diff options
Diffstat (limited to 'drivers/acpi/apei')
-rw-r--r-- | drivers/acpi/apei/ghes.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 980515e..0968816 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; |