CONFIG_CXL_REGION: CXL: Region Support

General informations

The Linux kernel configuration item CONFIG_CXL_REGION has multiple definitions:

CXL: Region Support found in drivers/cxl/Kconfig

The configuration item CONFIG_CXL_REGION:

• prompt: CXL: Region Support
• type: bool
• depends on: CONFIG_SPARSEMEM
• defined in drivers/cxl/Kconfig
• found in Linux kernels: 6.3–6.12, 6.13-rc+HEAD

Help text

Enable the CXL core to enumerate and provision CXL regions. A CXL region is defined by one or more CXL expanders that decode a given system-physical address range. For CXL regions established by platform-firmware this option enables memory error handling to identify the devices participating in a given interleaved memory range. Otherwise, platform-firmware managed CXL is enabled by being placed in the system address map and does not need a driver.

If unsure say 'y'

found in drivers/cxl/Kconfig

The configuration item CONFIG_CXL_REGION:

• prompt:
• type: bool
• depends on: CONFIG_SPARSEMEM
• defined in drivers/cxl/Kconfig
• found in Linux kernels: 6.0–6.2, 6.2+HEAD

Help text

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Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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