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-rw-r--r--drivers/acpi/apei/ghes.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index d0855c09f32f..d2c8a9286fa8 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -89,14 +89,14 @@ bool ghes_disable;
module_param_named(disable, ghes_disable, bool, 0);
/*
- * All error sources notified with SCI shares one notifier function,
- * so they need to be linked and checked one by one. This is applied
- * to NMI too.
+ * All error sources notified with HED (Hardware Error Device) share a
+ * single notifier callback, so they need to be linked and checked one
+ * by one. This holds true for NMI too.
*
* RCU is used for these lists, so ghes_list_mutex is only used for
* list changing, not for traversing.
*/
-static LIST_HEAD(ghes_sci);
+static LIST_HEAD(ghes_hed);
static DEFINE_MUTEX(ghes_list_mutex);
/*
@@ -702,14 +702,14 @@ static irqreturn_t ghes_irq_func(int irq, void *data)
return IRQ_HANDLED;
}
-static int ghes_notify_sci(struct notifier_block *this,
- unsigned long event, void *data)
+static int ghes_notify_hed(struct notifier_block *this, unsigned long event,
+ void *data)
{
struct ghes *ghes;
int ret = NOTIFY_DONE;
rcu_read_lock();
- list_for_each_entry_rcu(ghes, &ghes_sci, list) {
+ list_for_each_entry_rcu(ghes, &ghes_hed, list) {
if (!ghes_proc(ghes))
ret = NOTIFY_OK;
}
@@ -718,8 +718,8 @@ static int ghes_notify_sci(struct notifier_block *this,
return ret;
}
-static struct notifier_block ghes_notifier_sci = {
- .notifier_call = ghes_notify_sci,
+static struct notifier_block ghes_notifier_hed = {
+ .notifier_call = ghes_notify_hed,
};
#ifdef CONFIG_HAVE_ACPI_APEI_NMI
@@ -966,7 +966,10 @@ static int ghes_probe(struct platform_device *ghes_dev)
case ACPI_HEST_NOTIFY_POLLED:
case ACPI_HEST_NOTIFY_EXTERNAL:
case ACPI_HEST_NOTIFY_SCI:
+ case ACPI_HEST_NOTIFY_GSIV:
+ case ACPI_HEST_NOTIFY_GPIO:
break;
+
case ACPI_HEST_NOTIFY_NMI:
if (!IS_ENABLED(CONFIG_HAVE_ACPI_APEI_NMI)) {
pr_warn(GHES_PFX "Generic hardware error source: %d notified via NMI interrupt is not supported!\n",
@@ -1024,13 +1027,17 @@ static int ghes_probe(struct platform_device *ghes_dev)
goto err_edac_unreg;
}
break;
+
case ACPI_HEST_NOTIFY_SCI:
+ case ACPI_HEST_NOTIFY_GSIV:
+ case ACPI_HEST_NOTIFY_GPIO:
mutex_lock(&ghes_list_mutex);
- if (list_empty(&ghes_sci))
- register_acpi_hed_notifier(&ghes_notifier_sci);
- list_add_rcu(&ghes->list, &ghes_sci);
+ if (list_empty(&ghes_hed))
+ register_acpi_hed_notifier(&ghes_notifier_hed);
+ list_add_rcu(&ghes->list, &ghes_hed);
mutex_unlock(&ghes_list_mutex);
break;
+
case ACPI_HEST_NOTIFY_NMI:
ghes_nmi_add(ghes);
break;
@@ -1066,14 +1073,18 @@ static int ghes_remove(struct platform_device *ghes_dev)
case ACPI_HEST_NOTIFY_EXTERNAL:
free_irq(ghes->irq, ghes);
break;
+
case ACPI_HEST_NOTIFY_SCI:
+ case ACPI_HEST_NOTIFY_GSIV:
+ case ACPI_HEST_NOTIFY_GPIO:
mutex_lock(&ghes_list_mutex);
list_del_rcu(&ghes->list);
- if (list_empty(&ghes_sci))
- unregister_acpi_hed_notifier(&ghes_notifier_sci);
+ if (list_empty(&ghes_hed))
+ unregister_acpi_hed_notifier(&ghes_notifier_hed);
mutex_unlock(&ghes_list_mutex);
synchronize_rcu();
break;
+
case ACPI_HEST_NOTIFY_NMI:
ghes_nmi_remove(ghes);
break;

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