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/Documentation/devicetree/bindings/input/
Drotary-encoder.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/rotary-encoder.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
13 See Documentation/input/devices/rotary-encoder.rst for more information.
17 const: rotary-encoder
28 rotary-encoder,steps:
32 Number of steps in a full turnaround of the
36 rotary-encoder,relative-axis:
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/Documentation/input/devices/
Drotary-encoder.rst2 rotary-encoder - a generic driver for GPIO connected devices
8 --------
11 peripherals with two wires. The outputs are phase-shifted by 90 degrees
16 a stable state with both outputs high (half-period mode) and some have
17 a stable state in all steps (quarter-period mode).
33 |<-------->|
36 |<-->|
37 one step (half-period mode)
40 one step (quarter-period mode)
47 ----------------------
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/Documentation/trace/coresight/
Dcoresight-config.rst1 .. SPDX-License-Identifier: GPL-2.0
14 programming of the CoreSight system with pre-defined configurations that
17 Many CoreSight components can be programmed in complex ways - especially ETMs.
30 --------
41 accesses in the driver - the resource usage and parameter descriptions
67 system - which is described below.
74 --------------
82 enabled on a class of devices - i.e. any ETMv4, or specific devices, e.g. a
110 The following steps take place in the operation of a configuration.
118 perf record -e cs_etm/autofdo/ myapp
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/Documentation/RCU/Design/Requirements/
DRequirements.rst16 ------------
18 Read-copy update (RCU) is a synchronization mechanism that is often used
19 as a replacement for reader-writer locking. RCU is unusual in that
20 updaters do not block readers, which means that RCU's read-side
28 thought of as an informal, high-level specification for RCU. It is
40 #. `Fundamental Non-Requirements`_
42 #. `Quality-of-Implementation Requirements`_
44 #. `Software-Engineering Requirements`_
53 ------------------------
58 #. `Grace-Period Guarantee`_
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/Documentation/hwmon/
Dlm93.rst10 Addresses scanned: I2C 0x2c-0x2e
18 Addresses scanned: I2C 0x2c-0x2e
24 - Mark M. Hoffman <mhoffman@lightlink.com>
25 - Ported to 2.6 by Eric J. Bowersox <ericb@aspsys.com>
26 - Adapted to 2.6.20 by Carsten Emde <ce@osadl.org>
27 - Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
30 -----------------
33 Set to non-zero to force some initializations (default is 0).
38 Configures in7 and in8 limit type, where 0 means absolute and non-zero
54 --------------------
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/Documentation/filesystems/xfs/
Dxfs-delayed-logging-design.rst1 .. SPDX-License-Identifier: GPL-2.0
33 details logged are made up of the changes to in-core structures rather than
34 on-disk structures. Other objects - typically buffers - have their physical
64 place. This means that permanent transactions can be used for one-shot
65 modifications, but one-shot reservations cannot be used for permanent
68 In the code, a one-shot transaction pattern looks somewhat like this::
97 While this might look similar to a one-shot transaction, there is an important
123 the on-disk journal.
165 transaction, we have to reserve enough space to record a full leaf-to-root split
183 For one-shot transactions, a single unit space reservation is all that is
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Dxfs-online-fsck-design.rst1 .. SPDX-License-Identifier: GPL-2.0
8 Heading 3 uses "----"
25 - To help kernel distributors understand exactly what the XFS online fsck
28 - To help people reading the code to familiarize themselves with the relevant
31 - To help developers maintaining the system by capturing the reasons
59 - Provide a hierarchy of names through which application programs can associate
62 - Virtualize physical storage media across those names, and
64 - Retrieve the named data blobs at any time.
66 - Examine resource usage.
79 cross-references different types of metadata records with each other to look
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/Documentation/ABI/testing/
Dsysfs-bus-iio3 Contact: linux-iio@vger.kernel.org
11 Contact: linux-iio@vger.kernel.org
25 Contact: linux-iio@vger.kernel.org
31 Contact: linux-iio@vger.kernel.org
38 Contact: linux-iio@vger.kernel.org
44 The contents of the label are free-form, but there are some
51 * "proximity-wifi"
52 * "proximity-lte"
53 * "proximity-wifi-lte"
54 * "proximity-wifi-left"
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/Documentation/admin-guide/blockdev/
Dzram.rst2 zram: Compressed RAM-based block devices
8 The zram module creates RAM-based block devices named /dev/zram<id>
20 There are several ways to configure and manage zram device(-s):
23 b) using zramctl utility, provided by util-linux (util-linux@vger.kernel.org).
25 In this document we will describe only 'manual' zram configuration steps,
28 In order to get a better idea about zramctl please consult util-linux
29 documentation, zramctl man-page or `zramctl --help`. Please be informed
30 that zram maintainers do not develop/maintain util-linux or zramctl, should
31 you have any questions please contact util-linux@vger.kernel.org
33 Following shows a typical sequence of steps for using zram.
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/Documentation/admin-guide/
Dreporting-issues.rst1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
36 ensure it's vanilla (IOW: not patched and not using add-on modules). Also make
44 to pin-point the culprit with a bisection; if you succeed, include its
45 commit-id and CC everyone in the sign-off-by chain.
51 Step-by-step guide how to report issues to the kernel maintainers
58 step-by-step approach. It still tries to be brief for readability and leaves
59 out a lot of details; those are described below the step-by-step guide in a
60 reference section, which explains each of the steps in more detail.
