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_HELO_NONE,SPF_PASS 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 73F6FC43331 for ; Fri, 3 Apr 2020 18:25:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D796206F5 for ; Fri, 3 Apr 2020 18:25:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404201AbgDCSZV (ORCPT ); Fri, 3 Apr 2020 14:25:21 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:40817 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404021AbgDCSZU (ORCPT ); Fri, 3 Apr 2020 14:25:20 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1jKR02-0002M3-Dc; Fri, 03 Apr 2020 20:25:02 +0200 Date: Fri, 3 Apr 2020 20:25:02 +0200 From: Sebastian Andrzej Siewior To: Daniel Jordan Cc: kernel test robot , Thomas Gleixner , Ingo Molnar , "Peter Zijlstra (Intel)" , linux-kernel@vger.kernel.org, LKP , Tejun Heo , Lai Jiangshan Subject: Re: [PATCH v2] workqueue: Remove the warning in wq_worker_sleeping() Message-ID: <20200403182502.woqrxpydt3n6l6ie@linutronix.de> References: <20200327074308.GY11705@shao2-debian> <20200327175350.rw5gex6cwum3ohnu@linutronix.de> <20200327232959.rpylymw2edhtxuwr@linutronix.de> <20200403174500.75rwuijdri5ewl5c@ca-dmjordan1.us.oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200403174500.75rwuijdri5ewl5c@ca-dmjordan1.us.oracle.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-04-03 13:45:00 [-0400], Daniel Jordan wrote: > Why would preemption prevent it? Interrupts are still enabled. > > What am I missing? :-) Preemption is disabled which means no other task is allowed to be scheduled. Sebastian From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4374866166662184503==" MIME-Version: 1.0 From: Sebastian Andrzej Siewior To: lkp@lists.01.org Subject: Re: [PATCH v2] workqueue: Remove the warning in wq_worker_sleeping() Date: Fri, 03 Apr 2020 20:25:02 +0200 Message-ID: <20200403182502.woqrxpydt3n6l6ie@linutronix.de> In-Reply-To: <20200403174500.75rwuijdri5ewl5c@ca-dmjordan1.us.oracle.com> List-Id: --===============4374866166662184503== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 2020-04-03 13:45:00 [-0400], Daniel Jordan wrote: > Why would preemption prevent it? Interrupts are still enabled. > = > What am I missing? :-) Preemption is disabled which means no other task is allowed to be scheduled. Sebastian --===============4374866166662184503==--