blob: f35473f8c630578b76841cf61370b16d1f131ed7 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001
2This is a brief list of all the files in ./linux/Documentation and what
3they contain. If you add a documentation file, please list it here in
4alphabetical order as well, or risk being hunted down like a rabid dog.
Paul Gortmaker449e3a72013-02-14 15:20:54 -05005Please keep the descriptions small enough to fit on one line.
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 Thanks -- Paul G.
7
8Following translations are available on the WWW:
9
Masanari Iida010f4562012-02-14 23:19:07 +090010 - Japanese, maintained by the JF Project (jf@listserv.linux.or.jp), at
11 http://linuxjf.sourceforge.jp/
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
1300-INDEX
14 - this file.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070015ABI/
16 - info on kernel <-> userspace ABI and relative interface stability.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -020017CodingStyle
18 - nothing here, just a pointer to process/coding-style.rst.
Linus Torvalds1da177e2005-04-16 15:20:36 -070019DMA-API.txt
20 - DMA API, pci_ API & extensions for non-consistent memory machines.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050021DMA-API-HOWTO.txt
22 - Dynamic DMA mapping Guide
Rob Landley5ef43562007-10-16 23:31:25 -070023DMA-ISA-LPC.txt
24 - How to do DMA with ISA (and LPC) devices.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050025DMA-attributes.txt
26 - listing of the various possible attributes a DMA region can have
Paul Gortmaker449e3a72013-02-14 15:20:54 -050027EDID/
28 - directory with info on customizing EDID for broken gfx/displays.
Linus Torvalds1da177e2005-04-16 15:20:36 -070029IPMI.txt
30 - info on Linux Intelligent Platform Management Interface (IPMI) Driver.
31IRQ-affinity.txt
32 - how to select which CPU(s) handle which interrupt events on SMP.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050033IRQ-domain.txt
Murilo Opsfelder Araujo453f42d2013-08-20 20:48:39 -030034 - info on interrupt numbering and setting up IRQ domains.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070035IRQ.txt
36 - description of what an IRQ is.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050037Intel-IOMMU.txt
38 - basic info on the Intel IOMMU virtualization support.
39Makefile
Mauro Carvalho Chehab9e22ff42016-12-06 10:51:51 -020040 - It's not of interest for those who aren't touching the build system.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -020041PCI/
42 - info related to PCI drivers.
Linus Torvalds1da177e2005-04-16 15:20:36 -070043RCU/
44 - directory with info on RCU (read-copy update).
Linus Torvalds1da177e2005-04-16 15:20:36 -070045SAK.txt
46 - info on Secure Attention Keys.
Rob Landley5ef43562007-10-16 23:31:25 -070047SM501.txt
48 - Silicon Motion SM501 multimedia companion chip
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -020049SubmittingPatches
50 - nothing here, just a pointer to process/coding-style.rst.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070051accounting/
52 - documentation on accounting and taskstats.
Len Brownb4d27302007-11-14 19:53:21 -050053acpi/
54 - info on ACPI-specific hooks in the kernel.
Mauro Carvalho Chehab79c87c32016-12-05 09:41:42 -020055admin-guide/
56 - info related to Linux users and system admins.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070057aoe/
58 - description of AoE (ATA over Ethernet) along with config examples.
Linus Torvalds1da177e2005-04-16 15:20:36 -070059arm/
60 - directory with info about Linux on the ARM architecture.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050061arm64/
62 - directory with info about Linux on the 64 bit ARM architecture.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070063auxdisplay/
64 - misc. LCD driver documentation (cfag12864b, ks0108).
Paul Gortmaker449e3a72013-02-14 15:20:54 -050065backlight/
66 - directory with info on controlling backlights in flat panel displays
Henrik Austad3cf8ca12014-02-10 14:25:33 -080067bcache.txt
68 - Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070069blackfin/
70 - directory with documentation for the Blackfin arch.
Linus Torvalds1da177e2005-04-16 15:20:36 -070071block/
72 - info on the Block I/O (BIO) layer.
Randy Dunlap31c00fc2008-11-13 21:33:24 +000073blockdev/
74 - info on block devices & drivers
Paul Gortmaker449e3a72013-02-14 15:20:54 -050075bt8xxgpio.txt
76 - info on how to modify a bt8xx video card for GPIO usage.
