Specifically: Documentation/locking/lockdep-design.txt Documentation/locking/lockstat.txt Documentation/locking/mutex-design.txt Documentation/locking/rt-mutex-design.txt Documentation/locking/rt-mutex.txt Documentation/locking/spinlocks.txt Documentation/locking/ww-mutex-design.txt Signed-off-by: Davidlohr Bueso <davidlohr@hp.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: jason.low2@hp.com Cc: aswin@hp.com Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Chris Mason <clm@fb.com> Cc: Dan Streetman <ddstreet@ieee.org> Cc: David Airlie <airlied@linux.ie> Cc: Davidlohr Bueso <davidlohr@hp.com> Cc: David S. Miller <davem@davemloft.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Jason Low <jason.low2@hp.com> Cc: Josef Bacik <jbacik@fusionio.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Lubomir Rintel <lkundrak@v3.sk> Cc: Masanari Iida <standby24x7@gmail.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: fengguang.wu@intel.com Link: http://lkml.kernel.org/r/1406752916-3341-6-git-send-email-davidlohr@hp.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
		
			
				
	
	
		
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This is a brief list of all the files in ./linux/Documentation and what
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they contain. If you add a documentation file, please list it here in
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alphabetical order as well, or risk being hunted down like a rabid dog.
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Please keep the descriptions small enough to fit on one line.
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							 Thanks -- Paul G.
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Following translations are available on the WWW:
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   - Japanese, maintained by the JF Project (jf@listserv.linux.or.jp), at
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     http://linuxjf.sourceforge.jp/
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00-INDEX
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	- this file.
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ABI/
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	- info on kernel <-> userspace ABI and relative interface stability.
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BUG-HUNTING
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	- brute force method of doing binary search of patches to find bug.
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Changes
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	- list of changes that break older software packages.
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CodingStyle
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	- how the maintainers expect the C code in the kernel to look.
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DMA-API.txt
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	- DMA API, pci_ API & extensions for non-consistent memory machines.
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DMA-API-HOWTO.txt
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	- Dynamic DMA mapping Guide
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DMA-ISA-LPC.txt
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	- How to do DMA with ISA (and LPC) devices.
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DMA-attributes.txt
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	- listing of the various possible attributes a DMA region can have
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dmatest.txt
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	- how to compile, configure and use the dmatest system.
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DocBook/
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	- directory with DocBook templates etc. for kernel documentation.
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EDID/
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	- directory with info on customizing EDID for broken gfx/displays.
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HOWTO
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	- the process and procedures of how to do Linux kernel development.
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IPMI.txt
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	- info on Linux Intelligent Platform Management Interface (IPMI) Driver.
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IRQ-affinity.txt
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	- how to select which CPU(s) handle which interrupt events on SMP.
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IRQ-domain.txt
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	- info on interrupt numbering and setting up IRQ domains.
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IRQ.txt
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	- description of what an IRQ is.
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Intel-IOMMU.txt
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	- basic info on the Intel IOMMU virtualization support.
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Makefile
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	- some files in Documentation dir are actually sample code to build
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ManagementStyle
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	- how to (attempt to) manage kernel hackers.
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RCU/
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	- directory with info on RCU (read-copy update).
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SAK.txt
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	- info on Secure Attention Keys.
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SM501.txt
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	- Silicon Motion SM501 multimedia companion chip
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SecurityBugs
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	- procedure for reporting security bugs found in the kernel.
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SubmitChecklist
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	- Linux kernel patch submission checklist.
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SubmittingDrivers
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	- procedure to get a new driver source included into the kernel tree.
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SubmittingPatches
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	- procedure to get a source patch included into the kernel tree.
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VGA-softcursor.txt
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	- how to change your VGA cursor from a blinking underscore.
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accounting/
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	- documentation on accounting and taskstats.
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acpi/
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	- info on ACPI-specific hooks in the kernel.
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aoe/
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	- description of AoE (ATA over Ethernet) along with config examples.
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applying-patches.txt
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	- description of various trees and how to apply their patches.
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arm/
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	- directory with info about Linux on the ARM architecture.
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arm64/
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	- directory with info about Linux on the 64 bit ARM architecture.
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assoc_array.txt
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	- generic associative array intro.
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atomic_ops.txt
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	- semantics and behavior of atomic and bitmask operations.
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auxdisplay/
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	- misc. LCD driver documentation (cfag12864b, ks0108).
