diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index fbe742ad2fde..2b01e5a1f3ce 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -24,6 +24,7 @@ int kdump_status[NR_CPUS];
 static atomic_t kdump_cpu_frozen;
 atomic_t kdump_in_progress;
 static int kdump_on_init = 1;
+static int kdump_on_fatal_mca = 1;
 
 static inline Elf64_Word
 *append_elf_note(Elf64_Word *buf, char *name, unsigned type, void *data,
@@ -148,7 +149,7 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
 	struct ia64_mca_notify_die *nd;
 	struct die_args *args = data;
 
-	if (!kdump_on_init)
+	if (!kdump_on_init && !kdump_on_fatal_mca)
 		return NOTIFY_DONE;
 
 	if (!ia64_kimage) {
@@ -174,11 +175,14 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
 
 	switch (val) {
 		case DIE_INIT_MONARCH_PROCESS:
-			atomic_set(&kdump_in_progress, 1);
-			*(nd->monarch_cpu) = -1;
+			if (kdump_on_init) {
+				atomic_set(&kdump_in_progress, 1);
+				*(nd->monarch_cpu) = -1;
+			}
 			break;
 		case DIE_INIT_MONARCH_LEAVE:
-			machine_kdump_on_init();
+			if (kdump_on_init)
+				machine_kdump_on_init();
 			break;
 		case DIE_INIT_SLAVE_LEAVE:
 			if (atomic_read(&kdump_in_progress))
@@ -189,16 +193,19 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
 				unw_init_running(kdump_cpu_freeze, NULL);
 			break;
 		case DIE_MCA_MONARCH_LEAVE:
-		     /* die_register->signr indicate if MCA is recoverable */
-			if (!args->signr)
+			/* die_register->signr indicate if MCA is recoverable */
+			if (kdump_on_fatal_mca && !args->signr) {
+				atomic_set(&kdump_in_progress, 1);
+				*(nd->monarch_cpu) = -1;
 				machine_kdump_on_init();
+			}
 			break;
 	}
 	return NOTIFY_DONE;
 }
 
 #ifdef CONFIG_SYSCTL
-static ctl_table kdump_on_init_table[] = {
+static ctl_table kdump_ctl_table[] = {
 	{
 		.ctl_name = CTL_UNNUMBERED,
 		.procname = "kdump_on_init",
@@ -207,6 +214,14 @@ static ctl_table kdump_on_init_table[] = {
 		.mode = 0644,
 		.proc_handler = &proc_dointvec,
 	},
+	{
+		.ctl_name = CTL_UNNUMBERED,
+		.procname = "kdump_on_fatal_mca",
+		.data = &kdump_on_fatal_mca,
+		.maxlen = sizeof(int),
+		.mode = 0644,
+		.proc_handler = &proc_dointvec,
+	},
 	{ .ctl_name = 0 }
 };
 
@@ -215,7 +230,7 @@ static ctl_table sys_table[] = {
 	  .ctl_name = CTL_KERN,
 	  .procname = "kernel",
 	  .mode = 0555,
-	  .child = kdump_on_init_table,
+	  .child = kdump_ctl_table,
 	},
 	{ .ctl_name = 0 }
 };
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 6c18221dba36..338dbb8c2cfc 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1266,16 +1266,12 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 	} else {
 		/* Dump buffered message to console */
 		ia64_mlogbuf_finish(1);
-#ifdef CONFIG_KEXEC
-		atomic_set(&kdump_in_progress, 1);
-		monarch_cpu = -1;
-#endif
 	}
+
 	if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)
 			== NOTIFY_STOP)
 		ia64_mca_spin(__func__);
 
-
 	if (atomic_dec_return(&mca_count) > 0) {
 		int i;