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Documentation: fix multiple typos found in the admin-guide subdirectory
Fix thirty five typos in dm-integrity.rst, dm-raid.rst, dm-zoned.rst, verity.rst, writecache.rst, tsx_async_abort.rst, md.rst, bttv.rst, dvb_references.rst, frontend-cardlist.rst, gspca-cardlist.rst, ipu3.rst, remote-controller.rst, mm/index.rst, numaperf.rst, userfaultfd.rst, module-signing.rst, imx-ddr.rst, intel-speed-select.rst, intel_pstate.rst, ramoops.rst, abi.rst, kernel.rst, vm.rst Signed-off-by: Andrew Klychkov <andrew.a.klychkov@gmail.com> Link: https://lore.kernel.org/r/20201204072848.GA49895@spblnx124.lan Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Andrew Klychkov
Jonathan Corbet
parent
b2105aa2c6
commit
751d5b2741
@ -117,7 +117,7 @@ journal_watermark:number
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commit_time:number
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Commit time in milliseconds. When this time passes, the journal is
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written. The journal is also written immediatelly if the FLUSH
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written. The journal is also written immediately if the FLUSH
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request is received.
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internal_hash:algorithm(:key) (the key is optional)
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@ -147,7 +147,7 @@ journal_crypt:algorithm(:key) (the key is optional)
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"salsa20" or "ctr(aes)").
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The journal contains history of last writes to the block device,
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an attacker reading the journal could see the last sector nubmers
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an attacker reading the journal could see the last sector numbers
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that were written. From the sector numbers, the attacker can infer
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the size of files that were written. To protect against this
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situation, you can encrypt the journal.
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@ -418,6 +418,6 @@ Version History
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specific devices are requested via rebuild. Fix RAID leg
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rebuild errors.
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1.15.0 Fix size extensions not being synchronized in case of new MD bitmap
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pages allocated; also fix those not occuring after previous reductions
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pages allocated; also fix those not occurring after previous reductions
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1.15.1 Fix argument count and arguments for rebuild/write_mostly/journal_(dev|mode)
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on the status line.
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@ -24,7 +24,7 @@ The dm-zoned implementation is simple and minimizes system overhead (CPU
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and memory usage as well as storage capacity loss). For a 10TB
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host-managed disk with 256 MB zones, dm-zoned memory usage per disk
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instance is at most 4.5 MB and as little as 5 zones will be used
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internally for storing metadata and performaing reclaim operations.
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internally for storing metadata and performing reclaim operations.
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dm-zoned target devices are formatted and checked using the dmzadm
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utility available at:
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@ -102,7 +102,7 @@ the buffer zone assigned. If the accessed chunk has no mapping, or the
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accessed blocks are invalid, the read buffer is zeroed and the read
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operation terminated.
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After some time, the limited number of convnetional zones available may
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After some time, the limited number of conventional zones available may
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be exhausted (all used to map chunks or buffer sequential zones) and
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unaligned writes to unbuffered chunks become impossible. To avoid this
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situation, a reclaim process regularly scans used conventional zones and
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@ -158,7 +158,7 @@ Ex::
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dmzadm --format /dev/sdxx /dev/sdyy
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Fomatted device(s) can be started with the dmzadm utility, too.:
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Formatted device(s) can be started with the dmzadm utility, too.:
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Ex::
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@ -69,7 +69,7 @@ Construction Parameters
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<#opt_params>
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Number of optional parameters. If there are no optional parameters,
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the optional paramaters section can be skipped or #opt_params can be zero.
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the optional parameters section can be skipped or #opt_params can be zero.
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Otherwise #opt_params is the number of following arguments.
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Example of optional parameters section:
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@ -37,10 +37,10 @@ Constructor parameters:
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autocommit_blocks n (default: 64 for pmem, 65536 for ssd)
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when the application writes this amount of blocks without
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issuing the FLUSH request, the blocks are automatically
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commited
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committed
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autocommit_time ms (default: 1000)
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autocommit time in milliseconds. The data is automatically
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commited if this time passes and no FLUSH request is
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committed if this time passes and no FLUSH request is
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received
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fua (by default on)
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applicable only to persistent memory - use the FUA flag
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@ -60,7 +60,7 @@ Hyper-Thread attacks are possible.
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The victim of a malicious actor does not need to make use of TSX. Only the
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attacker needs to begin a TSX transaction and raise an asynchronous abort
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which in turn potenitally leaks data stored in the buffers.
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which in turn potentially leaks data stored in the buffers.
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More detailed technical information is available in the TAA specific x86
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architecture section: :ref:`Documentation/x86/tsx_async_abort.rst <tsx_async_abort>`.
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@ -221,7 +221,7 @@ All md devices contain:
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layout
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The ``layout`` for the array for the particular level. This is
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simply a number that is interpretted differently by different
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simply a number that is interpreted differently by different
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levels. It can be written while assembling an array.