Bing Zhao196be0c2009-06-02 14:29:38 -070077btmrvl.txt
78 - info on Marvell Bluetooth driver usage.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050079bus-devices/
80 - directory with info on TI GPMC (General Purpose Memory Controller)
Randy Dunlap9fe41e42010-07-19 22:20:27 +000081bus-virt-phys-mapping.txt
82 - how to access I/O mapped memory from within device drivers.
Linus Torvalds1da177e2005-04-16 15:20:36 -070083cachetlb.txt
84 - describes the cache/TLB flushing interfaces Linux uses.
Linus Torvalds1da177e2005-04-16 15:20:36 -070085cdrom/
86 - directory with information on the CD-ROM drivers that Linux has.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -020087cgroup-v1/
88 - cgroups v1 features, including cpusets and memory controller.
89cgroup-v2.txt
90 - cgroups v2 features, including cpusets and memory controller.
Paul Gortmaker449e3a72013-02-14 15:20:54 -050091circular-buffers.txt
92 - how to make use of the existing circular buffer infrastructure
93clk.txt
94 - info on the common clock framework
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -020095cma/
96 - Continuous Memory Area (CMA) debugfs interface.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -020097conf.py
Mauro Carvalho Chehab9e22ff42016-12-06 10:51:51 -020098 - It's not of interest for those who aren't touching the build system.
Jesper Juhlf6b07d32007-07-15 23:41:41 -070099connector/
100 - docs on the netlink based userspace<->kernel space communication mod.
101console/
102 - documentation on Linux console drivers.
Silvio Fricke24755a52016-10-28 10:14:10 +0200103core-api/
104 - documentation on kernel core components.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105cpu-freq/
106 - info on CPU frequency and voltage scaling.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700107cpu-hotplug.txt
108 - document describing CPU hotplug support in the Linux kernel.
109cpu-load.txt
110 - document describing how CPU load statistics are collected.
Venkatesh Pallipadife8e2882008-02-14 00:16:13 -0500111cpuidle/
112 - info on CPU_IDLE, CPU idle state management subsystem.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700113cputopology.txt
114 - documentation on how CPU topology info is exported via sysfs.
Bob Pearsonfbedceb2012-03-23 15:02:22 -0700115crc32.txt
116 - brief tutorial on CRC computation
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117cris/
118 - directory with info about Linux on CRIS architecture.
119crypto/
120 - directory with info on the Crypto API.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700121dcdbas.txt
122 - information on the Dell Systems Management Base Driver.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123debugging-modules.txt
124 - some notes on debugging modules after Linux 2.6.3.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500125debugging-via-ohci1394.txt
126 - how to use firewire like a hardware debugger memory reader.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700127dell_rbu.txt
128 - document demonstrating the use of the Dell Remote BIOS Update driver.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200129dev-tools/
130 - directory with info on development tools for the kernel.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131device-mapper/
132 - directory with info on Device Mapper.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200133dmaengine/
134 - the DMA engine and controller API guides.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500135devicetree/
136 - directory with info on device tree files used by OF/PowerPC/ARM
137digsig.txt
138 -info on the Digital Signature Verification API
139dma-buf-sharing.txt
140 - the DMA Buffer Sharing API Guide
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -0200141docutils.conf
142 - nothing here. Just a configuration file for docutils.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700143dontdiff
144 - file containing a list of files that should never be diff'ed.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200145driver-api/
146 - the Linux driver implementer's API guide.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147driver-model/
148 - directory with info about Linux driver model.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149early-userspace/
150 - info about initramfs, klibc, and userspace early during boot.
Henrik Austad3cf8ca12014-02-10 14:25:33 -0800151efi-stub.txt
152 - How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153eisa.txt
154 - info on EISA bus support.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500155extcon/
156 - directory with porting guide for Android kernel switch driver.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200157isa.txt
158 - info on EISA bus support.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700159fault-injection/
160 - dir with docs about the fault injection capabilities infrastructure.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161fb/
162 - directory with info on the frame buffer graphics abstraction layer.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200163features/
164 - status of feature implementation on different architectures.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165filesystems/
J. Bruce Fields4f3b19c2007-09-24 18:52:09 -0400166 - info on the vfs and the various filesystems that Linux supports.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167firmware_class/
168 - request_firmware() hotplug interface info.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500169flexible-arrays.txt
170 - how to make use of flexible sized arrays in linux
Alessandro Rubini022c6742013-06-18 23:47:24 +0200171fmc/
172 - information about the FMC bus abstraction
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200173fpga/
174 - FPGA Manager Core.
