From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752552AbdKUDHD (ORCPT ); Mon, 20 Nov 2017 22:07:03 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:30938 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752250AbdKUDHC (ORCPT ); Mon, 20 Nov 2017 22:07:02 -0500 To: Arnd Bergmann Cc: Adam Radford , "James E.J. Bottomley" , "Martin K. Petersen" , Sumit Saxena , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] scsi: 3ware: use 64-bit times for FW time sync From: "Martin K. Petersen" Organization: Oracle Corporation References: <20171110155840.1941250-1-arnd@arndb.de> <20171110155840.1941250-2-arnd@arndb.de> Date: Mon, 20 Nov 2017 22:06:52 -0500 In-Reply-To: <20171110155840.1941250-2-arnd@arndb.de> (Arnd Bergmann's message of "Fri, 10 Nov 2017 16:58:26 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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