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array_size
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@ -77,7 +77,7 @@ the Subsystem ID in the second line, looks like this:
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only bt878-based cards can have a subsystem ID (which does not mean
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that every card really has one). bt848 cards can't have a Subsystem
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ID and therefore can't be autodetected. There is a list with the ID's
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at :doc:`bttv-cardlist` (in case you are intrested or want to mail
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at :doc:`bttv-cardlist` (in case you are interested or want to mail
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patches with updates).
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@ -10,7 +10,7 @@ The DVB mailing list linux-dvb is hosted at vger. Please see
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http://vger.kernel.org/vger-lists.html#linux-media for details.
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There are also some other old lists hosted at:
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https://linuxtv.org/lists.php. If you're insterested on that for historic
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https://linuxtv.org/lists.php. If you're interested on that for historic
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reasons, please check the archive at https://linuxtv.org/pipermail/linux-dvb/.
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The media subsystem Wiki is hosted at https://linuxtv.org/wiki/.
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@ -68,7 +68,7 @@ cx24116 Conexant CX24116 based
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cx24117 Conexant CX24117 based
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cx24120 Conexant CX24120 based
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cx24123 Conexant CX24123 based
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ds3000 Montage Tehnology DS3000 based
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ds3000 Montage Technology DS3000 based
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mb86a16 Fujitsu MB86A16 based
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mt312 Zarlink VP310/MT312/ZL10313 based
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s5h1420 Samsung S5H1420 based
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@ -83,7 +83,7 @@ tda10086 Philips TDA10086 based
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tda8083 Philips TDA8083 based
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tda8261 Philips TDA8261 based
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tda826x Philips TDA826X silicon tuner
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ts2020 Montage Tehnology TS2020 based tuners
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ts2020 Montage Technology TS2020 based tuners
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tua6100 Infineon TUA6100 PLL
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cx24113 Conexant CX24113/CX24128 tuner for DVB-S/DSS
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itd1000 Integrant ITD1000 Zero IF tuner for DVB-S/DSS
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@ -305,7 +305,7 @@ pac7302 093a:2625 Genius iSlim 310
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pac7302 093a:2626 Labtec 2200
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pac7302 093a:2627 Genius FaceCam 300
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pac7302 093a:2628 Genius iLook 300
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pac7302 093a:2629 Genious iSlim 300
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pac7302 093a:2629 Genius iSlim 300
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pac7302 093a:262a Webcam 300k
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pac7302 093a:262c Philips SPC 230 NC
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jl2005bcd 0979:0227 Various brands, 19 known cameras supported
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@ -86,7 +86,7 @@ raw Bayer format that is specific to IPU3.
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Let us take the example of ov5670 sensor connected to CSI2 port 0, for a
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2592x1944 image capture.
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Using the media contorller APIs, the ov5670 sensor is configured to send
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Using the media controller APIs, the ov5670 sensor is configured to send
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frames in packed raw Bayer format to IPU3 CSI2 receiver.
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.. code-block:: none
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@ -313,8 +313,8 @@ configuration steps of 0.03125 (1/32).
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**Geometric Distortion Correction**
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Geometric Distortion Correction is used to performe correction of distortions
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and image filtering. It needs some extra filter and envelop padding pixels to
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Geometric Distortion Correction is used to perform correction of distortions
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and image filtering. It needs some extra filter and envelope padding pixels to
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work, so the input resolution of GDC should be larger than the output
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resolution.
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@ -68,7 +68,7 @@ Using without lircd
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Xorg recognizes several IR keycodes that have its numerical value lower
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than 247. With the advent of Wayland, the input driver got updated too,
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and should now accept all keycodes. Yet, you may want to just reasign
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and should now accept all keycodes. Yet, you may want to just reassign
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the keycodes to something that your favorite media application likes.
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This can be done by setting
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@ -3,9 +3,9 @@ Memory Management
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=================
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Linux memory management subsystem is responsible, as the name implies,
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for managing the memory in the system. This includes implemnetation of
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for managing the memory in the system. This includes implementation of
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virtual memory and demand paging, memory allocation both for kernel
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internal structures and user space programms, mapping of files into
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internal structures and user space programs, mapping of files into
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processes address space and many other cool things.
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Linux memory management is a complex system with many configurable
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@ -74,7 +74,7 @@ memory node's access class 0 initiators as follows::
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/sys/devices/system/node/nodeY/access0/initiators/
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These attributes apply only when accessed from nodes that have the
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are linked under the this access's inititiators.
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are linked under the this access's initiators.
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The performance characteristics the kernel provides for the local initiators
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are exported are as follows::
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@ -114,7 +114,7 @@ Notes:
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you must provide some kind of page in your thread after reading from
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the uffd. You must provide either ``UFFDIO_COPY`` or ``UFFDIO_ZEROPAGE``.
