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The Linux kernel configuration item CONFIG_CXL_MEM
has multiple definitions:
drivers/cxl/Kconfig
The configuration item CONFIG_CXL_MEM:
CONFIG_CXL_PCI
cxl_mem
, cxl_pci
The CXL.mem protocol allows a device to act as a provider of "System RAM" and/or "Persistent Memory" that is fully coherent as if the memory were attached to the typical CPU memory controller. This is known as HDM "Host-managed Device Memory".
Say 'y/m' to enable a driver that will attach to CXL.mem devices for memory expansion and control of HDM. See Chapter 9.13 in the CXL 2.0 specification for a detailed description of HDM.
If unsure say 'm'.
drivers/cxl/Kconfig
The configuration item CONFIG_CXL_MEM:
(none)
cxl_mem
, cxl_pci
The CXL.mem protocol allows a device to act as a provider of "System RAM" and/or "Persistent Memory" that is fully coherent as if the memory was attached to the typical CPU memory controller.
Say 'y/m' to enable a driver that will attach to CXL.mem devices for configuration and management primarily via the mailbox interface. See Chapter 2.3 Type 3 CXL Device in the CXL 2.0 specification for more details.
If unsure say 'm'.
Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:
05
("Memory controller"), subclass: 02
("CXL"), prog-if: 10
("CXL Memory Device (CXL 2.x)")05
("Memory controller"), subclass: 02
("CXL"), prog-if: 10
("CXL Memory Device (CXL 2.x)")Raw data from LKDDb:
lkddb module cxl_mem CONFIG_CXL_MEM : drivers/cxl/Kconfig : "CXL: Memory Expansion" # in 5.12–5.13, 5.18–5.19, 6.0–6.11
lkddb module cxl_pci CONFIG_CXL_MEM : drivers/cxl/Kconfig : "CXL.mem: Memory Devices" # in 5.14–5.17, 5.17+HEAD
lkddb pci .... .... .... .... 050210 : CONFIG_CXL_BUS CONFIG_CXL_MEM : drivers/cxl/mem.c # in 5.12–5.13
lkddb pci .... .... .... .... 050210 : CONFIG_CXL_BUS CONFIG_CXL_MEM : drivers/cxl/pci.c # in 5.14–5.17, 5.17+HEAD
This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).
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