[PATCH] (4/6) alpha fixes

[Alexander Viro]

diff -urN C8-pptr/arch/alpha/kernel/process.c C8-cpu_idle/arch/alpha/kernel/process.c
--- C8-pptr/arch/alpha/kernel/process.c	Fri Mar  8 02:09:42 2002
+++ C8-cpu_idle/arch/alpha/kernel/process.c	Thu Apr 18 23:26:58 2002
@@ -54,15 +54,21 @@
 	return 0;
 }
 
+void default_idle(void)
+{
+	barrier();
+}
+
 void
 cpu_idle(void)
 {
 	while (1) {
+		void (*idle)(void) = default_idle;
 		/* FIXME -- EV6 and LCA45 know how to power down
 		   the CPU.  */
 
 		while (!need_resched())
-			barrier();
+			idle();
 		schedule();
 	}
 }