sparse: got struct rq *
kernel/sched/core.c:5993:16: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:5993:16: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:5993:16: sparse: got struct rq *
kernel/sched/core.c:5999:16: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:5999:16: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:5999:16: sparse: got struct rq *
kernel/sched/core.c:6008:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:6008:24: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:6008:24: sparse: got struct rq *
kernel/sched/core.c:6022:29: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:6022:29: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:6022:29: sparse: got struct rq *
kernel/sched/core.c:6212:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:6212:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:6212:25: sparse: got struct rq *
kernel/sched/core.c:6225:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:6225:15: sparse: expected struct task_struct *donor
kernel/sched/core.c:6225:15: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7702:14: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:7702:14: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:7702:14: sparse: got struct rq *
kernel/sched/core.c:7703:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:7703:14: sparse: expected struct task_struct *prev
kernel/sched/core.c:7703:14: sparse: got struct task_struct [noderef] __rcu *curr
>> kernel/sched/core.c:7780:53: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7780:53: sparse: expected struct task_struct *donor
kernel/sched/core.c:7780:53: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7780:85: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7780:85: sparse: expected struct task_struct *p
kernel/sched/core.c:7780:85: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7785:58: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7785:58: sparse: expected struct task_struct *donor
kernel/sched/core.c:7785:58: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7785:90: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7785:90: sparse: expected struct task_struct *p
kernel/sched/core.c:7785:90: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7789:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7789:48: sparse: expected struct task_struct *donor
kernel/sched/core.c:7789:48: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:7791:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/core.c:7791:45: sparse: expected struct task_struct *donor
kernel/sched/core.c:7791:45: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:8302:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:8302:17: sparse: struct task_struct *
kernel/sched/core.c:8302:17: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:8901:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:8901:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:8901:25: sparse: got struct rq *
kernel/sched/core.c:9324:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:9324:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:9324:25: sparse: got struct rq *
kernel/sched/core.c:9362:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:9362:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:9362:25: sparse: got struct rq *
kernel/sched/core.c:9422:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:9422:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:9422:25: sparse: got struct rq *
kernel/sched/core.c:9643:22: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:9643:22: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:9643:22: sparse: got struct rq *
kernel/sched/core.c:11303:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct rq * @@
kernel/sched/core.c:11303:25: sparse: expected void const [noderef] __percpu *__vpp_verify
kernel/sched/core.c:11303:25: sparse: got struct rq *
kernel/sched/core.c:11303:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:11303:25: sparse: expected struct task_struct *p
kernel/sched/core.c:11303:25: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:715:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit
kernel/sched/core.c:741:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit
kernel/sched/core.c:765:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock
kernel/sched/core.c: note: in included file:
kernel/sched/sched.h:1804:9: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit
kernel/sched/sched.h:1804:9: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit
kernel/sched/core.c: note: in included file:
kernel/sched/pelt.h:117:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/pelt.h:117:13: sparse: expected struct task_struct const *p
kernel/sched/pelt.h:117:13: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:970:11: sparse: sparse: dereference of noderef expression
kernel/sched/core.c:2462:35: sparse: sparse: context imbalance in 'wait_task_inactive' - different lock contexts for basic block
kernel/sched/core.c: note: in included file:
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2509:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2509:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2509:9: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/core.c:2344:38: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:2344:38: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:2344:38: sparse: struct task_struct const *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2532:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2532:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2532:9: sparse: struct task_struct *
kernel/sched/sched.h:2532:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2532:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2532:9: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2509:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2509:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2509:9: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2509:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2509:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2509:9: sparse: struct task_struct *
vim +1655 kernel/sched/rt.c
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1551
0017d7350928441 kernel/sched_rt.c Peter Zijlstra 2010-03-24 1552 static int
3aef1551e942860 kernel/sched/rt.c Valentin Schneider 2020-11-02 1553 select_task_rq_rt(struct task_struct *p, int cpu, int flags)
e7693a362ec84bb kernel/sched_rt.c Gregory Haskins 2008-01-25 1554 {
