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Linus Torvalds eb254f323b Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cache allocation interface from Thomas Gleixner:
 "This provides support for Intel's Cache Allocation Technology, a cache
  partitioning mechanism.

  The interface is odd, but the hardware interface of that CAT stuff is
  odd as well.

  We tried hard to come up with an abstraction, but that only allows
  rather simple partitioning, but no way of sharing and dealing with the
  per package nature of this mechanism.

  In the end we decided to expose the allocation bitmaps directly so all
  combinations of the hardware can be utilized.

  There are two ways of associating a cache partition:

   - Task

     A task can be added to a resource group. It uses the cache
     partition associated to the group.

   - CPU

     All tasks which are not member of a resource group use the group to
     which the CPU they are running on is associated with.

     That allows for simple CPU based partitioning schemes.

  The main expected user sare:

   - Virtualization so a VM can only trash only the associated part of
     the cash w/o disturbing others

   - Real-Time systems to seperate RT and general workloads.

   - Latency sensitive enterprise workloads

   - In theory this also can be used to protect against cache side
     channel attacks"

[ Intel RDT is "Resource Director Technology". The interface really is
  rather odd and very specific, which delayed this pull request while I
  was thinking about it. The pull request itself came in early during
  the merge window, I just delayed it until things had calmed down and I
  had more time.

  But people tell me they'll use this, and the good news is that it is
  _so_ specific that it's rather independent of anything else, and no
  user is going to depend on the interface since it's pretty rare. So if
  push comes to shove, we can just remove the interface and nothing will
  break ]

* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
  x86/intel_rdt: Implement show_options() for resctrlfs
  x86/intel_rdt: Call intel_rdt_sched_in() with preemption disabled
  x86/intel_rdt: Update task closid immediately on CPU in rmdir and unmount
  x86/intel_rdt: Fix setting of closid when adding CPUs to a group
  x86/intel_rdt: Update percpu closid immeditately on CPUs affected by changee
  x86/intel_rdt: Reset per cpu closids on unmount
  x86/intel_rdt: Select KERNFS when enabling INTEL_RDT_A
  x86/intel_rdt: Prevent deadlock against hotplug lock
  x86/intel_rdt: Protect info directory from removal
  x86/intel_rdt: Add info files to Documentation
  x86/intel_rdt: Export the minimum number of set mask bits in sysfs
  x86/intel_rdt: Propagate error in rdt_mount() properly
  x86/intel_rdt: Add a missing #include
  MAINTAINERS: Add maintainer for Intel RDT resource allocation
  x86/intel_rdt: Add scheduler hook
  x86/intel_rdt: Add schemata file
  x86/intel_rdt: Add tasks files
  x86/intel_rdt: Add cpus file
  x86/intel_rdt: Add mkdir to resctrl file system
  x86/intel_rdt: Add "info" files to resctrl file system
  ...
 		2016-12-22 09:25:45 -08:00
..
configfs-acpi ACPI: add support for loading SSDTs via configfs 2016-07-08 21:52:36 +02:00
configfs-iio Documentation: iio: Add IIO software devices docs 2016-05-04 11:44:15 +01:00
configfs-rdma_cm IB/cma: Add configfs for rdma_cm 2015-12-23 10:39:52 -05:00
configfs-spear-pcie-gadget Pratyush Anand has moved 2015-06-25 17:00:38 -07:00
configfs-stp-policy stm class: Introduce an abstraction for System Trace Module devices 2015-10-04 20:28:58 +01:00
configfs-usb-gadget
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configfs-usb-gadget-acm
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configfs-usb-gadget-ecm
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configfs-usb-gadget-eem
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configfs-usb-gadget-ffs
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configfs-usb-gadget-hid
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configfs-usb-gadget-loopback Doc: ABI: testing: configfs-usb-gadget-loopback 2015-07-31 09:02:06 -05:00
configfs-usb-gadget-mass-storage
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configfs-usb-gadget-midi
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configfs-usb-gadget-ncm
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configfs-usb-gadget-obex
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configfs-usb-gadget-phonet
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configfs-usb-gadget-printer usb: gadget: printer: add configfs support 2015-03-10 15:33:41 -05:00
configfs-usb-gadget-rndis
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configfs-usb-gadget-serial
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configfs-usb-gadget-sourcesink Doc: ABI: configfs-usb-gadget-sourcesink: add two entries for depth of queue 2015-12-15 09:12:41 -06:00
configfs-usb-gadget-subset
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configfs-usb-gadget-tcm usb: gadget: f_tcm: add configfs support 2015-12-20 19:40:45 -08:00
configfs-usb-gadget-uac1
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configfs-usb-gadget-uac2
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configfs-usb-gadget-uvc Documentation: configfs-usb-gadget-uvc: fix kernel version 2016-05-31 11:12:58 +03:00
debugfs-driver-genwqe
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debugfs-ec
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debugfs-ideapad
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debugfs-olpc
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debugfs-pfo-nx-crypto
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debugfs-pktcdvd
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dev-kmsg printk: implement support for extended console drivers 2015-06-25 17:00:38 -07:00
evm
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gpio-cdev gpio: add a userspace character device ABI 2016-02-09 11:09:52 +01:00
ima_policy ima: support for kexec image and initramfs 2016-02-21 09:06:16 -05:00
procfs-diskstats
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pstore
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sysfs-ata libata: Fix sysfs documentation bug 2015-05-06 10:28:39 -04:00
sysfs-block block: add support for REQ_OP_WRITE_ZEROES 2016-12-01 07:58:40 -07:00
sysfs-block-bcache
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sysfs-block-dm dm: add 'use_blk_mq' module param and expose in per-device ro sysfs attr 2015-04-15 12:10:17 -04:00
sysfs-block-rssd
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sysfs-block-zram zram: introduce per-device debug_stat sysfs node 2016-05-20 17:58:30 -07:00
sysfs-bus-acpi
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sysfs-bus-amba ARM: 8256/1: driver coamba: add device binding path 'driver_override' 2015-02-10 10:23:15 +00:00
