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From: Neeraj Kumar <s.neeraj@samsung.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev,
	linux-kernel@vger.kernel.org, gost.dev@samsung.com,
	a.manzanares@samsung.com, vishak.g@samsung.com,
	neeraj.kernel@gmail.com, cpgs@samsung.com
Subject: Re: [PATCH V2 05/20] nvdimm/region_label: Add region label updation routine
Date: Thu, 4 Sep 2025 19:43:39 +0530	[thread overview]
Message-ID: <700072760.81757055783458.JavaMail.epsvc@epcpadp2new> (raw)
In-Reply-To: <9966a586-8ad2-4724-a37b-298ac0257985@intel.com>

[-- Attachment #1: Type: text/plain, Size: 941 bytes --]

On 15/08/25 04:12PM, Dave Jiang wrote:
>
>
>On 7/30/25 5:11 AM, Neeraj Kumar wrote:
><snip>
>
>> diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
>> index 651847f1bbf9..15d94e3937f0 100644
>> --- a/drivers/nvdimm/nd.h
>> +++ b/drivers/nvdimm/nd.h
>> @@ -322,6 +322,26 @@ static inline void nsl_set_region_uuid(struct nvdimm_drvdata *ndd,
>>  		export_uuid(ns_label->cxl.region_uuid, uuid);
>>  }
>>
>> +static inline bool rgl_uuid_equal(struct cxl_region_label *rg_label,
>> +				  const uuid_t *uuid)
>> +{
>> +	uuid_t tmp;
>> +
>> +	import_uuid(&tmp, rg_label->uuid);
>> +	return uuid_equal(&tmp, uuid);
>
>Why the extra copy via import_uuid() rather than directly compare rg_labe->uuid vs the uuid param?
>
>DJ

Thanks Dave for your suggestion. I have used because of import_uuid()
and uuid_equal() signature difference. Sure I will use uuid_equal()
directly using typecasting and will modify it in next patch-set.

