linux-kernel - Re: [PATCH] Resource: fix region

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Message-ID: <87ed61ftwz.fsf@yhuang6-desk2.ccr.corp.intel.com>
Date: Tue, 03 Sep 2024 08:43:56 +0800
From: "Huang, Ying" <ying.huang@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Dan Williams
 <dan.j.williams@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,  <linux-mm@...ck.org>,
  <linux-kernel@...r.kernel.org>,  <linux-cxl@...r.kernel.org>,  Davidlohr
 Bueso <dave@...olabs.net>,  Jonathan Cameron
 <jonathan.cameron@...wei.com>,  "Dave Jiang" <dave.jiang@...el.com>,
  Alison Schofield <alison.schofield@...el.com>,  Vishal Verma
 <vishal.l.verma@...el.com>,  Ira Weiny <ira.weiny@...el.com>,  Alistair
 Popple <apopple@...dia.com>,  Bjorn Helgaas <bhelgaas@...gle.com>,
  Baoquan He <bhe@...hat.com>
Subject: Re: [PATCH] Resource: fix region_intersects() for CXL memory

Hi, Andy,

Andy Shevchenko <andriy.shevchenko@...ux.intel.com> writes:

> On Mon, Sep 02, 2024 at 10:07:52AM +0800, Huang, Ying wrote:
>> Dan Williams <dan.j.williams@...el.com> writes:
>> > Huang, Ying wrote:
>> >> Dan Williams <dan.j.williams@...el.com> writes:
>> >> > Huang Ying wrote:
>
> [..]
>
> Looking at how many troubles touching kernel/resource.c may lead to, here is
> the question(s):
> 1) do we have a test cases in general for this library?
> 2) can this change be coupled with an addition/update of the test cases?

Yes.  This is reasonable.  As far as I know, Dan has plan to add some
unit tests for region_intersects().

Hi, Dan,

Have you started working on the unit tests?  If needed, please let me
know so I can assist.

--
Best Regards,
Huang, Ying