mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Dave Jiang <dave.jiang@intel.com>
To: Neeraj Kumar <s.neeraj@samsung.com>,
	linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev,
	linux-kernel@vger.kernel.org, gost.dev@samsung.com
Cc: a.manzanares@samsung.com, vishak.g@samsung.com, neeraj.kernel@gmail.com
Subject: Re: [PATCH V4 17/17] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem
Date: Wed, 19 Nov 2025 16:37:46 -0700	[thread overview]
Message-ID: <3c7daa78-7eb6-4fef-b68f-2bda9c489958@intel.com> (raw)
In-Reply-To: <20251119075255.2637388-18-s.neeraj@samsung.com>



On 11/19/25 12:52 AM, Neeraj Kumar wrote:
> Add support of CXL LSA 2.1 using NDD_REGION_LABELING flag. It creates
> cxl region based on region information parsed from LSA
> 
> Signed-off-by: Neeraj Kumar <s.neeraj@samsung.com>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>

> ---
>  drivers/cxl/pmem.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
> index a6eba3572090..5970d1792be8 100644
> --- a/drivers/cxl/pmem.c
> +++ b/drivers/cxl/pmem.c
> @@ -135,6 +135,7 @@ static int cxl_nvdimm_probe(struct device *dev)
>  		return rc;
>  
>  	set_bit(NDD_LABELING, &flags);
> +	set_bit(NDD_REGION_LABELING, &flags);
>  	set_bit(NDD_REGISTER_SYNC, &flags);
>  	set_bit(ND_CMD_GET_CONFIG_SIZE, &cmd_mask);
>  	set_bit(ND_CMD_GET_CONFIG_DATA, &cmd_mask);
> @@ -155,6 +156,7 @@ static int cxl_nvdimm_probe(struct device *dev)
>  		return -ENOMEM;
>  
>  	dev_set_drvdata(dev, nvdimm);
> +	create_pmem_region(nvdimm);
>  	return devm_add_action_or_reset(dev, unregister_nvdimm, nvdimm);
>  }
>  


