[3/3] rt-tests: Remove unused parameter annotations

diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c
index b1f8420..890da5d 100644
--- a/src/cyclictest/cyclictest.c
+++ b/src/cyclictest/cyclictest.c
@@ -436,11 +436,10 @@  static int set_deepest_cpu_idle_state(unsigned int cpu, unsigned int deepest_sta
 
 static inline int have_libcpupower_support(void) { return 1; }
 #else
-static inline int save_cpu_idle_disable_state(__attribute__((unused)) unsigned int cpu) { return -1; }
-static inline int restore_cpu_idle_disable_state(__attribute__((unused)) unsigned int cpu) { return -1; }
+static inline int save_cpu_idle_disable_state(unsigned int cpu) { return -1; }
+static inline int restore_cpu_idle_disable_state(unsigned int cpu) { return -1; }
 static inline void free_cpu_idle_disable_states(void) { }
-static inline int set_deepest_cpu_idle_state(__attribute__((unused)) unsigned int cpu,
-											 __attribute__((unused)) unsigned int state) { return -1; }
+static inline int set_deepest_cpu_idle_state(unsigned int cpu, unsigned int state) { return -1; }
 static inline int have_libcpupower_support(void) { return 0; }
 #endif /* HAVE_LIBCPUPOWER_SUPPORT */
 
@@ -1687,7 +1686,7 @@  static void rstat_print_stat(struct thread_param *par, int index, int verbose, i
  * thread that creates a named fifo and hands out run stats when someone
  * reads from the fifo.
  */
-static void *fifothread(void *param __attribute__ ((unused)))
+static void *fifothread(void *param)
 {
 	int ret;
 	int fd;
@@ -1868,7 +1867,7 @@  rstat_err:
 	return;
 }
 
-static void write_stats(FILE *f, void *data __attribute__ ((unused)))
+static void write_stats(FILE *f, void *data)
 {
 	struct thread_param **par = parameters;
 	int i;
diff --git a/src/oslat/oslat.c b/src/oslat/oslat.c
index 0863297..9e5a08a 100644
--- a/src/oslat/oslat.c
+++ b/src/oslat/oslat.c
@@ -220,7 +220,7 @@  struct global {
 
 static struct global g;
 
-static void workload_nop(char *dst __attribute__ ((unused)), char *src __attribute__ ((unused)), size_t size __attribute__ ((unused)))
+static void workload_nop(char *dst, char *src, size_t size)
 {
 	/* Nop */
 }
@@ -596,7 +596,7 @@  static void run_expt(struct thread *threads, int runtime_secs, bool preheat)
 		pthread_join(threads[i].thread_id, NULL);
 }
 
-static void handle_alarm(int code __attribute__ ((unused)))
+static void handle_alarm(int code)
 {
 	g.cmd = STOP;
 }
diff --git a/src/pi_tests/pi_stress.c b/src/pi_tests/pi_stress.c
index 1116ee6..6f8c563 100644
--- a/src/pi_tests/pi_stress.c
+++ b/src/pi_tests/pi_stress.c
@@ -388,7 +388,7 @@  int pending_interrupt(void)
  *   1. report progress
  *   2. check for deadlocks
  */
-void *reporter(void *arg __attribute__ ((unused)))
+void *reporter(void *arg)
 {
 	int status;
 	int end = 0;
@@ -1334,7 +1334,7 @@  void summary(void)
 	       t->tm_yday, t->tm_hour, t->tm_min, t->tm_sec);
 }
 
-void write_stats(FILE *f, void *data __attribute__ ((unused)))
+void write_stats(FILE *f, void *data)
 {
 	fprintf(f, "  \"inversion\": %lu\n", total_inversions());
 }
diff --git a/src/pmqtest/pmqtest.c b/src/pmqtest/pmqtest.c
index b21dfa0..04e36a1 100644
--- a/src/pmqtest/pmqtest.c
+++ b/src/pmqtest/pmqtest.c
@@ -418,14 +418,13 @@  static void process_options(int argc, char *argv[])
 
 static int volatile shutdown;
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	shutdown = 1;
 }
 
-static void print_stat(FILE *fp __attribute__ ((unused)),
-		       struct params *receiver, struct params *sender,
-		       int verbose __attribute__ ((unused)), int quiet)
+static void print_stat(FILE *fp, struct params *receiver, struct params *sender,
+		       int verbose, int quiet)
 {
 	int i;
 
diff --git a/src/ptsematest/ptsematest.c b/src/ptsematest/ptsematest.c
index 5a29718..d211669 100644
--- a/src/ptsematest/ptsematest.c
+++ b/src/ptsematest/ptsematest.c
@@ -321,14 +321,13 @@  static void process_options(int argc, char *argv[])
 
 static int volatile shutdown;
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	shutdown = 1;
 }
 