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backlight/
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	- directory with info on controlling backlights in flat panel displays
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bad_memory.txt
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	- how to use kernel parameters to exclude bad RAM regions.
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basic_profiling.txt
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	- basic instructions for those who wants to profile Linux kernel.
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bcache.txt
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	- Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
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binfmt_misc.txt
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	- info on the kernel support for extra binary formats.
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blackfin/
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	- directory with documentation for the Blackfin arch.
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block/
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	- info on the Block I/O (BIO) layer.
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blockdev/
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	- info on block devices & drivers
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braille-console.txt
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	- info on how to use serial devices for Braille support.
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bt8xxgpio.txt
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	- info on how to modify a bt8xx video card for GPIO usage.
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btmrvl.txt
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	- info on Marvell Bluetooth driver usage.
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bus-devices/
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	- directory with info on TI GPMC (General Purpose Memory Controller)
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bus-virt-phys-mapping.txt
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	- how to access I/O mapped memory from within device drivers.
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cachetlb.txt
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	- describes the cache/TLB flushing interfaces Linux uses.
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cdrom/
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	- directory with information on the CD-ROM drivers that Linux has.
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cgroups/
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	- cgroups features, including cpusets and memory controller.
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circular-buffers.txt
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	- how to make use of the existing circular buffer infrastructure
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clk.txt
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	- info on the common clock framework
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coccinelle.txt
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	- info on how to get and use the Coccinelle code checking tool.
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connector/
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	- docs on the netlink based userspace<->kernel space communication mod.
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console/
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	- documentation on Linux console drivers.
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cpu-freq/
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	- info on CPU frequency and voltage scaling.
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cpu-hotplug.txt
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	- document describing CPU hotplug support in the Linux kernel.
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cpu-load.txt
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	- document describing how CPU load statistics are collected.
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cpuidle/
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	- info on CPU_IDLE, CPU idle state management subsystem.
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cputopology.txt
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	- documentation on how CPU topology info is exported via sysfs.
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crc32.txt
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	- brief tutorial on CRC computation
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cris/
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	- directory with info about Linux on CRIS architecture.
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crypto/
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	- directory with info on the Crypto API.
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dcdbas.txt
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	- information on the Dell Systems Management Base Driver.
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debugging-modules.txt
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	- some notes on debugging modules after Linux 2.6.3.
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debugging-via-ohci1394.txt
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	- how to use firewire like a hardware debugger memory reader.
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dell_rbu.txt
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	- document demonstrating the use of the Dell Remote BIOS Update driver.
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development-process/
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	- how to work with the mainline kernel development process.
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device-mapper/
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	- directory with info on Device Mapper.
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devices.txt
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	- plain ASCII listing of all the nodes in /dev/ with major minor #'s.
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devicetree/
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	- directory with info on device tree files used by OF/PowerPC/ARM
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digsig.txt
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	-info on the Digital Signature Verification API
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dma-buf-sharing.txt
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	- the DMA Buffer Sharing API Guide
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dmaengine.txt
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	-the DMA Engine API Guide
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dontdiff
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	- file containing a list of files that should never be diff'ed.
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driver-model/
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	- directory with info about Linux driver model.
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dvb/
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	- info on Linux Digital Video Broadcast (DVB) subsystem.
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dynamic-debug-howto.txt
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	- how to use the dynamic debug (dyndbg) feature.
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early-userspace/
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	- info about initramfs, klibc, and userspace early during boot.
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edac.txt
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	- information on EDAC - Error Detection And Correction
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efi-stub.txt
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	- How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
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eisa.txt
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	- info on EISA bus support.
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email-clients.txt
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	- info on how to use e-mail to send un-mangled (git) patches.
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extcon/
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	- directory with porting guide for Android kernel switch driver.
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fault-injection/
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	- dir with docs about the fault injection capabilities infrastructure.
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fb/
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	- directory with info on the frame buffer graphics abstraction layer.
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filesystems/
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	- info on the vfs and the various filesystems that Linux supports.
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firmware_class/
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	- request_firmware() hotplug interface info.
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flexible-arrays.txt
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	- how to make use of flexible sized arrays in linux
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fmc/
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	- information about the FMC bus abstraction
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frv/
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	- Fujitsu FR-V Linux documentation.
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futex-requeue-pi.txt
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	- info on requeueing of tasks from a non-PI futex to a PI futex
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gcov.txt
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	- use of GCC's coverage testing tool "gcov" with the Linux kernel
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gpio/
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	- gpio related documentation
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hid/
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	- directory with information on human interface devices
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highuid.txt
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	- notes on the change from 16 bit to 32 bit user/group IDs.
