From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13142C433EF for ; Mon, 18 Jun 2018 15:03:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CCBC3208A5 for ; Mon, 18 Jun 2018 15:03:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCBC3208A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964853AbeFRPDu (ORCPT ); Mon, 18 Jun 2018 11:03:50 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:45703 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934773AbeFRPDr (ORCPT ); Mon, 18 Jun 2018 11:03:47 -0400 Received: from wuerfel.lan ([95.208.111.237]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.145]) with ESMTPA (Nemesis) id 0MXHhV-1fgjvF43y1-00WHyw; Mon, 18 Jun 2018 17:03:33 +0200 From: Arnd Bergmann To: Andrew Morton Cc: Arnd Bergmann , Dave Young , Xunlei Pang , Baoquan He , "Kirill A. Shutemov" , Petr Tesarik , Matthew Wilcox , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , linux-kernel@vger.kernel.org Subject: [PATCH] crash: print timestamp using time64_t Date: Mon, 18 Jun 2018 17:03:01 +0200 Message-Id: <20180618150329.941903-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K1:w03wT6vJO/pi4aWPc0WXIP4TcjBByuzb00xVaaJuA3rn4MLdVf/ xaVCZTxH57oPx2vGkE6ky/iSuy+KMp+pKnd+0JoImIuMvdlD/Aecqls5hWjXaOHQDS0JVFH h7Oprz57Nq0gchzfFLTPYUeNrzlcy0HOcczoNw+4jWXMVMV+Ss+yJXks3QckjlxW6a+Y2+p rlZ7PfRir27H6aU0Mfhuw== X-UI-Out-Filterresults: notjunk:1;V01:K0:XABJns4SUFo=:lFQpteQCeIeYoNgzxey6KU qTPcUC/AlL4eqae9kekqJTG8JGDMmA4aWu3NviJVtnPfH7B0y4KxIrwOnpsmw3cB+hGl2LFwG gVWanrfaNmV6pyDUNyNx3I4I1nWD0JTvMBvbjXeVHEqBghhwHFGXmxE1H1vmdVVapbNjRAbyn gvsbtC8CuNaxNhdZ6ug+VfFbFel7Lni24SSOSdiE18OysBkLctlqzlFVAakKGaTXgbDmXnOjB nnymZDLlKI7pYl5SIwWwofgxB4bMAW896Kp2qmoUvR0uPznYV0S19PyudUcCKdK7OR/sEBNB6 vajjuyXZE07KtxotOjhO71J0/LxSEVVJ5BaLy23V9oBWbWPga7xTKvKZWrFsP4DFP1a/eS2QN bIuL16ZhECUSv4O4Qqel1axi3O/ogk7eTZukpKSA+EBhczqgHqAmpdqM/kspqxmm2Ys8N8Qpe JhUJxbVLrXoWOhXwBWH9VXHfkIS72hGZBp+HQIxsmcgJfZg5xagDbqRXxxq/S505AQFG9VWjt IDxwI4mXH0QOArHkIJT6UHnxl+CRQ+rltkCRT/fKT6/cIgIWu4DrM2+daIYyCeYhK/9VEGpLH KnqWOICZSNfmS5nqKsqTicFc5wBxQ2wvmqEC+uIWnj9wTJ1htJRg0TqP3rCehHPCIkQujhkMk ZXuW2FMHyEB00uCZIvu323mJEuDV4CJiBOfhab/5lPViBtdmNR/wx3COzYICQLL8W6nQ= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The get_seconds() call returns a 32-bit timestamp on some architectures, and will overflow in the future. The newer ktime_get_real_seconds() always returns a 64-bit timestamp that does not suffer from this problem. Signed-off-by: Arnd Bergmann --- kernel/crash_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/crash_core.c b/kernel/crash_core.c index b66aced5e8c2..9612b2571bd6 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -344,7 +344,7 @@ void crash_save_vmcoreinfo(void) if (vmcoreinfo_data_safecopy) vmcoreinfo_data = vmcoreinfo_data_safecopy; - vmcoreinfo_append_str("CRASHTIME=%ld\n", get_seconds()); + vmcoreinfo_append_str("CRASHTIME=%lld\n", ktime_get_real_seconds()); update_vmcoreinfo_note(); } -- 2.9.0