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linux/Documentation/ABI/testing
Andrew Donnellan 5731d41af9 cxl: Deprecate driver
The cxl driver is no longer actively maintained and we intend to remove it
in a future kernel release.

cxl has received minimal maintenance for several years, and is not
supported on the Power10 processor. We aren't aware of any users who are
likely to be using recent kernels.

Change its MAINTAINERS status to obsolete, update the sysfs ABI
documentation accordingly, add a warning message on device probe, change
the Kconfig options to label it as deprecated, and don't build it by
default.

Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241210054055.144813-2-ajd@linux.ibm.com
2024-12-13 09:15:28 +05:30
..
configfs-acpi
configfs-iio
configfs-most
configfs-rdma_cm
configfs-spear-pcie-gadget
configfs-stp-policy
configfs-stp-policy-p_sys-t
configfs-tsm
configfs-usb-gadget
configfs-usb-gadget-acm
configfs-usb-gadget-ecm
configfs-usb-gadget-eem
configfs-usb-gadget-ffs
configfs-usb-gadget-hid
configfs-usb-gadget-loopback
configfs-usb-gadget-mass-storage
configfs-usb-gadget-midi
configfs-usb-gadget-midi2
configfs-usb-gadget-ncm
configfs-usb-gadget-obex
configfs-usb-gadget-phonet
configfs-usb-gadget-printer
configfs-usb-gadget-rndis
configfs-usb-gadget-serial
configfs-usb-gadget-sourcesink
configfs-usb-gadget-subset
configfs-usb-gadget-tcm
configfs-usb-gadget-uac1
configfs-usb-gadget-uac1_legacy
configfs-usb-gadget-uac2
configfs-usb-gadget-uvc
debugfs-cec-error-inj
debugfs-cros-ec
debugfs-cxl
debugfs-dell-wmi-ddv
debugfs-driver-dcc
debugfs-driver-genwqe
debugfs-driver-habanalabs
debugfs-driver-qat
debugfs-driver-qat_telemetry
debugfs-ec
debugfs-hisi-hpre
debugfs-hisi-migration
debugfs-hisi-sec
debugfs-hisi-zip
debugfs-hyperv
debugfs-ideapad
debugfs-iio-ad9467
debugfs-iio-backend
debugfs-intel-iommu
debugfs-moxtet
debugfs-msi-wmi-platform
debugfs-olpc
debugfs-pfo-nx-crypto
debugfs-pktcdvd
debugfs-scmi
debugfs-scmi-raw
debugfs-tpmi
debugfs-turris-mox-rwtm
debugfs-vfio
debugfs-wilco-ec
dell-smbios-wmi
dev-kmsg
devlink-resource-mlxsw
evm
gpio-cdev
ima_policy
ppc-memtrace
procfs-attr-current
procfs-attr-exec
procfs-attr-prev
procfs-diskstats
procfs-smaps_rollup
pstore
rtc-cdev
securityfs-secrets-coco
sysfs-amd-pmc
sysfs-amd-pmf
sysfs-ata
sysfs-block-aoe
sysfs-block-bcache
sysfs-block-device
sysfs-block-dm
sysfs-block-loop
sysfs-block-rnbd
sysfs-block-rssd
sysfs-block-zram
sysfs-bus-acpi
sysfs-bus-amba
sysfs-bus-auxiliary
sysfs-bus-bcma
sysfs-bus-cdx
sysfs-bus-coreboot
sysfs-bus-coresight-devices-cti
sysfs-bus-coresight-devices-etb10
sysfs-bus-coresight-devices-etm3x
sysfs-bus-coresight-devices-etm4x
sysfs-bus-coresight-devices-funnel
sysfs-bus-coresight-devices-stm
sysfs-bus-coresight-devices-tmc
