Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp10052609ybi; Wed, 10 Jul 2019 22:36:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqxqUsdFtHFodrzbBodxxlSAlwKk1XURN1Hc6bYcGDQV2aTfTQCEG9/WN5D62H9EI2Tmm9Df X-Received: by 2002:a17:902:a504:: with SMTP id s4mr2488975plq.117.1562823374930; Wed, 10 Jul 2019 22:36:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562823374; cv=none; d=google.com; s=arc-20160816; b=LKu7IQqeoYPbh1KNg681BYtMIPU3gbMvP/qp53fLVO9KH+1S4R7TDjJFpbYO3u54P4 mLKAa8mYGHCU4EBhk0+tR26xajLWw0A0DKtM0o7SMg79ldMjS9UY00C0Mm+j81MUDdzU n1oG3dwUxMF/owcMatSLLanBHVtd6H9IbIm6whv/WIX0OTH5Ot9cPF8K2egkCzn5VHLK ptmjx65tHuH8vTtDjMRi2a1w0eceMZ0P5r1E8H8Iga7PVdXgbThcOl5Ps5nu401bahuH 6m96LfXsUxhJpbHFcJ2ujdv2c0hp/AMk4Vq5D8jI4gbyTVt5pYOfv8ilDT6L42O5Sv7F ZMzQ== 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; bh=0ARpJ/V7oPnYvJoBHI+9Ruk+sXdy3kbv33tZdnVTgxM=; b=z8yUevIXn+DVzbeNzCVAKG8O4rRPGh1FEDiiGJve60CIncAjtSD8xpeUvgfiGEFhL9 sooHqqSX8cLH2x7dPTy57+1696yLL8ss9SP4zNmheeg2TxOtVe6FBkGKgH+YNq68qjuU X4O6bxpURqQMV80Ki6H0d3AnTWEETLrAWtUU1/JYtbU5oid6f0l94HTTM9fnFQA2bTD6 OeJZY1UmmiUOyT1cubrR481Ff5iJoW0iOk8oONSRmVQ7slV0VXRubh9a/FHzSy3xwYXF wfc1N3fNhGc51NJXkIeKMnRMVgmlTBQK8wkIn+bFc1VmmCF4JSKTxsJcQutGO9MhuOub qYeQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@brauner.io header.s=google header.b=UpphnqOP; 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 k32si4267185pjb.11.2019.07.10.22.35.59; Wed, 10 Jul 2019 22:36:14 -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=@brauner.io header.s=google header.b=UpphnqOP; 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 S1727898AbfGKFed (ORCPT + 99 others); Thu, 11 Jul 2019 01:34:33 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:34740 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725963AbfGKFec (ORCPT ); Thu, 11 Jul 2019 01:34:32 -0400 Received: by mail-wr1-f67.google.com with SMTP id 31so4780331wrm.1 for ; Wed, 10 Jul 2019 22:34:31 -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=0ARpJ/V7oPnYvJoBHI+9Ruk+sXdy3kbv33tZdnVTgxM=; b=UpphnqOPq3Ku0ZCUFmz9lmcfA4YjgU81oRKs2j58gnusawOayAueeiyVcl+WCLbLqx S6NMWqaVvplGHSo7B63jivjr8oDXs8IDdRn0wxZ1Jg7owOF4bEsALZjWQ3ALTTfuvzrD C73ChZLveYFqKcoIDSCd6miulT/yX/kls7w2XWqX3RNLLidmtNULEuJtLvMC+3/IxLRc iUiqwAKx3quscpGVWCgEWPP3txaA2zg/oLpA0M/b5oRVgM5vWMZG6jFYA/QRhFpJvCn1 /i8QLNLDbuLKRkA0QDuIiOunJS453u1JZxLdZXa4WXQo7ENcDvOmVBe8P6e3zgUwKEOp muWQ== 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=0ARpJ/V7oPnYvJoBHI+9Ruk+sXdy3kbv33tZdnVTgxM=; b=lYXOPwgG7ogX4M15XO6wWrUyxs2LknDe072498IcYIwTqEunvW2txHDd0E48ORk5NJ nGss6Lie5sgJeFs9T5b+68EdeHrGW49ukkRIDQVE4sYzHBUY81Mm5E3nUbEympyInxPz abnzREt1n5K+IhYwypO8RmAMED3G5sNZESVmNM8FRLt1wzhSVP8U6p7zONG6azI1MHut iNCrLQiLmUW4By2r/ZPmlZN8mhfbagLiioXKFJ9J11RRKuC1WdN+5S0fir37v23Xzica AMlkZ58P9nula433IoVwwA45KjKBxjlx89hU3U7nJ+xTj7rBZ1l1L77zi+JJ6MHb91lU 72qQ== X-Gm-Message-State: APjAAAUzrbk1ZFqe81iYnneAvznoQGQwOJInlFGcpVCbI3ZLPE0K8jja r9EVIayR/Ijg7elpkNEYR9Y= X-Received: by 2002:adf:eac4:: with SMTP id o4mr2082285wrn.290.1562823270417; Wed, 10 Jul 2019 22:34:30 -0700 (PDT) Received: from brauner.io ([212.91.227.56]) by smtp.gmail.com with ESMTPSA id c9sm3133110wml.41.2019.07.10.22.34.29 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 10 Jul 2019 22:34:29 -0700 (PDT) Date: Thu, 11 Jul 2019 07:34:29 +0200 From: Christian Brauner To: Linus Torvalds Cc: Linux List Kernel Mailing Subject: Re: [GIT PULL] clone3 for v5.3 Message-ID: <20190711053428.ofapcx7nn5xkyru4@brauner.io> References: <20190708150042.11590-1-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 Wed, Jul 10, 2019 at 10:24:26PM -0700, Linus Torvalds wrote: > On Mon, Jul 8, 2019 at 8:05 AM Christian Brauner wrote: > > > > /* Syscall number 435 */ > > clone3() uses syscall number 435 and is coordinated with pidfd_open() which > > uses syscall number 434. I'm not aware of any other syscall targeted for > > 5.3 that has chosen the same number. > > You say that, and 434/435 would make sense, but that's not what the > code I see in the pull request actually does. > > It seems to use syscall 436. > > I think it's because openat2() is looking to use 435, but I'm a bit > nervous about the conflict between the code and your commentary.. Sorry, that was just me being dumb and forgetting that there was close_range() which had a chance of going through Al's tree. So I left a hole for it. I don't terribly mind if it's 435 or 436. People pointed out you might even renumber yourself if something makes more sense to you. Christian