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    Subjectkernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces)
    tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
    head: 305230142ae0637213bf6e04f6d9f10bbcb74af8
    commit: c0a581d7126c0bbc96163276f585fd7b4e4d8d0e tracing: Disable interrupt or preemption before acquiring arch_spinlock_t
    date: 1 year, 1 month ago
    config: loongarch-randconfig-r123-20231107 (https://download.01.org/0day-ci/archive/20231108/202311081340.3k72KKdg-lkp@intel.com/config)
    compiler: loongarch64-linux-gcc (GCC) 13.2.0
    reproduce: (https://download.01.org/0day-ci/archive/20231108/202311081340.3k72KKdg-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/202311081340.3k72KKdg-lkp@intel.com/

    sparse warnings: (new ones prefixed by >>)
    kernel/trace/trace.c:406:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct trace_export **list @@ got struct trace_export [noderef] __rcu ** @@
    kernel/trace/trace.c:406:28: sparse: expected struct trace_export **list
    kernel/trace/trace.c:406:28: sparse: got struct trace_export [noderef] __rcu **
    kernel/trace/trace.c:420:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct trace_export **list @@ got struct trace_export [noderef] __rcu ** @@
    kernel/trace/trace.c:420:33: sparse: expected struct trace_export **list
    kernel/trace/trace.c:420:33: sparse: got struct trace_export [noderef] __rcu **
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu *
    >> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
    kernel/trace/trace.c:2430:9: sparse: expected void *ptr
    kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu *
    kernel/trace/trace.c:2879:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct event_filter *filter @@ got struct event_filter [noderef] __rcu *filter @@
    kernel/trace/trace.c:2879:38: sparse: expected struct event_filter *filter
    kernel/trace/trace.c:2879:38: sparse: got struct event_filter [noderef] __rcu *filter
    kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@
    kernel/trace/trace.c:7354:20: sparse: expected void *ptr
    kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu *
    kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@
    kernel/trace/trace.c:7354:20: sparse: expected void *ptr
    kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu *
    kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@
    kernel/trace/trace.c:7354:20: sparse: expected void *ptr
    kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu *
    kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@
    kernel/trace/trace.c:7354:20: sparse: expected void *ptr
    kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu *
    kernel/trace/trace.c:360:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
    kernel/trace/trace.c:360:9: sparse: struct trace_export [noderef] __rcu *
    kernel/trace/trace.c:360:9: sparse: struct trace_export *
    kernel/trace/trace.c:375:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
    kernel/trace/trace.c:375:9: sparse: struct trace_export [noderef] __rcu *
    kernel/trace/trace.c:375:9: sparse: struct trace_export *

    vim +2430 kernel/trace/trace.c

    2410
    2411 static int trace_save_cmdline(struct task_struct *tsk)
    2412 {
    2413 unsigned tpid, idx;
    2414
    2415 /* treat recording of idle task as a success */
    2416 if (!tsk->pid)
    2417 return 1;
    2418
    2419 tpid = tsk->pid & (PID_MAX_DEFAULT - 1);
    2420
    2421 /*
    2422 * It's not the end of the world if we don't get
    2423 * the lock, but we also don't want to spin
    2424 * nor do we want to disable interrupts,
    2425 * so if we miss here, then better luck next time.
    2426 *
    2427 * This is called within the scheduler and wake up, so interrupts
    2428 * had better been disabled and run queue lock been held.
    2429 */
    > 2430 lockdep_assert_preemption_disabled();
    2431 if (!arch_spin_trylock(&trace_cmdline_lock))
    2432 return 0;
    2433
    2434 idx = savedcmd->map_pid_to_cmdline[tpid];
    2435 if (idx == NO_CMDLINE_MAP) {
    2436 idx = (savedcmd->cmdline_idx + 1) % savedcmd->cmdline_num;
    2437
    2438 savedcmd->map_pid_to_cmdline[tpid] = idx;
    2439 savedcmd->cmdline_idx = idx;
    2440 }
    2441
    2442 savedcmd->map_cmdline_to_pid[idx] = tsk->pid;
    2443 set_cmdline(idx, tsk->comm);
    2444
    2445 arch_spin_unlock(&trace_cmdline_lock);
    2446
    2447 return 1;
    2448 }
    2449

    --
    0-DAY CI Kernel Test Service
    https://github.com/intel/lkp-tests/wiki

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