[android-common:android16-6.12-2026-03 1/1] include/trace/hooks/wqlockup.h:17:1: sparse: sparse: incorrect type in assignment (different address spaces)

[android-common:android16-6.12-2026-03 1/1] include/trace/hooks/wqlockup.h:17:1: sparse: sparse: incorrect type in assignment (different address spaces)

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android16-6.12-2026-03
head:   625bef5cf43deeb3fca2e75202bcf958b6b976e5
commit: f642834be6e3df571934572011919cc18224202a [1/1] ANDROID: vendor_hooks: add hook in alloc_and_link_pwqs()
config: i386-randconfig-r132-20260822 (https://download.01.org/0day-ci/archive/20260823/202608230104.3ZYEoTuW-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/20260823/202608230104.3ZYEoTuW-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/202608230104.3ZYEoTuW-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/workqueue.c:5468:21: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct pool_workqueue [noderef] __rcu *[noderef] __percpu *cpu_pwq @@     got struct pool_workqueue *[noderef] __percpu * @@
   kernel/workqueue.c:5468:21: sparse:     expected struct pool_workqueue [noderef] __rcu *[noderef] __percpu *cpu_pwq
   kernel/workqueue.c:5468:21: sparse:     got struct pool_workqueue *[noderef] __percpu *
   kernel/workqueue.c:5485:31: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct pool_workqueue **pwq_p @@     got struct pool_workqueue [noderef] __rcu ** @@
   kernel/workqueue.c:5485:31: sparse:     expected struct pool_workqueue **pwq_p
   kernel/workqueue.c:5485:31: sparse:     got struct pool_workqueue [noderef] __rcu **
   kernel/workqueue.c:5524:54: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct pool_workqueue *pwq @@     got struct pool_workqueue [noderef] __rcu * @@
   kernel/workqueue.c:5524:54: sparse:     expected struct pool_workqueue *pwq
   kernel/workqueue.c:5524:54: sparse:     got struct pool_workqueue [noderef] __rcu *
   kernel/workqueue.c:6039:13: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct pool_workqueue *pwq @@     got struct pool_workqueue [noderef] __rcu * @@
   kernel/workqueue.c:6039:13: sparse:     expected struct pool_workqueue *pwq
   kernel/workqueue.c:6039:13: sparse:     got struct pool_workqueue [noderef] __rcu *
   kernel/workqueue.c: note: in included file:
>> include/trace/hooks/wqlockup.h:17:1: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct tracepoint_func *it_func_ptr @@     got struct tracepoint_func [noderef] __rcu *funcs @@
   include/trace/hooks/wqlockup.h:17:1: sparse:     expected struct tracepoint_func *it_func_ptr
   include/trace/hooks/wqlockup.h:17:1: sparse:     got struct tracepoint_func [noderef] __rcu *funcs

vim +17 include/trace/hooks/wqlockup.h

     5	
     6	#if !defined(_TRACE_HOOK_WQLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
     7	#define _TRACE_HOOK_WQLOCKUP_H
     8	#include <trace/hooks/vendor_hooks.h>
     9	/*
    10	 * Following tracepoints are not exported in tracefs and provide a
    11	 * mechanism for vendor modules to hook and extend functionality
    12	 */
    13	DECLARE_HOOK(android_vh_wq_lockup_pool,
    14		TP_PROTO(int cpu, unsigned long pool_ts),
    15		TP_ARGS(cpu, pool_ts));
    16	
  > 17	DECLARE_RESTRICTED_HOOK(android_rvh_alloc_and_link_pwqs,
    18		TP_PROTO(struct workqueue_struct *wq, int *ret, bool *skip),
    19		TP_ARGS(wq, ret, skip), 1);
    20	

--
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