linux-kernel - Re: [PATCH V3 05/20] nvdimm/namespace_label: Add namespace label changes as per CXL LSA v2.1

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Message-ID: <1983025922.01759726502090.JavaMail.epsvc@epcpadp1new>
Date: Mon, 29 Sep 2025 18:58:05 +0530
From: Neeraj Kumar <s.neeraj@...sung.com>
To: Dave Jiang <dave.jiang@...el.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 V3 05/20] nvdimm/namespace_label: Add namespace label
 changes as per CXL LSA v2.1

On 23/09/25 02:48PM, Dave Jiang wrote:
>> +static inline void nsl_set_type(struct nvdimm_drvdata *ndd,
>> +				struct nd_namespace_label *ns_label)
>> +{
>> +	if (ndd->cxl && ns_label)
>> +		uuid_parse(CXL_NAMESPACE_UUID, (uuid_t *) ns_label->cxl.type);
>
>You can do:
>uuid_copy(ns_label->cxl.type, cxl_namespace_uuid);
>
>All the constant UUIDs are preparsed by nd_label_init(). For the entire series you can use those pre-parsed uuid_t and just use uuid_copy() instead of having to do string to uuid_t conversions.
>
>DJ
>

Yes using preparsed UUID's will help to avoid extra uuid_parse() usage.
Sure, I will fix it accordingly


Regards,
Neeraj