Spinlock save cpu flags

kernel/amd64/proc.c

@@ -68,6 +68,7 @@ struct proc* proc_from_elf (uint8_t* elf_contents) {
 
 struct proc* proc_clone (struct proc* proto, uintptr_t vstack_top, uintptr_t entry,
                          uintptr_t argument_ptr) {
+  uint64_t fpt;
   struct limine_hhdm_response* hhdm = limine_hhdm_request.response;
 
   struct proc* proc = malloc (sizeof (*proc));
@@ -85,12 +86,12 @@ struct proc* proc_clone (struct proc* proto, uintptr_t vstack_top, uintptr_t ent
     return NULL;
   }
 
-  spin_lock (&proto->lock);
+  spin_lock (&proto->lock, &fpt);
 
   proc->procgroup = proto->procgroup;
   procgroup_attach (proc->procgroup, proc);
 
-  spin_unlock (&proto->lock);
+  spin_unlock (&proto->lock, fpt);
 
   uintptr_t kstack_paddr = pmm_alloc (KSTACK_SIZE / PAGE_SIZE);
   proc->pdata.kernel_stack = kstack_paddr + (uintptr_t)hhdm->offset + KSTACK_SIZE;
@@ -112,25 +113,27 @@ struct proc* proc_clone (struct proc* proto, uintptr_t vstack_top, uintptr_t ent
 }
 
 void proc_cleanup (struct proc* proc, struct reschedule_ctx* rctx) {
-  spin_lock (&proc->lock);
-  spin_lock (&proc->done_sq.lock);
+  uint64_t fp, fsq;
+
+  spin_lock (&proc->lock, &fp);
+  spin_lock (&proc->done_sq.lock, &fsq);
 
   while (proc->done_sq.proc_list != NULL) {
     struct list_node_link* node = proc->done_sq.proc_list;
     struct proc_sq_entry* sq_entry = list_entry (node, struct proc_sq_entry, sq_link);
     struct proc* suspended_proc = sq_entry->proc;
 
-    spin_unlock (&proc->done_sq.lock);
-    spin_unlock (&proc->lock);
+    spin_unlock (&proc->done_sq.lock, fsq);
+    spin_unlock (&proc->lock, fp);
 
     proc_sq_resume (suspended_proc, sq_entry, rctx);
 
-    spin_lock (&proc->lock);
-    spin_lock (&proc->done_sq.lock);
+    spin_lock (&proc->lock, &fp);
+    spin_lock (&proc->done_sq.lock, &fsq);
   }
 
-  spin_unlock (&proc->done_sq.lock);
-  spin_unlock (&proc->lock);
+  spin_unlock (&proc->done_sq.lock, fsq);
+  spin_unlock (&proc->lock, fp);
 
   proc_sqs_cleanup (proc);
   proc_mutexes_cleanup (proc, rctx);