Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752535AbaJ0VlQ (ORCPT ); Mon, 27 Oct 2014 17:41:16 -0400 Received: from www.linutronix.de ([62.245.132.108]:40754 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751605AbaJ0VlP (ORCPT ); Mon, 27 Oct 2014 17:41:15 -0400 Date: Mon, 27 Oct 2014 22:41:13 +0100 (CET) From: Thomas Gleixner To: "pang.xunlei" cc: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, John Stultz , Alessandro Zummo Subject: Re: [PATCH RFC 06/12] time: Fix build warnings for time64_t to __kernel_time_t warning on 64-bit systems. In-Reply-To: <1414388802-5866-5-git-send-email-pang.xunlei@linaro.org> Message-ID: References: <1414388802-5866-1-git-send-email-pang.xunlei@linaro.org> <1414388802-5866-5-git-send-email-pang.xunlei@linaro.org> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 27 Oct 2014, pang.xunlei wrote: > The kernel uses 32-bit signed value(time_t) for seconds since 1970-01-01:00:00:00, so it > will overflow at 2038-01-19 03:14:08 on 32-bit systems. We call this "2038 safety" issue. > > This patch fixed the build warnings brought by former patches. If we know that the previous patch introduced the warning and that patch has not yet been committed to any immutable git tree then we fix it in that very patch and not after the fact. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/