kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces)
From: kernel test robot
Date: Sat Jul 01 2023 - 19:03:32 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dfab92f27c600fea3cadc6e2cb39f092024e1fef
commit: c0a581d7126c0bbc96163276f585fd7b4e4d8d0e tracing: Disable interrupt or preemption before acquiring arch_spinlock_t
date: 9 months ago
config: loongarch-randconfig-r073-20230627 (https://download.01.org/0day-ci/archive/20230702/202307020600.1oOCL8pD-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230702/202307020600.1oOCL8pD-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307020600.1oOCL8pD-lkp@xxxxxxxxx/
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
--
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