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Merge tag 'v4.14-rc2' into patchwork
Linux 4.14-rc2 * tag 'v4.14-rc2': (12066 commits) Linux 4.14-rc2 tpm: ibmvtpm: simplify crq initialization and document crq format tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers Documentation: tpm: add powered-while-suspended binding documentation tpm: tpm_crb: constify acpi_device_id. tpm: vtpm: constify vio_device_id security: fix description of values returned by cap_inode_need_killpriv x86/asm: Fix inline asm call constraints for Clang objtool: Handle another GCC stack pointer adjustment bug inet: fix improper empty comparison net: use inet6_rcv_saddr to compare sockets net: set tb->fast_sk_family net: orphan frags on stand-alone ptype in dev_queue_xmit_nit MAINTAINERS: update git tree locations for ieee802154 subsystem SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags SMB3: handle new statx fields arch: remove unused *_segments() macros/functions parisc: Unbreak bootloader due to gcc-7 optimizations parisc: Reintroduce option to gzip-compress the kernel apparmor: fix apparmorfs DAC access permissions ...
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‎CREDITS

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@@ -2090,7 +2090,7 @@ S: Kuala Lumpur, Malaysia
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N: Mohit Kumar
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D: ST Microelectronics SPEAr13xx PCI host bridge driver
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D: Synopsys Designware PCI host bridge driver
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D: Synopsys DesignWare PCI host bridge driver
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N: Gabor Kuti
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E: [email protected]
@@ -2606,11 +2606,9 @@ E: [email protected]
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D: bug fixes, documentation, minor hackery
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N: Paul Moore
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E: [email protected]
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D: NetLabel author
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S: Hewlett-Packard
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S: 110 Spit Brook Road
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S: Nashua, NH 03062
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E: [email protected]
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W: http://www.paul-moore.com
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D: NetLabel, SELinux, audit
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N: James Morris
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E: [email protected]

‎Documentation/ABI/stable/sysfs-bus-nvmem

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What: /sys/bus/nvmem/devices/.../nvmem
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Date: July 2015
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KernelVersion: 4.2
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Contact: Srinivas Kandagatla <[email protected]>
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Description:
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This file allows user to read/write the raw NVMEM contents.
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Permissions for write to this file depends on the nvmem
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provider configuration.
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ex:
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hexdump /sys/bus/nvmem/devices/qfprom0/nvmem
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0000000 0000 0000 0000 0000 0000 0000 0000 0000
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*
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00000a0 db10 2240 0000 e000 0c00 0c00 0000 0c00
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0000000 0000 0000 0000 0000 0000 0000 0000 0000
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...
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*
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0001000

‎Documentation/ABI/stable/sysfs-driver-dma-ioatdma

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What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/cap
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: [email protected]
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Description: Capabilities the DMA supports.Currently there are DMA_PQ, DMA_PQ_VAL,
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DMA_XOR,DMA_XOR_VAL,DMA_INTERRUPT.
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What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_active
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: [email protected]
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Description: The number of descriptors active in the ring.
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What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/ring_size
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: [email protected]
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Description: Descriptor ring size, total number of descriptors available.
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What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/version
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Date: December 3, 2009
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KernelVersion: 2.6.32
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Contact: [email protected]
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Description: Version of ioatdma device.
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What: sys/devices/pciXXXX:XX/0000:XX:XX.X/dma/dma<n>chan<n>/quickdata/intr_coalesce
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Date: August 8, 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: Tune-able interrupt delay value per channel basis.

‎Documentation/ABI/testing/configfs-usb-gadget-rndis

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Ethernet over USB link
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dev_addr - MAC address of device's end of this
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Ethernet over USB link
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class - USB interface class, default is 02 (hex)
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subclass - USB interface subclass, default is 06 (hex)
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protocol - USB interface protocol, default is 00 (hex)

‎Documentation/ABI/testing/ppc-memtrace

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What: /sys/kernel/debug/powerpc/memtrace
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: This folder contains the relevant debugfs files for the
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hardware trace macro to use. CONFIG_PPC64_HARDWARE_TRACING
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must be set.
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What: /sys/kernel/debug/powerpc/memtrace/enable
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: Write an integer containing the size in bytes of the memory
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you want removed from each NUMA node to this file - it must be
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aligned to the memblock size. This amount of RAM will be removed
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from the kernel mappings and the following debugfs files will be
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created. This can only be successfully done once per boot. Once
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memory is successfully removed from each node, the following
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files are created.
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What: /sys/kernel/debug/powerpc/memtrace/<node-id>
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: This directory contains information about the removed memory
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from the specific NUMA node.
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What: /sys/kernel/debug/powerpc/memtrace/<node-id>/size
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: This contains the size of the memory removed from the node.
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What: /sys/kernel/debug/powerpc/memtrace/<node-id>/start
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: This contains the start address of the removed memory.
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What: /sys/kernel/debug/powerpc/memtrace/<node-id>/trace
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Date: Aug 2017
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KernelVersion: 4.14
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Contact: [email protected]
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Description: This is where the hardware trace macro will output the trace
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it generates.

