[PATCH] PPC64 allow xmon=on,off,early

[Paul Mackerras]

allow 'xmon' or 'xmon=early' to enter xmon very early during boot.
allow 'xmon=on' to just enable it, or 'xmon=off' to disable it.

Signed-off-by: Olaf Hering <olh@xxxxxxx>
Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>

diff -urN linux-2.5/arch/ppc64/kernel/setup.c test/arch/ppc64/kernel/setup.c
--- linux-2.5/arch/ppc64/kernel/setup.c	2005-03-07 08:21:53.000000000 +1100
+++ test/arch/ppc64/kernel/setup.c	2005-03-17 21:49:31.000000000 +1100
@@ -1361,6 +1361,12 @@
 static int __init early_xmon(char *p)
 {
 	/* ensure xmon is enabled */
+	if (p) {
+		if (strncmp(p, "on", 2) == 0)
+			xmon_init();
+		if (strncmp(p, "early", 5) != 0)
+			return 0;
+	}
 	xmon_init();
 	debugger(NULL);
 
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