scheduler: little bit of cleanup

kernel-src/include/bitmap.h

@@ -10,7 +10,7 @@ typedef struct {
 
 int bitmap_init(bitmap_t *bitmap, size_t size);
 void bitmap_set(bitmap_t *bitmap, long idx, int v);
-long bitmap_find_first_set(bitmap_t *bitmap, long start_offset);
+long bitmap_find_first_set(bitmap_t *bitmap);
 
 
 #endif

kernel-src/include/x86-64/arch/cpu.h

@@ -55,7 +55,6 @@ typedef struct cpu_t {
 	sched_run_queue_t idle_queue;
 	spinlock_t sched_lock;
 
-	long calendar_ticks;
 	timerentry_t calendar_tick_timer_entry;
 
 	// architecture specific, does not need to be exposed

kernel-src/lib/bitmap.c

@@ -22,13 +22,12 @@ void bitmap_set(bitmap_t *bitmap, long idx, int v) {
 		bitmap->data[idx / sizeof(*bitmap->data)] &= ~bit;
 }
 
-// TODO fix start offset search
-long bitmap_find_first_set(bitmap_t *bitmap, long start_offset) {
+long bitmap_find_first_set(bitmap_t *bitmap) {
 	size_t loop_size = ROUND_UP(bitmap->size, sizeof(*bitmap->data)) / sizeof(*bitmap->data);
 
 	long offset = -1;
 
-	for (size_t i = start_offset; i < loop_size; ++i) {
+	for (size_t i = 0; i < loop_size; ++i) {
 		if (bitmap->data[i] == 0)
 			continue;
 

kernel-src/sys/scheduler/queue.c

@@ -32,7 +32,7 @@ static void insert_in_run_queue(sched_run_queue_t *run_queue, thread_t *thread)
 }
 
 static thread_t *pop_from_run_queue(sched_run_queue_t *run_queue) {
-	long idx = bitmap_find_first_set(&run_queue->thread_bitmap, 0);
+	long idx = bitmap_find_first_set(&run_queue->thread_bitmap);
 	if (idx == -1)
 		return NULL;
 

kernel-src/sys/scheduler/scheduler.c

@@ -363,7 +363,7 @@ void sched_ap_entry() {
 	__assert(current_cpu()->reschedule_isr);
 
 	timer_insert(current_cpu()->timer, &current_cpu()->schedtimerentry, reschedule_timer_dpc, NULL, QUANTUM_US, true);
-	timer_insert(current_cpu()->timer, &current_cpu()->calendar_tick_timer_entry, sched_calendar_tick, NULL, 1000, true);
+	timer_insert(current_cpu()->timer, &current_cpu()->calendar_tick_timer_entry, sched_calendar_tick, NULL, 10000, true);
 	timer_resume(current_cpu()->timer);
 	sched_stop_current_thread();
 }