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Date:   Thu,  2 Nov 2017 12:42:50 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        Borislav Petkov <bp@...en8.de>, Michal Hocko <mhocko@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Leon Romanovsky <leonro@...lanox.com>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] APEI/ERST: use 64-bit timestamps

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@...db.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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