sysfs-bus-coresight-devices-tpdm
sysfs-bus-coresight-devices-trbe
sysfs-bus-coresight-devices-ultra_smb
sysfs-bus-counter
sysfs-bus-css
sysfs-bus-cxl
sysfs-bus-dax
sysfs-bus-dfl
sysfs-bus-dfl-devices-emif
sysfs-bus-dfl-devices-n3000-nios
sysfs-bus-event_source-devices-caps
sysfs-bus-event_source-devices-dfl_fme
sysfs-bus-event_source-devices-dsa
sysfs-bus-event_source-devices-events
sysfs-bus-event_source-devices-format
sysfs-bus-event_source-devices-hisi_ptt
sysfs-bus-event_source-devices-hv_24x7
sysfs-bus-event_source-devices-hv_gpci
sysfs-bus-event_source-devices-iommu
sysfs-bus-event_source-devices-uncore
sysfs-bus-event_source-devices-vpa-pmu docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Fix htmldocs errors 2024-11-27 10:40:39 +05:30
sysfs-bus-fcoe
sysfs-bus-fsi
sysfs-bus-fsi-devices-sbefifo
sysfs-bus-fsl-mc
sysfs-bus-hsi
sysfs-bus-i2c-devices-bq32k
sysfs-bus-i2c-devices-fsa9480
sysfs-bus-i2c-devices-hm6352
sysfs-bus-i2c-devices-lm3533
sysfs-bus-i2c-devices-pca954x
sysfs-bus-i2c-devices-turris-omnia-mcu
sysfs-bus-i3c
sysfs-bus-iio
sysfs-bus-iio-accel-adxl372
sysfs-bus-iio-accel-bmc150
sysfs-bus-iio-ad9739a
sysfs-bus-iio-adc-ad7192
sysfs-bus-iio-adc-ad7280a
sysfs-bus-iio-adc-envelope-detector
sysfs-bus-iio-adc-hi8435
sysfs-bus-iio-adc-max11410
sysfs-bus-iio-adc-mcp3564
sysfs-bus-iio-adc-mt6360
sysfs-bus-iio-adc-pac1934
sysfs-bus-iio-adc-stm32
sysfs-bus-iio-bno055
sysfs-bus-iio-cdc-ad7746
sysfs-bus-iio-chemical-sgp40
sysfs-bus-iio-chemical-sunrise-co2
sysfs-bus-iio-chemical-vz89x
sysfs-bus-iio-cros-ec
sysfs-bus-iio-dac
sysfs-bus-iio-dac-ad5766
sysfs-bus-iio-dac-dpot-dac
sysfs-bus-iio-dac-ltc2688
sysfs-bus-iio-dfsdm-adc-stm32
sysfs-bus-iio-distance-srf08
sysfs-bus-iio-dma-buffer
sysfs-bus-iio-filter-admv8818
sysfs-bus-iio-frequency-ad9523
sysfs-bus-iio-frequency-adf4350
sysfs-bus-iio-frequency-adf4371
sysfs-bus-iio-frequency-admv1013
sysfs-bus-iio-frequency-admv1014
sysfs-bus-iio-gyro-bmg160
sysfs-bus-iio-health-afe440x
sysfs-bus-iio-humidity
sysfs-bus-iio-impedance-analyzer-ad5933
sysfs-bus-iio-ina2xx-adc
sysfs-bus-iio-inv_icm42600
sysfs-bus-iio-isl29501
sysfs-bus-iio-light-isl29018
sysfs-bus-iio-light-lm3533-als
sysfs-bus-iio-light-si1133
sysfs-bus-iio-light-tsl2583
sysfs-bus-iio-light-tsl2772
sysfs-bus-iio-magnetometer-hmc5843
sysfs-bus-iio-meas-spec
sysfs-bus-iio-mpu6050
sysfs-bus-iio-potentiometer-mcp4531
sysfs-bus-iio-proximity
sysfs-bus-iio-proximity-as3935
sysfs-bus-iio-resolver-ad2s1210
sysfs-bus-iio-sps30
sysfs-bus-iio-sx9310
sysfs-bus-iio-sx9324
sysfs-bus-iio-thermocouple
sysfs-bus-iio-timer-stm32
sysfs-bus-iio-trigger-sysfs
sysfs-bus-iio-vf610
sysfs-bus-intel_th-devices-gth
sysfs-bus-intel_th-devices-msc
sysfs-bus-intel_th-devices-pti
sysfs-bus-intel_th-output-devices
sysfs-bus-mcb
sysfs-bus-mdio
sysfs-bus-media