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hwspinlock.txt
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	- hardware spinlock provides hardware assistance for synchronization
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timers/
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	- info on the timer related topics
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hw_random.txt
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	- info on Linux support for random number generator in i8xx chipsets.
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hwmon/
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	- directory with docs on various hardware monitoring drivers.
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i2c/
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	- directory with info about the I2C bus/protocol (2 wire, kHz speed).
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i2o/
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	- directory with info about the Linux I2O subsystem.
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x86/i386/
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	- directory with info about Linux on Intel 32 bit architecture.
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ia64/
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	- directory with info about Linux on Intel 64 bit architecture.
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infiniband/
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	- directory with documents concerning Linux InfiniBand support.
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init.txt
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	- what to do when the kernel can't find the 1st process to run.
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initrd.txt
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	- how to use the RAM disk as an initial/temporary root filesystem.
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input/
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	- info on Linux input device support.
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intel_txt.txt
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	- info on intel Trusted Execution Technology (intel TXT).
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io-mapping.txt
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	- description of io_mapping functions in linux/io-mapping.h
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io_ordering.txt
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	- info on ordering I/O writes to memory-mapped addresses.
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ioctl/
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	- directory with documents describing various IOCTL calls.
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iostats.txt
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	- info on I/O statistics Linux kernel provides.
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irqflags-tracing.txt
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	- how to use the irq-flags tracing feature.
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isapnp.txt
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	- info on Linux ISA Plug & Play support.
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isdn/
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	- directory with info on the Linux ISDN support, and supported cards.
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java.txt
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	- info on the in-kernel binary support for Java(tm).
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ja_JP/
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	- directory with Japanese translations of various documents
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kbuild/
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	- directory with info about the kernel build process.
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kdump/
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	- directory with mini HowTo on getting the crash dump code to work.
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kernel-doc-nano-HOWTO.txt
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	- mini HowTo on generation and location of kernel documentation files.
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kernel-docs.txt
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	- listing of various WWW + books that document kernel internals.
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kernel-parameters.txt
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	- summary listing of command line / boot prompt args for the kernel.
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kernel-per-CPU-kthreads.txt
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	- List of all per-CPU kthreads and how they introduce jitter.
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kmemcheck.txt
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	- info on dynamic checker that detects uses of uninitialized memory.
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kmemleak.txt
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	- info on how to make use of the kernel memory leak detection system
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ko_KR/
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	- directory with Korean translations of various documents
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kobject.txt
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	- info of the kobject infrastructure of the Linux kernel.
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kprobes.txt
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	- documents the kernel probes debugging feature.
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kref.txt
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	- docs on adding reference counters (krefs) to kernel objects.
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laptops/
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	- directory with laptop related info and laptop driver documentation.
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ldm.txt
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	- a brief description of LDM (Windows Dynamic Disks).
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leds/
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	- directory with info about LED handling under Linux.
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local_ops.txt
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	- semantics and behavior of local atomic operations.
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lockdep-design.txt
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	- documentation on the runtime locking correctness validator.
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locking/
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	- directory with info about kernel locking primitives
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lockstat.txt
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	- info on collecting statistics on locks (and contention).
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lockup-watchdogs.txt
 | 
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	- info on soft and hard lockup detectors (aka nmi_watchdog).
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logo.gif
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	- full colour GIF image of Linux logo (penguin - Tux).
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logo.txt
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	- info on creator of above logo & site to get additional images from.
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m68k/
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	- directory with info about Linux on Motorola 68k architecture.
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magic-number.txt
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	- list of magic numbers used to mark/protect kernel data structures.
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md.txt
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	- info on boot arguments for the multiple devices driver.
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media-framework.txt
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	- info on media framework, its data structures, functions and usage.
 | 
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memory-barriers.txt
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	- info on Linux kernel memory barriers.
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memory-devices/
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	- directory with info on parts like the Texas Instruments EMIF driver
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memory-hotplug.txt
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	- Hotpluggable memory support, how to use and current status.
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metag/
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	- directory with info about Linux on Meta architecture.
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mips/
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	- directory with info about Linux on MIPS architecture.
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misc-devices/
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	- directory with info about devices using the misc dev subsystem
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mmc/
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	- directory with info about the MMC subsystem
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mn10300/
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	- directory with info about the mn10300 architecture port
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module-signing.txt
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	- Kernel module signing for increased security when loading modules.
