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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 58647C76186 for ; Sat, 27 Jul 2019 19:45:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B6CC2086D for ; Sat, 27 Jul 2019 19:45:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=brauner.io header.i=@brauner.io header.b="YnFCIWK6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388192AbfG0Tp4 (ORCPT ); Sat, 27 Jul 2019 15:45:56 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:35745 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387890AbfG0Tp4 (ORCPT ); Sat, 27 Jul 2019 15:45:56 -0400 Received: by mail-wm1-f68.google.com with SMTP id l2so50218749wmg.0 for ; Sat, 27 Jul 2019 12:45:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brauner.io; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=wJp1gePRH2IkdAIZ2pYiyde6wuoSqldw6tUqDJuiAXg=; b=YnFCIWK6ciPrzklA1G/xvsJmQ+lCr1emmQO4TFcWnpXzXIutpzNOnZA/oTc/U71nP2 h/Po+V7AvfXLLUWPRVldG5tARorD3ifqNhfFgTxwVUX8ZhKDUTbUGDssS0W19ej1wAsZ c0Il6AdwSWNNZV8Le5/RwHK1v9Zby/6MgEngEu9yfLAFBK7kXiHuqaBUMyo4Nt+VvrcS sqkj8XwJ/w4Tu5Cwa18ceJLzeujpO1Nzt/n3fQ/yZ0lKpHMN5N3ngT8NLflGOziXtSsI 3M9QoxOiB4VsG3r6thdnbbZNoJ/1sZ+aX5cEo4XK0P4VsZqpwOLYunDJL/v1R3irN9q6 VlmA== 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=wJp1gePRH2IkdAIZ2pYiyde6wuoSqldw6tUqDJuiAXg=; b=Hgnc4u8AqtBEYQvIoGOcyDaG6/BvRajjT9lkk8mOTLXcKG3p2qpuT0qepn/RN5Zx3e 2niG3mGvS+xeMXD8rE/2VVXmpqIqF6nGlAtJtsO7clqTe+bxj0mP1RoRwwxpT7qCw+az Ad2+7WSpDqbL1YKoA4uh70cGQV3tmvqOWRL1jZdUIb83AEkHoCGFVMagvtSEZX5iytdT KHImIwQ8wyzFyN1AtWEhsow0GDQEDHBbQBW+F2BHsi/zyEHjLU3wfEJIc8j3i+K0E5az NOH7F93d6a7+H28BqEYEnWHmElLp/ob8gsfJo8H6ixhq+G8Ol1c+R4ieIPznmfqghE5E 0mTA== X-Gm-Message-State: APjAAAVIn1GJ6Pp0e5a5j5HhJMJ1+f2hWXj//yYwggGdUdSAW9SgeIWF ksSfxGtThkkZKwhUJhmR/yo= X-Google-Smtp-Source: APXvYqx2FbJMzzbyVWBpedJrw+WlcMzroKQc7T6grzi+Z98W5XymY6EJLNUBS26zvRxL/rST5yaiLA== X-Received: by 2002:a1c:f418:: with SMTP id z24mr41837462wma.80.1564256754044; Sat, 27 Jul 2019 12:45:54 -0700 (PDT) Received: from brauner.io ([213.220.153.21]) by smtp.gmail.com with ESMTPSA id j189sm64975762wmb.48.2019.07.27.12.45.53 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 27 Jul 2019 12:45:53 -0700 (PDT) Date: Sat, 27 Jul 2019 21:45:52 +0200 From: Christian Brauner To: Linus Torvalds Cc: Linux List Kernel Mailing , Oleg Nesterov , Arnd Bergmann , "Eric W. Biederman" , Kees Cook , Joel Fernandes , Thomas Gleixner , Tejun Heo , David Howells , Jann Horn , Andrew Lutomirski , Andrew Morton , Aleksa Sarai , Al Viro , Android Kernel Team Subject: Re: [PATCH v2 1/2] pidfd: add P_PIDFD to waitid() Message-ID: <20190727194552.xpudr7ou4wjowhew@brauner.io> References: <20190727085201.11743-1-christian@brauner.io> <20190727085201.11743-2-christian@brauner.io> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 27, 2019 at 09:28:40AM -0700, Linus Torvalds wrote: > Sorry to keep pestering about the patch series, but with the addition > of P_PIDFD, I react once again.. That's fine. I don't at all mind being particular about how something has to be done as long as the result is functional. In this case it seems we'll end up with something cleaner overall, so sure. I'll rework the snippets into the actual patch and resend. I'll leave out the rcu-cleverness you suggested in the other mail though. Christian