kernel/trace/ftrace.c:146:23: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Wed Nov 15 2023 - 08:59:27 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c
commit: dbe3ba3018ec1fc53ea0d0adf0f687f5d438039d LoongArch/ftrace: Add basic support
date: 11 months ago
config: loongarch-randconfig-r111-20231115 (https://download.01.org/0day-ci/archive/20231115/202311152142.g6UyNx1R-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231115/202311152142.g6UyNx1R-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/202311152142.g6UyNx1R-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
kernel/trace/ftrace.c:120:59: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@ got struct ftrace_ops * @@
kernel/trace/ftrace.c:120:59: sparse: expected struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list
kernel/trace/ftrace.c:120:59: sparse: got struct ftrace_ops *
>> kernel/trace/ftrace.c:146:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:146:23: sparse: expected void *ptr
kernel/trace/ftrace.c:146:23: sparse: got int [noderef] __percpu *
>> kernel/trace/ftrace.c:146:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:146:23: sparse: expected void *ptr
kernel/trace/ftrace.c:146:23: sparse: got int [noderef] __percpu *
>> kernel/trace/ftrace.c:146:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:146:23: sparse: expected void *ptr
kernel/trace/ftrace.c:146:23: sparse: got int [noderef] __percpu *
>> kernel/trace/ftrace.c:146:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:146:23: sparse: expected void *ptr
kernel/trace/ftrace.c:146:23: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:199:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@
kernel/trace/ftrace.c:199:49: sparse: expected struct ftrace_ops *ops
kernel/trace/ftrace.c:199:49: sparse: got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list
kernel/trace/ftrace.c:282:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops [noderef] __rcu * @@ got struct ftrace_ops * @@
kernel/trace/ftrace.c:282:23: sparse: expected struct ftrace_ops [noderef] __rcu *
kernel/trace/ftrace.c:282:23: sparse: got struct ftrace_ops *
kernel/trace/ftrace.c:286:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops **p @@ got struct ftrace_ops [noderef] __rcu **list @@
kernel/trace/ftrace.c:286:16: sparse: expected struct ftrace_ops **p
kernel/trace/ftrace.c:286:16: sparse: got struct ftrace_ops [noderef] __rcu **list
kernel/trace/ftrace.c:286:50: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops **p @@ got struct ftrace_ops [noderef] __rcu ** @@
kernel/trace/ftrace.c:286:50: sparse: expected struct ftrace_ops **p
kernel/trace/ftrace.c:286:50: sparse: got struct ftrace_ops [noderef] __rcu **
kernel/trace/ftrace.c:293:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops * @@ got struct ftrace_ops [noderef] __rcu *next @@
kernel/trace/ftrace.c:293:12: sparse: expected struct ftrace_ops *
kernel/trace/ftrace.c:293:12: sparse: got struct ftrace_ops [noderef] __rcu *next
kernel/trace/ftrace.c:7630:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7630:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7630:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7630:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7630:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7630:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7630:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7630:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7630:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7630:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7630:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7630:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7633:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7633:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7633:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7633:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7633:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7633:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7633:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7633:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7633:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7633:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7633:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7633:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7898:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7898:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7898:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7898:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7898:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7898:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7898:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7898:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7898:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7898:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7898:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7898:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7901:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7901:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7901:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7901:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7901:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7901:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7901:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7901:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7901:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:7901:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/ftrace.c:7901:17: sparse: expected void *ptr
kernel/trace/ftrace.c:7901:17: sparse: got int [noderef] __percpu *
kernel/trace/ftrace.c:197:20: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:197:20: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:197:20: sparse: sparse: dereference of noderef expression
--
kernel/trace/trace_functions_graph.c: note: in included file:
>> kernel/trace/trace.h:988:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/trace.h:988:16: sparse: expected void *ptr
kernel/trace/trace.h:988:16: sparse: got int [noderef] __percpu *
>> kernel/trace/trace.h:988:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/trace.h:988:16: sparse: expected void *ptr
kernel/trace/trace.h:988:16: sparse: got int [noderef] __percpu *
>> kernel/trace/trace.h:988:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/trace.h:988:16: sparse: expected void *ptr
kernel/trace/trace.h:988:16: sparse: got int [noderef] __percpu *
>> kernel/trace/trace.h:988:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@
kernel/trace/trace.h:988:16: sparse: expected void *ptr
kernel/trace/trace.h:988:16: sparse: got int [noderef] __percpu *

vim +146 kernel/trace/ftrace.c

f04f24fb7e48d4 Masami Hiramatsu 2013-05-09 138
2f5f6ad9390c1e Steven Rostedt 2011-08-08 139 static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip,
d19ad0775dcd64 Steven Rostedt (VMware 2020-10-28 140) struct ftrace_ops *op, struct ftrace_regs *fregs)
df4fc31558dd2a Steven Rostedt 2008-11-26 141 {
345ddcc882d889 Steven Rostedt (Red Hat 2016-04-22 142) struct trace_array *tr = op->private;
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 143) int pid;
345ddcc882d889 Steven Rostedt (Red Hat 2016-04-22 144)
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 145) if (tr) {
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 @146) pid = this_cpu_read(tr->array_buffer.data->ftrace_ignore_pid);
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 147) if (pid == FTRACE_PID_IGNORE)
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 148) return;
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 149) if (pid != FTRACE_PID_TRACE &&
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 150) pid != current->pid)
df4fc31558dd2a Steven Rostedt 2008-11-26 151 return;
717e3f5ebc823e Steven Rostedt (VMware 2020-03-19 152) }
df4fc31558dd2a Steven Rostedt 2008-11-26 153
d19ad0775dcd64 Steven Rostedt (VMware 2020-10-28 154) op->saved_func(ip, parent_ip, op, fregs);
df4fc31558dd2a Steven Rostedt 2008-11-26 155 }
df4fc31558dd2a Steven Rostedt 2008-11-26 156

:::::: The code at line 146 was first introduced by commit
:::::: 717e3f5ebc823e5ecfdd15155b0fd81af9fc58d6 ftrace: Make function trace pid filtering a bit more exact

:::::: TO: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
:::::: CC: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

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Next message: Thomas Pfaff: "[PATCH RFC 1/3 stable-6.1] spi: spi-atmel: switch to managed dma_alloc_coherent"
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