diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 053cac19f71414..52e95c2158c024 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -638,18 +638,18 @@ void rtas_halt(void)
 /* Must be in the RMO region, so we place it here */
 static char rtas_os_term_buf[2048];
 
-void rtas_panic_msg(char *str)
-{
-	snprintf(rtas_os_term_buf, 2048, "OS panic: %s", str);
-}
-
-void rtas_os_term(void)
+void rtas_os_term(char *str)
 {
 	int status;
 
+	if (panic_timeout)
+		return;
+
 	if (RTAS_UNKNOWN_SERVICE == rtas_token("ibm,os-term"))
 		return;
 
+	snprintf(rtas_os_term_buf, 2048, "OS panic: %s", str);
+
 	do {
 		status = rtas_call(rtas_token("ibm,os-term"), 1, 1, NULL,
 				   __pa(rtas_os_term_buf));
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index fdeefe54ea9135..fdb9b1c8f977e0 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -507,8 +507,7 @@ define_machine(pseries) {
 	.restart		= rtas_restart,
 	.power_off		= pSeries_power_off,
 	.halt			= rtas_halt,
-	.panic			= rtas_panic_msg,
-	.machine_shutdown	= rtas_os_term,
+	.panic			= rtas_os_term,
 	.get_boot_time		= rtas_get_boot_time,
 	.get_rtc_time		= rtas_get_rtc_time,
 	.set_rtc_time		= rtas_set_rtc_time,
diff --git a/arch/ppc/configs/ml300_defconfig b/arch/ppc/configs/ml300_defconfig
index 69bad91a6b656d..d66cacdb95be69 100644
--- a/arch/ppc/configs/ml300_defconfig
+++ b/arch/ppc/configs/ml300_defconfig
@@ -719,7 +719,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 
diff --git a/arch/ppc/configs/ml403_defconfig b/arch/ppc/configs/ml403_defconfig
index a78896ea456066..71bcfa7ab7f7f1 100644
--- a/arch/ppc/configs/ml403_defconfig
+++ b/arch/ppc/configs/ml403_defconfig
@@ -720,7 +720,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 
diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index 87db8728e82d19..8eaa7b28d9d07d 100644
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -164,8 +164,7 @@ extern int rtas_call(int token, int, int, int *, ...);
 extern void rtas_restart(char *cmd);
 extern void rtas_power_off(void);
 extern void rtas_halt(void);
-extern void rtas_panic_msg(char *str);
-extern void rtas_os_term(void);
+extern void rtas_os_term(char *str);
 extern int rtas_get_sensor(int sensor, int index, int *state);
 extern int rtas_get_power_level(int powerdomain, int *level);
 extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);