‎Documentation/ABI/testing/procfs-smaps_rollup

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What: /proc/pid/smaps_rollup
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Date: August 2017
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Contact: Daniel Colascione <[email protected]>
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Description:
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This file provides pre-summed memory information for a
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process. The format is identical to /proc/pid/smaps,
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except instead of an entry for each VMA in a process,
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smaps_rollup has a single entry (tagged "[rollup]")
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for which each field is the sum of the corresponding
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fields from all the maps in /proc/pid/smaps.
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For more details, see the procfs man page.
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Typical output looks like this:
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00100000-ff709000 ---p 00000000 00:00 0 [rollup]
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Rss: 884 kB
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Pss: 385 kB
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Shared_Clean: 696 kB
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Shared_Dirty: 0 kB
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Private_Clean: 120 kB
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Private_Dirty: 68 kB
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Referenced: 884 kB
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Anonymous: 68 kB
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LazyFree: 0 kB
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AnonHugePages: 0 kB
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ShmemPmdMapped: 0 kB
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Shared_Hugetlb: 0 kB
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Private_Hugetlb: 0 kB
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Swap: 0 kB
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SwapPss: 0 kB
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Locked: 385 kB

‎Documentation/ABI/testing/sysfs-block-zram

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device's debugging info useful for kernel developers. Its
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format is not documented intentionally and may change
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anytime without any notice.
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What: /sys/block/zram<id>/backing_dev
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Date: June 2017
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Contact: Minchan Kim <[email protected]>
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Description:
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The backing_dev file is read-write and set up backing
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device for zram to write incompressible pages.
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For using, user should enable CONFIG_ZRAM_WRITEBACK.

‎Documentation/ABI/testing/sysfs-bus-iio

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unique to allow association with event codes. Units after
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application of scale and offset are milliamps.
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What: /sys/bus/iio/devices/iio:deviceX/in_powerY_raw
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KernelVersion: 4.5
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Contact: [email protected]
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Description:
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Raw (unscaled no bias removal etc.) power measurement from
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channel Y. The number must always be specified and
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unique to allow association with event codes. Units after
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application of scale and offset are milliwatts.
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What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw
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KernelVersion: 3.2
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Contact: [email protected]

‎Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32

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What: /sys/bus/iio/devices/iio:deviceX/in_count0_preset
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KernelVersion: 4.13
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Contact: [email protected]
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Description:
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Reading returns the current preset value. Writing sets the
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preset value. Encoder counts continuously from 0 to preset
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value, depending on direction (up/down).
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What: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available
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KernelVersion: 4.13
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Contact: [email protected]
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Description:
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Reading returns the list possible quadrature modes.
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What: /sys/bus/iio/devices/iio:deviceX/in_count0_quadrature_mode
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KernelVersion: 4.13
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Contact: [email protected]
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Description:
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Configure the device counter quadrature modes:
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- non-quadrature:
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Encoder IN1 input servers as the count input (up
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direction).
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- quadrature:
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Encoder IN1 and IN2 inputs are mixed to get direction
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and count.
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What: /sys/bus/iio/devices/iio:deviceX/in_count_polarity_available
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KernelVersion: 4.13
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Contact: [email protected]
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Description:
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Reading returns the list possible active edges.
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What: /sys/bus/iio/devices/iio:deviceX/in_count0_polarity
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KernelVersion: 4.13
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Contact: [email protected]
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Description:
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Configure the device encoder/counter active edge:
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- rising-edge
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- falling-edge
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- both-edges
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In non-quadrature mode, device counts up on active edge.
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In quadrature mode, encoder counting scenarios are as follows:
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----------------------------------------------------------------
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| Active | Level on | IN1 signal | IN2 signal |
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| edge | opposite |------------------------------------------
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| | signal | Rising | Falling | Rising | Falling |
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----------------------------------------------------------------
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| Rising | High -> | Down | - | Up | - |
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| edge | Low -> | Up | - | Down | - |
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----------------------------------------------------------------
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| Falling | High -> | - | Up | - | Down |
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| edge | Low -> | - | Down | - | Up |
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----------------------------------------------------------------
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| Both | High -> | Down | Up | Up | Down |
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| edges | Low -> | Up | Down | Down | Up |
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----------------------------------------------------------------

‎Documentation/ABI/testing/sysfs-bus-thunderbolt

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Description: When a devices supports Thunderbolt secure connect it will
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have this attribute. Writing 32 byte hex string changes
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authorization to use the secure connection method instead.
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Writing an empty string clears the key and regular connection
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method can be used again.
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What: /sys/bus/thunderbolt/devices/.../device
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Date: Sep 2017

‎Documentation/ABI/testing/sysfs-bus-usb-lvstest

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Description:
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Write to this node to issue "U3 exit" for Link Layer
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Validation device. It is needed for TD.7.36.
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What: /sys/bus/usb/devices/.../enable_compliance
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Date: July 2017
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Description:
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Write to this node to set the port to compliance mode to test
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with Link Layer Validation device. It is needed for TD.7.34.
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What: /sys/bus/usb/devices/.../warm_reset
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Date: July 2017
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Description:
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Write to this node to issue "Warm Reset" for Link Layer Validation
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device. It may be needed to properly reset an xHCI 1.1 host port if
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compliance mode needed to be explicitly enabled.

