From: Neeraj Kumar <s.neeraj@samsung.com>
To: Alison Schofield <alison.schofield@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,
Jonathan Cameron <jonathan.cameron@huawei.com>
Subject: Re: [PATCH V3 08/20] nvdimm/label: Include region label in slot validation
Date: Mon, 29 Sep 2025 19:40:14 +0530 [thread overview]
Message-ID: <306123060.201759726504908.JavaMail.epsvc@epcpadp1new> (raw)
In-Reply-To: <aNRjE9gckXeC60-Q@aschofie-mobl2.lan>
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On 24/09/25 02:30PM, Alison Schofield wrote:
>On Wed, Sep 17, 2025 at 07:11:04PM +0530, Neeraj Kumar wrote:
>> Slot validation routine validates label slot by calculating label
>> checksum. It was only validating namespace label. This changeset also
>> validates region label if present.
>
>Neeraj,
>
>Was it previously wrong 'only validating namespace label'
>- or -
>Is validating region label something new available with cxl
>namespaces that we now must add?
>
>I'm looking for that pattern in these commit messages, ie
>this is how it use to be, this is why it doesn't work now,
>so here is the change.
>
>-- Alison
>
Hi Alison,
Earlier labels were meant only as namespace lables. LSA 2.1 introduces
new region label because of this slots for both namespace and region
labels should be validated.
May be I will elaborate the commit message to properly communicate
this information
Regards,
Neeraj
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next prev parent reply other threads:[~2025-10-06 4:55 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20250917134126epcas5p3e20c773759b91f70a1caa32b9f6f27ff@epcas5p3.samsung.com>
2025-09-17 13:40 ` [PATCH V3 00/20] Add CXL LSA 2.1 format support in nvdimm and cxl pmem Neeraj Kumar
2025-09-17 13:40 ` [PATCH V3 01/20] nvdimm/label: Introduce NDD_REGION_LABELING flag to set region label Neeraj Kumar
2025-09-19 23:10 ` Dave Jiang
2025-09-22 12:41 ` Neeraj Kumar
2025-09-17 13:40 ` [PATCH V3 02/20] nvdimm/label: CXL labels skip the need for 'interleave-set cookie' Neeraj Kumar
2025-09-19 23:31 ` Dave Jiang
2025-09-17 13:40 ` [PATCH V3 03/20] nvdimm/label: Modify nd_label_base() signature Neeraj Kumar
2025-09-19 21:42 ` Ira Weiny
2025-09-19 23:34 ` Dave Jiang
2025-09-22 12:44 ` Neeraj Kumar
2025-09-24 21:02 ` Alison Schofield
2025-09-29 14:07 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 04/20] nvdimm/label: Update mutex_lock() with guard(mutex)() Neeraj Kumar
2025-09-19 21:55 ` Ira Weiny
2025-09-22 12:56 ` Neeraj Kumar
2025-09-19 23:50 ` Dave Jiang
2025-09-20 17:44 ` Ira Weiny
2025-09-22 13:01 ` Neeraj Kumar
2025-09-24 21:42 ` Alison Schofield
2025-09-29 14:19 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 05/20] nvdimm/namespace_label: Add namespace label changes as per CXL LSA v2.1 Neeraj Kumar
2025-09-17 14:54 ` Jonathan Cameron
2025-09-19 22:00 ` Ira Weiny
2025-09-22 13:05 ` Neeraj Kumar
2025-09-19 23:59 ` Dave Jiang
2025-09-22 13:03 ` Neeraj Kumar
2025-09-23 21:48 ` Dave Jiang
2025-09-29 13:28 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 06/20] nvdimm/region_label: Add region label update support Neeraj Kumar
2025-09-17 15:36 ` Jonathan Cameron
2025-09-22 13:12 ` Neeraj Kumar
2025-10-06 16:56 ` Dave Jiang
2025-09-22 23:11 ` Dave Jiang
