Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp1840282imm; Thu, 2 Aug 2018 01:46:48 -0700 (PDT) X-Google-Smtp-Source: AAOMgpes2xK8EKBMiLHK9t5hhEe7/yvAu7Vl+XzbMnPYK28fXUy1HsckFZR12OYvJmk1Lsn96VLA X-Received: by 2002:a63:6b86:: with SMTP id g128-v6mr1879600pgc.344.1533199608113; Thu, 02 Aug 2018 01:46:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1533199608; cv=none; d=google.com; s=arc-20160816; b=sU325F7TBGg2EbriE4VTgNtYdSwi9P2kqT/S+Q4uq2qqMIHXgtRG/h7Bm4mW77OaU1 1Vlj+nr9wJATbSK2YKeqawu/bsspdoRd+vDnpuUeEWmk46J0+WXbg5vi5JoBMjz2JqEG 5f4QlgJY9sRqXRV7du9ii9OXr62ndA4eNK2ml4r7HGSkEX/gVN2wT0nW1TF6KTJ8P/76 dqvwix9i4zbuZQHUOhHFiWmGbXr+sH4ZKPAEBH2W34SI7WR2C9ykMSe1oZfB6N2V94nK UFjwivEKXjP6zWDxsGDsm/VgQ0sxVJ7W+liDbp1cTFVcK1RkpNEqUzEy9TznbpoOIufI +z3g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=kGLR0t9rODv77IGF1qAQLRPm9L4bwQa2XHPP0pVa2C4=; b=k0xy5ESXhtJOpGdyCMne2f7KnKHgAIzOqi34XDsV/WAL6sgGmX6km154sICTfdlfJ+ yRGjiVG4VA9IuWM4Y5bhA5o+0h+q5IHXXfiLBJr7xqlJOvGeTsypiZGEXzq4BYkbYpIe SENCQF+p1ADJF4fxzPL5KfNLh9zZXy2RAJNnhGO8VyLi9E7gMWWE1cPDmn2QrR6NGkyQ 1M3eHbwsWrCCsKdDppnNscCY27wR+/CP1yD0D7jqoOtPCpVwO37CHEwmqbQhW4A+3RDP lp5akkff3QS8YfrgnalNpJPlN2sVyPc+JMMcbezQ0RFDReUFESPgTryWLH14wvmgTf+b Pa6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=n0rKjYRH; 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 j8-v6si1004737pll.493.2018.08.02.01.46.33; Thu, 02 Aug 2018 01:46:48 -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; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=n0rKjYRH; 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 S1727262AbeHBKfu (ORCPT + 99 others); Thu, 2 Aug 2018 06:35:50 -0400 Received: from merlin.infradead.org ([205.233.59.134]:56072 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726194AbeHBKfu (ORCPT ); Thu, 2 Aug 2018 06:35:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=kGLR0t9rODv77IGF1qAQLRPm9L4bwQa2XHPP0pVa2C4=; b=n0rKjYRH4sP2XTpIQCvZaWQ7c c8UQD8VfhTreXKRyGwLZrajITrYIEzcXTGTfdkdvA6+burZDV9wwpwvCyin/luYangCE85IcSnChF ZwfaDA9vDu/YsQyozFQloCrX3u+3gq/2aiaSFJagmJ0anDBMTo2QQMQs6DKiCKVmI/AmlLMTN3w+4 DdB24Mqzf0R/tDb+nCQ3PbUaxmOxWfbiTspPfPSFrjpRpFLq1SJsxSpvsRLIVqYGUCRrTzP1Z84p6 oC+eUA9kUV1BMAitkAwZAC3UVzJa9VDTx7MCffmWR16N2XUH5zPf+Ukuszon8Hja4zKCekuIp7RAM xfae2AuYQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fl9Ek-0004AZ-OT; Thu, 02 Aug 2018 08:45:35 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id E65AE20267E42; Thu, 2 Aug 2018 10:45:32 +0200 (CEST) Date: Thu, 2 Aug 2018 10:45:32 +0200 From: Peter Zijlstra To: Sodagudi Prasad Cc: mingo@kernel.org, gregkh@linuxfoundation.org, bigeasy@linutronix.de, tglx@linutronix.de, isaacm@codeaurora.org, linux-kernel@vger.kernel.org Subject: Re: cpu stopper threads and setaffinity leads to deadlock Message-ID: <20180802084532.GJ2494@hirez.programming.kicks-ass.net> References: <24eebe1d874cb8e3b9a18087554544fa@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24eebe1d874cb8e3b9a18087554544fa@codeaurora.org> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 01, 2018 at 06:34:40PM -0700, Sodagudi Prasad wrote: > the Linux-4.14.56 kernel. Can you also please run on something recent...