sysfs-bus-mei
sysfs-bus-mmc
sysfs-bus-most
sysfs-bus-moxtet-devices
sysfs-bus-nfit
sysfs-bus-nvdimm
sysfs-bus-optee-devices
sysfs-bus-papr-pmem
sysfs-bus-pci
sysfs-bus-pci-devices-aer_stats
sysfs-bus-pci-devices-avs
sysfs-bus-pci-devices-catpt
sysfs-bus-pci-devices-cciss
sysfs-bus-pci-devices-pvpanic
sysfs-bus-pci-drivers-ehci_hcd
sysfs-bus-pci-drivers-janz-cmodio
sysfs-bus-pci-drivers-xhci_hcd
sysfs-bus-peci
sysfs-bus-platform
sysfs-bus-platform-devices-ampere-smpro
sysfs-bus-platform-devices-occ-hwmon
sysfs-bus-platform-drivers-amd_x3d_vcache
sysfs-bus-platform-onboard-usb-dev
sysfs-bus-rapidio
sysfs-bus-rbd
sysfs-bus-rpmsg
sysfs-bus-siox
sysfs-bus-soundwire-master
sysfs-bus-soundwire-slave
sysfs-bus-spi-devices-spi-nor
sysfs-bus-surface_aggregator-tabletsw
sysfs-bus-thunderbolt
sysfs-bus-typec
sysfs-bus-usb
sysfs-bus-usb-devices-usbsevseg
sysfs-bus-usb-lvstest
sysfs-bus-vdpa
sysfs-bus-vfio-mdev
sysfs-bus-vmbus
sysfs-bus-wmi
sysfs-c2port
sysfs-cfq-target-latency
sysfs-class
sysfs-class-backlight
sysfs-class-backlight-driver-lm3533
sysfs-class-backlight-lm3639
sysfs-class-bdi
sysfs-class-bsr
sysfs-class-chromeos
sysfs-class-chromeos-driver-cros-ec-lightbar
sysfs-class-chromeos-driver-cros-ec-vbc
sysfs-class-devfreq
sysfs-class-devfreq-event
sysfs-class-devlink
sysfs-class-extcon
sysfs-class-fc
sysfs-class-fc_host
sysfs-class-fc_remote_ports
sysfs-class-firmware
sysfs-class-firmware-attributes
sysfs-class-fpga-bridge
sysfs-class-fpga-manager
sysfs-class-fpga-region
sysfs-class-gnss
sysfs-class-hwmon
sysfs-class-intel_pmt
sysfs-class-iommu
sysfs-class-iommu-amd-iommu
sysfs-class-iommu-intel-iommu
sysfs-class-lcd
sysfs-class-led
sysfs-class-led-driver-aw200xx
sysfs-class-led-driver-lm3533
sysfs-class-led-driver-turris-omnia
sysfs-class-led-flash
sysfs-class-led-multicolor
sysfs-class-led-trigger-netdev
sysfs-class-led-trigger-oneshot
sysfs-class-led-trigger-pattern
sysfs-class-led-trigger-tty
sysfs-class-led-trigger-usbport
sysfs-class-leds-gt683r
sysfs-class-mei
sysfs-class-mic
sysfs-class-mtd
sysfs-class-mux
sysfs-class-net
sysfs-class-net-cdc_ncm
sysfs-class-net-dsa
sysfs-class-net-grcan
sysfs-class-net-janz-ican3
sysfs-class-net-peak_usb
sysfs-class-net-phydev
sysfs-class-net-qmi
sysfs-class-net-queues
sysfs-class-net-statistics
sysfs-class-ocxl
sysfs-class-pktcdvd
sysfs-class-power
sysfs-class-power-ltc4162l
sysfs-class-power-mp2629
sysfs-class-power-rt9467
sysfs-class-power-rt9471
sysfs-class-power-surface
sysfs-class-power-twl4030
sysfs-class-power-wilco
sysfs-class-powercap
sysfs-class-pwm
sysfs-class-rapidio
sysfs-class-rc
sysfs-class-rc-nuvoton
sysfs-class-regulator
sysfs-class-remoteproc
sysfs-class-rnbd-client
sysfs-class-rnbd-server
sysfs-class-rtc
sysfs-class-rtc-rtc0-device-rtc_calibration
sysfs-class-rtrs-client