2025-09-29 13:24 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 07/20] nvdimm/region_label: Add region label delete support Neeraj Kumar
2025-09-22 21:37 ` Dave Jiang
2025-09-29 13:13 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 08/20] nvdimm/label: Include region label in slot validation Neeraj Kumar
2025-09-22 22:17 ` Dave Jiang
2025-09-29 13:17 ` Neeraj Kumar
2025-09-24 21:30 ` Alison Schofield
2025-09-29 14:10 ` Neeraj Kumar [this message]
2025-09-17 13:41 ` [PATCH V3 09/20] nvdimm/namespace_label: Skip region label during ns label DPA reservation Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 10/20] nvdimm/namespace_label: Skip region label during namespace creation Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 11/20] nvdimm/region_label: Preserve cxl region information from region label Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 12/20] nvdimm/region_label: Export routine to fetch region information Neeraj Kumar
2025-09-23 20:23 ` Dave Jiang
2025-09-29 13:26 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 13/20] cxl/mem: Refactor cxl pmem region auto-assembling Neeraj Kumar
2025-09-23 22:37 ` Dave Jiang
2025-09-29 13:30 ` Neeraj Kumar
2025-10-06 15:55 ` Dave Jiang
2025-11-07 12:39 ` Neeraj Kumar
2025-11-12 15:55 ` Dave Jiang
2025-11-13 7:27 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 14/20] cxl/region: Add devm_cxl_pmem_add_region() for pmem region creation Neeraj Kumar
2025-09-23 23:50 ` Dave Jiang
2025-09-29 13:37 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 15/20] cxl: Add a routine to find cxl root decoder on cxl bus using cxl port Neeraj Kumar
2025-09-24 18:11 ` Dave Jiang
2025-09-29 13:40 ` Neeraj Kumar
2025-10-06 16:02 ` Dave Jiang
2025-09-17 13:41 ` [PATCH V3 16/20] cxl/mem: Preserve cxl root decoder during mem probe Neeraj Kumar
2025-09-24 18:23 ` Dave Jiang
2025-09-29 13:52 ` Neeraj Kumar
2025-09-24 21:38 ` Alison Schofield
2025-09-29 14:13 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 17/20] cxl/pmem: Preserve region information into nd_set Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 18/20] cxl/pmem_region: Prep patch to accommodate pmem_region attributes Neeraj Kumar
2025-09-24 18:53 ` Dave Jiang
2025-09-29 13:57 ` Neeraj Kumar
2025-10-06 16:06 ` Dave Jiang
2025-11-07 12:49 ` Neeraj Kumar
2025-11-12 15:40 ` Dave Jiang
2025-11-13 7:29 ` Neeraj Kumar
2025-10-06 16:09 ` Dave Jiang
2025-09-17 13:41 ` [PATCH V3 19/20] cxl/pmem_region: Add sysfs attribute cxl region label updation/deletion Neeraj Kumar
2025-09-24 20:25 ` Dave Jiang
2025-09-29 14:00 ` Neeraj Kumar
2025-09-17 13:41 ` [PATCH V3 20/20] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem Neeraj Kumar
2025-09-24 20:47 ` Dave Jiang
2025-09-29 14:02 ` Neeraj Kumar
2025-10-06 16:13 ` Dave Jiang
2025-09-17 14:50 ` [PATCH V3 00/20] Add CXL LSA 2.1 format support in nvdimm and " Jonathan Cameron
2025-09-17 15:38 ` Dave Jiang
2025-09-22 12:36 ` Neeraj Kumar
2025-09-23 23:04 ` Alison Schofield
2025-09-29 13:33 ` Neeraj Kumar
[not found] <CGME20250917133041epcas5p38c48d254424379593c32f1ea6d141156@epcas5p3.samsung.com>
2025-09-17 13:29 ` Neeraj Kumar
2025-09-17 13:29 ` [PATCH V3 08/20] nvdimm/label: Include region label in slot validation Neeraj Kumar
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