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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 BC92DC43219 for ; Thu, 2 May 2019 19:14:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C0422081C for ; Thu, 2 May 2019 19:14:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="vBv6PoK0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726505AbfEBTOm (ORCPT ); Thu, 2 May 2019 15:14:42 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:41230 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725962AbfEBTOl (ORCPT ); Thu, 2 May 2019 15:14:41 -0400 Received: by mail-pg1-f196.google.com with SMTP id f6so1485668pgs.8 for ; Thu, 02 May 2019 12:14:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=T87TJAQEItZ/8IKuRT/VOsqnktTnyrxp/uVvFEniYMA=; b=vBv6PoK0WcmYtiIfYiYRttaKU6sySuqlp2bz5MAKrEwpGt1gue3gzyHG11PiGfzpcw 3MNNE7KR0yeU4+4xNbx9fp+4t1kJJWsSD3Bd3y2xlf2o948io5GNWybzWlXv1qF6rMqO W1SENeUpDnopBUPQi4IYCnMgIeGn5O8Gv2YK8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=T87TJAQEItZ/8IKuRT/VOsqnktTnyrxp/uVvFEniYMA=; b=JO5SXwt96IyGtgwBCiPYvvZc9Gw0Wmzs1nraL0XCR+oGpnd5mISonz5TFvH2cR2m6i zL4Z2ovfsbGrZLRje8c0w38+sb0HP79Z5m7v9M6sFsLz/Pa5NP2kCzE9vz+c+5BaRqWP Y+cguHW9oF6w88B6g609R0GD5FSEf2xsT1DGgYLabXcCJwqyiA0g3oESwblSRCJ54joL qSwHVA+3WKT7JxUwfRXwrKGLZXy5TwXBav9tXCKLnbOQlFqaCAFl2Pxm7Qryg3Pq1Wsr /NwkR+DevZR8nH3hFKUhCjTOhGvXDQ5TeYSLxq8wUhTW4Hv2ALTR4ApLvNWbaKqj9ZmK RmrA== X-Gm-Message-State: APjAAAVAyoIpEzPg71u+90XYHfJns1N7ggtwnTWUs15HpMOO6M+Q9R/P dHT6ABGerlS6alokkQGZ1HSslw== X-Google-Smtp-Source: APXvYqzA5/HIyej28h0lLtHCsm2clDFlAORBWM0decWBelSise8oK0pTjZR+reURwiFiGKrXF2W/2w== X-Received: by 2002:a63:fa46:: with SMTP id g6mr5766362pgk.382.1556824480553; Thu, 02 May 2019 12:14:40 -0700 (PDT) Received: from localhost ([2620:15c:6:12:9c46:e0da:efbf:69cc]) by smtp.gmail.com with ESMTPSA id z124sm48008758pfz.116.2019.05.02.12.14.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 02 May 2019 12:14:39 -0700 (PDT) Date: Thu, 2 May 2019 15:14:37 -0400 From: Joel Fernandes To: Oleg Nesterov Cc: Christian Brauner , linux-kernel@vger.kernel.org, Andy Lutomirski , Steven Rostedt , Daniel Colascione , Jann Horn , Tim Murray , Jonathan Kowalski , Linus Torvalds , Al Viro , Kees Cook , David Howells , kernel-team@android.com, Andrew Morton , Arnd Bergmann , "Eric W. Biederman" , Greg Kroah-Hartman , Ingo Molnar , KJ Tsanaktsidis , linux-kselftest@vger.kernel.org, Michal Hocko , Nadav Amit , "Peter Zijlstra (Intel)" , Serge Hallyn , Shuah Khan , Thomas Gleixner , Tycho Andersen Subject: Re: [PATCH v2 1/2] Add polling support to pidfd Message-ID: <20190502191437.GA103213@google.com> References: <20190430162154.61314-1-joel@joelfernandes.org> <20190501151312.GA30235@redhat.com> <20190502151320.cvc6uc3b4bmww23k@brauner.io> <20190502160247.GD7323@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190502160247.GD7323@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 02, 2019 at 06:02:48PM +0200, Oleg Nesterov wrote: > On 05/02, Christian Brauner wrote: > > > > On Wed, May 01, 2019 at 05:13:12PM +0200, Oleg Nesterov wrote: > > > > > > Otherwise I see no problems. > > > > I'll remove the WARN_ON() check when applying this. Can I get your > > Acked/Review, Oleg? Oh, ok. Good point about the de_thread race. Agreed with you. > Yes, feel free to add > > Reviewed-by: Oleg Nesterov > > Hmm. Somehow I didn't read the changelog before, I just noticed > Suggested-by: Oleg Nesterov > Please remove ;) Thanks Joel, I appreciate it, but it is not my idea. Ok no problem. You have been very helpful so thank you for that! Also thanks Christian for removing the warning and adding Oleg's Reviewed-by. - Joel