[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/xmon/xmon.c b/arch/ppc64/xmon/xmon.c
index 0553943..45908b1 100644
--- a/arch/ppc64/xmon/xmon.c
+++ b/arch/ppc64/xmon/xmon.c
@@ -2496,15 +2496,25 @@
}
}
-void xmon_init(void)
+void xmon_init(int enable)
{
- __debugger = xmon;
- __debugger_ipi = xmon_ipi;
- __debugger_bpt = xmon_bpt;
- __debugger_sstep = xmon_sstep;
- __debugger_iabr_match = xmon_iabr_match;
- __debugger_dabr_match = xmon_dabr_match;
- __debugger_fault_handler = xmon_fault_handler;
+ if (enable) {
+ __debugger = xmon;
+ __debugger_ipi = xmon_ipi;
+ __debugger_bpt = xmon_bpt;
+ __debugger_sstep = xmon_sstep;
+ __debugger_iabr_match = xmon_iabr_match;
+ __debugger_dabr_match = xmon_dabr_match;
+ __debugger_fault_handler = xmon_fault_handler;
+ } else {
+ __debugger = NULL;
+ __debugger_ipi = NULL;
+ __debugger_bpt = NULL;
+ __debugger_sstep = NULL;
+ __debugger_iabr_match = NULL;
+ __debugger_dabr_match = NULL;
+ __debugger_fault_handler = NULL;
+ }
}
void dump_segments(void)