af0c8b2bf67b257 kernel/sched/rt.c Peter Zijlstra 2024-10-09 1555 struct task_struct *curr, *donor;
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1556 struct rq *rq;
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1557 struct rq *this_cpu_rq;
804d402fb6f6487 kernel/sched/rt.c Qais Yousef 2019-10-09 1558 bool test;
16330b35600f00c kernel/sched/rt.c Park Bumgyu 2020-06-22 1559 int target_cpu = -1;
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1560 bool sync = !!(flags & WF_SYNC);
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1561 int this_cpu;
16330b35600f00c kernel/sched/rt.c Park Bumgyu 2020-06-22 1562
0dd08d580104ee2 kernel/sched/rt.c Quentin Perret 2020-12-16 1563 trace_android_rvh_select_task_rq_rt(p, cpu, flags & 0xF,
16330b35600f00c kernel/sched/rt.c Park Bumgyu 2020-06-22 1564 flags, &target_cpu);
16330b35600f00c kernel/sched/rt.c Park Bumgyu 2020-06-22 1565 if (target_cpu >= 0)
16330b35600f00c kernel/sched/rt.c Park Bumgyu 2020-06-22 1566 return target_cpu;
c37495fd0f64fc1 kernel/sched_rt.c Steven Rostedt 2011-06-16 1567
c37495fd0f64fc1 kernel/sched_rt.c Steven Rostedt 2011-06-16 1568 /* For anything but wake ups, just return the task_cpu */
3aef1551e942860 kernel/sched/rt.c Valentin Schneider 2020-11-02 1569 if (!(flags & (WF_TTWU | WF_FORK)))
c37495fd0f64fc1 kernel/sched_rt.c Steven Rostedt 2011-06-16 1570 goto out;
c37495fd0f64fc1 kernel/sched_rt.c Steven Rostedt 2011-06-16 1571
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1572 rq = cpu_rq(cpu);
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1573
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1574 rcu_read_lock();
316c1608d15c736 kernel/sched/rt.c Jason Low 2015-04-28 @1575 curr = READ_ONCE(rq->curr); /* unlocked access */
af0c8b2bf67b257 kernel/sched/rt.c Peter Zijlstra 2024-10-09 1576 donor = READ_ONCE(rq->donor);
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1577 this_cpu = smp_processor_id();
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1578 this_cpu_rq = cpu_rq(this_cpu);
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1579
318e0893ce3f524 kernel/sched_rt.c Gregory Haskins 2008-01-25 1580 /*
65c99af98ba6f6b kernel/sched/rt.c Greg Kroah-Hartman 2022-03-31 1581 * If the current task on @p's runqueue is an RT task, then
e1f47d891c0f007 kernel/sched_rt.c Steven Rostedt 2008-01-25 1582 * try to see if we can wake this RT task up on another
e1f47d891c0f007 kernel/sched_rt.c Steven Rostedt 2008-01-25 1583 * runqueue. Otherwise simply start this RT task
e1f47d891c0f007 kernel/sched_rt.c Steven Rostedt 2008-01-25 1584 * on its current runqueue.
e1f47d891c0f007 kernel/sched_rt.c Steven Rostedt 2008-01-25 1585 *
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1586 * We want to avoid overloading runqueues. If the woken
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1587 * task is a higher priority, then it will stay on this CPU
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1588 * and the lower prio task should be moved to another CPU.
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1589 * Even though this will probably make the lower prio task
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1590 * lose its cache, we do not want to bounce a higher task
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1591 * around just because it gave up its CPU, perhaps for a
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1592 * lock?
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1593 *
43fa5460fe60dea kernel/sched_rt.c Steven Rostedt 2010-09-20 1594 * For equal prio tasks, we just let the scheduler sort it out.
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1595 *
402de7fc880fef0 kernel/sched/rt.c Ingo Molnar 2024-05-27 1596 * Otherwise, just let it ride on the affine RQ and the
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1597 * post-schedule router will push the preempted task away
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1598 *
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1599 * This test is optimistic, if we get it wrong the load-balancer
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1600 * will have to sort it out.
804d402fb6f6487 kernel/sched/rt.c Qais Yousef 2019-10-09 1601 *
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1602 * We use rt_task_fits_cpu() to evaluate if the CPU is busy with
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1603 * potentially long-running softirq work, as well as take into
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1604 * account the capacity of the CPU to ensure it fits the
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1605 * requirement of the task - which is only important on
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1606 * heterogeneous systems like big.LITTLE.
318e0893ce3f524 kernel/sched_rt.c Gregory Haskins 2008-01-25 1607 */
65c99af98ba6f6b kernel/sched/rt.c Greg Kroah-Hartman 2022-03-31 1608 test = curr &&
af0c8b2bf67b257 kernel/sched/rt.c Peter Zijlstra 2024-10-09 1609 unlikely(rt_task(donor)) &&
af0c8b2bf67b257 kernel/sched/rt.c Peter Zijlstra 2024-10-09 1610 (curr->nr_cpus_allowed < 2 || donor->prio <= p->prio);
804d402fb6f6487 kernel/sched/rt.c Qais Yousef 2019-10-09 1611
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1612 /*
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1613 * Respect the sync flag as long as the task can run on this CPU.
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1614 */
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1615 if (should_honor_rt_sync(this_cpu_rq, p, sync) &&
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1616 cpumask_test_cpu(this_cpu, p->cpus_ptr)) {
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1617 cpu = this_cpu;
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1618 goto out_unlock;
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1619 }
0a7537e20fc27eb kernel/sched/rt.c J. Avila 2024-02-02 1620
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1621 if (test || !rt_task_fits_cpu(p, cpu)) {
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1622 int target = find_lowest_rq(p, p);
318e0893ce3f524 kernel/sched_rt.c Gregory Haskins 2008-01-25 1623
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1624 /*
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1625 * Bail out if we were forcing a migration to find a better
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1626 * fitting CPU but our search failed.