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The normal behavior of the OS automatically providing a zero page on
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an annonymous mmaping is not in place.
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an anonymous mmaping is not in place.
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- None of the page-delivering ioctls default to the range that you
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registered with. You must fill in all fields for the appropriate
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@ -106,7 +106,7 @@ This has a number of options available:
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certificate and a private key.
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If the PEM file containing the private key is encrypted, or if the
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PKCS#11 token requries a PIN, this can be provided at build time by
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PKCS#11 token requires a PIN, this can be provided at build time by
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means of the ``KBUILD_SIGN_PIN`` variable.
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@ -4,7 +4,7 @@ Freescale i.MX8 DDR Performance Monitoring Unit (PMU)
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There are no performance counters inside the DRAM controller, so performance
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signals are brought out to the edge of the controller where a set of 4 x 32 bit
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counters is implemented. This is controlled by the CSV modes programed in counter
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counters is implemented. This is controlled by the CSV modes programmed in counter
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control register which causes a large number of PERF signals to be generated.
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Selection of the value for each counter is done via the config registers. There
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@ -57,7 +57,7 @@ To get help on a command, another level of help is provided. For example for the
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Summary of platform capability
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------------------------------
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To check the current platform and driver capaibilities, execute::
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To check the current platform and driver capabilities, execute::
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#intel-speed-select --info
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@ -658,7 +658,7 @@ If -a option is not used, then the following steps are required before enabling
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Intel(R) SST-BF:
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- Discover Intel(R) SST-BF and note low and high priority base frequency
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- Note the high prioity CPU list
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- Note the high priority CPU list
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- Enable CLOS using core-power feature set
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- Configure CLOS parameters. Use CLOS.min to set to minimum performance
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- Subscribe desired CPUs to CLOS groups
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@ -56,7 +56,7 @@ Operation Modes
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``intel_pstate`` can operate in two different modes, active or passive. In the
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active mode, it uses its own internal performance scaling governor algorithm or
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allows the hardware to do preformance scaling by itself, while in the passive
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allows the hardware to do performance scaling by itself, while in the passive
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mode it responds to requests made by a generic ``CPUFreq`` governor implementing
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a certain performance scaling algorithm. Which of them will be in effect
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depends on what kernel command line options are used and on the capabilities of
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@ -380,13 +380,13 @@ argument is passed to the kernel in the command line.
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``no_turbo``
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If set (equal to 1), the driver is not allowed to set any turbo P-states
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(see `Turbo P-states Support`_). If unset (equalt to 0, which is the
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(see `Turbo P-states Support`_). If unset (equal to 0, which is the
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default), turbo P-states can be set by the driver.
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[Note that ``intel_pstate`` does not support the general ``boost``
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attribute (supported by some other scaling drivers) which is replaced
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by this one.]
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This attrubute does not affect the maximum supported frequency value
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This attribute does not affect the maximum supported frequency value
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supplied to the ``CPUFreq`` core and exposed via the policy interface,
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but it affects the maximum possible value of per-policy P-state limits
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(see `Interpretation of Policy Attributes`_ below for details).
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@ -22,7 +22,7 @@ and type of the memory area are set using three variables:
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* ``mem_address`` for the start
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* ``mem_size`` for the size. The memory size will be rounded down to a
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power of two.
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* ``mem_type`` to specifiy if the memory type (default is pgprot_writecombine).
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* ``mem_type`` to specify if the memory type (default is pgprot_writecombine).
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Typically the default value of ``mem_type=0`` should be used as that sets the pstore
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mapping to pgprot_writecombine. Setting ``mem_type=1`` attempts to use
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@ -28,7 +28,7 @@ vsyscall32 (x86)
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Determines whether the kernels maps a vDSO page into 32-bit processes;
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can be set to 1 to enable, or 0 to disable. Defaults to enabled if
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``CONFIG_COMPAT_VDSO`` is set, disabled otherwide.
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``CONFIG_COMPAT_VDSO`` is set, disabled otherwise.
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This controls the same setting as the ``vdso32`` kernel boot
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parameter.
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@ -879,7 +879,7 @@ The default value is 127.
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perf_event_mlock_kb
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===================
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Control size of per-cpu ring buffer not counted agains mlock limit.
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Control size of per-cpu ring buffer not counted against mlock limit.
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The default value is 512 + 1 page
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@ -146,7 +146,7 @@ This should be used on systems where stalls for minor page faults are an
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acceptable trade for large contiguous free memory. Set to 0 to prevent
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compaction from moving pages that are unevictable. Default value is 1.
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On CONFIG_PREEMPT_RT the default value is 0 in order to avoid a page fault, due
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to compaction, which would block the task from becomming active until the fault
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to compaction, which would block the task from becoming active until the fault
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is resolved.
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