Adrian Bunk0868ff72008-02-03 15:54:28 +0200175frv/
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700176 - Fujitsu FR-V Linux documentation.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500177futex-requeue-pi.txt
178 - info on requeueing of tasks from a non-PI futex to a PI futex
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200179gcc-plugins.txt
180 - GCC plugin infrastructure.
Henrik Austad3cf8ca12014-02-10 14:25:33 -0800181gpio/
182 - gpio related documentation
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200183gpu/
184 - directory with information on GPU driver developer's guide.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500185hid/
186 - directory with information on human interface devices
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187highuid.txt
188 - notes on the change from 16 bit to 32 bit user/group IDs.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500189hwspinlock.txt
190 - hardware spinlock provides hardware assistance for synchronization
Thomas Gleixner3833eec2008-03-05 18:28:15 +0100191timers/
192 - info on the timer related topics
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193hw_random.txt
194 - info on Linux support for random number generator in i8xx chipsets.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700195hwmon/
196 - directory with docs on various hardware monitoring drivers.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197i2c/
198 - directory with info about the I2C bus/protocol (2 wire, kHz speed).
Uwe Hermann71cced62008-10-20 09:32:21 -0700199x86/i386/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 - directory with info about Linux on Intel 32 bit architecture.
201ia64/
202 - directory with info about Linux on Intel 64 bit architecture.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200203ide/
204 - Information regarding the Enhanced IDE drive.
205iio/
206 - info on industrial IIO configfs support.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -0200207index.rst
208 - main index for the documentation at ReST format.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700209infiniband/
210 - directory with documents concerning Linux InfiniBand support.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211input/
212 - info on Linux input device support.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500213intel_txt.txt
214 - info on intel Trusted Execution Technology (intel TXT).
Randy Dunlap9fe41e42010-07-19 22:20:27 +0000215io-mapping.txt
216 - description of io_mapping functions in linux/io-mapping.h
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217io_ordering.txt
218 - info on ordering I/O writes to memory-mapped addresses.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700219ioctl/
220 - directory with documents describing various IOCTL calls.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221iostats.txt
222 - info on I/O statistics Linux kernel provides.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700223irqflags-tracing.txt
224 - how to use the irq-flags tracing feature.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225isapnp.txt
226 - info on Linux ISA Plug & Play support.
227isdn/
228 - directory with info on the Linux ISDN support, and supported cards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229kbuild/
230 - directory with info about the kernel build process.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200231kernel-doc-nano-HOWTO.txt
232 - outdated info about kernel-doc documentation.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700233kdump/
234 - directory with mini HowTo on getting the crash dump code to work.
Mauro Carvalho Chehab1dc4bbf2016-11-17 08:32:33 -0200235doc-guide/
Jonathan Corbet8ed292f2016-07-20 16:43:41 -0600236 - how to write and format reStructuredText kernel documentation
Henrik Austad3cf8ca12014-02-10 14:25:33 -0800237kernel-per-CPU-kthreads.txt
238 - List of all per-CPU kthreads and how they introduce jitter.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239kobject.txt
240 - info of the kobject infrastructure of the Linux kernel.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700241kprobes.txt
242 - documents the kernel probes debugging feature.
243kref.txt
244 - docs on adding reference counters (krefs) to kernel objects.
Henrik Austad8ea8f3e2014-12-26 09:26:22 +0100245kselftest.txt
246 - small unittests for (some) individual codepaths in the kernel.
Carlos Corbachod6ff3652008-02-09 01:32:03 +0000247laptops/
248 - directory with laptop related info and laptop driver documentation.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249ldm.txt
250 - a brief description of LDM (Windows Dynamic Disks).
Antonio Ospite9a684e12011-04-04 15:08:46 -0700251leds/
252 - directory with info about LED handling under Linux.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200253livepatch/
254 - info on kernel live patching.
Davidlohr Bueso214e0ae2014-07-30 13:41:55 -0700255locking/
256 - directory with info about kernel locking primitives
Jean Delvarefd058732012-10-21 12:05:51 +0200257lockup-watchdogs.txt
258 - info on soft and hard lockup detectors (aka nmi_watchdog).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259logo.gif
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700260 - full colour GIF image of Linux logo (penguin - Tux).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261logo.txt
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700262 - info on creator of above logo & site to get additional images from.
Mauro Carvalho Chehab415008a2017-05-14 11:41:53 -0300263lsm.txt
264 - Linux Security Modules: General Security Hooks for Linux
Henrik Austad8ea8f3e2014-12-26 09:26:22 +0100265lzo.txt
266 - kernel LZO decompressor input formats
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267m68k/
268 - directory with info about Linux on Motorola 68k architecture.
