CONFIG_CXL_EDAC_SCRUB: Enable CXL Patrol Scrub Control (Patrol Read)

General informations

The Linux kernel configuration item CONFIG_CXL_EDAC_SCRUB:

• prompt: Enable CXL Patrol Scrub Control (Patrol Read)
• type: bool
• depends on: ( CONFIG_CXL_EDAC_MEM_FEATURES ) && ( CONFIG_EDAC_SCRUB )
• defined in drivers/cxl/Kconfig
• found in Linux kernels: 6.16-rc+HEAD

Help text

The CXL EDAC scrub control is optional and allows host to control the scrub feature configurations of CXL memory expander devices.

When enabled 'cxl_mem' and 'cxl_region' EDAC devices are published with memory scrub control attributes as described by Documentation/ABI/testing/sysfs-edac-scrub.

Say 'y' if you have an expert need to change default settings of a memory scrub feature established by the platform/device (e.g. scrub rates for the patrol scrub feature). Otherwise say 'n'.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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