PERFORCE change 54995 for review

Juli Mallett jmallett at FreeBSD.org
Tue Jun 15 08:09:42 GMT 2004


http://perforce.freebsd.org/chv.cgi?CH=54995

Change 54995 by jmallett at jmallett_oingo on 2004/06/15 08:09:01

	Up critical section on the running thread before dispatching an
	interrupt, it may result in a context switch, and we need to avoid
	that if we're already in a critical section.

Affected files ...

.. //depot/projects/mips/sys/mips/mips/trap.c#23 edit

Differences ...

==== //depot/projects/mips/sys/mips/mips/trap.c#23 (text+ko) ====

@@ -119,7 +119,9 @@
 		goto done;
 	case TrInt:
 		/*platform_trap_exit();*/
+		critical_enter();
 		platform_intr(tf);
+		critical_exit();
 		goto done;
 	case TrAdEL:
 	case TrDBE:


More information about the p4-projects mailing list