SMP and timer interrupts

2025-12-23 19:50:37 +01:00
parent 259aa732c8
commit c16170e4c2
31 changed files with 1766 additions and 88 deletions
--- a/kernel/sync/spin_lock.c
+++ b/kernel/sync/spin_lock.c
@@ -1,10 +1,17 @@
 #include <libk/std.h>
 #include <sync/spin_lock.h>
+#include <sys/irq.h>
 #include <sys/spin_lock.h>

 void spin_lock (spin_lock_t* sl) {
+  irq_save ();
+
  while (atomic_flag_test_and_set_explicit (sl, memory_order_acquire))
    spin_lock_relax ();
 }

-void spin_unlock (spin_lock_t* sl) { atomic_flag_clear_explicit (sl, memory_order_release); }
+void spin_unlock (spin_lock_t* sl) {
+  atomic_flag_clear_explicit (sl, memory_order_release);
+
+  irq_restore ();
+}