linux-kernel - Re: [PATCH V4 05/17] nvdimm/label: Skip region label during ns label DPA reservation

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Message-ID: <20260109115313.r2ei4ymjtbkbkpy6@test-PowerEdge-R740xd>
Date: Fri, 9 Jan 2026 17:23:13 +0530
From: Neeraj Kumar <s.neeraj@...sung.com>
To: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: linux-cxl@...r.kernel.org, nvdimm@...ts.linux.dev,
	linux-kernel@...r.kernel.org, gost.dev@...sung.com,
	a.manzanares@...sung.com, vishak.g@...sung.com, neeraj.kernel@...il.com,
	cpgs@...sung.com
Subject: Re: [PATCH V4 05/17] nvdimm/label: Skip region label during ns
 label DPA reservation

On 17/12/25 02:33PM, Jonathan Cameron wrote:
>On Wed, 19 Nov 2025 13:22:43 +0530
>Neeraj Kumar <s.neeraj@...sung.com> wrote:
>
>> If Namespace label is present in LSA during nvdimm_probe() then DPA
>> reservation is required. But this reservation is not required by region
>> label. Therefore if LSA scanning finds any region label, skip it.
>
>It would be good to have a little more explanation of why these two
>types of label put different requirements here.
>
>I'd rather not go spec diving to find out!
>
>Otherwise LGTM.

Thanks Jonathan for review, I have added further explanation in commit message


Regards,
Neeraj