diff mbox series

[RESEND,v7,4/6] ACPI / APEI: Add callback for ARM HW errors to the GHES notifier

Message ID 20200421132136.1595-5-shiju.jose@huawei.com
State New
Headers show
Series ACPI / APEI: Add support to notify non-fatal HW errors | expand

Commit Message

Shiju Jose April 21, 2020, 1:21 p.m. UTC
Add callback function for handling the ARM HW errors to the GHES notifier.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
---
 drivers/acpi/apei/ghes.c | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

Comments

Dan Carpenter April 21, 2020, 2:14 p.m. UTC | #1
On Tue, Apr 21, 2020 at 02:21:34PM +0100, Shiju Jose wrote:
>  static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
> @@ -670,12 +692,7 @@ static void ghes_do_proc(struct ghes *ghes,
>  			pr_warn(GHES_PFX "ghes event queue full\n");
>  			break;
>  		}
> -
> -		if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
> -			struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
> -
> -			log_arm_hw_error(err);
> -		} else {
> +		{
>  			void *err = acpi_hest_get_payload(gdata);

This is ugly.  Just move the "void *err;" declaration to the top of the
function so we can delete this block.

>  
>  			log_non_standard_event(sec_type, fru_id, fru_text,
> -- 

regards,
dan carpenter
Shiju Jose April 21, 2020, 3:18 p.m. UTC | #2
Hi Dan,

>-----Original Message-----
>From: Dan Carpenter [mailto:dan.carpenter@oracle.com]
>Sent: 21 April 2020 15:14
>To: Shiju Jose <shiju.jose@huawei.com>
>Cc: linux-acpi@vger.kernel.org; linux-pci@vger.kernel.org; linux-
>kernel@vger.kernel.org; rjw@rjwysocki.net; bp@alien8.de;
>james.morse@arm.com; helgaas@kernel.org; lenb@kernel.org;
>tony.luck@intel.com; gregkh@linuxfoundation.org;
>zhangliguang@linux.alibaba.com; tglx@linutronix.de; Linuxarm
><linuxarm@huawei.com>; Jonathan Cameron
><jonathan.cameron@huawei.com>; tanxiaofei <tanxiaofei@huawei.com>;
>yangyicong <yangyicong@huawei.com>
>Subject: Re: [RESEND PATCH v7 4/6] ACPI / APEI: Add callback for ARM HW
>errors to the GHES notifier
>
>On Tue, Apr 21, 2020 at 02:21:34PM +0100, Shiju Jose wrote:
>>  static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
>> @@ -670,12 +692,7 @@ static void ghes_do_proc(struct ghes *ghes,
>>  			pr_warn(GHES_PFX "ghes event queue full\n");
>>  			break;
>>  		}
>> -
>> -		if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
>> -			struct cper_sec_proc_arm *err =
>acpi_hest_get_payload(gdata);
>> -
>> -			log_arm_hw_error(err);
>> -		} else {
>> +		{
>>  			void *err = acpi_hest_get_payload(gdata);
>
>This is ugly.  Just move the "void *err;" declaration to the top of the function
>so we can delete this block.
Ok. I will change. 
>
>>
>>  			log_non_standard_event(sec_type, fru_id, fru_text,
>> --
>
>regards,
>dan carpenter

Thanks,
Shiju
diff mbox series

Patch

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 67ef1742fc93..3b89c7621a0d 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -564,6 +564,20 @@  static int ghes_handle_aer(struct notifier_block *nb, unsigned long event,
 	return NOTIFY_STOP;
 }
 
+static int ghes_handle_arm_hw_error(struct notifier_block *nb,
+				    unsigned long event, void *data)
+{
+	struct acpi_hest_generic_data *gdata = data;
+	struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+
+	if (!guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PROC_ARM))
+		return NOTIFY_DONE;
+
+	log_arm_hw_error(err);
+
+	return NOTIFY_STOP;
+}
+
 static struct notifier_block ghes_notifier_mem_error = {
 	.notifier_call = ghes_handle_memory_failure,
 };
@@ -572,6 +586,10 @@  static struct notifier_block ghes_notifier_aer = {
 	.notifier_call = ghes_handle_aer,
 };
 
+static struct notifier_block ghes_notifier_arm_hw_error = {
+	.notifier_call = ghes_handle_arm_hw_error,
+};
+
 struct ghes_error_handler_list {
 	const char *name;
 	struct notifier_block *nb;
@@ -586,6 +604,10 @@  static const struct ghes_error_handler_list ghes_error_handler_list[] = {
 		.name = "ghes_notifier_aer",
 		.nb = &ghes_notifier_aer,
 	},
+	{
+		.name = "ghes_notifier_arm_hw_error",
+		.nb = &ghes_notifier_arm_hw_error,
+	},
 };
 
 static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
@@ -670,12 +692,7 @@  static void ghes_do_proc(struct ghes *ghes,
 			pr_warn(GHES_PFX "ghes event queue full\n");
 			break;
 		}
-
-		if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
-			struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
-
-			log_arm_hw_error(err);
-		} else {
+		{
 			void *err = acpi_hest_get_payload(gdata);
 
 			log_non_standard_event(sec_type, fru_id, fru_text,