sysfs-bus-bcma
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sysfs-bus-coresight-devices-etb10 coresight: etb10: splitting sysFS "status" entry 2016-05-01 14:12:14 -07:00
sysfs-bus-coresight-devices-etm3x coresight: etm3x: adding documentation for sysFS's cpu interface 2015-10-17 22:03:00 -07:00
sysfs-bus-coresight-devices-etm4x coresight: etm4x: adding config and traceid registers 2016-05-01 14:12:14 -07:00
sysfs-bus-coresight-devices-funnel
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sysfs-bus-coresight-devices-stm coresight: stm: adding driver for CoreSight STM component 2016-05-03 14:59:30 -07:00
sysfs-bus-coresight-devices-tmc coresight: tmc: adding sysFS management entries 2016-05-03 14:59:30 -07:00
sysfs-bus-css
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sysfs-bus-event_source-devices-events perf Documentation: Add event parameters 2015-01-21 13:24:33 -03:00
sysfs-bus-event_source-devices-format
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sysfs-bus-event_source-devices-hv_24x7 Documentation: fix common spelling mistakes 2016-04-28 07:51:59 -06:00
sysfs-bus-event_source-devices-hv_gpci
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sysfs-bus-fcoe Doc:ABI/testing: Fix typo in sysfs-bus-fcoe 2015-06-22 10:35:05 -06:00
sysfs-bus-fsl-mc staging: fsl-mc: add sysfs ABI doc 2016-12-08 21:00:08 +01:00
sysfs-bus-hsi
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sysfs-bus-i2c-devices-fsa9480
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sysfs-bus-i2c-devices-hm6352
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sysfs-bus-i2c-devices-lm3533
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sysfs-bus-iio iio: Implement counter channel type and info constants 2016-10-01 17:06:02 +01:00
sysfs-bus-iio-accel-bmc150
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sysfs-bus-iio-adc-envelope-detector iio: envelope-detector: ADC driver based on a DAC and a comparator 2016-11-13 13:07:17 +00:00
sysfs-bus-iio-adc-hi8435 iio: adc: hi8435: Holt HI-8435 threshold detector 2015-09-23 20:23:18 +01:00
sysfs-bus-iio-chemical-vz89x iio: chemical: add SGX VZ89x VOC sensor support 2015-09-23 20:23:26 +01:00
sysfs-bus-iio-counter-104-quad-8 iio: 104-quad-8: Add IIO support for the ACCES 104-QUAD-8 2016-10-01 17:06:21 +01:00
sysfs-bus-iio-cros-ec iio: cros_ec_sensors_core: Add common functions for the ChromeOS EC Sensor Hub. 2016-10-25 18:20:05 +01:00
sysfs-bus-iio-dac-dpot-dac iio: dpot-dac: DAC driver based on a digital potentiometer 2016-11-13 13:07:15 +00:00
sysfs-bus-iio-frequency-ad9523
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sysfs-bus-iio-frequency-adf4350
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sysfs-bus-iio-gyro-bmg160
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sysfs-bus-iio-health-afe440x iio: health/afe440x: Make gain settings a modifier for the stages 2016-05-04 11:11:30 +01:00
sysfs-bus-iio-humidity-hdc100x iio: humidity: add HDC100x support 2015-09-23 20:23:19 +01:00
sysfs-bus-iio-ina2xx-adc iio: ina2xx: add ABI documentation entry sysfs-bus-iio-ina2xx-adc 2015-12-19 15:08:00 +00:00
sysfs-bus-iio-light-isl29018 staging: iio: isl29018: add ABI documentation for infrared suppression 2016-10-23 19:33:55 +01:00
sysfs-bus-iio-light-lm3533-als
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sysfs-bus-iio-light-tsl2583 staging: iio: tsl2583: move out of staging 2016-11-13 13:07:33 +00:00
sysfs-bus-iio-magnetometer-hmc5843 iio: hmc5843: Add ABI documentation file for hmc5843 2016-02-21 20:22:23 +00:00
sysfs-bus-iio-meas-spec Add ms8607 meas-spec driver support 2015-10-11 10:21:21 +01:00
sysfs-bus-iio-mpu6050
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sysfs-bus-iio-potentiometer-mcp4531 iio: mcp4531: provide range of available raw values 2016-11-13 11:40:26 +00:00
sysfs-bus-iio-proximity-as3935 iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output 2016-05-22 20:53:36 +01:00
sysfs-bus-iio-trigger-sysfs Documentation: iio-trig-sysfs: Add remove_trigger attribute ABI 2015-08-16 10:51:23 +01:00
sysfs-bus-iio-vf610 iio: dac: vf610_dac: Add IIO DAC driver for Vybrid SoC 2016-02-24 20:52:55 +00:00
sysfs-bus-intel_th-devices-gth intel_th: Add Global Trace Hub driver 2015-10-04 20:28:58 +01:00
sysfs-bus-intel_th-devices-msc intel_th: Add Memory Storage Unit driver 2015-10-04 20:28:58 +01:00
sysfs-bus-intel_th-devices-pti intel_th: Add PTI output driver 2015-10-04 20:28:58 +01:00
sysfs-bus-intel_th-output-devices intel_th: Add driver infrastructure for Intel(R) Trace Hub devices 2015-10-04 20:28:58 +01:00
sysfs-bus-mcb mcb: export bus information via sysfs 2016-05-03 15:07:35 -07:00
sysfs-bus-mdio
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sysfs-bus-media
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sysfs-bus-mei mei: bus: export client protocol version 2015-09-20 19:30:10 -07:00
