linux-kernel - Re: [PATCH V2 00/20] Add CXL LSA 2.1 format support in nvdimm and cxl pmem

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Message-ID: <f2120762-bbc6-47b0-9cb6-fa45bd9cd460@intel.com>
Date: Tue, 12 Aug 2025 14:46:24 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: Neeraj Kumar <s.neeraj@...sung.com>,
 Dan Williams <dan.j.williams@...el.com>, Davidlohr Bueso
 <dave@...olabs.net>, Jonathan Cameron <jonathan.cameron@...wei.com>,
 Ira Weiny <ira.weiny@...el.com>,
 Alison Schofield <alison.schofield@...el.com>,
 Vishal Verma <vishal.l.verma@...el.com>, linux-cxl@...r.kernel.org,
 nvdimm@...ts.linux.dev, linux-kernel@...r.kernel.org, gost.dev@...sung.com
Cc: a.manzanares@...sung.com, vishak.g@...sung.com, neeraj.kernel@...il.com,
 cpgs@...sung.com
Subject: Re: [PATCH V2 00/20] Add CXL LSA 2.1 format support in nvdimm and cxl
 pmem



On 8/7/25 2:02 AM, Neeraj Kumar wrote:
> On 30/07/25 05:41PM, Neeraj Kumar wrote:
>> Introduction:
>> =============
>> CXL Persistent Memory (Pmem) devices region, namespace and content must be
>> persistent across system reboot. In order to achieve this persistency, it
>> uses Label Storage Area (LSA) to store respective metadata. During system
>> reboot, stored metadata in LSA is used to bring back the region, namespace
>> and content of CXL device in its previous state.
>> CXL specification provides Get_LSA (4102h) and Set_LSA (4103h) mailbox
>> commands to access the LSA area. nvdimm driver is using same commands to
>> get/set LSA data.
>>
> 
> Hi Jonathan, Dave and Ira
> 
> I have addressed the review comments of V1 patch-set and sent out this
> V2 Patch-set.
> 0-Day Kernel Test bot has reported couple of minor issues which I will
> address in next series.
> 
> Can you please have a look at this V2 series and let me know your
> feedback.

Hi Neeraj,
It's on my review queue. Will try to get to it soon.

Also, it seems that lore is still not happy your mailer. 
https://lore.kernel.org/linux-cxl/1983025922.01754829002385.JavaMail.epsvc@epcpadp1new/T/#t

See all the [not found] threading. Just FYI.

DJ


> 
> 
> Regards,
> Neeraj
>