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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 6314CC2D0F4 for ; Wed, 8 Apr 2020 17:26:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B4F220771 for ; Wed, 8 Apr 2020 17:26:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586366806; bh=sV0ecLe67alt8oNkGOCjdtD3ROJCQhtaujwTUBGIxdI=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=P+keW2PUkS/CZ8Qk6gZcyFGz9cP+YmsuTr2NWwj5xhOLd5C5MSBTjcXcHuGLQpyJa i4M1PtFue+05V3Dp+6Tu/Qkm+nYCfZDpHv7XlbQJFrqFRnsmQ/NQMhOYmKrXkZ58jQ IOuTBAiF+ujJrSEXzJk+7RzgvYKuKL4yWyE79XAY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729580AbgDHR0p (ORCPT ); Wed, 8 Apr 2020 13:26:45 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:45268 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727192AbgDHR0o (ORCPT ); Wed, 8 Apr 2020 13:26:44 -0400 Received: by mail-lf1-f65.google.com with SMTP id f8so5727553lfe.12 for ; Wed, 08 Apr 2020 10:26:42 -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=gRhFElbNkEBmxdkpnBfQNo7aVC1SDQkWmyCC9X/mFOQ=; b=RHVkLHA1gIc5Xs2OwyldZxxfTZvWVOhMitapxtU7Cl49awp9OXaxENsk1WAcFgmMYo U5oP2n1/ivDJWH5kBdHA3lWoxC/fk/RCzMVL4lWVeHtMm3UayC6wNQXOUvrS/gGxqQDC dXsB/7UQRS1iPCO1Z06G6NEFOm5kcaNj/q87M= 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=gRhFElbNkEBmxdkpnBfQNo7aVC1SDQkWmyCC9X/mFOQ=; b=jknMKz6qtkkOw/xiTS+jNeEyQYdzocvNk2Z3lMJe0exlyJflN30rxDSessNGKxF9Dd LGnNmmvrZ00KQ5QGQQm4MR/9y51EKgebdPmpkBMD+QUEYzV2A0VMDfb+KiXRaZ+oDBlf 9D8Moz04mG5NIGTQTIEGa3cby2fnJIk0aMJajMt5f8Y3jx7s3d1C1ecfdwA8jRQiIa/B fXPCM6pWWred4AZ6RS5HvdpxMXB/YMWrYTnv29+CjsDCeuZaDubxjfDzEF86bd6Scj71 oqAFreOKV6NwJ7qqx6cO2D2ePjFNCp1kVI3WWYn/RKUhhEag5QUT1QB2InTfybKIU4d1 /eWQ== X-Gm-Message-State: AGi0PuYOGqRN25C0R8awn2NzuDmg6bo6zjFVKU14qcEfztKJyKZpqbMM 3gBVvp+6NiN4yyT07y+pj8KmLL1elPY= X-Google-Smtp-Source: APiQypI5bp51vgqjEq99BTOgbk9FZVqyIOzMxn8FA52Lwn0AZHW2Y4JszGNrVs/9lJbWC23kS9Bjqw== X-Received: by 2002:ac2:52b9:: with SMTP id r25mr1974558lfm.133.1586366801157; Wed, 08 Apr 2020 10:26:41 -0700 (PDT) Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com. [209.85.167.52]) by smtp.gmail.com with ESMTPSA id m21sm761605ljj.56.2020.04.08.10.26.40 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Apr 2020 10:26:40 -0700 (PDT) Received: by mail-lf1-f52.google.com with SMTP id f8so5727492lfe.12 for ; Wed, 08 Apr 2020 10:26:40 -0700 (PDT) X-Received: by 2002:ac2:4466:: with SMTP id y6mr5276110lfl.125.1586366799615; Wed, 08 Apr 2020 10:26:39 -0700 (PDT) MIME-Version: 1.0 References: <87blobnq02.fsf@x220.int.ebiederm.org> <87lfnda3w3.fsf@x220.int.ebiederm.org> <87wo6s3wxd.fsf_-_@x220.int.ebiederm.org> In-Reply-To: <87wo6s3wxd.fsf_-_@x220.int.ebiederm.org> From: Linus Torvalds Date: Wed, 8 Apr 2020 10:26:23 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC][PATCH 0/3] exec_update_mutex related cleanups To: "Eric W. Biederman" Cc: Bernd Edlinger , Linux Kernel Mailing List , Alexey Gladkov , Oleg Nesterov , Kees Cook , Jann Horn , Christian Brauner 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 Mon, Apr 6, 2020 at 6:32 PM Eric W. Biederman wrote: > > I will resend this after the merge window for a proper review when > people are less likely to be distrcacted but I figured I might as well > send this out now so I can see if anyone runs screaming from this code. Ack. It looks sane to me. I had that one question about a further simplification, but even without that it looks like an improvement. Linus