diff mbox series

APEI/ERST: use 64-bit timestamps

Message ID 20171102114320.1729239-1-arnd@arndb.de
State Accepted
Commit c0041d40ba6a352e5a5304d656e8a26e2fba1f63
Headers show
Series APEI/ERST: use 64-bit timestamps | expand

Commit Message

Arnd Bergmann Nov. 2, 2017, 11:42 a.m. UTC
32-bit timestamps are deprecated in the kernel, so we should not use
get_seconds(). In this case, the 'struct cper_record_header' structure
already contains a 64-bit field, so the only required change is to use
the safe ktime_get_real_seconds() interface as a replacement.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/acpi/apei/erst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.9.0

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Comments

Thomas Gleixner Nov. 7, 2017, 8:17 p.m. UTC | #1
On Thu, 2 Nov 2017, Arnd Bergmann wrote:

> 32-bit timestamps are deprecated in the kernel, so we should not use

> get_seconds(). In this case, the 'struct cper_record_header' structure

> already contains a 64-bit field, so the only required change is to use

> the safe ktime_get_real_seconds() interface as a replacement.

> 

> Signed-off-by: Arnd Bergmann <arnd@arndb.de>


Reviewed-by: Thomas Gleixner <tglx@linutronix.de>


> ---

>  drivers/acpi/apei/erst.c | 2 +-

>  1 file changed, 1 insertion(+), 1 deletion(-)

> 

> diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c

> index 2c462beee551..6742f6c68034 100644

> --- a/drivers/acpi/apei/erst.c

> +++ b/drivers/acpi/apei/erst.c

> @@ -1061,7 +1061,7 @@ static int erst_writer(struct pstore_record *record)

>  	rcd->hdr.error_severity = CPER_SEV_FATAL;

>  	/* timestamp valid. platform_id, partition_id are invalid */

>  	rcd->hdr.validation_bits = CPER_VALID_TIMESTAMP;

> -	rcd->hdr.timestamp = get_seconds();

> +	rcd->hdr.timestamp = ktime_get_real_seconds();

>  	rcd->hdr.record_length = sizeof(*rcd) + record->size;

>  	rcd->hdr.creator_id = CPER_CREATOR_PSTORE;

>  	rcd->hdr.notification_type = CPER_NOTIFY_MCE;

> -- 

> 2.9.0

> 

> 

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diff mbox series

Patch

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 2c462beee551..6742f6c68034 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -1061,7 +1061,7 @@  static int erst_writer(struct pstore_record *record)
 	rcd->hdr.error_severity = CPER_SEV_FATAL;
 	/* timestamp valid. platform_id, partition_id are invalid */
 	rcd->hdr.validation_bits = CPER_VALID_TIMESTAMP;
-	rcd->hdr.timestamp = get_seconds();
+	rcd->hdr.timestamp = ktime_get_real_seconds();
 	rcd->hdr.record_length = sizeof(*rcd) + record->size;
 	rcd->hdr.creator_id = CPER_CREATOR_PSTORE;
 	rcd->hdr.notification_type = CPER_NOTIFY_MCE;