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 8/8] kernel/sched/ext.c:2265:41: sparse: sparse: incorrect type in initializer (different address spaces)
Date: Sun, 19 Apr 2026 07:44:04 +0800 [thread overview]
Message-ID: <202604190719.fbBYHKA0-lkp@intel.com> (raw)
tree: https://android.googlesource.com/kernel/common android17-6.18
head: ebdb82c03e6adc63d7eaf683c5e5555b49d6a3bc
commit: e7517b2fdc758cfc87b3ea2a17c3284772b65e76 [8/8] ANDROID: Export find_user_dsq() for BPF scheduler extensions
config: arm-randconfig-r112-20260418 (https://download.01.org/0day-ci/archive/20260419/202604190719.fbBYHKA0-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260419/202604190719.fbBYHKA0-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/202604190719.fbBYHKA0-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
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:2750:23: 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:2750:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2750:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2760:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2760:13: sparse: struct task_struct *
kernel/sched/deadline.c:2760:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2866:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2866:25: sparse: struct task_struct *
kernel/sched/deadline.c:2866:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2306:42: 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:2306:42: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2306:42: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2316:38: 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:2316:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2316:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1192:39: 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:1192:39: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1192:39: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1192:85: 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:1192:85: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1192:85: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1290:23: 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:1290:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1290:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:1588:31: 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:1588:31: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1588:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1588:70: 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:1588:70: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1588:70: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1702:39: 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:1702:39: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:1702:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2525:9: 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:2525:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/deadline.c:2525:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/deadline.c:2180:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2180:14: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:2180:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2181:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2181:15: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:2181:15: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2258:43: 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:2258:43: sparse: expected struct task_struct *sched_ctx
kernel/sched/deadline.c:2258:43: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2258:54: 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:2258:54: sparse: expected struct task_struct *exec_ctx
kernel/sched/deadline.c:2258:54: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2282:35: 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:2282:35: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2282:35: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2911:38: 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:2911:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2911:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2913:23: 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:2913:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2913:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2915:44: 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:2915:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2915:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3109:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3109:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3109:23: sparse: struct task_struct *
kernel/sched/deadline.c:3155:32: 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/ext.c:2265:41: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:892:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext.c:943:48: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:943:48: sparse: struct task_struct *
kernel/sched/ext.c:943:48: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext.c:1250:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1250:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1250:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1368:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1368:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1368:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1419:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1419:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1419:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1468:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1468:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1468:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1516:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1516:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1516:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1517:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext.c:1517:35: sparse: expected struct task_struct *p
kernel/sched/ext.c:1517:35: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/ext.c:1527:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:1527:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:1527:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:1528:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext.c:1528:38: sparse: expected struct task_struct *from
kernel/sched/ext.c:1528:38: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/ext.c:2096:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2096:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2096:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2216:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext.c:2216:38: sparse: expected struct task_struct *prev
kernel/sched/ext.c:2216:38: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/ext.c:2279:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2279:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2279:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2335:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2335:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2335:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2382:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2382:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2382:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2431:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/ext.c:2431:38: sparse: expected struct task_struct *prev
