[mhiramat:topic/fprobe-ftrace-regs 4/8] arch/riscv/kernel/probes/rethook.h:6:6: error: conflicting types for 'arch_rethook_prepare'

[mhiramat:topic/fprobe-ftrace-regs 4/8] arch/riscv/kernel/probes/rethook.h:6:6: error: conflicting types for 'arch_rethook_prepare'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mhiramat/linux.git topic/fprobe-ftrace-regs
head:   0403b5414401a0aa4ad3baf00cc543dc01608a6b
commit: f8fc919bb672d73f7cfee02b249965933b1adebf [4/8] fprobe: rethook: Use ftrace_regs in fprobe exit handler and rethook
config: riscv-randconfig-r025-20230812 (https://download.01.org/0day-ci/archive/20230812/202308122010.4qEiutvg-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230812/202308122010.4qEiutvg-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/202308122010.4qEiutvg-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/riscv/kernel/probes/rethook.c:8:
>> arch/riscv/kernel/probes/rethook.h:6:6: error: conflicting types for 'arch_rethook_prepare'
       6 | void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount);
         |      ^
   include/linux/rethook.h:73:6: note: previous declaration is here
      73 | void arch_rethook_prepare(struct rethook_node *node, struct ftrace_regs *regs, bool mcount);
         |      ^
>> arch/riscv/kernel/probes/rethook.c:13:36: error: incompatible pointer types passing 'struct pt_regs *' to parameter of type 'struct ftrace_regs *' [-Werror,-Wincompatible-pointer-types]
      13 |         return rethook_trampoline_handler(regs, regs->s0);
         |                                           ^~~~
   include/linux/rethook.h:92:62: note: passing argument to parameter 'regs' here
      92 | unsigned long rethook_trampoline_handler(struct ftrace_regs *regs,
         |                                                              ^
>> arch/riscv/kernel/probes/rethook.c:18:6: error: conflicting types for 'arch_rethook_prepare'
      18 | void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount)
         |      ^
   include/linux/rethook.h:73:6: note: previous declaration is here
      73 | void arch_rethook_prepare(struct rethook_node *node, struct ftrace_regs *regs, bool mcount);
         |      ^
   3 errors generated.


vim +/arch_rethook_prepare +6 arch/riscv/kernel/probes/rethook.h

b57c2f12409845 Binglei Wang 2022-10-25  4  
b57c2f12409845 Binglei Wang 2022-10-25  5  unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);
b57c2f12409845 Binglei Wang 2022-10-25 @6  void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount);
b57c2f12409845 Binglei Wang 2022-10-25  7  

:::::: The code at line 6 was first introduced by commit
:::::: b57c2f124098459a4acc15d5044f87cba31c87f0 riscv: add riscv rethook implementation

:::::: TO: Binglei Wang <l3b2w1@gmail.com>
:::::: CC: Palmer Dabbelt <palmer@rivosinc.com>

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