linux-kernel - Re: [PATCH v3 1/3] resource: Use list

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Message-ID: <20180508114845.GA19459@WeideMacBook-Pro.local>
Date:   Tue, 8 May 2018 20:48:45 +0900
From:   Wei Yang <richard.weiyang@...il.com>
To:     Baoquan He <bhe@...hat.com>
Cc:     Wei Yang <richard.weiyang@...il.com>, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, robh+dt@...nel.org,
        dan.j.williams@...el.com, nicolas.pitre@...aro.org,
        josh@...htriplett.org,
        Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        David Airlie <airlied@...ux.ie>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Frank Rowand <frowand.list@...il.com>,
        Keith Busch <keith.busch@...el.com>,
        Jonathan Derrick <jonathan.derrick@...el.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Brijesh Singh <brijesh.singh@....com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Borislav Petkov <bp@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Yaowei Bai <baiyaowei@...s.chinamobile.com>,
        devel@...uxdriverproject.org, linux-input@...r.kernel.org,
        linux-nvdimm@...ts.01.org, devicetree@...r.kernel.org,
        linux-pci@...r.kernel.org
Subject: Re: [PATCH v3 1/3] resource: Use list_head to link sibling resource

On Mon, May 07, 2018 at 09:14:29AM +0800, Baoquan He wrote:
>Hi Wei Yang,
>
>On 04/26/18 at 09:18am, Wei Yang wrote:
>> On Thu, Apr 19, 2018 at 08:18:46AM +0800, Baoquan He wrote:
>> >The struct resource uses singly linked list to link siblings. It's not
>> >easy to do reverse iteration on sibling list. So replace it with list_head.
>> >
>> 
>> Hi, Baoquan
>> 
>> Besides changing the data structure, I have another proposal to do the reverse
>> iteration. Which means it would not affect other users, if you just want a
>> reverse iteration.
>> 
>> BTW, I don't think Andrew suggest to use linked-list directly. What he wants
>> is a better solution to your first proposal in
>> https://patchwork.kernel.org/patch/10300819/.
>> 
>> Below is my proposal of resource reverse iteration without changing current
>> design.
>
>I got your mail and read it, then interrupted by other thing and forgot
>replying, sorry.
>
>I am fine with your code change. As I said before, I have tried to change
>code per reviewers' comment, then let reviewers decide which way is
>better. Please feel free to post formal patches and joining discussion
>about this issue.

Yep, while I don't have a real requirement to add the reverse version, so what
is the proper way to send a patch?

A patch reply to this thread is ok?

>
>Thanks
>Baoquan
>