| /Documentation/kbuild/ |
| D | Kconfig.recursion-issue-01 | 16 # that are possible for CORE. So for example if CORE_BELL_A_ADVANCED is 'y',
22 # CORE_BELL_A so naturally it depends on CORE_BELL_A. So if CORE_BELL_A is 'y'
27 # CORE_BELL_A depends on CORE, so CORE influences CORE_BELL_A.
40 # so trivial to resolve, we provide another example below of practical
41 # implications of this recursive issue where the solution is perhaps not so
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| /Documentation/sound/cards/ |
| D | hdspm.rst | 5 (translated from German, so no good English ;-),
26 allocated. So also the throughput of the PCI system can be
34 all 64 channels are available for the mixer, so channel count
43 so channel count for the driver
52 so channel count for the driver
75 64 Byte accurate. SO it is not really usable for the
84 large never to small. So if you subtract 64 you always have a
100 (especially graphic) ALSA-Mixer GUIs. So Mixer control has be
107 one, I decided to export the hardware structure, so that of
134 a studio should have working synchronisations setup. So use
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| /Documentation/filesystems/ |
| D | journalling.rst | 16 journal_t is a typedef for a struct pointer, so when you are finally
41 so it knows what the modifications you are actually making are. To do
45 which indicates the end of a transaction are nestable calls, so you can
60 buffer, and once you are have done so you need to call
77 perform, so that the journalling system isn't re-entered on another
85 for transactions to complete and be committed from other tasks, so
86 essentially we are waiting for jbd2_journal_stop(). So to avoid
91 behaviour to jbd2_journal_start() so you can deadlock here just as
111 so that you can do some of your own management. You ask the journalling
149 gets permission from JBD2 to do so by calling the function
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| D | path-lookup.txt | 10 child with the next element, and so on.
26 dentry that was looked up, so that may be used as the basis for walking the
31 (usually, the root "/" or current working directory). So contention on these
35 (including dcache look-up) completely "store-free" (so, no locks, atomics, or
84 The hash lists are RCU protected, so list walking is not serialised with
95 read-only protection and no durability of results, so care must be taken when
110 it in the new hash bucket. So what is done is to insert the dentry into the
120 dentry. So a seqlock is used to detect when a rename has occurred, and so the
144 pointers intact, so a concurrent list walker that is currently looking at
167 find either 'A' or 'B'. So if a lookup of 'A' returns NULL, a subsequent lookup
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| D | hpfs.rst | 42 danger. I tried to write it so that it won't crash if check=normal on
49 When to mark filesystem dirty so that OS/2 checks it.
64 are case sensitive, so for example when you create a file FOO, you can use
70 OS/2 ignores dots and spaces at the end of file name, so this driver does as
81 variable length. OS/2 stores window and icon positions and file types there. So
108 stored in very crazy way. They tried to do it so that link changes when file is
119 America where people don't care much about codepages and so multiple codepages
137 So this driver simply uses first codepage it finds for uppercasing and
163 the old one so the new name doesn't fit in directory node (dnode). And that
167 You encounter this problem only if you have many directories so that
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| /Documentation/trace/ |
| D | tracepoint-analysis.rst | 215 - When receiving an event about a PID, it can record who the parent was so
250 6.85% hackbench /lib/i686/cmov/libc-2.9.so
251 2.62% hackbench /lib/ld-2.9.so
255 0.02% perf /lib/i686/cmov/libc-2.9.so
257 0.01% perf /lib/ld-2.9.so
258 0.00% hackbench /lib/i686/cmov/libpthread-2.9.so
264 within the VDSO. With simple binaries, this will often be the case so let's
266 noticed that X was generating an insane amount of page allocations so let's look
285 47.95% Xorg /opt/gfx-test/lib/libpixman-1.so.0.13.1
286 0.09% Xorg /lib/i686/cmov/libc-2.9.so
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| /Documentation/usb/ |
| D | iuu_phoenix.rst | 13 This driver is still in beta stage, so bugs can
16 guru, so don't blame me if your system is unstable
71 so sad to have a nice device like the iuu without seeing all color range available.
