Index: kernel/generic/src/time/clock.c
===================================================================
--- kernel/generic/src/time/clock.c	(revision b2ec5cfd5e00eac7963f5a84fb71f002ad79f1f0)
+++ kernel/generic/src/time/clock.c	(revision 37087c892e6485fcba3edd06712191fa59f3fb40)
@@ -123,9 +123,7 @@
 static void cpu_update_accounting(void)
 {
-	irq_spinlock_lock(&CPU->lock, false);
 	uint64_t now = get_cycle();
 	atomic_time_increment(&CPU->busy_cycles, now - CPU->last_cycle);
 	CPU->last_cycle = now;
-	irq_spinlock_unlock(&CPU->lock, false);
 }