sysfs-class-rtrs-server
sysfs-class-scsi_host
sysfs-class-scsi_tape
sysfs-class-spi-eeprom
sysfs-class-stm
sysfs-class-stm_source
sysfs-class-switchtec
sysfs-class-tee
sysfs-class-thermal
sysfs-class-typec
sysfs-class-usb_power_delivery
sysfs-class-usb_role
sysfs-class-vduse
sysfs-class-wakeup
sysfs-class-watchdog
sysfs-class-zram
sysfs-dev
sysfs-devices
sysfs-devices-consumer
sysfs-devices-coredump
sysfs-devices-edac
sysfs-devices-firmware_node
sysfs-devices-lpss_ltr
sysfs-devices-mapping
sysfs-devices-memory
sysfs-devices-mmc
sysfs-devices-online
sysfs-devices-physical_location
sysfs-devices-platform-_UDC_-gadget
sysfs-devices-platform-ACPI-TAD
sysfs-devices-platform-docg3
sysfs-devices-platform-dock
sysfs-devices-platform-ipmi
sysfs-devices-platform-kunpeng_hccs
sysfs-devices-platform-sh_mobile_lcdc_fb
sysfs-devices-platform-soc-ipa
sysfs-devices-platform-stratix10-rsu
sysfs-devices-platform-trackpoint
sysfs-devices-power
sysfs-devices-power_resources_D0
sysfs-devices-power_resources_D1
sysfs-devices-power_resources_D2
sysfs-devices-power_resources_D3hot
sysfs-devices-power_resources_wakeup
sysfs-devices-power_state
sysfs-devices-real_power_state
sysfs-devices-removable
sysfs-devices-resource_in_use
sysfs-devices-soc
sysfs-devices-software_node
sysfs-devices-state_synced
sysfs-devices-sun
sysfs-devices-supplier
sysfs-devices-system-cpu
sysfs-devices-system-ibm-rtl
sysfs-devices-system-xen_cpu
sysfs-devices-vfio-dev
sysfs-devices-waiting_for_supplier
sysfs-devices-xenbus
sysfs-driver-altera-cvp
sysfs-driver-aspeed-uart-routing
sysfs-driver-bd9571mwv-regulator
sysfs-driver-ccp
sysfs-driver-chromeos-acpi
sysfs-driver-eud
sysfs-driver-fsi-master-gpio
sysfs-driver-ge-achc
sysfs-driver-genwqe
sysfs-driver-habanalabs
sysfs-driver-hid
sysfs-driver-hid-corsair
sysfs-driver-hid-corsair-void
sysfs-driver-hid-lenovo
sysfs-driver-hid-logitech-hidpp
sysfs-driver-hid-logitech-lg4ff
sysfs-driver-hid-multitouch
sysfs-driver-hid-ntrig
sysfs-driver-hid-picolcd
sysfs-driver-hid-prodikeys
sysfs-driver-hid-roccat-kone
sysfs-driver-hid-srws1
sysfs-driver-hid-wiimote
sysfs-driver-input-axp-pek
sysfs-driver-input-cros-ec-keyb
sysfs-driver-input-exc3000
sysfs-driver-intc_sar
sysfs-driver-intel-i915-hwmon
sysfs-driver-intel-m10-bmc
sysfs-driver-intel-m10-bmc-sec-update
sysfs-driver-intel-rapid-start
sysfs-driver-intel-xe-hwmon
sysfs-driver-intel_sdsi
sysfs-driver-jz4780-efuse
sysfs-driver-panfrost-profiling
sysfs-driver-panthor-profiling
sysfs-driver-pciback
sysfs-driver-ppi
sysfs-driver-qat
sysfs-driver-qat_ras
sysfs-driver-qat_rl
sysfs-driver-samsung-laptop
sysfs-driver-spi-intel
sysfs-driver-st
sysfs-driver-tegra-fuse
sysfs-driver-toshiba_acpi
sysfs-driver-toshiba_haps
sysfs-driver-typec-displayport
sysfs-driver-uacce
sysfs-driver-ucsi-ccg
