linux-kernel - [PATCH -v3 0/3] resource: Fix region_intersects() vs add_memory_driver

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Message-Id: <20240906030713.204292-1-ying.huang@intel.com>
Date: Fri,  6 Sep 2024 11:07:10 +0800
From: Huang Ying <ying.huang@...el.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	linux-cxl@...r.kernel.org,
	"Huang, Ying" <ying.huang@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Hildenbrand <david@...hat.com>,
	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>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Baoquan He <bhe@...hat.com>
Subject: [PATCH -v3 0/3] resource: Fix region_intersects() vs add_memory_driver_managed()

The patchset fixes a bug of region_intersects() for systems with CXL
memory.  The details of the bug can be found in [1/3].  To avoid
similar bugs in the future.  A kunit test case for region_intersects()
is added in [3/3].  [2/3] is a preparation patch for [3/3].

Changelogs:

v3:

- Revise the patch subject, description and comments, Thanks Bjorn,
  Andy, David, and Dan!

- Added a kunit test case.

- Fixed several coding style issues, Thanks Andy!

- Link to v2: https://lore.kernel.org/linux-mm/20240819023413.1109779-1-ying.huang@intel.com/

v2:

- Fix a bug which occurs when descendant of a matched resource matches.

- Revise the patch description and comments to make the algorithm clearer.
  Thanks Dan and David's comments!

- Link to v1: https://lore.kernel.org/linux-mm/20240816020723.771196-1-ying.huang@intel.com/

Best Regards,
Huang, Ying