Henrik Austad8ea8f3e2014-12-26 09:26:22 +0100269mailbox.txt
270 - How to write drivers for the common mailbox framework (IPC).
Shaohua Li1601c592017-01-30 15:44:41 -0800271md/
272 - directory with info about Linux Software RAID
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200273media/
274 - info on media drivers: uAPI, kAPI and driver documentation.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700275memory-barriers.txt
276 - info on Linux kernel memory barriers.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500277memory-devices/
278 - directory with info on parts like the Texas Instruments EMIF driver
Rob Landley5ef43562007-10-16 23:31:25 -0700279memory-hotplug.txt
280 - Hotpluggable memory support, how to use and current status.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200281men-chameleon-bus.txt
282 - info on MEN chameleon bus.
James Hoganfdabf522012-10-09 11:00:27 +0100283metag/
284 - directory with info about Linux on Meta architecture.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200285mic/
286 - Intel Many Integrated Core (MIC) architecture device driver.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287mips/
288 - directory with info about Linux on MIPS architecture.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500289misc-devices/
290 - directory with info about devices using the misc dev subsystem
Adrian Hunterdfe86cb2010-08-11 14:17:46 -0700291mmc/
292 - directory with info about the MMC subsystem
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500293mn10300/
294 - directory with info about the mn10300 architecture port
295mtd/
296 - directory with info about memory technology devices (flash)
Pavel Emelyanov2868f892007-11-28 16:21:39 -0800297namespaces/
298 - directory with various information about namespaces
Paul Moore8802f612006-08-03 16:45:49 -0700299netlabel/
300 - directory with information on the NetLabel subsystem.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301networking/
302 - directory with info on various aspects of networking with Linux.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500303nfc/
304 - directory relating info about Near Field Communications support.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200305nios2/
306 - Linux on the Nios II architecture.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700307nommu-mmap.txt
308 - documentation about no-mmu memory mapping support.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309numastat.txt
310 - info on how to read Numa policy hit/miss statistics in sysfs.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200311ntb.txt
312 - info on Non-Transparent Bridge (NTB) drivers.
313nvdimm/
314 - info on non-volatile devices.
315nvmem/
316 - info on non volatile memory framework.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -0200317output/
318 - default directory where html/LaTeX/pdf files will be written.
Jonathan Corbet4047f8b2010-05-12 14:23:48 -0600319padata.txt
320 - An introduction to the "padata" parallel execution API
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321parisc/
322 - directory with info on using Linux on PA-RISC architecture.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323parport-lowlevel.txt
324 - description and usage of the low level parallel port functions.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700325pcmcia/
326 - info on the Linux PCMCIA driver.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500327percpu-rw-semaphore.txt
328 - RCU based read-write semaphore optimized for locking for reading
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200329perf/
330 - info about the APM X-Gene SoC Performance Monitoring Unit (PMU).
331phy/
332 - ino on Samsung USB 2.0 PHY adaptation layer.
Henrik Austad3cf8ca12014-02-10 14:25:33 -0800333phy.txt
334 - Description of the generic PHY framework.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700335pi-futex.txt
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500336 - documentation on lightweight priority inheritance futexes.
337pinctrl.txt
338 - info on pinctrl subsystem and the PINMUX/PINCONF and drivers
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200339platform/
340 - List of supported hardware by compal and Dell laptop.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341pnp.txt
342 - Linux Plug and Play documentation.
343power/
344 - directory with info on Linux PCI power management.
345powerpc/
346 - directory with info on using Linux with the PowerPC.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500347prctl/
348 - directory with info on the priveledge control subsystem
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349preempt-locking.txt
350 - info on locking under a preemptive kernel.
Randy Dunlapb67ad182008-11-12 13:26:55 -0800351printk-formats.txt
352 - how to get printk format specifiers right
Mauro Carvalho Chehab79c87c32016-12-05 09:41:42 -0200353process/
354 - how to work with the mainline kernel development process.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500355pps/
356 - directory with information on the pulse-per-second support
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200357pti/
358 - directory with info on Intel MID PTI.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500359ptp/
360 - directory with info on support for IEEE 1588 PTP clocks in Linux.
