tracehook_signal_handler: Remove sig, info, ka and regs

These parameters are nowhere used, so we can remove them.

Signed-off-by: Richard Weinberger <richard@nod.at>

include/linux/tracehook.h

@@ -133,10 +133,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
 
 /**
  * tracehook_signal_handler - signal handler setup is complete
- * @sig:		number of signal being delivered
- * @info:		siginfo_t of signal being delivered
- * @ka:			sigaction setting that chose the handler
- * @regs:		user register state
  * @stepping:		nonzero if debugger single-step or block-step in use
  *
  * Called by the arch code after a signal handler has been set up.
@@ -146,9 +142,7 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
  * Called without locks, shortly before returning to user mode
  * (or handling more signals).
  */
-static inline void tracehook_signal_handler(int sig, siginfo_t *info,
-					    const struct k_sigaction *ka,
-					    struct pt_regs *regs, int stepping)
+static inline void tracehook_signal_handler(int stepping)
 {
 	if (stepping)
 		ptrace_notify(SIGTRAP);

kernel/signal.c

@@ -2379,7 +2379,7 @@ void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka,
 	if (!(ka->sa.sa_flags & SA_NODEFER))
 		sigaddset(&blocked, sig);
 	set_current_blocked(&blocked);
-	tracehook_signal_handler(sig, info, ka, regs, stepping);
+	tracehook_signal_handler(stepping);
 }
 
 void signal_setup_done(int failed, struct ksignal *ksig, int stepping)