kernel/sched/ext.c:2431:38: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/ext.c:2545:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2545:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2545:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2606:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2606:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2606:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2630:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2630:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2630:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2752:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2752:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2752:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2831:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2831:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2831:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2884:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2884:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2884:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2912:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2912:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2912:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:2925:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:2925:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:2925:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:3055:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:3055:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:3055:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:3071:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root @@
kernel/sched/ext.c:3071:33: sparse: expected struct scx_sched *sch
kernel/sched/ext.c:3071:33: sparse: got struct scx_sched [noderef] __rcu *extern [addressable] [toplevel] scx_root
kernel/sched/ext.c:3971:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_kick_pseqs **pseqs @@ got struct scx_kick_pseqs [noderef] __rcu ** @@
kernel/sched/ext.c:3971:49: sparse: expected struct scx_kick_pseqs **pseqs
kernel/sched/ext.c:3971:49: sparse: got struct scx_kick_pseqs [noderef] __rcu **
kernel/sched/ext.c:3974:27: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:3974:27: sparse: struct scx_kick_pseqs [noderef] __rcu *
kernel/sched/ext.c:3974:27: sparse: struct scx_kick_pseqs *
kernel/sched/ext.c:3974:27: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:3974:27: sparse: struct scx_kick_pseqs [noderef] __rcu *
kernel/sched/ext.c:3974:27: sparse: struct scx_kick_pseqs *
>> kernel/sched/ext.c:4266:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [assigned] [toplevel] scx_root @@
kernel/sched/ext.c:4309:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [assigned] [toplevel] scx_root @@
kernel/sched/ext.c:4423:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:4501:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_kick_pseqs **pseqs @@ got struct scx_kick_pseqs [noderef] __rcu ** @@
kernel/sched/ext.c:4504:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:4504:17: sparse: struct scx_kick_pseqs [noderef] __rcu *
kernel/sched/ext.c:4504:17: sparse: struct scx_kick_pseqs *
kernel/sched/ext.c:4513:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:4513:17: sparse: struct scx_kick_pseqs [noderef] __rcu *
kernel/sched/ext.c:4513:17: sparse: struct scx_kick_pseqs *
kernel/sched/ext.c:5213:32: 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/ext.c:5330:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [assigned] [toplevel] scx_root @@
kernel/sched/ext.c:5595:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [assigned] [toplevel] scx_root @@
kernel/sched/ext.c:6591:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:6591:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext.c:6591:33: sparse: struct task_struct const *
kernel/sched/build_policy.c: note: in included file:
>> kernel/sched/ext_idle.c:736:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *extern [addressable] [assigned] [toplevel] scx_root @@
kernel/sched/ext_idle.c:756:49: 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/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:1466:22: 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:1466:22: sparse: expected struct task_struct *curr
kernel/sched/syscalls.c:1466:22: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2328:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2328:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2328:26: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2328:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2328:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2328:26: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2328:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2328:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2328:26: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2317:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2317:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2317:25: sparse: struct task_struct *
kernel/sched/sched.h:2328:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2328:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2328:26: sparse: struct task_struct *
kernel/sched/sched.h:2516:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2516:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2516:9: sparse: struct task_struct *
kernel/sched/sched.h:2328:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2328:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2328:26: sparse: struct task_struct *
kernel/sched/sched.h:2516:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2516:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2516:9: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1318:6: sparse: sparse: context imbalance in 'sched_getaffinity' - wrong count at exit
kernel/sched/syscalls.c:1388:15: sparse: sparse: dereference of noderef expression
kernel/sched/syscalls.c:1389:19: 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
vim +2265 kernel/sched/ext.c
7b0888b7cc1924 Tejun Heo 2024-06-18 2249
65aaf90569ffa2 Tejun Heo 2024-09-03 2250 static void process_ddsp_deferred_locals(struct rq *rq)
65aaf90569ffa2 Tejun Heo 2024-09-03 2251 {
65aaf90569ffa2 Tejun Heo 2024-09-03 2252 struct task_struct *p;
65aaf90569ffa2 Tejun Heo 2024-09-03 2253
65aaf90569ffa2 Tejun Heo 2024-09-03 2254 lockdep_assert_rq_held(rq);
65aaf90569ffa2 Tejun Heo 2024-09-03 2255
65aaf90569ffa2 Tejun Heo 2024-09-03 2256 /*
65aaf90569ffa2 Tejun Heo 2024-09-03 2257 * Now that @rq can be unlocked, execute the deferred enqueueing of
65aaf90569ffa2 Tejun Heo 2024-09-03 2258 * tasks directly dispatched to the local DSQs of other CPUs. See
65aaf90569ffa2 Tejun Heo 2024-09-03 2259 * direct_dispatch(). Keep popping from the head instead of using
65aaf90569ffa2 Tejun Heo 2024-09-03 2260 * list_for_each_entry_safe() as dispatch_local_dsq() may unlock @rq
65aaf90569ffa2 Tejun Heo 2024-09-03 2261 * temporarily.
65aaf90569ffa2 Tejun Heo 2024-09-03 2262 */
65aaf90569ffa2 Tejun Heo 2024-09-03 2263 while ((p = list_first_entry_or_null(&rq->scx.ddsp_deferred_locals,
65aaf90569ffa2 Tejun Heo 2024-09-03 2264 struct task_struct, scx.dsq_list.node))) {
cdf5a6faa8cf0e Tejun Heo 2025-04-29 @2265 struct scx_sched *sch = scx_root;
e683949a4b8c95 Tejun Heo 2024-09-09 2266 struct scx_dispatch_q *dsq;
65aaf90569ffa2 Tejun Heo 2024-09-03 2267
65aaf90569ffa2 Tejun Heo 2024-09-03 2268 list_del_init(&p->scx.dsq_list.node);
65aaf90569ffa2 Tejun Heo 2024-09-03 2269
cdf5a6faa8cf0e Tejun Heo 2025-04-29 2270 dsq = find_dsq_for_dispatch(sch, rq, p->scx.ddsp_dsq_id, p);
e683949a4b8c95 Tejun Heo 2024-09-09 2271 if (!WARN_ON_ONCE(dsq->id != SCX_DSQ_LOCAL))
a8433f7a267f9f Tejun Heo 2025-05-14 2272 dispatch_to_local_dsq(sch, rq, dsq, p,
a8433f7a267f9f Tejun Heo 2025-05-14 2273 p->scx.ddsp_enq_flags);
65aaf90569ffa2 Tejun Heo 2024-09-03 2274 }
65aaf90569ffa2 Tejun Heo 2024-09-03 2275 }
65aaf90569ffa2 Tejun Heo 2024-09-03 2276
:::::: The code at line 2265 was first introduced by commit
:::::: cdf5a6faa8cf0ef62ec238a18b898ca9827bc472 sched_ext: Move dsq_hash into scx_sched
:::::: TO: Tejun Heo <tj@kernel.org>
:::::: CC: Tejun Heo <tj@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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