361pwm.txt
362 - info on the pulse width modulation driver subsystem
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500363rapidio/
364 - directory with info on RapidIO packet-based fabric interconnect
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700365rbtree.txt
366 - info on what red-black trees are and what they are for.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500367remoteproc.txt
368 - info on how to handle remote processor (e.g. AMP) offloads/usage.
369rfkill.txt
370 - info on the radio frequency kill switch subsystem/support.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700371robust-futex-ABI.txt
372 - documentation of the robust futex ABI.
373robust-futexes.txt
374 - a description of what robust futexes are.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500375rpmsg.txt
376 - info on the Remote Processor Messaging (rpmsg) Framework
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377rtc.txt
378 - notes on how to use the Real Time Clock (aka CMOS clock) driver.
379s390/
380 - directory with info on using Linux on the IBM S390.
J. Bruce Fields9b8eae72008-02-07 00:13:37 -0800381scheduler/
382 - directory with info on the scheduler.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383scsi/
384 - directory with info on Linux scsi support.
Randy Dunlapd410fa42011-05-19 15:59:38 -0700385security/
386 - directory that contains security-related info
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387serial/
388 - directory with info on the low level serial API.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700389sgi-ioc4.txt
390 - description of the SGI IOC4 PCI (multi function) device.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391sh/
392 - directory with info on porting Linux to a new architecture.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500393smsc_ece1099.txt
394 -info on the smsc Keyboard Scan Expansion/GPIO Expansion device.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395sound/
396 - directory with info on sound card support.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700397spi/
398 - overview of Linux kernel Serial Peripheral Interface (SPI) support.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -0200399sphinx/
Mauro Carvalho Chehab9e22ff42016-12-06 10:51:51 -0200400 - no documentation here, just files required by Sphinx toolchain.
Mauro Carvalho Chehab0f607242016-12-05 09:41:45 -0200401sphinx-static/
Mauro Carvalho Chehab9e22ff42016-12-06 10:51:51 -0200402 - no documentation here, just files required by Sphinx toolchain.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500403static-keys.txt
404 - info on how static keys allow debug code in hotpaths via patching
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405svga.txt
406 - short guide on selecting video modes at boot via VGA BIOS.
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200407sync_file.txt
408 - Sync file API guide.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409sysctl/
410 - directory with info on the /proc/sys/* files.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500411target/
412 - directory with info on generating TCM v4 fabric .ko modules
Jens Wiklander6a6e7702015-06-01 16:15:25 +0200413tee.txt
414 - info on the TEE subsystem and drivers
Henrik Austad3cf8ca12014-02-10 14:25:33 -0800415this_cpu_ops.txt
416 - List rationale behind and the way to use this_cpu operations.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500417thermal/
418 - directory with information on managing thermal issues (CPU/temp)
419trace/
420 - directory with info on tracing technologies within linux
Mauro Carvalho Chehab822d2892016-12-05 09:41:43 -0200421translations/
422 - translations of this document from English to another language
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500423unaligned-memory-access.txt
424 - info on how to avoid arch breaking unaligned memory access in code.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700425unshare.txt
426 - description of the Linux unshare system call.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427usb/
428 - directory with info regarding the Universal Serial Bus.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500429vfio.txt
430 - info on Virtual Function I/O used in guest/hypervisor instances.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700431video-output.txt
432 - sysfs class driver interface to enable/disable a video output device.
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500433virtual/
434 - directory with information on the various linux virtualizations.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435vm/
436 - directory with info on the Linux vm code.
Jesper Juhlf6b07d32007-07-15 23:41:41 -0700437w1/
438 - directory with documents regarding the 1-wire (w1) subsystem.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439watchdog/
440 - how to auto-reboot Linux if it has "fallen and can't get up". ;-)
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500441wimax/
442 - directory with info about Intel Wireless Wimax Connections
Silvio Fricke24755a52016-10-28 10:14:10 +0200443core-api/workqueue.rst
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500444 - information on the Concurrency Managed Workqueue implementation
Uwe Hermann71cced62008-10-20 09:32:21 -0700445x86/x86_64/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446 - directory with info on Linux support for AMD x86-64 (Hammer) machines.
Henrik Austad8ea8f3e2014-12-26 09:26:22 +0100447xillybus.txt
448 - Overview and basic ui of xillybus driver
Paul Gortmaker449e3a72013-02-14 15:20:54 -0500449xtensa/
450 - directory with documents relating to arch/xtensa port/implementation
451xz.txt
452 - how to make use of the XZ data compression within linux kernel
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453zorro.txt
454 - info on writing drivers for Zorro bus devices found on Amigas.