[kkdwivedi:rqspinlock-owner 25/25] kernel/bpf/rqspinlock.c:98:17: sparse: sparse: incorrect type in initializer (different address spaces)

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/kkdwivedi/linux rqspinlock-owner
head:   b7b5b7c8a79dfa5564b7f98ad4691e53e1de0123
commit: ae7807cc237a7422d939f3692b9a3095a10ef881 [25/25] rqspinlock: Cache the owner value in the held-locks table
config: i386-randconfig-2300-20261016 (https://download.01.org/0day-ci/archive/20261016/202610161715.UkQUIkfo-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/20261016/202610161715.UkQUIkfo-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/202610161715.UkQUIkfo-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/bpf/rqspinlock.c:98:17: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned int * @@
   kernel/bpf/rqspinlock.c:98:17: sparse:     expected void const [noderef] __percpu *__vpp_verify
   kernel/bpf/rqspinlock.c:98:17: sparse:     got unsigned int *
   kernel/bpf/rqspinlock.c:112:39: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got struct rqspinlock_held * @@
   kernel/bpf/rqspinlock.c:112:39: sparse:     expected void const [noderef] __percpu *__vpp_verify
   kernel/bpf/rqspinlock.c:112:39: sparse:     got struct rqspinlock_held *
   kernel/bpf/rqspinlock.c:133:39: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got struct rqspinlock_held * @@
   kernel/bpf/rqspinlock.c:133:39: sparse:     expected void const [noderef] __percpu *__vpp_verify
   kernel/bpf/rqspinlock.c:133:39: sparse:     got struct rqspinlock_held *
   kernel/bpf/rqspinlock.c:146:51: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got struct rqspinlock_held * @@
   kernel/bpf/rqspinlock.c:146:51: sparse:     expected void const [noderef] __percpu *__vpp_verify
   kernel/bpf/rqspinlock.c:146:51: sparse:     got struct rqspinlock_held *
   kernel/bpf/rqspinlock.c:681:39: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got struct rqspinlock_held * @@
   kernel/bpf/rqspinlock.c:681:39: sparse:     expected void const [noderef] __percpu *__vpp_verify
   kernel/bpf/rqspinlock.c:681:39: sparse:     got struct rqspinlock_held *
   kernel/bpf/rqspinlock.c:705:17: sparse: sparse: symbol 'bpf_res_spin_lock' was not declared. Should it be static?
   kernel/bpf/rqspinlock.c:721:18: sparse: sparse: symbol 'bpf_res_spin_unlock' was not declared. Should it be static?
   kernel/bpf/rqspinlock.c:727:17: sparse: sparse: symbol 'bpf_res_spin_lock_irqsave' was not declared. Should it be static?
   kernel/bpf/rqspinlock.c:746:18: sparse: sparse: symbol 'bpf_res_spin_unlock_irqrestore' was not declared. Should it be static?

vim +98 kernel/bpf/rqspinlock.c

    85	
    86	/*
    87	 * Fill in each CPU's owner value for the lock word. Per-CPU memory for every
    88	 * possible CPU exists from setup_per_cpu_areas() on, and an early initcall
    89	 * runs before secondary CPUs are brought up and long before user space, which
    90	 * is what every rqspinlock user needs to issue an acquisition. A copy left at
    91	 * zero would still form a valid lock word (see struct rqspinlock_held).
    92	 */
    93	static int __init rqspinlock_init_owner(void)
    94	{
    95		int cpu;
    96	
    97		for_each_possible_cpu(cpu)
  > 98			per_cpu(rqspinlock_held_locks.owner, cpu) = cpu << RQ_OWNER_OFFSET;
    99		return 0;
   100	}
   101	early_initcall(rqspinlock_init_owner);
   102	

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