linux-kernel - Re: [PATCH v9 05/13] cxl/region: Separate region parameter setup and region construction

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aWcKunnSOphuDAyr@aschofie-mobl2.lan>
Date: Tue, 13 Jan 2026 19:17:14 -0800
From: Alison Schofield <alison.schofield@...el.com>
To: Robert Richter <rrichter@....com>
CC: Vishal Verma <vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>,
	Dan Williams <dan.j.williams@...el.com>, Jonathan Cameron
	<jonathan.cameron@...wei.com>, Dave Jiang <dave.jiang@...el.com>, "Davidlohr
 Bueso" <dave@...olabs.net>, <linux-cxl@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Gregory Price <gourry@...rry.net>, "Fabio M.
 De Francesco" <fabio.m.de.francesco@...ux.intel.com>, Terry Bowman
	<terry.bowman@....com>, Joshua Hahn <joshua.hahnjy@...il.com>
Subject: Re: [PATCH v9 05/13] cxl/region: Separate region parameter setup and
 region construction

On Sat, Jan 10, 2026 at 12:46:50PM +0100, Robert Richter wrote:
> To construct a region, the region parameters such as address range and
> interleaving config need to be determined. This is done while
> constructing the region by inspecting the endpoint decoder
> configuration. The endpoint decoder is passed as a function argument.
> 
> With address translation the endpoint decoder data is no longer
> sufficient to extract the region parameters as some of the information
> is obtained using other methods such as using firmware calls.
> 
> In a first step, separate code to determine the region parameters from
> the region construction. Temporarily store all the data to create the
> region in the new struct cxl_region_context. Once the region data is
> determined and struct cxl_region_context is filled, construct the
> region.
> 
> Patch is a prerequisite to implement address translation. The code
> separation helps to later extend it to determine region parameters
> using other methods as needed, esp. to support address translation.
> 

Reviewed-by: Alison Schofield <alison.schofield@...el.com>