72 So I have added this option to permit him to see a lot of color ( each activity change the color
82 is an abstraction, so use any speed or parity setting will
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| D | authorization.rst | 44 Imagine you want to implement a lockdown so only devices of type XYZ
81 # Other stuff so others can use it
89 verification stuff with PKI, so you don't depend on a shared secret,
121 So all interfaces would authorized per default.
124 If a deauthorized interface will be authorized so the driver probing must
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| /Documentation/admin-guide/ |
| D | rtc.rst | 6 something that tracks wall clock time and is battery backed so that it
20 so it's not very portable to non-x86 systems.
30 IRQ, so they can't all issue alarms; and where standard PC RTCs can
49 are reported by interrupt number 8. (Oh! So *that* is what IRQ 8 is
63 built in locking so that only one process is allowed to have the /dev/rtc
74 there has been any interrupt "pileup" so to speak. Just for reference, a
77 frequencies above 1024Hz. So you really should check the high bytes
92 interrupts, so be aware of this if you are doing serious work. If you
99 Rather than write 50 pages describing the ioctl() and so on, it is
|
| /Documentation/hwmon/ |
| D | w83l785ts.rst | 25 of external resistors, so the user cannot change it. Values seen so
44 there is no old value). It seems to work well enough so that you should
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| /Documentation/userspace-api/media/v4l/ |
| D | pixfmt-intro.rst | 22 Even so, ultimately, some standard formats are needed, so the V4L2
30 immediately to its right, and so on until the end of the top row of
34 leftmost pixel of the second row from the top, and so on. The last row
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| /Documentation/driver-api/media/ |
| D | v4l2-event.rst | 11 ``id`` field. If unused, then the ``id`` is 0. So an event is uniquely
26 So every ``(type, ID)`` event tuple will have its own
36 list of the :c:type:`v4l2_fh` struct so :ref:`VIDIOC_DQEVENT` will
41 so that an event can be raised by that object. So the ``node`` field can
45 So to summarize:
55 struct v4l2_subscribed_event so it knows who subscribed an
79 these callbacks can be called from interrupt context, so they must
166 The first event type in the class is reserved for future use, so the first
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| /Documentation/process/ |
| D | management-style.rst | 13 simple coding style rules, so this document may or may not have anything
26 .. [#f1] This document does so not so much by answering the question, but by
45 manage had better know the details better than you, so if they come to
54 So the name of the game is to **avoid** decisions, at least the big and
56 makes you look like you know what you're doing, so what a kernel manager
126 answer may end up being that both teams get so frustrated by the
171 - spread the "love" out so evenly that nobody really ends up feeling
176 trust somebody who is so clearly hiding their true character.
200 So when you find somebody smarter than you are, just coast along. Your
208 not necessarily translate to other areas. So you might prod people in
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| /Documentation/scheduler/ |
| D | sched-nice-design.rst | 14 units were driven by the HZ tick, so the smallest timeslice was 1/HZ.
19 rule so that nice +19 level would be _exactly_ 1 jiffy. To better
39 So that if someone wanted to really renice tasks, +19 would give a much
51 So for HZ=1000 we changed nice +19 to 5msecs, because that felt like the
83 nice levels were not 'punchy enough', so lots of people had to resort to
100 tasks, regardless of their absolute nice levels. So on the new
|
| /Documentation/core-api/ |
| D | dma-isa-lpc.rst | 9 uses the same DMA system so it will be around for quite some time.
24 Kconfig to be dependent on ISA_DMA_API (not ISA) so that nobody tries
31 memory it can access so extra care must be taken when allocating
44 Unfortunately the memory available for ISA DMA is scarce so unless you
91 not atomic so only one driver may fiddle with the registers at a
150 are lost when the system suspends so if your driver relies on the DMA
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| D | swiotlb.rst | 20 if bounce buffering is necessary. If so, the DMA layer manages the allocation,
26 original memory buffer, and it consumes more CPU resources. So it is used only
115 so that some number of low order bits are set, or it may be zero. swiotlb
136 devices. It is set to the granule size - 1 so that the bounce buffer is
148 memory. The default pool is allocated below the 4 GiB physical address line so
174 trying an allocation, so contention may occur if swiotlb is relatively busy
205 from the general system memory atomic pool so that creation does not block.
