powerpc/powernv: Machine check handler for POWER10

[linux-2.6-microblaze.git] / arch / powerpc / kernel / mce.c

diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index fd90c0e..c2fa8ee 100644 (file)
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -49,6 +49,20 @@ static struct irq_work mce_ue_event_irq_work = {
 
 DECLARE_WORK(mce_ue_event_work, machine_process_ue_event);
 
+static BLOCKING_NOTIFIER_HEAD(mce_notifier_list);
+
+int mce_register_notifier(struct notifier_block *nb)
+{
+       return blocking_notifier_chain_register(&mce_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(mce_register_notifier);
+
+int mce_unregister_notifier(struct notifier_block *nb)
+{
+       return blocking_notifier_chain_unregister(&mce_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(mce_unregister_notifier);
+
 static void mce_set_error_info(struct machine_check_event *mce,
                               struct mce_error_info *mce_err)
 {
@@ -278,6 +292,7 @@ static void machine_process_ue_event(struct work_struct *work)
        while (__this_cpu_read(mce_ue_count) > 0) {
                index = __this_cpu_read(mce_ue_count) - 1;
                evt = this_cpu_ptr(&mce_ue_event_queue[index]);
+               blocking_notifier_call_chain(&mce_notifier_list, 0, evt);
 #ifdef CONFIG_MEMORY_FAILURE
                /*
                 * This should probably queued elsewhere, but
@@ -370,6 +385,7 @@ void machine_check_print_event_info(struct machine_check_event *evt,
        static const char *mc_user_types[] = {
                "Indeterminate",
                "tlbie(l) invalid",
+               "scv invalid",
        };
        static const char *mc_ra_types[] = {
                "Indeterminate",