sysfs-driver-ufs
sysfs-driver-w1_ds28e17
sysfs-driver-w1_therm
sysfs-driver-wacom
sysfs-driver-xdata
sysfs-driver-xen-blkback
sysfs-driver-xen-blkfront
sysfs-driver-xilinx-tmr-manager
sysfs-driver-zynqmp-fpga
sysfs-firmware-acpi
sysfs-firmware-dmi-entries
sysfs-firmware-dmi-tables
sysfs-firmware-efi
sysfs-firmware-efi-esrt
sysfs-firmware-efi-runtime-map
sysfs-firmware-gsmi
sysfs-firmware-initrd
sysfs-firmware-lefi-boardinfo
sysfs-firmware-log
sysfs-firmware-memmap
sysfs-firmware-ofw
sysfs-firmware-opal-powercap
sysfs-firmware-opal-psr
sysfs-firmware-opal-sensor-groups
sysfs-firmware-papr-energy-scale-info
sysfs-firmware-qemu_fw_cfg
sysfs-firmware-sgi_uv
sysfs-firmware-turris-mox-rwtm
sysfs-fs-erofs
sysfs-fs-ext4
sysfs-fs-f2fs f2fs: add a sysfs node to limit max read extent count per-inode 2024-11-23 15:48:13 +00:00
sysfs-fs-nilfs2
sysfs-fs-ubifs
sysfs-fs-virtiofs
sysfs-fs-xfs
sysfs-hypervisor-xen
sysfs-ibft
sysfs-kernel-address_bits
sysfs-kernel-boot_params
sysfs-kernel-btf
sysfs-kernel-cpu_byteorder
sysfs-kernel-dmabuf-buffers
sysfs-kernel-fadump
sysfs-kernel-fscaps
sysfs-kernel-iommu_groups
sysfs-kernel-irq
sysfs-kernel-livepatch
sysfs-kernel-mm
sysfs-kernel-mm-cma
sysfs-kernel-mm-damon
sysfs-kernel-mm-hugepages
sysfs-kernel-mm-ksm
sysfs-kernel-mm-memory-tiers
sysfs-kernel-mm-mempolicy
sysfs-kernel-mm-mempolicy-weighted-interleave
sysfs-kernel-mm-numa
sysfs-kernel-mm-swap
sysfs-kernel-mm-transparent-hugepage
sysfs-kernel-oops_count
sysfs-kernel-reboot
sysfs-kernel-slab
sysfs-kernel-vmcoreinfo
sysfs-kernel-warn_count
sysfs-mce
sysfs-memory-page-offline
sysfs-module
sysfs-nvmem-cells
sysfs-ocfs2
sysfs-platform-asus-laptop
sysfs-platform-asus-wmi
sysfs-platform-at91
sysfs-platform-brcmstb-gisb-arb
sysfs-platform-brcmstb-memc
sysfs-platform-chipidea-usb-otg
sysfs-platform-chipidea-usb2
sysfs-platform-dell-laptop
sysfs-platform-dell-privacy-wmi
sysfs-platform-dell-smbios
sysfs-platform-dell-wmi-ddv
sysfs-platform-dfl-fme
sysfs-platform-dfl-port
sysfs-platform-dptf
sysfs-platform-eeepc-laptop
sysfs-platform-hidma
sysfs-platform-hidma-mgmt
sysfs-platform-i2c-demux-pinctrl
sysfs-platform-ideapad-laptop
sysfs-platform-intel-ifs
sysfs-platform-intel-pmc
sysfs-platform-intel-wmi-sbl-fw-update
sysfs-platform-intel-wmi-thunderbolt
sysfs-platform-kim
sysfs-platform-lg-laptop
sysfs-platform-mellanox-bootctl
sysfs-platform-msi-laptop
sysfs-platform-phy-rcar-gen3-usb2
sysfs-platform-power-on-reason
sysfs-platform-renesas_usb3
sysfs-platform-silicom
sysfs-platform-sst-atom
sysfs-platform-tahvo-usb
sysfs-platform-ts5500
sysfs-platform-twl4030-usb
sysfs-platform-usbip-vudc
sysfs-platform-wilco-ec
sysfs-platform_profile
sysfs-power
sysfs-pps
sysfs-profiling
sysfs-ptp
sysfs-secvar
sysfs-timecard
sysfs-tty
sysfs-uevent
usb-charger-uevent
usb-uevent