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 30017C3A5A2 for ; Mon, 19 Aug 2019 15:45:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EA4F22CE2 for ; Mon, 19 Aug 2019 15:45:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727819AbfHSPpj (ORCPT ); Mon, 19 Aug 2019 11:45:39 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:47563 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727653AbfHSPpj (ORCPT ); Mon, 19 Aug 2019 11:45:39 -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 1hzjqj-0006tQ-7P; Mon, 19 Aug 2019 17:45:37 +0200 Message-Id: <20190819143801.747233612@linutronix.de> User-Agent: quilt/0.65 Date: Mon, 19 Aug 2019 16:31:45 +0200 From: Thomas Gleixner To: LKML Cc: Oleg Nesterov , Ingo Molnar , Peter Zijlstra , John Stultz , Frederic Weisbecker , Anna-Maria Behnsen Subject: [patch 04/44] posix-cpu-timers: Fixup stale comment 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Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The comment above cleanup_timers() is outdated. The timers are only removed from the task/process list heads but not modified in any other way. Signed-off-by: Thomas Gleixner --- kernel/time/posix-cpu-timers.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -412,9 +412,10 @@ static void cleanup_timers_list(struct l } /* - * Clean out CPU timers still ticking when a thread exited. The task - * pointer is cleared, and the expiry time is replaced with the residual - * time for later timer_gettime calls to return. + * Clean out CPU timers which are still armed when a thread exits. The + * timers are only removed from the list. No other updates are done. The + * corresponding posix timers are still accessible, but cannot be rearmed. + * * This must be called with the siglock held. */ static void cleanup_timers(struct list_head *head)