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yaml
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r: 100412
b: refs/heads/master
c: bd3bff9
h: refs/heads/master
v: v3
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Ingo Molnar authored and Thomas Gleixner committed May 23, 2008
1 parent 985f908 commit c3fe64c
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: d14c8a680ccfdeb5e7b9be4d61162c2b373bd1e8
refs/heads/master: bd3bff9e20f454b242d979ec2f9a4dca0d5fa06f
12 changes: 2 additions & 10 deletions trunk/.gitignore
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# subdirectories here. Add them in the ".gitignore" file
# in that subdirectory instead.
#
# NOTE! Please use 'git-ls-files -i --exclude-standard'
# command after changing this file, to see if there are
# any tracked files which get ignored after the change.
#
# Normal rules
#
.*
Expand All @@ -22,21 +18,18 @@
*.lst
*.symtypes
*.order
*.elf
*.bin
*.gz

#
# Top-level generic files
#
tags
TAGS
vmlinux
vmlinux*
!vmlinux.lds.S
System.map
Module.markers
Module.symvers
!.gitignore
!.mailmap

#
# Generated include files
Expand All @@ -59,7 +52,6 @@ series

# cscope files
cscope.*
ncscope.*

*.orig
*~
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5 changes: 2 additions & 3 deletions trunk/CREDITS
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Expand Up @@ -2611,9 +2611,8 @@ S: Perth, Western Australia
S: Australia

N: Miguel Ojeda Sandonis
E: miguel.ojeda.sandonis@gmail.com
W: http://miguelojeda.es
W: http://jair.lab.fi.uva.es/~migojed/
E: maxextreme@gmail.com
W: http://maxextreme.googlepages.com/
D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers.
D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*)
S: C/ Mieses 20, 9-B
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4 changes: 0 additions & 4 deletions trunk/Documentation/ABI/testing/sysfs-class-bdi
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Expand Up @@ -14,10 +14,6 @@ MAJOR:MINOR
non-block filesystems which provide their own BDI, such as NFS
and FUSE.

MAJOR:MINOR-fuseblk

Value of st_dev on fuseblk filesystems.

default

The default backing dev, used for non-block device backed
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71 changes: 0 additions & 71 deletions trunk/Documentation/ABI/testing/sysfs-firmware-memmap
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This file was deleted.

25 changes: 0 additions & 25 deletions trunk/Documentation/DocBook/kernel-locking.tmpl
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Expand Up @@ -703,31 +703,6 @@
</sect1>
</chapter>

<chapter id="trylock-functions">
<title>The trylock Functions</title>
<para>
There are functions that try to acquire a lock only once and immediately
return a value telling about success or failure to acquire the lock.
They can be used if you need no access to the data protected with the lock
when some other thread is holding the lock. You should acquire the lock
later if you then need access to the data protected with the lock.
</para>

<para>
<function>spin_trylock()</function> does not spin but returns non-zero if
it acquires the spinlock on the first try or 0 if not. This function can
be used in all contexts like <function>spin_lock</function>: you must have
disabled the contexts that might interrupt you and acquire the spin lock.
</para>

<para>
<function>mutex_trylock()</function> does not suspend your task
but returns non-zero if it could lock the mutex on the first try
or 0 if not. This function cannot be safely used in hardware or software
interrupt contexts despite not sleeping.
</para>
</chapter>

<chapter id="Examples">
<title>Common Examples</title>
<para>
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20 changes: 14 additions & 6 deletions trunk/Documentation/DocBook/kgdb.tmpl
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Expand Up @@ -84,9 +84,10 @@
runs an instance of gdb against the vmlinux file which contains
the symbols (not boot image such as bzImage, zImage, uImage...).
In gdb the developer specifies the connection parameters and
connects to kgdb. The type of connection a developer makes with
gdb depends on the availability of kgdb I/O modules compiled as
builtin's or kernel modules in the test machine's kernel.
connects to kgdb. Depending on which kgdb I/O modules exist in
the kernel for a given architecture, it may be possible to debug
the test machine's kernel with the development machine using a
rs232 or ethernet connection.
</para>
</chapter>
<chapter id="CompilingAKernel">
Expand Down Expand Up @@ -222,7 +223,7 @@
</para>
<para>
IMPORTANT NOTE: Using this option with kgdb over the console
(kgdboc) is not supported.
(kgdboc) or kgdb over ethernet (kgdboe) is not supported.
</para>
</sect1>
</chapter>
Expand All @@ -248,11 +249,18 @@
(gdb) target remote /dev/ttyS0
</programlisting>
<para>
Example (kgdb to a terminal server on tcp port 2012):
Example (kgdb to a terminal server):
</para>
<programlisting>
% gdb ./vmlinux
(gdb) target remote 192.168.2.2:2012
(gdb) target remote udp:192.168.2.2:6443
</programlisting>
<para>
Example (kgdb over ethernet):
</para>
<programlisting>
% gdb ./vmlinux
(gdb) target remote udp:192.168.2.2:6443
</programlisting>
<para>
Once connected, you can debug a kernel the way you would debug an
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2 changes: 1 addition & 1 deletion trunk/Documentation/HOWTO
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Expand Up @@ -377,7 +377,7 @@ Bug Reporting
bugzilla.kernel.org is where the Linux kernel developers track kernel
bugs. Users are encouraged to report all bugs that they find in this
tool. For details on how to use the kernel bugzilla, please see:
http://bugzilla.kernel.org/page.cgi?id=faq.html
http://test.kernel.org/bugzilla/faq.html

