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Diffstat (limited to 'arch/ia64/kernel/mca.c')
-rw-r--r--arch/ia64/kernel/mca.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 65bf9cd39044..d7396dbb07bb 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -2074,22 +2074,16 @@ ia64_mca_init(void)
printk(KERN_INFO "MCA related initialization done\n");
}
+
/*
- * ia64_mca_late_init
- *
- * Opportunity to setup things that require initialization later
- * than ia64_mca_init. Setup a timer to poll for CPEs if the
- * platform doesn't support an interrupt driven mechanism.
- *
- * Inputs : None
- * Outputs : Status
+ * These pieces cannot be done in ia64_mca_init() because it is called before
+ * early_irq_init() which would wipe out our percpu irq registrations. But we
+ * cannot leave them until ia64_mca_late_init() because by then all the other
+ * processors have been brought online and have set their own CMC vectors to
+ * point at a non-existant action. Called from arch_early_irq_init().
*/
-static int __init
-ia64_mca_late_init(void)
+void __init ia64_mca_irq_init(void)
{
- if (!mca_init)
- return 0;
-
/*
* Configure the CMCI/P vector and handler. Interrupts for CMC are
* per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
@@ -2108,6 +2102,23 @@ ia64_mca_late_init(void)
/* Setup the CPEI/P handler */
register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
#endif
+}
+
+/*
+ * ia64_mca_late_init
+ *
+ * Opportunity to setup things that require initialization later
+ * than ia64_mca_init. Setup a timer to poll for CPEs if the
+ * platform doesn't support an interrupt driven mechanism.
+ *
+ * Inputs : None
+ * Outputs : Status
+ */
+static int __init
+ia64_mca_late_init(void)
+{
+ if (!mca_init)
+ return 0;
register_hotcpu_notifier(&mca_cpu_notifier);