sysfs-bus-pci PCI: Create revision file in sysfs 2016-11-21 16:25:32 -06:00
sysfs-bus-pci-devices-cciss
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sysfs-bus-pci-drivers-ehci_hcd
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sysfs-bus-pci-drivers-janz-cmodio can: janz-ican3: add documentation for existing sysfs entries 2015-05-06 08:03:19 +02:00
sysfs-bus-platform
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sysfs-bus-rbd rbd: add force close option 2016-08-24 23:49:17 +02:00
sysfs-bus-rpmsg
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sysfs-bus-umc
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sysfs-bus-usb usb: core: lpm: add sysfs node for usb3 lpm permit 2015-12-01 14:58:18 -08:00
sysfs-bus-usb-devices-usbsevseg
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sysfs-bus-usb-lvstest Pratyush Anand has moved 2015-06-25 17:00:38 -07:00
sysfs-bus-vfio-mdev docs: Sysfs ABI for mediated device framework 2016-11-17 09:18:43 -07:00
sysfs-c2port
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sysfs-cfq-target-latency
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sysfs-class
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sysfs-class-backlight-driver-adp8870
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sysfs-class-backlight-driver-lm3533
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sysfs-class-bdi
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sysfs-class-cxl cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
sysfs-class-devfreq
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sysfs-class-extcon
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sysfs-class-fpga-bridge add sysfs document for fpga bridge class 2016-11-10 17:03:35 +01:00
sysfs-class-fpga-manager fpga manager: add sysfs interface document 2015-10-07 18:07:20 +01:00
sysfs-class-infiniband IB/core: Add gid attributes to sysfs 2015-12-23 10:35:11 -05:00
sysfs-class-iommu
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sysfs-class-iommu-amd-iommu
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sysfs-class-iommu-intel-iommu
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sysfs-class-lcd
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sysfs-class-led cleanup LED documentation and make it match reality 2016-11-22 12:07:03 +01:00
sysfs-class-led-driver-lm3533
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sysfs-class-led-flash leds: flash: document sysfs interface 2015-03-09 17:16:28 -07:00
sysfs-class-led-trigger-oneshot Documentation: move oneshot trigger attributes documentation to ABI 2016-08-29 15:06:32 +02:00
sysfs-class-led-trigger-usbport usb: core: Introduce a USB port LED trigger 2016-09-27 12:20:17 +02:00
sysfs-class-leds-gt683r
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sysfs-class-mei mei: show the HBM protocol versions in the device attributes 2016-10-31 04:00:09 -06:00
sysfs-class-mic.txt Documentation: mic: fix kernel version 2016-08-30 14:45:50 +02:00
sysfs-class-mtd mtd: part: Add sysfs variable for offset of partition 2015-04-05 17:44:02 -07:00
sysfs-class-net bridge: change BR_GROUPFWD_RESTRICTED to allow forwarding of LLDP frames 2015-05-05 19:20:28 -04:00
sysfs-class-net-batman-adv batman-adv: update elp interval documentation 2016-06-30 10:29:43 +02:00
sysfs-class-net-cdc_ncm net: cdc_ncm: add "ndp_to_end" sysfs attribute 2015-12-06 22:52:18 -05:00
sysfs-class-net-grcan
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sysfs-class-net-janz-ican3 can: janz-ican3: add support for CAL/CANopen firmware 2015-05-06 08:03:20 +02:00
sysfs-class-net-mesh Doc: update email address 2015-12-16 00:21:40 +08:00
sysfs-class-net-qmi net: qmi_wwan: document the qmi/raw_ip sysfs file 2015-12-04 16:56:23 -05:00
sysfs-class-net-queues net: Add max rate tx queue attribute 2015-03-18 14:55:18 -04:00
sysfs-class-net-statistics
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sysfs-class-pktcdvd
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sysfs-class-power power: supply: Change Krzysztof Kozlowski's email to kernel.org 2016-08-17 14:15:58 +02:00
sysfs-class-power-twl4030 twl4030_charger: add ac/mode to match usb/mode 2015-08-05 05:21:57 +02:00
sysfs-class-powercap
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sysfs-class-pwm pwm: sysfs: Add PWM capture support 2016-06-10 16:01:40 +02:00
sysfs-class-rc
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sysfs-class-rc-nuvoton [media] media: rc: nuvoton: switch attribute wakeup_data to text 2016-03-05 08:22:03 -03:00
sysfs-class-regulator
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sysfs-class-remoteproc remoteproc: Add a sysfs interface for firmware and state 2016-10-31 17:24:46 -07:00
sysfs-class-rtc-rtc0-device-rtc_calibration ABI: rtc-ab8500: fix rtc_calibration documentation 2016-10-30 21:05:47 +01:00
sysfs-class-scsi_host
