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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55B9ECD5BC0 for ; Thu, 5 Sep 2024 12:57:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D53276B017E; Thu, 5 Sep 2024 08:57:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D03636B0279; Thu, 5 Sep 2024 08:57:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B55196B03B8; Thu, 5 Sep 2024 08:57:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 920AF6B017E for ; Thu, 5 Sep 2024 08:57:47 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 8AAEB801AE for ; Thu, 5 Sep 2024 12:57:46 +0000 (UTC) X-FDA: 82530686532.23.36BD837 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf26.hostedemail.com (Postfix) with ESMTP id 120A714000F for ; Thu, 5 Sep 2024 12:57:43 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=W8bKG0aE; spf=pass (imf26.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1725540935; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=HC7DNBeTE0rMvf380tBoSGULnjcQlOiQ6D5SLCKyY/A=; b=oeR5Rft+1gZiu7ktJ+zss+ypC93m/ncTs7i7EFSau4lFeWnXKF5gacNb/4hhHlNSsBZxUo iy/K8TfRSe9+J0ybOP8VTF1FR6ShG2rP68plD4Qw+Gczov+PDETfYRHW9boFyxccAaFPH8 V6DVqfNNuzizKQN3DTAS0vTX3XB82nU= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=W8bKG0aE; spf=pass (imf26.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1725540935; a=rsa-sha256; cv=none; b=QoOITA7oram1aIeRlTUngBhxFXV1kt2AbQLwI7LrMU0QnuGUABGLRGJHyF2HizzyV34cyd vU9oj+OFT/nGaXLtWqc/AsEQeRGOpKBBwYoNQ1PULQfx2MZLo2WIh1y8wQr/RWNAI7WFHc wOYSBlwztdTmGdnBAINTPrLLS50thU0= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1725541063; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=HC7DNBeTE0rMvf380tBoSGULnjcQlOiQ6D5SLCKyY/A=; b=W8bKG0aE/0VbZb5/xvLjJWa/rtBiK9e98mvOFM9pTqpECcm5nAz8ntsRmDfggvgV3vt4n1 E2/Tz/DPSu6S4QsspBs5j5+S8Xm31WR5PpfS0EwXWhHmCtlzl7Ll4kQfhu2kQPDc1cAIRE tsrbtvSZOXhJ1CKVCJMcHixiueGt1AE= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-161-MlYXXHV-M_mx3mxGIkrJuA-1; Thu, 05 Sep 2024 08:57:40 -0400 X-MC-Unique: MlYXXHV-M_mx3mxGIkrJuA-1 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-374c434b952so474064f8f.1 for ; Thu, 05 Sep 2024 05:57:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725541057; x=1726145857; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=HC7DNBeTE0rMvf380tBoSGULnjcQlOiQ6D5SLCKyY/A=; b=b9odqehmnlujrMWi+FkH3NN0pBwAEgXLgyaFlpXlrzTOaA453FsYMDsagPzKYkafwy D8ZjM7jESLxidogM/VOa0OwXSvX2Vc481Cd4fpKlnVVBddQQh+fdYELAH0UK4K7atfC7 wmOW/atbjv9pPrToYxQaBm/9l2hEi+KQ3Bb6XRydp55esQW1NVMFJuh1YXhhiIIaBgOs Gj+pIMAJFQYINRws+r0FfVrA9ByluUafaNMpSGcoQt5NtcsQkORsvoKfPWQfYMfZ5amr pvWW+oNmd8gxwiSiduTFPilUtPCL8ZHgKuvWpjxp4IU8RqOmsB3NX2RKyx886lCZK7uO EGvg== X-Forwarded-Encrypted: i=1; AJvYcCURiWfv5RptvP7rnKfL54b9XWlpOB7/OlMc98gLwt0/NYZm/xE/wyguRO5jtN1wGKg3BBtxUtVwRg==@kvack.org X-Gm-Message-State: AOJu0YxMoAYYAOZyhe12c8VnnOMLYnbw5+CHt24lMjEbtaLaIuh/9Qud Rg4ltDUCwkauimXkDbCiNgM2U9MS2ZP9ryEBw04HfTJ+MrIvMPWcB7JqwT730K62IgmShTGS5K7 mfwbAYd3AybgNuD8azhXMuCi0Ym5l0yuXJ9F0r1viAaloV48t X-Received: by 2002:adf:f98a:0:b0:36b:bb84:33e2 with SMTP id ffacd0b85a97d-374bf184398mr12216062f8f.37.1725541057168; Thu, 05 Sep 2024 05:57:37 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHUrvgpMzWuhmEBanz6AJFCwGfMD5kMirVqtryS963qETW9P0ukfnSGIibr1cxMmlbdge1udg== X-Received: by 2002:adf:f98a:0:b0:36b:bb84:33e2 with SMTP id ffacd0b85a97d-374bf184398mr12216028f8f.37.1725541056500; Thu, 05 Sep 2024 05:57:36 -0700 (PDT) Received: from ?IPV6:2003:cb:c708:5400:6c12:d0e2:3757:2963? (p200300cbc70854006c12d0e237572963.dip0.t-ipconnect.de. [2003:cb:c708:5400:6c12:d0e2:3757:2963]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-374c15705easm13894428f8f.33.2024.09.05.05.57.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Sep 2024 05:57:35 -0700 (PDT) Message-ID: <922e97d9-e16a-4bb8-90b0-4bb3347174e8@redhat.com> Date: Thu, 5 Sep 2024 14:57:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH -v2] Resource: fix region_intersects() for CXL memory To: Andy Shevchenko Cc: Dan Williams , "Huang, Ying" , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Alistair Popple , Bjorn Helgaas , Baoquan He References: <20240819023413.1109779-1-ying.huang@intel.com> <874j6vc10j.fsf@yhuang6-desk2.ccr.corp.intel.com> <66d8f41cb3e6_3975294f9@dwillia2-xfh.jf.intel.com.notmuch> <65838cc0-9a20-4994-a0ef-9cd50bb00951@redhat.com> <09d44b21-9739-417b-a76c-5383fcbde96b@redhat.