xnu-517.12.7.tar.gz

[apple/xnu.git] / osfmk / i386 / machparam.h

diff --git a/osfmk/i386/machparam.h b/osfmk/i386/machparam.h
index d61055f83cb7366d8d7fb1f42169d73de1390d6c..a692dc68f91cfe3180fe1047f60588887e085e4a 100644 (file)
--- a/osfmk/i386/machparam.h
+++ b/osfmk/i386/machparam.h
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -58,3 +55,12 @@
  *
  *     SPLs are true functions on i386, defined elsewhere.
  */
+
+/*
+ * XXX Temporary workaround to null out the call to compute_my_priority()
+ * from thread_quantum_expire() -- which for x86 may occur on the wrong cpu
+ * and this can lead to run queue corruption.
+ * Making this slimey re-definition here avoids the need for ifdefs in
+ * machine-independent code.
+ */
+#define compute_my_priority(x)