Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1776720ybb; Sat, 11 Apr 2020 11:33:59 -0700 (PDT) X-Google-Smtp-Source: APiQypLLrl8w3vl0zsmkT1TgkOST4+BsMr8pn2BK5GrgnQyvMJKfqxF6hU2rPfZvk4UlBfLyZK9P X-Received: by 2002:aed:3f68:: with SMTP id q37mr4693767qtf.34.1586630039668; Sat, 11 Apr 2020 11:33:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586630039; cv=none; d=google.com; s=arc-20160816; b=heWNVPYaZ2OTsULuo78hjiNCLKyJxQTlNOnT+IsSDZ97uy07G/lzDYHtIh980T7vZd lsdo57mMxEBbeyHg55V9VhZ16QKkmVslvedAir1AgS9b5As9J4tToQPYpwspD86myZlW NRb1SSdCCoZGXl6u9bLi5OCroJG2XOuMJn7OFV+Gj6C5LahL4A+wlcGnu6dkR/yfxDp/ js01aBRROwAVgpIkxs7k+24bU1EgguQANGBTf28OFL71Zr8CQm4shIh7SB3QugbQ6jgU dWulZcWDix9wFj0rFfBccfgRkOBY4qlzgUUPL/iYSwLC68mikw4X2lu17+8yl/Z5MbwO IZFA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=187bxzvrtHFK3HWCV6zp/EP6I0ABzGoYnwq3TWAU7Yg=; b=n6l/hD6/VshEqnvTC2Zg7EfOHK4TlLL+8rSCdyjsvl1B77LsFBXDJDZkAWS8JzKIvI RioO4z+IUvtFx5zlpse6HvxAww1BsN9p0/jcqEvx+lotsfxFt2+ZKknz/7czvl1XLSyo tDEUKXUhvvVGUx9tOu7lgsRYSeeJKxtuaJWdt1HyrAGW4hKElz/MzRk3lqATxjkU1LB0 UZWXdDRSE/28TLHArPK/LfFmAZCNs31sSpQW+XWP6pwRjeZu/wtLKPq8mNzX73pbDXNK /scbw8X7S8YG+1i+EDSOfxyxoPyocYrHoUOFCpF/0Q+7I9qn+nI0dpJ1B4YSutXkRZ4/ yCbg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b="IyEtE6/R"; 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 q29si3179431qtl.315.2020.04.11.11.33.45; Sat, 11 Apr 2020 11:33:59 -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=pass header.i=@linux-foundation.org header.s=google header.b="IyEtE6/R"; 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 S1726563AbgDKScJ (ORCPT + 99 others); Sat, 11 Apr 2020 14:32:09 -0400 Received: from mail-lf1-f68.google.com ([209.85.167.68]:45698 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726140AbgDKScJ (ORCPT ); Sat, 11 Apr 2020 14:32:09 -0400 Received: by mail-lf1-f68.google.com with SMTP id f8so3570249lfe.12 for ; Sat, 11 Apr 2020 11:32:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=187bxzvrtHFK3HWCV6zp/EP6I0ABzGoYnwq3TWAU7Yg=; b=IyEtE6/R37ytAiFvot4WlgVyugUBhYMX0XDQ8SkPp7XHYNji2CPdeg9sIdbbaKS0Vc cbuhHk9dpLyttnyCoexnf5KpIEBSnaVl4ZhWHe1VVBGkATELKxw6pvAZ5ZzoIk+tM5mF V9rrIyEYtLFqi1cI/02N09uGIbMjKuXamU7WQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=187bxzvrtHFK3HWCV6zp/EP6I0ABzGoYnwq3TWAU7Yg=; b=PBmg82DsxgwnH+AtczbmyXqwFeu7s/R6xt/vIWoR4a7o1ggG+4TgWrRS3B6MX5GJpi 9AjrbvhIDOngqw3GUzj6KB5yIXv6QY8fnJTyStGhbUyT91OIVruhwAuxY9fn8T9PnZ44 fcFdV2EvB09llGx+egj/Iq8oXCBYI5+3QUO9jrQMF7DC+BlhDlgaNU2Bd2vOF0lCCGez F/6O/ul41MwXDS/I/9BTP/jgrbCLed1X2DB2WjLPvXofE7IAqyNJ0+ykMrpzvU1QSqis PtCrB3fBvm/w4+hh5WkmP/2ycPzdpKNnHanO78WtALcdIpv4yaeDZq388kpCfS4br8i0 PrTA== X-Gm-Message-State: AGi0PuawTL5rurYn0Q6jxuWRoqH00nrTKBEMOBlWRQRSr9pf4AySs38Y 1G2dCiRGGvEyx02Sw9sCqRW7Pg7vwA0= X-Received: by 2002:a19:5f04:: with SMTP id t4mr4871242lfb.208.1586629924654; Sat, 11 Apr 2020 11:32:04 -0700 (PDT) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com. [209.85.167.44]) by smtp.gmail.com with ESMTPSA id a26sm3856419ljn.22.2020.04.11.11.32.03 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Apr 2020 11:32:03 -0700 (PDT) Received: by mail-lf1-f44.google.com with SMTP id l11so3596766lfc.5 for ; Sat, 11 Apr 2020 11:32:03 -0700 (PDT) X-Received: by 2002:ac2:5ec5:: with SMTP id d5mr6014538lfq.142.1586629923314; Sat, 11 Apr 2020 11:32:03 -0700 (PDT) MIME-Version: 1.0 References: <87imi8nzlw.fsf@x220.int.ebiederm.org> <20200411182043.GA3136@redhat.com> In-Reply-To: From: Linus Torvalds Date: Sat, 11 Apr 2020 11:31:47 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] Please pull proc and exec work for 5.7-rc1 To: Oleg Nesterov Cc: "Eric W. Biederman" , Bernd Edlinger , Waiman Long , Ingo Molnar , Will Deacon , Linux Kernel Mailing List , Alexey Gladkov Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Apr 11, 2020 at 11:29 AM Linus Torvalds wrote: > > Well, you did it differently - by moving the "wait for dead threads" > logic to after releasing the lock. Not that I mind that approach either - the less work we do inside that lock, the better off we are.. Linus