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=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,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 29AA4C33CA9 for ; Mon, 13 Jan 2020 19:11:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED9DE222C4 for ; Mon, 13 Jan 2020 19:11:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728869AbgAMTLu (ORCPT ); Mon, 13 Jan 2020 14:11:50 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:39889 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728865AbgAMTJh (ORCPT ); Mon, 13 Jan 2020 14:09:37 -0500 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1ir55h-00011J-QW; Mon, 13 Jan 2020 20:09:33 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id A71A41C18E4; Mon, 13 Jan 2020 20:09:28 +0100 (CET) Date: Mon, 13 Jan 2020 19:09:28 -0000 From: "tip-bot2 for Andrei Vagin" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: timers/core] alarmtimer: Make nanosleep() time namespace aware Cc: Andrei Vagin , Dmitry Safonov , Thomas Gleixner , x86 , LKML In-Reply-To: <20191112012724.250792-16-dima@arista.com> References: <20191112012724.250792-16-dima@arista.com> MIME-Version: 1.0 Message-ID: <157894256854.19145.5832898443280847905.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the timers/core branch of tip: Commit-ID: a27f00cd18d392fadcaca463506303ab668a6891 Gitweb: https://git.kernel.org/tip/a27f00cd18d392fadcaca463506303ab668a6891 Author: Andrei Vagin AuthorDate: Tue, 12 Nov 2019 01:27:04 Committer: Thomas Gleixner CommitterDate: Mon, 13 Jan 2020 08:10:52 +01:00 alarmtimer: Make nanosleep() time namespace aware clock_nanosleep() accepts absolute values of expiration time when the TIMER_ABSTIME flag is set. This absolute value is inside the task's time namespace and has to be converted to the host's time. Co-developed-by: Dmitry Safonov Signed-off-by: Andrei Vagin Signed-off-by: Dmitry Safonov Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20191112012724.250792-16-dima@arista.com --- kernel/time/alarmtimer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 9a8e81b..b51b36e 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -839,6 +839,8 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags, ktime_t now = alarm_bases[type].get_ktime(); exp = ktime_add_safe(now, exp); + } else { + exp = timens_ktime_to_host(which_clock, exp); } ret = alarmtimer_do_nsleep(&alarm, exp, type);