Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp768609ybb; Fri, 3 Apr 2020 11:26:40 -0700 (PDT) X-Google-Smtp-Source: APiQypIrkRJ4LTPWtzniFyW5R37uz4yAs/OQsHlt2ShSweaEUiiJwH6B5y/NlDiLmqAxCSY/azbx X-Received: by 2002:aca:a9d4:: with SMTP id s203mr4243687oie.106.1585938399911; Fri, 03 Apr 2020 11:26:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585938399; cv=none; d=google.com; s=arc-20160816; b=kh4D7jiJtYTSDzfspcDqmpWrwyJrxtMqzESRI9av8Lv//Yyk2YWxow+V5hNgP0s0Qv Fwci/xkzXNDyDMzRtSANqwox46/2mdkUkYe8gmcv+rAvHfXdN8wynz0qsFO4HASb/BlU Jgy1gJko+CfTnEstGZd2UED4aoaGv6XDF7ZZto2FFJAPgX2JMo5fcPLKqU5MkSyK2uhc HonU/XlGhZ+aQnGYbCm2PvogVPIqbxO3rxf4ktt6PVmWpwfzcqlzMp8z6wZe/85vb9fm hZK4Bw7dxcRRXYdmIV2dr2KMARbWF9UagUfuVU6fwlpnuRSAmQgIH5SmSK9xjfgCAsc/ MBIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=5kiyT2V7Qgita0SDy3HF9LLVC5L4yCkcEmgciV5OqaE=; b=h+euIDC6TccA8CqJ/X4ho16/p+GTbkp6m2+Bro/KX8zyDEcZRjGflJEuXTk4b1Hlfm XrPQ3TNExhg79VaMEbwttAmqsA/CtDrgStyRpB+8ezfT0yLMEPuX9h4MRqEJXg2MvOQp 2g/NvEbA5VocHpxgGov6AwC8jOh+mFBqE4lKijT8dupvsgjP5Y4+tZNEot/Cvm/pYWkM mkmpdC1lLpn1t3PzYkAhqhO7Gc9AsLh0dofBfIbo7uOxIWDnWYm6zDMoy1nlnz5HhS2F lb25x15wikKcM9hptmC6mZgtC7kCIUq6fSN0gcI/5heh/QsR/qr+tFlxbC2+pOEA/ui3 LMDQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a1si3677975oie.70.2020.04.03.11.26.26; Fri, 03 Apr 2020 11:26:39 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404157AbgDCSZV (ORCPT + 99 others); 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