linux-kernel - Re: [PATCH V5 01/17] nvdimm/label: Introduce NDD_REGION

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Message-ID: <696809254d6c2_1183cf100af@iweiny-mobl.notmuch>
Date: Wed, 14 Jan 2026 15:22:45 -0600
From: Ira Weiny <ira.weiny@...el.com>
To: Neeraj Kumar <s.neeraj@...sung.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>, Neeraj Kumar <s.neeraj@...sung.com>
Subject: Re: [PATCH V5 01/17] nvdimm/label: Introduce NDD_REGION_LABELING
 flag to set region label

Neeraj Kumar wrote:
> Prior to LSA 2.1 version, LSA contain only namespace labels. LSA 2.1
> introduced in CXL 2.0 Spec, which contain region label along with
> namespace label.
> 
> NDD_LABELING flag is used for namespace. Introduced NDD_REGION_LABELING
> flag for region label. Based on these flags nvdimm driver performs
> operation on namespace label or region label.
> 
> NDD_REGION_LABELING will be utilized by cxl driver to enable LSA 2.1
> region label support
> 
> Accordingly updated label index version
> 
> Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>
> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
> Signed-off-by: Neeraj Kumar <s.neeraj@...sung.com>

Reviewed-by: Ira Weiny <ira.weiny@...el.com>

[snip]