207 where the memory must be decrypted, so it is done only as a stopgap until the
211 must be physically contiguous, so the size is limited to MAX_PAGE_ORDER pages
226 swiotlb physical address, so that search is linear and not performant with a
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| /Documentation/devicetree/bindings/regulator/ |
| D | hisilicon,hi655x-regulator.txt | 5 So the node of this regulator must be child node of Hi655x
8 The driver uses the regulator core framework, so please also
|
| /Documentation/arch/arm/sa1100/ |
| D | serial_uart.rst | 14 > serial devices", so you will have a range of minors on those majors (the
15 > tty device layer handles this just fine, so you don't have to worry about
18 > So your assignments are:
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| /Documentation/devicetree/bindings/mtd/partitions/ |
| D | partition.yaml | 21 so that subsystem like NVMEM can provide an OF node and declare NVMEM cells.
68 The entry offset is adjusted so that the entry starts on an aligned
90 bytes, so may grow. If ‘align-size’ is not provided, no alignment is
104 entry, so the content of the entry will still start at the beginning.
108 with the padding bytes, so may grow. If ‘align-end’ is not provided,
|
| /Documentation/arch/arm/ |
| D | tcm.rst | 7 Some ARM SoCs have a so-called TCM (Tightly-Coupled Memory).
12 Harvard-architecture, so there is an ITCM (instruction TCM)
15 The size of DTCM or ITCM is minimum 4KiB so the typical
33 CPU so it is usually wise not to overlap any physical RAM with
45 TCMs in two separate banks, so for example an 8KiB ITCM is divided
56 retention mode, so only on-chip RAM is accessible by
|
| /Documentation/arch/x86/ |
| D | orc-unwinder.rst | 37 performance, because the debuginfo is out of band. So if you disable
74 performance, so the speedup over DWARF may be closer to 40x.)
84 so I suspect we'll really only ever need to keep track of the stack
95 paths, and so it already has all the information it needs to be able to
96 generate ORC data from scratch. So it's an easy step to go from stack
114 annotations are needed than what DWARF would need, so they're much more
117 So the advantages of using objtool to generate ORC data are that it
155 with a range of indices for the .orc_unwind table, so that only a small
|
| /Documentation/arch/powerpc/ |
| D | kaslr-booke32.rst | 17 region, so we chose to copy the kernel to a proper place and restart to
21 build and boot. This not so much safe so additionally the bootloader may
|
| /Documentation/virt/hyperv/ |
| D | vpci.rst | 13 would when running on bare metal, so no changes are required
36 it is operating, so the Linux device driver for the device can
44 mechanism, so they have a VMBus identity and appear under
81 Linux, the virtual PCI device is setup in Linux so that
89 are unique, so hv_pci_probe() has an algorithm to resolve
91 across reboots of the same VM so that the PCI domainIDs don't
106 associated with the host bridge so that it works when generic
192 while the polling is in progress, so this scenario must be
208 which Hyper-V emulates, so no hypercall is necessary as with
245 to a guest VM, that device does not appear in the DSDT, so the
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| /Documentation/dev-tools/ |
| D | gpio-sloppy-logic-analyzer.rst | 63 extensively, it will isolate the CPU core so you will have the least
70 parameter. The bus speed is 400kHz. So, the sampling theorem says we need to
72 start condition happen faster, so we need a higher sampling frequency, e.g.
74 for a start condition on an idle bus. So, we need to set a trigger to a falling
76 us assume 15ms here which results in the parameter ``-d 15000``. So,
|
| /Documentation/ |
| D | dontdiff | 49 *.so
50 *.so.dbg
247 vdso32.so.dbg
249 vdso64.so.dbg
|