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mtd/
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	- directory with info about memory technology devices (flash)
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mono.txt
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	- how to execute Mono-based .NET binaries with the help of BINFMT_MISC.
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mutex-design.txt
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	- info on the generic mutex subsystem.
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namespaces/
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	- directory with various information about namespaces
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netlabel/
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	- directory with information on the NetLabel subsystem.
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networking/
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	- directory with info on various aspects of networking with Linux.
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nfc/
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	- directory relating info about Near Field Communications support.
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nommu-mmap.txt
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	- documentation about no-mmu memory mapping support.
 | 
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numastat.txt
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	- info on how to read Numa policy hit/miss statistics in sysfs.
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oops-tracing.txt
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	- how to decode those nasty internal kernel error dump messages.
 | 
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padata.txt
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	- An introduction to the "padata" parallel execution API
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parisc/
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	- directory with info on using Linux on PA-RISC architecture.
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parport.txt
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	- how to use the parallel-port driver.
 | 
						|
parport-lowlevel.txt
 | 
						|
	- description and usage of the low level parallel port functions.
 | 
						|
pcmcia/
 | 
						|
	- info on the Linux PCMCIA driver.
 | 
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percpu-rw-semaphore.txt
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	- RCU based read-write semaphore optimized for locking for reading
 | 
						|
phy.txt
 | 
						|
	- Description of the generic PHY framework.
 | 
						|
pi-futex.txt
 | 
						|
	- documentation on lightweight priority inheritance futexes.
 | 
						|
pinctrl.txt
 | 
						|
	- info on pinctrl subsystem and the PINMUX/PINCONF and drivers
 | 
						|
pnp.txt
 | 
						|
	- Linux Plug and Play documentation.
 | 
						|
power/
 | 
						|
	- directory with info on Linux PCI power management.
 | 
						|
powerpc/
 | 
						|
	- directory with info on using Linux with the PowerPC.
 | 
						|
prctl/
 | 
						|
	- directory with info on the priveledge control subsystem
 | 
						|
preempt-locking.txt
 | 
						|
	- info on locking under a preemptive kernel.
 | 
						|
printk-formats.txt
 | 
						|
	- how to get printk format specifiers right
 | 
						|
pps/
 | 
						|
	- directory with information on the pulse-per-second support
 | 
						|
ptp/
 | 
						|
	- directory with info on support for IEEE 1588 PTP clocks in Linux.
 | 
						|
pwm.txt
 | 
						|
	- info on the pulse width modulation driver subsystem
 | 
						|
ramoops.txt
 | 
						|
	- documentation of the ramoops oops/panic logging module.
 | 
						|
rapidio/
 | 
						|
	- directory with info on RapidIO packet-based fabric interconnect
 | 
						|
rbtree.txt
 | 
						|
	- info on what red-black trees are and what they are for.
 | 
						|
remoteproc.txt
 | 
						|
	- info on how to handle remote processor (e.g. AMP) offloads/usage.
 | 
						|
rfkill.txt
 | 
						|
	- info on the radio frequency kill switch subsystem/support.
 | 
						|
robust-futex-ABI.txt
 | 
						|
	- documentation of the robust futex ABI.
 | 
						|
robust-futexes.txt
 | 
						|
	- a description of what robust futexes are.
 | 
						|
rpmsg.txt
 | 
						|
	- info on the Remote Processor Messaging (rpmsg) Framework
 | 
						|
rt-mutex-design.txt
 | 
						|
	- description of the RealTime mutex implementation design.
 | 
						|
rt-mutex.txt
 | 
						|
	- desc. of RT-mutex subsystem with PI (Priority Inheritance) support.
 | 
						|
rtc.txt
 | 
						|
	- notes on how to use the Real Time Clock (aka CMOS clock) driver.
 | 
						|
s390/
 | 
						|
	- directory with info on using Linux on the IBM S390.
 | 
						|
scheduler/
 | 
						|
	- directory with info on the scheduler.
 | 
						|
scsi/
 | 
						|
	- directory with info on Linux scsi support.
 | 
						|
security/
 | 
						|
	- directory that contains security-related info
 | 
						|
serial/
 | 
						|
	- directory with info on the low level serial API.
 | 
						|
serial-console.txt
 | 
						|
	- how to set up Linux with a serial line console as the default.
