[glemco:staging_rv_hybrid_automata 21/21] kernel/trace/rv/monitors/boost/boost.c:143:13: error: conflicting types for 'handle_syscall'; have 'void(void *, struct pt_regs *, long int)'

[glemco:staging_rv_hybrid_automata 21/21] kernel/trace/rv/monitors/boost/boost.c:143:13: error: conflicting types for 'handle_syscall'; have 'void(void *, struct pt_regs *, long int)'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gmonaco/linux.git staging_rv_hybrid_automata
head:   b0f3d844e192c90aac9dc773e82b8ee2b00e431b
commit: b0f3d844e192c90aac9dc773e82b8ee2b00e431b [21/21] rv: Add dl_server specific monitors
config: um-allyesconfig (https://download.01.org/0day-ci/archive/20251206/202512061442.QCS58bku-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512061442.QCS58bku-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/202512061442.QCS58bku-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/trace/rv/monitors/boost/boost.c:143:13: error: conflicting types for 'handle_syscall'; have 'void(void *, struct pt_regs *, long int)'
     143 | static void handle_syscall(void *data, struct pt_regs *regs, long id)
         |             ^~~~~~~~~~~~~~
   In file included from arch/x86/um/asm/elf.h:9,
                    from arch/um/include/asm/uaccess.h:10,
                    from include/linux/uaccess.h:13,
                    from include/linux/sched/task.h:13,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/mm.h:36,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:13,
                    from kernel/trace/rv/monitors/boost/boost.c:2:
   arch/um/include/shared/skas/skas.h:14:13: note: previous declaration of 'handle_syscall' with type 'void(struct uml_pt_regs *)'
      14 | extern void handle_syscall(struct uml_pt_regs *regs);
         |             ^~~~~~~~~~~~~~


vim +143 kernel/trace/rv/monitors/boost/boost.c

   142	
 > 143	static void handle_syscall(void *data, struct pt_regs *regs, long id)
   144	{
   145		struct sched_dl_entity *dl_se;
   146		struct task_struct *p;
   147		int new_policy = -1;
   148	
   149		new_policy = extract_params(regs, id, &p);
   150		if (new_policy < 0 || new_policy == p->policy)
   151			return;
   152		dl_se = get_fair_server(p);
   153		if (!dl_se || !p->on_rq)
   154			return;
   155		/*
   156		 * Note: this attaches to the syscall entry and is unstable:
   157		 * - the syscall may fail
   158		 * - the task may be preempted before changing the policy
   159		 * A more robust solution can be written using enqueue/dequeue events.
   160		 */
   161		if (p->policy == SCHED_NORMAL)
   162			da_handle_event(EXPAND_ID(dl_se, task_cpu(p)), sched_switch_out_boost);
   163		else if (new_policy == SCHED_NORMAL)
   164			da_handle_event(EXPAND_ID(dl_se, task_cpu(p)), dl_server_resume_boost);
   165	}
   166	

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