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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6

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Pull documentation updates from Jonathan Corbet:
 "Highlights this time around include:

   - A thrashing of SubmittingPatches to bring it out of the "send
     everything to Linus" era of kernel development.

   - A new document on completions from Nicholas McGuire

   - Lots of typo fixes, formatting improvements, corrections, build
     fixes, and more"

* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (35 commits)
  Documentation: Fix the wrong command `echo -1 > set_ftrace_pid` for cleaning the filter.
  can-doc: Fixed a wrong filepath in can.txt
  Documentation: Fix trivial typo in comment.
  kgdb,docs: Fix typo and minor style issues
  Documentation: add description for FTRACE probe status
  doc: brief user documentation for completion
  Documentation/misc-devices/mei: Fix indentation of embedded code.
  Documentation/misc-devices/mei: Fix indentation of enumeration.
  Documentation/misc-devices/mei: Fix spacing around parentheses.
  Documentation/misc-devices/mei: Fix formatting of headings.
  Documentation: devicetree: Fix double words in Doumentation/devicetree
  Documentation: mm: Fix typo in vm.txt
  lockstat: Add documentation on contention and contenting points
  Documentation: fix blackfin gptimers-example build errors
  Fixes column alignment in table of contents entry 1.9 in Documentation/filesystems/proc.txt
  CodingStyle: enable emacs display of trailing whitespace
  DocBook: Do not exceed argument list limit
  gpio: board.txt: Fix the gpio name example
  Documentation/SubmittingPatches: unify whitespace/tabs for the DCO
  MAINTAINERS: Add the docs-next git tree to the maintainer entry
  ...
This commit is contained in:
Linus Torvalds
2015-02-11 13:03:11 -08:00
parent bfe9183fdc 52e68924df
commit 73b4f63aeb
35 changed files with 658 additions and 382 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/locking/00-INDEX
+16
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@@ -0,0 +1,16 @@
00-INDEX
- this file.
lockdep-design.txt
- documentation on the runtime locking correctness validator.
lockstat.txt
- info on collecting statistics on locks (and contention).
mutex-design.txt
- info on the generic mutex subsystem.
rt-mutex-design.txt
- description of the RealTime mutex implementation design.
rt-mutex.txt
- desc. of RT-mutex subsystem with PI (Priority Inheritance) support.
spinlocks.txt
- info on using spinlocks to provide exclusive access in kernel.
ww-mutex-design.txt
- Intro to Mutex wait/would deadlock handling.s
Documentation/locking/lockstat.txt
+5
View File
@@ -121,6 +121,11 @@ show the header with column descriptions. Lines 05-18 and 20-31 show the actual
statistics. These statistics come in two parts; the actual stats separated by a
short separator (line 08, 13) from the contention points.
Lines 09-12 show the first 4 recorded contention points (the code
which tries to get the lock) and lines 14-17 show the first 4 recorded
contended points (the lock holder). It is possible that the max
con-bounces point is missing in the statistics.
The first lock (05-18) is a read/write lock, and shows two lines above the
short separator. The contention points don't match the column descriptors,
they have two: contentions and [<IP>] symbol. The second set of contention