‎Documentation/ABI/testing/sysfs-driver-altera-cvp

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What: /sys/bus/pci/drivers/altera-cvp/chkcfg
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Date: May 2017
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Kernel Version: 4.13
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Contact: Anatolij Gustschin <[email protected]>
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Description:
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Contains either 1 or 0 and controls if configuration
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error checking in altera-cvp driver is turned on or
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off.

‎Documentation/ABI/testing/sysfs-firmware-opal-powercap

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What: /sys/firmware/opal/powercap
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Date: August 2017
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Contact: Linux for PowerPC mailing list <[email protected]>
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Description: Powercap directory for Powernv (P8, P9) servers
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Each folder in this directory contains a
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power-cappable component.
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What: /sys/firmware/opal/powercap/system-powercap
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/sys/firmware/opal/powercap/system-powercap/powercap-min
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/sys/firmware/opal/powercap/system-powercap/powercap-max
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/sys/firmware/opal/powercap/system-powercap/powercap-current
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Date: August 2017
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Contact: Linux for PowerPC mailing list <[email protected]>
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Description: System powercap directory and attributes applicable for
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Powernv (P8, P9) servers
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This directory provides powercap information. It
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contains below sysfs attributes:
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- powercap-min : This file provides the minimum
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possible powercap in Watt units
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- powercap-max : This file provides the maximum
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possible powercap in Watt units
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- powercap-current : This file provides the current
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powercap set on the system. Writing to this file
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creates a request for setting a new-powercap. The
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powercap requested must be between powercap-min
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and powercap-max.

‎Documentation/ABI/testing/sysfs-firmware-opal-psr

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What: /sys/firmware/opal/psr
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Date: August 2017
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Contact: Linux for PowerPC mailing list <[email protected]>
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Description: Power-Shift-Ratio directory for Powernv P9 servers
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Power-Shift-Ratio allows to provide hints the firmware
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to shift/throttle power between different entities in
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the system. Each attribute in this directory indicates
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a settable PSR.
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What: /sys/firmware/opal/psr/cpu_to_gpu_X
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Date: August 2017
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Contact: Linux for PowerPC mailing list <[email protected]>
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Description: PSR sysfs attributes for Powernv P9 servers
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Power-Shift-Ratio between CPU and GPU for a given chip
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with chip-id X. This file gives the ratio (0-100)
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which is used by OCC for power-capping.

‎Documentation/ABI/testing/sysfs-fs-f2fs

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Description:
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Controls the issue rate of small discard commands.
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What: /sys/fs/f2fs/<disk>/discard_granularity
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Date: July 2017
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Contact: "Chao Yu" <[email protected]>
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Description:
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Controls discard granularity of inner discard thread, inner thread
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will not issue discards with size that is smaller than granularity.
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The unit size is one block, now only support configuring in range
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of [1, 512].
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What: /sys/fs/f2fs/<disk>/max_victim_search
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Date: January 2014
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Contact: "Jaegeuk Kim" <[email protected]>
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Contact: "Chao Yu" <[email protected]>
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Description:
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Controls current reserved blocks in system.
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What: /sys/fs/f2fs/<disk>/gc_urgent
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Date: August 2017
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Contact: "Jaegeuk Kim" <[email protected]>
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Description:
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Do background GC agressively
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What: /sys/fs/f2fs/<disk>/gc_urgent_sleep_time
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Date: August 2017
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Contact: "Jaegeuk Kim" <[email protected]>
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Description:
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Controls sleep time of GC urgent mode

‎Documentation/ABI/testing/sysfs-kernel-mm-swap

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What: /sys/kernel/mm/swap/
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Date: August 2017
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Contact: Linux memory management mailing list <[email protected]>
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Description: Interface for swapping
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What: /sys/kernel/mm/swap/vma_ra_enabled
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Date: August 2017
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Contact: Linux memory management mailing list <[email protected]>
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Description: Enable/disable VMA based swap readahead.
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If set to true, the VMA based swap readahead algorithm
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will be used for swappable anonymous pages mapped in a
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VMA, and the global swap readahead algorithm will be
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still used for tmpfs etc. other users. If set to
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false, the global swap readahead algorithm will be
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used for all swappable pages.
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What: /sys/kernel/mm/swap/vma_ra_max_order
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Date: August 2017
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Contact: Linux memory management mailing list <[email protected]>
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Description: The max readahead size in order for VMA based swap readahead
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VMA based swap readahead algorithm will readahead at
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most 1 << max_order pages for each readahead. The
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real readahead size for each readahead will be scaled
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according to the estimation algorithm.

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