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1627 */
01603b5411396eb kernel/sched/rt.c Connor O'Brien 2022-05-10 1628 if (!test && target != -1 && !rt_task_fits_cpu(p, target))
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1629 goto out_unlock;
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1630
80e3d87b2c5582d kernel/sched/rt.c Tim Chen 2014-12-12 1631 /*
65c99af98ba6f6b kernel/sched/rt.c Greg Kroah-Hartman 2022-03-31 1632 * Don't bother moving it if the destination CPU is
80e3d87b2c5582d kernel/sched/rt.c Tim Chen 2014-12-12 1633 * not running a lower priority task.
80e3d87b2c5582d kernel/sched/rt.c Tim Chen 2014-12-12 1634 */
80e3d87b2c5582d kernel/sched/rt.c Tim Chen 2014-12-12 1635 if (target != -1 &&
65c99af98ba6f6b kernel/sched/rt.c Greg Kroah-Hartman 2022-03-31 1636 p->prio < cpu_rq(target)->rt.highest_prio.curr)
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1637 cpu = target;
318e0893ce3f524 kernel/sched_rt.c Gregory Haskins 2008-01-25 1638 }
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1639
b28bc1e002c23ff kernel/sched/rt.c Qais Yousef 2020-03-02 1640 out_unlock:
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1641 rcu_read_unlock();
318e0893ce3f524 kernel/sched_rt.c Gregory Haskins 2008-01-25 1642
c37495fd0f64fc1 kernel/sched_rt.c Steven Rostedt 2011-06-16 1643 out:
7608dec2ce2004c kernel/sched_rt.c Peter Zijlstra 2011-04-05 1644 return cpu;
e7693a362ec84bb kernel/sched_rt.c Gregory Haskins 2008-01-25 1645 }
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1646
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1647 static void check_preempt_equal_prio(struct rq *rq, struct task_struct *p)
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1648 {
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1649 struct task_struct *exec_ctx = p;
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1650 /*
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1651 * Current can't be migrated, useless to reschedule,
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1652 * let's hope p can move out.
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1653 */
4b53a3412d66632 kernel/sched/rt.c Ingo Molnar 2017-02-05 1654 if (rq->curr->nr_cpus_allowed == 1 ||
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 @1655 !cpupri_find(&rq->rd->cpupri, rq->donor, rq->curr, NULL))
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1656 return;
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1657
57d50e9d7fc2f22 kernel/sched/rt.c Connor O'Brien 2023-11-08 1658 /* No reason to preempt since rq->curr wouldn't change anyway */
57d50e9d7fc2f22 kernel/sched/rt.c Connor O'Brien 2023-11-08 1659 exec_ctx = find_exec_ctx(rq, p);
57d50e9d7fc2f22 kernel/sched/rt.c Connor O'Brien 2023-11-08 1660 if (task_current(rq, exec_ctx))
57d50e9d7fc2f22 kernel/sched/rt.c Connor O'Brien 2023-11-08 1661 return;
57d50e9d7fc2f22 kernel/sched/rt.c Connor O'Brien 2023-11-08 1662
308a623a40ce168 kernel/sched/rt.c Wanpeng Li 2014-10-31 1663 /*
308a623a40ce168 kernel/sched/rt.c Wanpeng Li 2014-10-31 1664 * p is migratable, so let's not schedule it and
308a623a40ce168 kernel/sched/rt.c Wanpeng Li 2014-10-31 1665 * see if it is pushed or pulled somewhere else.
308a623a40ce168 kernel/sched/rt.c Wanpeng Li 2014-10-31 1666 */
804d402fb6f6487 kernel/sched/rt.c Qais Yousef 2019-10-09 1667 if (p->nr_cpus_allowed != 1 &&
c621dead3a640a6 kernel/sched/rt.c Connor O'Brien 2023-11-08 1668 cpupri_find(&rq->rd->cpupri, p, exec_ctx, NULL))
13b8bd0a5713bdf kernel/sched_rt.c Rusty Russell 2009-03-25 1669 return;
24600ce89a819a8 kernel/sched_rt.c Rusty Russell 2008-11-25 1670
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1671 /*
97fb7a0a8944bd6 kernel/sched/rt.c Ingo Molnar 2018-03-03 1672 * There appear to be other CPUs that can accept
97fb7a0a8944bd6 kernel/sched/rt.c Ingo Molnar 2018-03-03 1673 * the current task but none can run 'p', so lets reschedule
97fb7a0a8944bd6 kernel/sched/rt.c Ingo Molnar 2018-03-03 1674 * to try and push the current task away:
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1675 */
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1676 requeue_task_rt(rq, p, 1);
8875125efe8402c kernel/sched/rt.c Kirill Tkhai 2014-06-29 1677 resched_curr(rq);
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1678 }
7ebefa8ceefed44 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1679
:::::: The code at line 1655 was first introduced by commit
:::::: c621dead3a640a6055afcb80a78a16be3eff3b8b ANDROID: sched: Push execution and scheduler context split into deadline and rt
:::::: TO: Connor O'Brien <connoro@google.com>
:::::: CC: John Stultz <jstultz@google.com>
--
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