65 something else. These steps thus help to ensure the time you invest in this
81 need special handling in some steps that are about to follow.
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Dcgroup-v2.rst1 .. _cgroup-v2:
11 conventions of cgroup v2. It describes all userland-visible aspects
14 v1 is available under :ref:`Documentation/admin-guide/cgroup-v1/index.rst <cgroup-v1>`.
19 1-1. Terminology
20 1-2. What is cgroup?
22 2-1. Mounting
23 2-2. Organizing Processes and Threads
24 2-2-1. Processes
25 2-2-2. Threads
26 2-3. [Un]populated Notification
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Dspkguide.txt16 Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
25 http://linux-speakup.org/. Speakup is a set of patches to the standard
72 acntsa -- Accent SA
73 acntpc -- Accent PC
74 apollo -- Apollo
75 audptr -- Audapter
76 bns -- Braille 'n Speak
77 dectlk -- DecTalk Express (old and new, db9 serial only)
78 decext -- DecTalk (old) External
79 dtlk -- DoubleTalk PC
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/Documentation/admin-guide/cgroup-v1/
Dcpusets.rst11 - Portions Copyright (c) 2004-2006 Silicon Graphics, Inc.
12 - Modified by Paul Jackson <pj@sgi.com>
13 - Modified by Christoph Lameter <cl@linux.com>
14 - Modified by Paul Menage <menage@google.com>
15 - Modified by Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
41 ----------------------
45 an on-line node that contains memory.
54 Documentation/admin-guide/cgroup-v1/cgroups.rst.
73 ----------------------------
77 non-uniform access times (NUMA) presents additional challenges for
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/Documentation/admin-guide/cifs/
Dusage.rst18 MS-SMB2 (for detailed SMB2/SMB3/SMB3.1.1 protocol specification)
36 (e.g. /usr/src/linux-2.5.73)
48 the modules directory e.g. /lib/modules/6.3.0-060300-generic/kernel/fs/smb/client/cifs.ko).
57 required, mount.cifs is recommended. Most distros include a ``cifs-utils``
63 found at cifs-utils.git on git.samba.org
122 mounts, unless umount is invoked with -i (which will avoid invoking a umount
166 disabled on a per-mount basis by specifying ``nouser_xattr`` on mount.
171 module. POSIX ACL support can be disabled on a per mount basic by specifying
184 (the few optional settings are passed in on mount via -o parameters instead).
191 ln -s /mnt/foo bar
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/Documentation/arch/m68k/
Dkernel-options.rst9 Author: Roman.Hodek@informatik.uni-erlangen.de (Roman Hodek)
11 Update: jds@kom.auc.dk (Jes Sorensen) and faq@linux-m68k.org (Chris Lawrence)
58 ----------
76 /dev/ram: -> 0x0100 (initial ramdisk)
77 /dev/hda: -> 0x0300 (first IDE disk)
78 /dev/hdb: -> 0x0340 (second IDE disk)
79 /dev/sda: -> 0x0800 (first SCSI disk)
80 /dev/sdb: -> 0x0810 (second SCSI disk)
81 /dev/sdc: -> 0x0820 (third SCSI disk)
82 /dev/sdd: -> 0x0830 (forth SCSI disk)
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/Documentation/scsi/
DChangeLog.megaraid_sas1 Release Date : Thu. Jun 19, 2014 17:00:00 PST 2014 -
2 (emaild-id:megaraidlinux@lsi.com)
7 Current Version : 06.803.02.00-rc1
8 Old Version : 06.803.01.00-rc1
14 -------------------------------------------------------------------------------
15 Release Date : Mon. Mar 10, 2014 17:00:00 PST 2014 -
16 (emaild-id:megaraidlinux@lsi.com)
20 Current Version : 06.803.01.00-rc1
21 Old Version : 06.700.06.00-rc1
25 4. Add Dell PowerEdge VRTX SR-IOV VF device support.
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/Documentation/process/
Dcoding-style.rst19 --------------
31 Now, some people will claim that having 8-character indentations makes
33 80-character terminal screen. The answer to that is that if you need
37 In short, 8-char indents make things easier to read, and have the added
43 instead of ``double-indenting`` the ``case`` labels. E.g.:
45 .. code-block:: c
67 .. code-block:: c
74 .. code-block:: c
81 .. code-block:: c
99 ----------------------------------
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/Documentation/networking/
Dbonding.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Corrections, HA extensions: 2000/10/03-15:
13 - Willy Tarreau <willy at meta-x.org>
14 - Constantine Gavrilov <const-g at xpert.com>
15 - Chad N. Tindel <ctindel at ieee dot org>
16 - Janice Girouard <girouard at us dot ibm dot com>
17 - Jay Vosburgh <fubar at us dot ibm dot com>
22 - Mitch Williams <mitch.a.williams at intel.com>
35 the original tools from extreme-linux and beowulf sites will not work
116 the following steps:
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/Documentation/virt/kvm/
Dapi.rst1 .. SPDX-License-Identifier: GPL-2.0
4 The Definitive KVM (Kernel-based Virtual Machine) API Documentation
13 - System ioctls: These query and set global attributes which affect the
17 - VM ioctls: These query and set attributes that affect an entire virtual
24 - vcpu ioctls: These query and set attributes that control the operation
32 - device ioctls: These query and set attributes that control the operation
80 facility that allows backward-compatible extensions to the API to be
104 the ioctl returns -ENOTTY.
122 -----------------------
139 -----------------
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