-static void print_stat(FILE *fp __attribute__ ((unused)),
-		       struct params *receiver, struct params *sender,
-		       int verbose __attribute__ ((unused)), int quiet)
+static void print_stat(FILE *fp, struct params *receiver, struct params *sender,
+		       int verbose, int quiet)
 {
 	int i;
 
diff --git a/src/queuelat/queuelat.c b/src/queuelat/queuelat.c
index c057389..28cf7ab 100644
--- a/src/queuelat/queuelat.c
+++ b/src/queuelat/queuelat.c
@@ -520,7 +520,7 @@  void main_loop(void)
 	free(src);
 }
 
-void sig_handler(int sig __attribute__ ((unused)))
+void sig_handler(int sig)
 {
 	print_exit_info();
 	exit(0);
diff --git a/src/rt-migrate-test/rt-migrate-test.c b/src/rt-migrate-test/rt-migrate-test.c
index 7b1917d..8afe083 100644
--- a/src/rt-migrate-test/rt-migrate-test.c
+++ b/src/rt-migrate-test/rt-migrate-test.c
@@ -354,7 +354,7 @@  static void print_results(void)
 	}
 }
 
-static void write_stats(FILE *f, void *data __attribute__ ((unused)))
+static void write_stats(FILE *f, void *data)
 {
 	int i;
 	int t;
@@ -489,7 +489,7 @@  static int check_times(int l)
 	return 0;
 }
 
-static void stop_log(int sig __attribute__ ((unused)))
+static void stop_log(int sig)
 {
 	stop = 1;
 }
diff --git a/src/sched_deadline/cyclicdeadline.c b/src/sched_deadline/cyclicdeadline.c
index 631d57e..32fd0d0 100644
--- a/src/sched_deadline/cyclicdeadline.c
+++ b/src/sched_deadline/cyclicdeadline.c
@@ -1073,7 +1073,7 @@  static int calc_nr_cpus(const char *setcpu, char **buf)
 	return -1;
 }
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	shutdown = 1;
 }
diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
index 5412c50..d8cda97 100644
--- a/src/signaltest/signaltest.c
+++ b/src/signaltest/signaltest.c
@@ -353,7 +353,7 @@  static void process_options(int argc, char *argv[], unsigned int max_cpus)
 	}
 }
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	shutdown = 1;
 }
diff --git a/src/sigwaittest/sigwaittest.c b/src/sigwaittest/sigwaittest.c
index 8c1c16f..026cc81 100644
--- a/src/sigwaittest/sigwaittest.c
+++ b/src/sigwaittest/sigwaittest.c
@@ -370,13 +370,13 @@  static void process_options(int argc, char *argv[])
 
 static int volatile mustshutdown;
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	mustshutdown = 1;
 }
 
 static void print_stat(struct params *receiver, struct params *sender,
-		       int verbose __attribute__ ((unused)), int quiet)
+		       int verbose, int quiet)
 {
 	int i;
 
diff --git a/src/ssdd/ssdd.c b/src/ssdd/ssdd.c
index 45f6a23..50f7424 100644
--- a/src/ssdd/ssdd.c
+++ b/src/ssdd/ssdd.c
@@ -152,7 +152,7 @@  static pid_t parent;
 static int nforks = 10;
 static int nsteps = 10000;
 
-static void sigchld(int sig __attribute__ ((unused)), siginfo_t *info __attribute__ ((unused)), void *arg __attribute__ ((unused)))
+static void sigchld(int sig, siginfo_t *info, void *arg)
 {
 	got_sigchld = 1;
 }
diff --git a/src/svsematest/svsematest.c b/src/svsematest/svsematest.c
index 3c857dc..f3cddf8 100644
--- a/src/svsematest/svsematest.c
+++ b/src/svsematest/svsematest.c
@@ -416,7 +416,7 @@  static void process_options(int argc, char *argv[])
 
 static int volatile mustshutdown;
 
-static void sighand(int sig __attribute__ ((unused)))
+static void sighand(int sig)
 {
 	mustshutdown = 1;
 }
@@ -456,7 +456,8 @@  static void write_stats(FILE *f, void *data)
 	fprintf(f, "  }\n");
 }
 
-static void print_stat(FILE *fp __attribute__ ((unused)), struct params *receiver, struct params *sender, int verbose __attribute__ ((unused)), int quiet)
+static void print_stat(FILE *fp, struct params *receiver, struct params *sender,
+		       int verbose, int quiet)
 {
 	int i;