Re: [PATCH v5 8/8] cxl/edac: Add CXL memory device soft PPR control feature

Randy Dunlap
2025-05-15T17:23:39Z

On 5/15/25 4:59 AM, shiju.jose@huawei.com wrote:
> diff --git a/Documentation/edac/memory_repair.rst b/Documentation/edac/memory_repair.rst
> index 5b1cd8297442..3a3fc11b8fea 100644
> --- a/Documentation/edac/memory_repair.rst
> +++ b/Documentation/edac/memory_repair.rst
> @@ -138,5 +138,15 @@ CXL device to perform a repair operation on its media. For example, a CXL
> device with DRAM components that support memory sparing features may
> implement sparing maintenance operations.
>
> +2. CXL memory Soft Post Package Repair (sPPR)
> +
> +Post Package Repair (PPR) maintenance operations may be supported by CXL
> +devices that implement CXL.mem protocol. A PPR maintenance operation
> +requests the CXL device to perform a repair operation on its media.
> +For example, a CXL device with DRAM components that support PPR features
> +may implement PPR Maintenance operations. Soft PPR (sPPR), is a temporary

no comma: ^

> +row repair. Soft PPR may be faster, but the repair is lost with a power
> +cycle.
> +
> Sysfs files for memory repair are documented in
> `Documentation/ABI/testing/sysfs-edac-memory-repair

--
~Randy