      reply	other threads:[~2025-11-19 23:37 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20251119075306epcas5p22a87515de65a3c668275b394cdea83b0@epcas5p2.samsung.com>
2025-11-19  7:52 ` [PATCH V4 00/17] Add CXL LSA 2.1 format support in nvdimm and " Neeraj Kumar
     [not found]   ` <CGME20251119075307epcas5p3007a9cb341efc3fa57b763e74caa35c4@epcas5p3.samsung.com>
2025-11-19  7:52     ` [PATCH V4 01/17] nvdimm/label: Introduce NDD_REGION_LABELING flag to set region label Neeraj Kumar
     [not found]   ` <CGME20251119075309epcas5p204a699babdf635f11f4b97d3ab8e8a13@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 02/17] nvdimm/label: CXL labels skip the need for 'interleave-set cookie' Neeraj Kumar
     [not found]   ` <CGME20251119075311epcas5p1af6f86ca65fd4a8452979e861b87a841@epcas5p1.samsung.com>
2025-11-19  7:52     ` [PATCH V4 03/17] nvdimm/label: Add namespace/region label support as per LSA 2.1 Neeraj Kumar
2025-11-19 15:51       ` Dave Jiang
2026-01-09 11:46         ` Neeraj Kumar
2025-12-17 14:31       ` Jonathan Cameron
2026-01-09 11:51         ` Neeraj Kumar
     [not found]   ` <CGME20251119075313epcas5p2db0de2ac270e4676b12730e10281ef83@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 04/17] nvdimm/label: Include region label in slot validation Neeraj Kumar
2025-11-19 16:54       ` Dave Jiang
     [not found]   ` <CGME20251119075315epcas5p2be6f51993152492f0dd64366863d70e2@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 05/17] nvdimm/label: Skip region label during ns label DPA reservation Neeraj Kumar
2025-11-19 17:01       ` Dave Jiang
2025-12-17 14:33       ` Jonathan Cameron
2026-01-09 11:53         ` Neeraj Kumar
     [not found]   ` <CGME20251119075317epcas5p41468e3c1602d89e634f48a7b67454663@epcas5p4.samsung.com>
2025-11-19  7:52     ` [PATCH V4 06/17] nvdimm/label: Preserve region label during namespace creation Neeraj Kumar
2025-11-19 18:07       ` Dave Jiang
     [not found]   ` <CGME20251119075319epcas5p2374c721a42a68cfb6f2b17b17c51c0ea@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 07/17] nvdimm/label: Add region label delete support Neeraj Kumar
2025-11-19 19:50       ` Dave Jiang
2026-01-09 11:56         ` Neeraj Kumar
2025-12-17 15:05       ` Jonathan Cameron
2026-01-09 11:58         ` Neeraj Kumar
     [not found]   ` <CGME20251119075321epcas5p19665a54028ce13d8c1af3f00c0834fc7@epcas5p1.samsung.com>
2025-11-19  7:52     ` [PATCH V4 08/17] nvdimm/label: Preserve cxl region information from region label Neeraj Kumar
2025-11-19 20:13       ` Dave Jiang
2026-01-09 12:03         ` Neeraj Kumar
2025-12-17 15:09       ` Jonathan Cameron
2026-01-09 12:06         ` Neeraj Kumar
     [not found]   ` <CGME20251119075323epcas5p369dea15a390bea0b3690e2a19533f956@epcas5p3.samsung.com>
2025-11-19  7:52     ` [PATCH V4 09/17] nvdimm/label: Export routine to fetch region information Neeraj Kumar
2025-11-19 20:18       ` Dave Jiang
2025-12-17 15:12       ` Jonathan Cameron
2026-01-09 12:09         ` Neeraj Kumar
     [not found]   ` <CGME20251119075324epcas5p1b0a7149ede962491e6be2d72d33f77eb@epcas5p1.samsung.com>
2025-11-19  7:52     ` [PATCH V4 10/17] cxl/mem: Refactor cxl pmem region auto-assembling Neeraj Kumar
2025-11-19 20:44       ` Dave Jiang
2026-01-09 12:10         ` Neeraj Kumar
     [not found]   ` <CGME20251119075327epcas5p29991fec95ca8a26503f457a30bb2429a@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 11/17] cxl/region: Add devm_cxl_pmem_add_region() for pmem region creation Neeraj Kumar
2025-11-19 21:33       ` Dave Jiang
2026-01-09 12:13         ` Neeraj Kumar
2025-12-17 15:28       ` Jonathan Cameron
2026-01-09 12:22         ` Neeraj Kumar
     [not found]   ` <CGME20251119075329epcas5p2e59df029313007c9adcf3a09ef0185cf@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 12/17] cxl/pmem: Preserve region information into nd_set Neeraj Kumar
2025-11-19 22:00       ` Dave Jiang
     [not found]   ` <CGME20251119075332epcas5p2d173f0373aa1ccdfcd4d75c68d5d09fd@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 13/17] cxl/pmem_region: Prep patch to accommodate pmem_region attributes Neeraj Kumar
2025-11-19 22:08       ` Dave Jiang
2025-12-17 15:35       ` Jonathan Cameron
2026-01-09 12:26         ` Neeraj Kumar
     [not found]   ` <CGME20251119075335epcas5p3a8fdc68301233f899d9041a300309fa2@epcas5p3.samsung.com>
2025-11-19  7:52     ` [PATCH V4 14/17] cxl/pmem_region: Introduce CONFIG_CXL_PMEM_REGION for core/pmem_region.c Neeraj Kumar
2025-11-19 22:24       ` Dave Jiang
2025-12-17 15:38       ` Jonathan Cameron
2026-01-09 12:29         ` Neeraj Kumar
     [not found]   ` <CGME20251119075337epcas5p2cb576137ca33d6304add4e1ba0b2bdc1@epcas5p2.samsung.com>
2025-11-19  7:52     ` [PATCH V4 15/17] cxl/pmem_region: Add sysfs attribute cxl region label updation/deletion Neeraj Kumar
2025-11-19 23:10       ` Dave Jiang
2026-01-09 12:31         ` Neeraj Kumar
2025-12-17 15:40       ` Jonathan Cameron
2026-01-09 12:32         ` Neeraj Kumar
     [not found]   ` <CGME20251119075339epcas5p3160bfa74362cc974e917fcc9b83ee112@epcas5p3.samsung.com>
2025-11-19  7:52     ` [PATCH V4 16/17] cxl/pmem_region: Create pmem region using information parsed from LSA Neeraj Kumar
2025-11-19 23:37       ` Dave Jiang
2026-01-09 12:37         ` Neeraj Kumar
     [not found]   ` <CGME20251119075340epcas5p42d0fa80388af654dff0da088fb3e978c@epcas5p4.samsung.com>
2025-11-19  7:52     ` [PATCH V4 17/17] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem Neeraj Kumar
2025-11-19 23:37       ` Dave Jiang [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3c7daa78-7eb6-4fef-b68f-2bda9c489958@intel.com \
    --to=dave.jiang@intel.com \
    --cc=a.manzanares@samsung.com \
    --cc=gost.dev@samsung.com \
    --cc=linux-cxl@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=neeraj.kernel@gmail.com \
    --cc=nvdimm@lists.linux.dev \
    --cc=s.neeraj@samsung.com \
    --cc=vishak.g@samsung.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®