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 120A714000F X-Stat-Signature: dyxrzgjmqjkkawrqh3tahuzxgkpf9sx5 X-Rspam-User: X-HE-Tag: 1725541063-631442 X-HE-Meta: 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 gph+Jl+q 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 05.09.24 14:50, Andy Shevchenko wrote: > On Thu, Sep 05, 2024 at 02:42:05PM +0200, David Hildenbrand wrote: >> On 05.09.24 14:36, Andy Shevchenko wrote: >>> On Thu, Sep 05, 2024 at 01:08:35PM +0200, David Hildenbrand wrote: >>>> On 05.09.24 12:56, Andy Shevchenko wrote: >>>>> On Wed, Sep 04, 2024 at 04:58:20PM -0700, Dan Williams wrote: >>>>>> Huang, Ying wrote: >>>>>>> Andy Shevchenko writes: > > [..] > >>>>>>>> You may move Cc list after '---', so it won't unnecessarily pollute the commit >>>>>>>> message. >>>>>>> >>>>>>> Emm... It appears that it's a common practice to include "Cc" in the >>>>>>> commit log. >>>>>> >>>>>> Yes, just ignore this feedback, it goes against common practice. Cc list >>>>>> as is looks sane to me. >>>>> >>>>> It seems nobody can give technical arguments why it's better than just keeping >>>>> them outside of the commit message. Mantra "common practice" nowadays is >>>>> questionable. >>>> >>>> Just look at how patches look like in the git tree that Andrew picks up. >>>> (IIRC, he adds a bunch of CCs himself that are not even part of the original >>>> patch). >>> >>> I know that and it's historical, he has a lot of the scripts that work and when >>> he moved to the Git it was another long story. Now you even can see how he uses >>> Git in his quilt approach. So, it's an exceptional and not usual workflow, hence >>> bad example. Try again :-) >> >> Point is, it doesn't matter what we do in this patch here if Andrew will >> unify it at all. > > Point is, that this is exceptional. And better to teach people based on better > practices, no? "Better" in your opinion. I don't care about a couple of Cc lines in a git commit. They've been useful for me, apparently not for you. If you succeed in convincing Andrew to change it, then Andrew can fixup his scripts to remove all of these from the patches he sends out. > >>>> Having in the git tree who was actually involved/CCed can be quite valuable. >>>> More helpful than get_maintainers.pl sometimes. >>> >>> First of all, there is no guarantee they _were_ involved. From this perspective >>> having Link: tag instead has much more value and supports my side of arguments. >> >> Link is certainly preferable. Usually when I fix a commit, I make sure to CC >> the people that are listed for the patch, because it at least should have >> ended up in their mailbox. >> >> Often, it also helped to see if a buggy commit was at least CCed to the >> right persons without digging through mailing list archives. > > How is it better than having it in lore.kernel.org in archives where you even > see who _actually_ participated in discussion, if any? You might have to dig through multiple code revisions to find that out. Again, I used this in the past quite successfully. > > Again, Cc neither in the Git commit, nor in the email guarantees the people > were involved. Having Cc in the commit just a big noise that pollutes it. > Especially I do not understand at all Cc: mailing-list@bla.bla.bla cases. > They are not people, they have a lot of archives besides lore.kernel.org, > only waste of resources in all means of that. I tried to summarize that in > the submitted patches to the documentation, that I referred earlier in this > thread to. I, for my part, never add "Cc:" to patches or cover letters that refer to mailing lists. I add these manually to my git-send-email "--cc" list. I though Andrews script also fix that up, but I might be wrong. Anyhow, this is a discussion to be had with Andrew, not with me, so feel free to engage with Andrew to change is scripts to throw away all CC. -- Cheers, David / dhildenb