Regards,
Neeraj

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  reply	other threads:[~2025-09-05  7:03 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20250730121221epcas5p3ffb9e643af6b8ae07cfccf0bdee90e37@epcas5p3.samsung.com>
2025-07-30 12:11 ` [PATCH V2 00/20] Add CXL LSA 2.1 format support in nvdimm and cxl pmem Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 01/20] nvdimm/label: Introduce NDD_CXL_LABEL flag to set cxl label format Neeraj Kumar
2025-08-13 13:12     ` Jonathan Cameron
2025-08-15 18:06       ` Dave Jiang
2025-09-04 13:24         ` Neeraj Kumar
2025-09-04 13:20       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 02/20] nvdimm/label: Prep patch to accommodate cxl lsa 2.1 support Neeraj Kumar
2025-08-13 13:23     ` Jonathan Cameron
2025-09-04 13:27       ` Neeraj Kumar
2025-08-15 22:02     ` Dave Jiang
2025-09-04 13:31       ` Neeraj Kumar
2025-08-18 21:48     ` Dave Jiang
2025-09-04 13:33       ` Neeraj Kumar
2025-08-19 15:38     ` Ira Weiny
2025-09-04 13:42       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 03/20] nvdimm/namespace_label: Add namespace label changes as per CXL LSA v2.1 Neeraj Kumar
2025-07-31 13:12     ` kernel test robot
2025-08-13 13:27     ` Jonathan Cameron
2025-09-04 13:40       ` Neeraj Kumar
2025-08-19 15:57     ` Ira Weiny
2025-09-04 13:51       ` Neeraj Kumar
2025-08-19 19:36     ` Ira Weiny
2025-09-05  5:34       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 04/20] nvdimm/label: CXL labels skip the need for 'interleave-set cookie' Neeraj Kumar
2025-08-13 13:44     ` Jonathan Cameron
2025-09-04 13:54       ` Neeraj Kumar
2025-08-15 21:02     ` Dave Jiang
2025-09-04 14:01       ` Neeraj Kumar
2025-08-19 16:04     ` Ira Weiny
2025-09-04 14:02       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 05/20] nvdimm/region_label: Add region label updation routine Neeraj Kumar
2025-07-31 15:07     ` kernel test robot
2025-08-13 14:48     ` Jonathan Cameron
2025-09-04 14:06       ` Neeraj Kumar
2025-08-15 21:55     ` Dave Jiang
2025-09-04 14:12       ` Neeraj Kumar
2025-09-10 14:03         ` Jonathan Cameron
2025-08-15 23:12     ` Dave Jiang
2025-09-04 14:13       ` Neeraj Kumar [this message]
2025-08-19 18:16     ` Ira Weiny
2025-09-04 14:18       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 06/20] nvdimm/region_label: Add region label deletion routine Neeraj Kumar
2025-08-13 14:53     ` Jonathan Cameron
2025-09-04 14:20       ` Neeraj Kumar
2025-08-15 22:22     ` Dave Jiang
2025-09-04 14:23       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 07/20] nvdimm/namespace_label: Update namespace init_labels and its region_uuid Neeraj Kumar
2025-08-13 14:58     ` Jonathan Cameron
2025-09-04 14:24       ` Neeraj Kumar
2025-08-19 18:56     ` Ira Weiny
2025-09-04 14:28       ` Neeraj Kumar
2025-09-05 20:08         ` Ira Weiny
2025-09-08  5:36           ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 08/20] nvdimm/label: Include region label in slot validation Neeraj Kumar
2025-08-13 15:07     ` Jonathan Cameron
2025-09-04 14:30       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 09/20] nvdimm/namespace_label: Skip region label during ns label DPA reservation Neeraj Kumar
2025-08-13 15:09     ` Jonathan Cameron
2025-09-04 14:31       ` Neeraj Kumar
2025-07-30 12:11   ` [PATCH V2 10/20] nvdimm/region_label: Preserve cxl region information from region label Neeraj Kumar
2025-08-13 15:11     ` Jonathan Cameron
2025-09-04 14:33       ` Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 11/20] nvdimm/region_label: Export routine to fetch region information Neeraj Kumar
2025-08-13 15:13     ` Jonathan Cameron
2025-07-30 12:12   ` [PATCH V2 12/20] nvdimm/namespace_label: Skip region label during namespace creation Neeraj Kumar
2025-08-13 15:55     ` Jonathan Cameron
2025-09-04 14:34       ` Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 13/20] cxl/mem: Refactor cxl pmem region auto-assembling Neeraj Kumar
2025-08-20 16:41     ` Dave Jiang
2025-09-04 14:39       ` Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 14/20] cxl/region: Add devm_cxl_pmem_add_region() for pmem region creation Neeraj Kumar
2025-08-20  0:30     ` Dave Jiang
2025-09-04 14:55       ` Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 15/20] cxl: Add a routine to find cxl root decoder on cxl bus using cxl port Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 16/20] cxl/mem: Preserve cxl root decoder during mem probe Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 17/20] cxl/pmem: Preserve region information into nd_set Neeraj Kumar
2025-07-30 12:12   ` [PATCH V2 18/20] cxl/pmem: Add support of cxl lsa 2.1 support in cxl pmem Neeraj Kumar
2025-07-31  1:36     ` kernel test robot
2025-07-30 12:12   ` [PATCH V2 19/20] cxl/pmem_region: Prep patch to accommodate pmem_region attributes Neeraj Kumar
2025-07-31  1:57     ` kernel test robot
2025-07-31  2:17     ` kernel test robot
2025-07-30 12:12   ` [PATCH V2 20/20] cxl/pmem_region: Add sysfs attribute cxl region label updation/deletion Neeraj Kumar
2025-07-31 10:36     ` kernel test robot
2025-08-07  9:02   ` [PATCH V2 00/20] Add CXL LSA 2.1 format support in nvdimm and cxl pmem Neeraj Kumar
2025-08-12 21:46     ` Dave Jiang

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