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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 4F359C3A5A0 for ; Mon, 19 Aug 2019 15:46:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CA312070B for ; Mon, 19 Aug 2019 15:46:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728105AbfHSPqO (ORCPT ); Mon, 19 Aug 2019 11:46:14 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:47802 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727962AbfHSPpy (ORCPT ); Mon, 19 Aug 2019 11:45:54 -0400 Received: from localhost ([127.0.0.1] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1hzjqy-00071w-37; Mon, 19 Aug 2019 17:45:52 +0200 Message-Id: <20190819143805.022020654@linutronix.de> User-Agent: quilt/0.65 Date: Mon, 19 Aug 2019 16:32:19 +0200 From: Thomas Gleixner To: LKML Cc: Oleg Nesterov , Ingo Molnar , Peter Zijlstra , John Stultz , Frederic Weisbecker , Anna-Maria Behnsen Subject: [patch 38/44] posix-cpu-timers: Respect INFINITY for hard RTTIME limit References: <20190819143141.221906747@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The RTIME limit expiry code does not check the hard RTTIME limit for INFINITY, i.e. being disabled. Add it. Signed-off-by: Thomas Gleixner --- kernel/time/posix-cpu-timers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -905,7 +905,7 @@ static void check_process_timers(struct u64 softns, ptime = samples[CPUCLOCK_PROF]; unsigned long psecs = div_u64(ptime, NSEC_PER_SEC); - if (psecs >= hard) { + if (hard != RLIM_INFINITY && psecs >= hard) { /* * At the hard limit, we just die. * No need to calculate anything else now.