 | 
						|
sgi-ioc4.txt
 | 
						|
	- description of the SGI IOC4 PCI (multi function) device.
 | 
						|
sh/
 | 
						|
	- directory with info on porting Linux to a new architecture.
 | 
						|
smsc_ece1099.txt
 | 
						|
	-info on the smsc Keyboard Scan Expansion/GPIO Expansion device.
 | 
						|
sound/
 | 
						|
	- directory with info on sound card support.
 | 
						|
sparse.txt
 | 
						|
	- info on how to obtain and use the sparse tool for typechecking.
 | 
						|
spi/
 | 
						|
	- overview of Linux kernel Serial Peripheral Interface (SPI) support.
 | 
						|
spinlocks.txt
 | 
						|
	- info on using spinlocks to provide exclusive access in kernel.
 | 
						|
stable_api_nonsense.txt
 | 
						|
	- info on why the kernel does not have a stable in-kernel api or abi.
 | 
						|
stable_kernel_rules.txt
 | 
						|
	- rules and procedures for the -stable kernel releases.
 | 
						|
static-keys.txt
 | 
						|
	- info on how static keys allow debug code in hotpaths via patching
 | 
						|
svga.txt
 | 
						|
	- short guide on selecting video modes at boot via VGA BIOS.
 | 
						|
sysfs-rules.txt
 | 
						|
	- How not to use sysfs.
 | 
						|
sysctl/
 | 
						|
	- directory with info on the /proc/sys/* files.
 | 
						|
sysrq.txt
 | 
						|
	- info on the magic SysRq key.
 | 
						|
target/
 | 
						|
	- directory with info on generating TCM v4 fabric .ko modules
 | 
						|
this_cpu_ops.txt
 | 
						|
	- List rationale behind and the way to use this_cpu operations.
 | 
						|
thermal/
 | 
						|
	- directory with information on managing thermal issues (CPU/temp)
 | 
						|
trace/
 | 
						|
	- directory with info on tracing technologies within linux
 | 
						|
unaligned-memory-access.txt
 | 
						|
	- info on how to avoid arch breaking unaligned memory access in code.
 | 
						|
unicode.txt
 | 
						|
	- info on the Unicode character/font mapping used in Linux.
 | 
						|
unshare.txt
 | 
						|
	- description of the Linux unshare system call.
 | 
						|
usb/
 | 
						|
	- directory with info regarding the Universal Serial Bus.
 | 
						|
vDSO/
 | 
						|
	- directory with info regarding virtual dynamic shared objects
 | 
						|
vfio.txt
 | 
						|
	- info on Virtual Function I/O used in guest/hypervisor instances.
 | 
						|
vgaarbiter.txt
 | 
						|
	- info on enable/disable the legacy decoding on different VGA devices
 | 
						|
video-output.txt
 | 
						|
	- sysfs class driver interface to enable/disable a video output device.
 | 
						|
video4linux/
 | 
						|
	- directory with info regarding video/TV/radio cards and linux.
 | 
						|
virtual/
 | 
						|
	- directory with information on the various linux virtualizations.
 | 
						|
vm/
 | 
						|
	- directory with info on the Linux vm code.
 | 
						|
vme_api.txt
 | 
						|
	- file relating info on the VME bus API in linux
 | 
						|
volatile-considered-harmful.txt
 | 
						|
	- Why the "volatile" type class should not be used
 | 
						|
w1/
 | 
						|
	- directory with documents regarding the 1-wire (w1) subsystem.
 | 
						|
watchdog/
 | 
						|
	- how to auto-reboot Linux if it has "fallen and can't get up". ;-)
 | 
						|
wimax/
 | 
						|
	- directory with info about Intel Wireless Wimax Connections
 | 
						|
workqueue.txt
 | 
						|
	- information on the Concurrency Managed Workqueue implementation
 | 
						|
ww-mutex-design.txt
 | 
						|
	- Intro to Mutex wait/would deadlock handling.s
 | 
						|
x86/x86_64/
 | 
						|
	- directory with info on Linux support for AMD x86-64 (Hammer) machines.
 | 
						|
xtensa/
 | 
						|
	- directory with documents relating to arch/xtensa port/implementation
 | 
						|
xz.txt
 | 
						|
	- how to make use of the XZ data compression within linux kernel
 | 
						|
zh_CN/
 | 
						|
	- directory with Chinese translations of various documents
 | 
						|
zorro.txt
 | 
						|
	- info on writing drivers for Zorro bus devices found on Amigas.
 |