linux-kernel - Re: [PATCH 2/3] scsi: 3ware: use 64-bit times for FW time sync

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Message-ID: <yq1shd8misz.fsf@oracle.com>
Date:   Mon, 20 Nov 2017 22:06:52 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Adam Radford <aradford@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] scsi: 3ware: use 64-bit times for FW time sync


Arnd,

> The calculation of the number of seconds since Sunday 00:00:00
> overflows in 2106, meaning that we instead will return the seconds
> since Wednesday 06:28:16 afterwards.
>
> Using 64-bit time stamps avoids this slight inconsistency, and the
> deprecated do_gettimeofday(), replacing it with the simpler
> ktime_get_real_seconds().

Applied to 4.16/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering