linux-kernel - Re: [PATCH 3/4] cxl, acpi/hmat: Update CXL access coordinates directly instead of through HMAT

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Message-ID: <3d0945ca-eb6b-430d-a6d2-a4396596170c@linux.intel.com>
Date: Thu, 14 Aug 2025 16:09:29 -0700
From: Marc Herbert <marc.herbert@...ux.intel.com>
To: dan.j.williams@...el.com, Dave Jiang <dave.jiang@...el.com>,
 linux-cxl@...r.kernel.org, linux-acpi@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: gregkh@...uxfoundation.org, rafael@...nel.org, dakr@...nel.org,
 dave@...olabs.net, jonathan.cameron@...wei.com, alison.schofield@...el.com,
 vishal.l.verma@...el.com, ira.weiny@...el.com, akpm@...ux-foundation.org,
 david@...hat.com
Subject: Re: [PATCH 3/4] cxl, acpi/hmat: Update CXL access coordinates
 directly instead of through HMAT



On 2025-08-14 15:33, dan.j.williams@...el.com wrote:

>> Fixes: debdce20c4f2 ("cxl/region: Deal with numa nodes not enumerated by SRAT")
> 
> Why that one and not?
> 
> 067353a46d8c cxl/region: Add memory hotplug notifier for cxl region
> 
> It is the ext_updated machinery that is the main problem that messes up
> sysfs, right?
> 

For sure 067353a46d8c is where my git bisect unambiguously landed.

Tested-by: Marc Herbert <marc.herbert@...ux.intel.com>
(the series as a whole)