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Commit Graph

6 Commits

Author SHA1 Message Date
Mauro Carvalho Chehab
ce3a966931 robust-futex-ABI.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- promote document title;
- use :Author: for authorship;
- mark literal blocks;
- add blank lines.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-14 13:58:03 -06:00
Henrik Austad
854ff82ab0 Documentation/robust-futex-API: Count properly to 4
A strictly monotonically increasing sequence is normally used in
numbered lists as they provide an intuitive ordering of the
elements.

However, in situations where race conditions can appear, this
assumption breaks down and you can end up with unpredictable
results, leading to a rather confusing list :-)

This changes the numbered list 1,2,2,2 to the more intuitive
1,2,3,4.

Introduced in:

  2eec9ad91f [PATCH] lightweight robust futexes: docs

Signed-off-by: Henrik Austad <henrik@austad.us>
Link: http://lkml.kernel.org/r/1385590680-8110-1-git-send-email-henrik@austad.us
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-30 14:08:28 +01:00
Matt Helsley
26c369dada futex: documentation: fix inconsistent description of futex list_op_pending
Strictly speaking list_op_pending points to the 'lock entry', not the
'lock word' (which is actually at 'offset' from 'lock entry').  We can
infer this based on reading the code in kernel/futex.c:

	    struct robust_list __user *entry, *next_entry, *pending;
		...
            if (fetch_robust_entry(&pending, &head->list_op_pending, &pip))
                    return;
            ...
            if (pending)
                    handle_futex_death((void __user *)pending + futex_offset,
                                       curr, pip);

Which is also consistent with the rest of the docs on robust futex lists.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linuxtronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-18 13:03:56 -07:00
Matt LaPlante
4ae0edc21b Fix typos in /Documentation : 'U-Z'
This patch fixes typos in various Documentation txts. The patch addresses some
+words starting with the letters 'U-Z'.

Looks like I made it through the alphabet...just in time to start over again
+too!  Maybe I can fit more profound fixes into the next round...?  Time will
+tell. :)

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-11-30 04:58:40 +01:00
Ingo Molnar
8f17d3a504 [PATCH] lightweight robust futexes updates
- fix: initialize the robust list(s) to NULL in copy_process.

- doc update

- cleanup: rename _inuser to _inatomic

- __user cleanups and other small cleanups

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:44:49 -08:00
Ingo Molnar
2eec9ad91f [PATCH] lightweight robust futexes: docs
Add robust-futex documentation.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:44:49 -08:00