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sysfs-class-scsi_tape st: implement tape statistics 2015-06-02 08:03:25 -07:00
sysfs-class-stm stm class: Support devices that override software assigned masters 2016-05-03 14:59:30 -07:00
sysfs-class-stm_source stm class: Introduce an abstraction for System Trace Module devices 2015-10-04 20:28:58 +01:00
sysfs-class-uwb_rc
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sysfs-class-uwb_rc-wusbhc
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sysfs-class-watchdog watchdog: Read device status through sysfs attributes 2015-12-27 16:55:57 +01:00
sysfs-class-zram zram: add dynamic device add/remove functionality 2015-06-25 17:00:36 -07:00
sysfs-dev
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sysfs-devices
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sysfs-devices-deferred_probe driver core: Add deferred_probe attribute to devices in sysfs 2016-11-10 17:22:23 +01:00
sysfs-devices-edac
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sysfs-devices-firmware_node
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sysfs-devices-lpss_ltr
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sysfs-devices-memory
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sysfs-devices-mmc
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sysfs-devices-online
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sysfs-devices-platform-_UDC_-gadget
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sysfs-devices-platform-docg3
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sysfs-devices-platform-sh_mobile_lcdc_fb
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sysfs-devices-power
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sysfs-devices-power_resources_D0
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sysfs-devices-power_resources_D1
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sysfs-devices-power_resources_D2
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sysfs-devices-power_resources_D3hot
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sysfs-devices-power_resources_wakeup
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sysfs-devices-power_state
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sysfs-devices-real_power_state
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sysfs-devices-resource_in_use
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sysfs-devices-soc
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sysfs-devices-sun
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sysfs-devices-system-cpu Documentation, ABI: Document the new sysfs files for cpu cache ids 2016-10-26 23:12:37 +02:00
sysfs-devices-system-ibm-rtl Documentation/ABI: ibm_rtl: The "What:" fields are incomplete 2016-11-01 09:27:33 -07:00
sysfs-devices-system-xen_cpu
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sysfs-driver-genwqe
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sysfs-driver-hid HID: expose country code in sysfs 2015-02-23 16:17:32 +01:00
sysfs-driver-hid-corsair HID: corsair: Add Corsair Vengeance K90 driver 2015-09-30 21:28:10 +02:00
sysfs-driver-hid-lenovo
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sysfs-driver-hid-logitech-lg4ff HID: hid-logitech: Documentation updates/corrections 2016-09-26 15:39:56 +02:00
sysfs-driver-hid-multitouch
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sysfs-driver-hid-picolcd Documentation: fix common spelling mistakes 2016-04-28 07:51:59 -06:00
sysfs-driver-hid-prodikeys
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sysfs-driver-hid-roccat-kone
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sysfs-driver-hid-srws1
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sysfs-driver-hid-wiimote
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sysfs-driver-input-axp-pek Input: add driver for AXP20x Power Enable Key 2015-01-08 13:53:51 -08:00
sysfs-driver-intel-rapid-start
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sysfs-driver-pciback
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sysfs-driver-ppi tpm: update PPI documentation to address the location change. 2015-10-19 01:01:20 +02:00
sysfs-driver-samsung-laptop samsung-laptop: enable better lid handling 2015-02-06 18:33:55 -08:00
sysfs-driver-st st: allow debug output to be enabled or disabled via sysfs 2015-11-09 17:17:27 -08:00
sysfs-driver-tegra-fuse
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sysfs-driver-toshiba_acpi Documentation/ABI: Update sysfs-driver-toshiba_acpi file 2016-03-23 10:05:37 -07:00
sysfs-driver-toshiba_haps Documentation/ABI: Add file describing the sysfs entries for toshiba_haps 2015-05-11 10:38:23 -07:00
sysfs-driver-wacom HID: wacom: leds: use the ledclass instead of custom made sysfs files 2016-08-05 13:39:19 +02:00
sysfs-driver-xen-blkback
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sysfs-driver-xen-blkfront
