Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp5175272yba; Mon, 13 May 2019 06:40:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqxNHjlQobDjXYLgvguM6V8Zh5aORcLbyT3jCKIrfsftm/oLNIvy7stO7ofKYsDAvq0aMnin X-Received: by 2002:a63:fb45:: with SMTP id w5mr31270431pgj.397.1557754815301; Mon, 13 May 2019 06:40:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557754815; cv=none; d=google.com; s=arc-20160816; b=FFl4XVOXc0WyPwm+J/LVBYIFPXRt/Y3Da5tKmRxsDIr9Pg2hQOsPjsp55tezawx7JG kOBVTJETThz+i4aHlHWV9fOzKuaxEfRxIOv2RVjl3OIj2dDjLO3ZlOGA0zHpOnez2+BT t43G2iviLtnK07Kj9xQGXpACLu/YVAu5iCcZJ2wwlm79EoKLK44irKcqwJvGkyQdlQmM SBIgF6B+dfuXiaWrtPF/THt1gUZmh/ddL9zycUc2zP2TIXiyQsAeLEqFjFh8/AXVDKvo cFG7l4Qg3uT2zWxD1csJdH70LdPV+sfHFjjAPMnWxIeTaiqAJa3UurnQyxQszxTdWWZh w/jw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:references:cc:to:from:subject; bh=oKL9HR2BgSX9+VKRrJ8MOWVl+HByFP9LF7IiOe3+HQs=; b=Kj/gwd392d0tpYH8Ktb6Zmiuu+gWuI0SsBsw71ykp4x4Jrf9l63okvvr9+LSHYLYOu ksRldB1HO7mhiV+0qk3OmUmjcDIgVlnC8+5loGHDngfi+BCTrdptEAnprJCIhSOU2PBd QAOUO4fOj3B3wBhOZtG3/WN9CTF7DygA9DncwkqNdJ1lzlG6jAg2Qc2U4hJ6Ikds4HjD QVMJ7Cf1G5c/5HQFsHXQoF9QLXLH9+gK9NVk29jJ4nHnvgSseAtR3B2ruh1xXobbKbyM ccGq7TQhuJ9G4lbkpBbZxBzWGLc+P2MVfmKlQqwE2vsGuXnd+x1cPRBDm0Lnaf/4rAHa DZMA== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w125si17930430pfw.137.2019.05.13.06.39.59; Mon, 13 May 2019 06:40:15 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729789AbfEMMTd (ORCPT + 99 others); Mon, 13 May 2019 08:19:33 -0400 Received: from mail.monom.org ([188.138.9.77]:37292 "EHLO mail.monom.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727414AbfEMMTd (ORCPT ); Mon, 13 May 2019 08:19:33 -0400 Received: from mail.monom.org (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id 212AE50065D; Mon, 13 May 2019 14:19:31 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.monom.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.2 Received: from [127.0.0.1] (mail.monom.org [188.138.9.77]) by mail.monom.org (Postfix) with ESMTPSA id D9E6A5003CD; Mon, 13 May 2019 14:19:30 +0200 (CEST) Subject: Re: [PATCH] Fix a lockup in wait_for_completion() and friends From: Daniel Wagner To: minyard@acm.org, linux-rt-users Cc: Corey Minyard , LKML , Peter Zijlstra References: <20190508202759.13842-1-minyard@acm.org> Message-ID: <2b918cd0-b01f-3417-6ba0-d4bb12cfd3c5@monom.org> Date: Mon, 13 May 2019 14:19:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Added Peter and lkml to the CC since this is mainline and not -rt only. Argh, forget it. was late to the party and missed the discussion.