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=-0.8 required=3.0 tests=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 2B47FC3A59B for ; Sat, 17 Aug 2019 06:58:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBABA205ED for ; Sat, 17 Aug 2019 06:58:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="PDUnjM99" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726061AbfHQG6i (ORCPT ); Sat, 17 Aug 2019 02:58:38 -0400 Received: from ozlabs.org ([203.11.71.1]:54951 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbfHQG6i (ORCPT ); Sat, 17 Aug 2019 02:58:38 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 469WHb1gbnz9sDQ; Sat, 17 Aug 2019 16:58:35 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1566025115; bh=IgDPuugh05x57YEiYN8l0nhY63HAUdNvpnSeuQDLtzA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PDUnjM99KXvRE/LY1XQl8szCrxOwfSSMNms7ZMIibixxcCVDs9T17uSzkBz5tvS0s cWTYRzY4vTs1EEjnnbFmUDFMsCrh9TnTubPFYiQbfLessT+i4bXUs2qHNJ0XBzvYnN QCsjPqAbva+NZv29Ro0m5bevRnB84TTmDtRXt/ACYmUB8ov95ERNdqMLzlpBL/Il+i yFvDS8BSXlRXIPqQkp/7PRk+0ItnOK5qeI4sJTo3QDVo+HDXQJgiXzkMBt0rMYLoTB duyAXrgHUw21TMRX9o32n+IiSM/OvW9/vhSCz1p2xSJR7BkRx9xTZ+NZzSNlzPIJt3 z2hpwAzIfqrow== Date: Sat, 17 Aug 2019 16:58:33 +1000 From: Stephen Rothwell To: Christoph Hellwig Cc: Andrew Morton , Jason Gunthorpe , Christoph Hellwig , Linus Torvalds , Thomas =?UTF-8?B?SGVsbHN0csO2bQ==?= , Jerome Glisse , Steven Price , Linux-MM , Linux List Kernel Mailing , Minchan Kim Subject: Re: cleanup the walk_page_range interface Message-ID: <20190817165833.369c943c@canb.auug.org.au> In-Reply-To: <20190817064301.GA18544@lst.de> References: <20190808154240.9384-1-hch@lst.de> <20190816062751.GA16169@infradead.org> <20190816115735.GB5412@mellanox.com> <20190816123258.GA22140@lst.de> <20190816140623.4e3a5f04ea1c08925ac4581f@linux-foundation.org> <20190817164124.683d67ff@canb.auug.org.au> <20190817064301.GA18544@lst.de> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/iX30a6+fK46SGJZm6D6NOuh"; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/iX30a6+fK46SGJZm6D6NOuh Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Christoph, On Sat, 17 Aug 2019 08:43:01 +0200 Christoph Hellwig wrote: > > On Sat, Aug 17, 2019 at 04:41:24PM +1000, Stephen Rothwell wrote: > > I certainly prefer that method of API change :-) > > (see the current "keys: Replace uid/gid/perm permissions checking with > > an ACL" in linux-next and the (currently) three merge fixup patches I > > am carrying. Its not bad when people provide the fixes, but I am no > > expert in most areas of the kernel ...) =20 >=20 > It would mean pretty much duplicating all the code. And then never > finish the migration because new users of the old interfaces keep > popping up. Compared to that I'd much much prefer either Linus > taking it now or a branch. Sure, I have no problem with either of these two choices, or, at least, hints/resolutions when conflicts are expected. My time (each day) is already getting pretty short since we are almost up to -rc5 ... --=20 Cheers, Stephen Rothwell --Sig_/iX30a6+fK46SGJZm6D6NOuh Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl1XpZkACgkQAVBC80lX 0GzXcQf9HYr6iyLSWWl6YlnndTg8ZfbycnJCmqM6lBYVCOkuVySHLdB4Eu2McHZv DYKUMhRtQ3Mll/VNFZeeEDGrSLR3mhbLBT+BudyUeT/yeSkTQZifX9lXacio/4yk SarLK0SXRZx2sI6LjoQ8iUzEhX8clDCcK1yO+qlyZEtGUt06JeKC+KJwWf5Rg6eC zW7lGPDRr01bMwxNWbthufjq2NxHheaD/fPdKfUSd5byxSY70W992VuI733WwdCK 68fHAEOsFsyzTmQguV1vkF7t9bsLslj9aIYUvBOfx5EWjQ1ktJ+76qYGlyeVe6HH 6dOh9g3EbXB6FL6GtvGxnor89gnNiQ== =2W8r -----END PGP SIGNATURE----- --Sig_/iX30a6+fK46SGJZm6D6NOuh--