Changeset cd98e594 in mainline

Timestamp:

2010-05-09T18:26:39Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e2fcdb1

Parents:

5e984f2

Message:

Lock THREAD before calling thread_update_accounting() from exc_dispatch().

File:

• kernel/generic/src/interrupt/interrupt.c (modified) (2 diffs)

kernel/generic/src/interrupt/interrupt.c

@@ -93 +93 @@
 
         /* Account user cycles */
-        if (THREAD)
+        if (THREAD) {
+                spinlock_lock(&THREAD->lock);
                 thread_update_accounting(true);
+                spinlock_unlock(&THREAD->lock);
+        }
 
 #ifdef CONFIG_UDEBUG
@@ -110 +113 @@
                 thread_exit();
 
-        if (THREAD)
+        if (THREAD) {
+                spinlock_lock(&THREAD->lock);
                 thread_update_accounting(false);
+                spinlock_unlock(&THREAD->lock);
+        }
 }