linux-kernel - Re: [PATCH V2 03/20] nvdimm/namespace_label: Add namespace label changes as per CXL LSA v2.1

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Message-ID: <20250813142737.00005b0f@huawei.com>
Date: Wed, 13 Aug 2025 14:27:37 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Neeraj Kumar <s.neeraj@...sung.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>
Subject: Re: [PATCH V2 03/20] nvdimm/namespace_label: Add namespace label
 changes as per CXL LSA v2.1

On Wed, 30 Jul 2025 17:41:52 +0530
Neeraj Kumar <s.neeraj@...sung.com> wrote:

> CXL 3.2 Spec mentions CXL LSA 2.1 Namespace Labels at section 9.13.2.5
> Modified __pmem_label_update function using setter functions to update
> namespace label as per CXL LSA 2.1
> 
> Signed-off-by: Neeraj Kumar <s.neeraj@...sung.com>

> diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
> index 61348dee687d..651847f1bbf9 100644
> --- a/drivers/nvdimm/nd.h
> +++ b/drivers/nvdimm/nd.h
> @@ -295,6 +295,33 @@ static inline const u8 *nsl_uuid_raw(struct nvdimm_drvdata *ndd,

> +static inline void nsl_set_alignment(struct nvdimm_drvdata *ndd,
> +				     struct nd_namespace_label *ns_label,
> +				     u32 align)
> +{
> +	if (ndd->cxl)
> +		ns_label->cxl.align = __cpu_to_le16(align);

The bot caught this one, it should be __cpu_to_le32(align);

> +}