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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 7D095C43387 for ; Tue, 8 Jan 2019 11:05:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4DE34206B7 for ; Tue, 8 Jan 2019 11:05:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728373AbfAHLF5 (ORCPT ); Tue, 8 Jan 2019 06:05:57 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:51503 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727107AbfAHLF5 (ORCPT ); Tue, 8 Jan 2019 06:05:57 -0500 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1ggpCh-0007o7-PC; Tue, 08 Jan 2019 12:05:51 +0100 Date: Tue, 8 Jan 2019 12:05:51 +0100 From: Sebastian Andrzej Siewior To: Peter Zijlstra Cc: Mike Galbraith , Tom Putzeys , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" , Thomas Gleixner Subject: Re: CFS scheduler: spin_lock usage causes dead lock when smp_apic_timer_interrupt occurs Message-ID: <20190108110551.zdvm5mpbdyphspiy@linutronix.de> References: <20190107102613.GC2861@worktop.programming.kicks-ass.net> <1546864114.26963.5.camel@gmx.de> <20190107125231.GE14122@hirez.programming.kicks-ass.net> <1546925459.17252.2.camel@gmx.de> <20190108090625.GN15430@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190108090625.GN15430@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-01-08 10:06:25 [+0100], Peter Zijlstra wrote: > Much appreciated; I queued it as the below. thank you, queued, too. Sebastian