From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751710AbeECOR2 (ORCPT ); Thu, 3 May 2018 10:17:28 -0400 Received: from mout.gmx.net ([212.227.17.21]:44123 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751236AbeECORY (ORCPT ); Thu, 3 May 2018 10:17:24 -0400 Message-ID: <1525357015.5577.2.camel@gmx.de> Subject: Re: cpu stopper threads and load balancing leads to deadlock From: Mike Galbraith To: Peter Zijlstra Cc: Matt Fleming , Ingo Molnar , linux-kernel@vger.kernel.org, Michal Hocko , Paul McKenney Date: Thu, 03 May 2018 16:16:55 +0200 In-Reply-To: <20180503135617.GC12217@hirez.programming.kicks-ass.net> References: <20180417142119.GA4511@codeblueprint.co.uk> <20180420095005.GH4064@hirez.programming.kicks-ass.net> <20180424133325.GA3179@codeblueprint.co.uk> <1525349542.9956.2.camel@gmx.de> <20180503122808.GZ12217@hirez.programming.kicks-ass.net> <1525351221.9956.4.camel@gmx.de> <20180503124943.GB12217@hirez.programming.kicks-ass.net> <1525354359.5576.1.camel@gmx.de> <20180503135617.GC12217@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:P1S5Al/8+5dbjTcBD70nCYfqNghpWZZF1hPeLGsdGl22TxYDQCu Nio4Z8GbJFHxLozKSrgUg/dt1KL9hNxf09bKV+sRX+ve4mh2RlJVNKFLVhcL5VP/Vx5LO7c rE4as59TGkVHcqq35AIaLdyzh+yCdl0oLNbNhghUcSZbblt7mp6PlC8nfEW8jDLVTd961MI ay0asyyWKhKU+EiX25Jlg== X-UI-Out-Filterresults: notjunk:1;V01:K0:8bST8YTjpvg=:Ac7uJarTWTdxo8wLuHazPt iCA9zNepswJykuzkbH1s3JE1TsLjLN7WazYZRqAjgmZT7YQQlh4v8xbBNoSs1o3NnuBdUf/9K su9OoQGVgC0uUGF1n7VWzzNY7xiN/lnHkeOuqcV9m/Or34bCQVg9Gz7JpOY3oDIy1/ifHCRfl /9jpD9C/si6cvm7envBcAzvvrZgYKcKCniY6z575lI28cIQG2bzoT1SZidnATKFe17JuA+Jv1 GSfTbkDhuRI2XCjVtC4Qp9INFKi0VEI6qEjDYuVejBtjMysERBf3XeBhfQpWMO4DW7Z1YTmSS bdIBLRK4WGQ2v+UcvmGlGMEfJ/dCuro/TboV+FPeO6pBgruqWQrLUZBeK/jlKCPF44duQemUE Qr7S/9QFEbOj2M0zQ+jFMLSfR3j1DVQX7Awo2AjYk2D3dR1urMfyvBzDACaM9g87ePsa1HcB9 TiIdiuDM03TZwhGku/7RJTc9q6l+mPIW68/IW8bec82ubys8qQQ4Afnsiyg77UJXAK7QnOsea LIYv/Z+0bD+5ygEsZ0RYwMwCWsfBTswJBn1M/BdLLLUqLGn34gAb5UUiZUU02KZpTOl+hkOcI Rw55YcyKxaJOFmUO4aHVPbsk8EGwqC+atY7cjQ6useNj2VGFyG/WEATRWQ8Fwdwl5k+aD97CN gi5Lf4Ym4Za5mJXXRrlE9ZuOcT7qMyTjHebM/at4LGT3fQiigFleaZ4KlKcd8WBdnfjH5T74N yBBktRVs4RWfS6JNOXUfaTz/CVM/9HsLNUf5hZPo0DdVj9wWUy/p6e8RVSksWAd0epv048mhV O95f7GY Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2018-05-03 at 15:56 +0200, Peter Zijlstra wrote: > On Thu, May 03, 2018 at 03:32:39PM +0200, Mike Galbraith wrote: > > > Dang. With $subject fix applied as well.. > > That's a NO then... :-( Could say who cares about oddball offline wakeup stat.