[PATCH] ppc64: allow xmon=off
If both CONFIG_XMON and CONFIG_XMON_DEFAULT is enabled in the .config,
there is no way to disable xmon again. setup_system calls first xmon_init,
later parse_early_param. So a new 'xmon=off' cmdline option will do the right
thing.
Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index e9c24d2..b3ef8df 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -627,7 +627,7 @@
* Initialize xmon
*/
#ifdef CONFIG_XMON_DEFAULT
- xmon_init();
+ xmon_init(1);
#endif
/*
* Register early console
@@ -1343,11 +1343,13 @@
/* ensure xmon is enabled */
if (p) {
if (strncmp(p, "on", 2) == 0)
- xmon_init();
+ xmon_init(1);
+ if (strncmp(p, "off", 3) == 0)
+ xmon_init(0);
if (strncmp(p, "early", 5) != 0)
return 0;
}
- xmon_init();
+ xmon_init(1);
debugger(NULL);
return 0;