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sysfs-firmware-acpi Documentation: fix common spelling mistakes 2016-04-28 07:51:59 -06:00
sysfs-firmware-dmi-entries Documentation: ABI: sysfs-firmware-dmi: add -entries suffix to file name 2015-06-25 09:06:57 +02:00
sysfs-firmware-dmi-tables firmware: dmi_scan: add SBMIOS entry and DMI tables 2015-06-25 09:06:56 +02:00
sysfs-firmware-efi efi: Add 'systab' information to Documentation/ABI 2015-05-27 15:40:20 +01:00
sysfs-firmware-efi-esrt efi: Add esrt support 2015-04-30 22:15:04 +01:00
sysfs-firmware-efi-runtime-map
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sysfs-firmware-gsmi
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sysfs-firmware-log
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sysfs-firmware-memmap
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sysfs-firmware-ofw
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sysfs-firmware-qemu_fw_cfg firmware: create directory hierarchy for sysfs fw_cfg entries 2016-02-09 17:37:39 -08:00
sysfs-firmware-sfi
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sysfs-firmware-sgi_uv
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sysfs-fs-ext4
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sysfs-fs-f2fs f2fs: introduce lifetime write IO statistics 2016-02-22 16:07:23 -08:00
sysfs-fs-nilfs2
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sysfs-fs-xfs
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sysfs-hypervisor-pmu xen/PMU: Sysfs interface for setting Xen PMU mode 2015-08-20 12:24:26 +01:00
sysfs-ibft ibft: Expose iBFT acpi header via sysfs 2016-05-16 11:14:29 -04:00
sysfs-kernel-boot_params
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sysfs-kernel-fscaps
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sysfs-kernel-iommu_groups
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sysfs-kernel-irq genirq: Expose interrupt information through sysfs 2016-09-14 15:28:15 +02:00
sysfs-kernel-livepatch livepatch: function,sympos scheme in livepatch sysfs directory 2015-12-03 23:01:27 +01:00
sysfs-kernel-mm
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sysfs-kernel-mm-hugepages
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sysfs-kernel-mm-ksm
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sysfs-kernel-slab docs: fix locations of several documents that got moved 2016-10-24 08:12:35 -02:00
sysfs-kernel-uids
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sysfs-kernel-vmcoreinfo
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sysfs-memory-page-offline
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sysfs-module
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sysfs-ocfs2
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sysfs-platform-asus-laptop
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sysfs-platform-asus-wmi
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sysfs-platform-at91
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sysfs-platform-brcmstb-gisb-arb
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sysfs-platform-chipidea-usb-otg
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sysfs-platform-dell-laptop platform: x86: dell-laptop: Add support for keyboard backlight 2015-04-07 20:57:32 -07:00
sysfs-platform-eeepc-laptop
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sysfs-platform-hidma dmaengine: qcom_hidma: add support for object hierarchy 2016-05-14 11:54:45 +05:30
sysfs-platform-hidma-mgmt dmaengine: add Qualcomm Technologies HIDMA management driver 2016-03-11 07:42:23 +05:30
sysfs-platform-i2c-demux-pinctrl i2c: mux: demux-pinctrl: Update docs to new sysfs-attributes 2016-04-07 21:13:02 +02:00
sysfs-platform-ideapad-laptop
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sysfs-platform-kim
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sysfs-platform-msi-laptop
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sysfs-platform-phy-rcar-gen3-usb2 phy: rcar-gen3-usb2: add sysfs for usb role swap 2016-11-18 18:19:15 +05:30
sysfs-platform-sst-atom ASoC: Intel: Add ASoC Intel SST Atom sysfs description 2016-12-05 17:22:27 +00:00
sysfs-platform-tahvo-usb
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sysfs-platform-ts5500
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sysfs-platform-twl4030-usb phy: twl4030-usb: add ABI documentation 2015-06-01 16:08:24 +05:30
sysfs-platform-usbip-vudc Documentation: ABI: Add doc for usbip-vudc attributes 2016-04-28 12:28:08 -07:00
sysfs-power PM / sleep: System sleep state selection interface rework 2016-11-21 22:45:40 +01:00
sysfs-pps
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sysfs-profiling
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sysfs-ptp Documentation: fix sysfs-ptp 2015-12-08 14:50:12 +01:00
sysfs-tty
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sysfs-wusb_cbaf
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