Changes in kernel/generic/src/syscall/syscall.c [5e984f2:2fa10f6] in mainline

File:

• kernel/generic/src/syscall/syscall.c (modified) (4 diffs)

kernel/generic/src/syscall/syscall.c

@@ -59 +59 @@
     unative_t a4, unative_t a5, unative_t a6, unative_t id)
 {
-        unative_t rc;
-        ipl_t ipl;
-
         /* Do userpace accounting */
-        ipl = interrupts_disable();
-        spinlock_lock(&THREAD->lock);
+        irq_spinlock_lock(&THREAD->lock, true);
         thread_update_accounting(true);
-        spinlock_unlock(&THREAD->lock);
-        interrupts_restore(ipl);
-
+        irq_spinlock_unlock(&THREAD->lock, true);
+        
 #ifdef CONFIG_UDEBUG
         /*
          * Early check for undebugged tasks. We do not lock anything as this
          * test need not be precise in either direction.
+         *
          */
-        if (THREAD->udebug.active) {
+        if (THREAD->udebug.active)
                 udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false);
-        }
 #endif
         
+        unative_t rc;
         if (id < SYSCALL_END) {
                 rc = syscall_table[id](a1, a2, a3, a4, a5, a6);
@@ -93 +89 @@
         if (THREAD->udebug.active) {
                 udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true);
-        
+                
                 /*
                  * Stopping point needed for tasks that only invoke
@@ -103 +99 @@
         }
 #endif
-
+        
         /* Do kernel accounting */
-        ipl = interrupts_disable();
-        spinlock_lock(&THREAD->lock);
+        irq_spinlock_lock(&THREAD->lock, true);
         thread_update_accounting(false);
-        spinlock_unlock(&THREAD->lock);
-        interrupts_restore(ipl);
+        irq_spinlock_unlock(&THREAD->lock, true);
         
         return rc;
@@ -165 +159 @@
         (syshandler_t) sys_physmem_map,
         (syshandler_t) sys_iospace_enable,
-        (syshandler_t) sys_preempt_control,
         
         /* Sysinfo syscalls */