The file REPORTING-BUGS in the main kernel source directory has a good
template for how to report a possible kernel bug, and details what kind
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46 changes: 0 additions & 46 deletions trunk/Documentation/SubmittingPatches
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Expand Up @@ -327,52 +327,6 @@ Some people also put extra tags at the end. They'll just be ignored for
now, but you can do this to mark internal company procedures or just
point out some special detail about the sign-off.

If you are a subsystem or branch maintainer, sometimes you need to slightly
modify patches you receive in order to merge them, because the code is not
exactly the same in your tree and the submitters'. If you stick strictly to
rule (c), you should ask the submitter to rediff, but this is a totally
counter-productive waste of time and energy. Rule (b) allows you to adjust
the code, but then it is very impolite to change one submitter's code and
make him endorse your bugs. To solve this problem, it is recommended that
you add a line between the last Signed-off-by header and yours, indicating
the nature of your changes. While there is nothing mandatory about this, it
seems like prepending the description with your mail and/or name, all
enclosed in square brackets, is noticeable enough to make it obvious that
you are responsible for last-minute changes. Example :

Signed-off-by: Random J Developer <random@developer.example.org>
[lucky@maintainer.example.org: struct foo moved from foo.c to foo.h]
Signed-off-by: Lucky K Maintainer <lucky@maintainer.example.org>

This practise is particularly helpful if you maintain a stable branch and
want at the same time to credit the author, track changes, merge the fix,
and protect the submitter from complaints. Note that under no circumstances
can you change the author's identity (the From header), as it is the one
which appears in the changelog.

Special note to back-porters: It seems to be a common and useful practise
to insert an indication of the origin of a patch at the top of the commit
message (just after the subject line) to facilitate tracking. For instance,
here's what we see in 2.6-stable :

Date: Tue May 13 19:10:30 2008 +0000

SCSI: libiscsi regression in 2.6.25: fix nop timer handling

commit 4cf1043593db6a337f10e006c23c69e5fc93e722 upstream

And here's what appears in 2.4 :

Date: Tue May 13 22:12:27 2008 +0200

wireless, airo: waitbusy() won't delay

[backport of 2.6 commit b7acbdfbd1f277c1eb23f344f899cfa4cd0bf36a]

Whatever the format, this information provides a valuable help to people
tracking your trees, and to people trying to trouble-shoot bugs in your
tree.


13) When to use Acked-by: and Cc:

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6 changes: 0 additions & 6 deletions trunk/Documentation/accounting/taskstats-struct.txt
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Expand Up @@ -24,8 +24,6 @@ There are three different groups of fields in the struct taskstats:

4) Per-task and per-thread context switch count statistics

5) Time accounting for SMT machines

Future extension should add fields to the end of the taskstats struct, and
should not change the relative position of each field within the struct.

Expand Down Expand Up @@ -166,8 +164,4 @@ struct taskstats {
__u64 nvcsw; /* Context voluntary switch counter */
__u64 nivcsw; /* Context involuntary switch counter */

5) Time accounting for SMT machines
__u64 ac_utimescaled; /* utime scaled on frequency etc */
__u64 ac_stimescaled; /* stime scaled on frequency etc */
__u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
}
4 changes: 2 additions & 2 deletions trunk/Documentation/auxdisplay/cfag12864b
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Expand Up @@ -3,7 +3,7 @@
===================================

License: GPLv2
Author & Maintainer: Miguel Ojeda Sandonis
Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com>
Date: 2006-10-27


Expand All @@ -22,7 +22,7 @@ Date: 2006-10-27
1. DRIVER INFORMATION
---------------------

This driver supports a cfag12864b LCD.
This driver support one cfag12864b display at time.


---------------------
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2 changes: 1 addition & 1 deletion trunk/Documentation/auxdisplay/cfag12864b-example.c
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Expand Up @@ -4,7 +4,7 @@
* Description: cfag12864b LCD userspace example program
* License: GPLv2
*
* Author: Copyright (C) Miguel Ojeda Sandonis
* Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com>
* Date: 2006-10-31
*
* This program is free software; you can redistribute it and/or modify
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4 changes: 2 additions & 2 deletions trunk/Documentation/auxdisplay/ks0108
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Expand Up @@ -3,7 +3,7 @@
==========================================

License: GPLv2
Author & Maintainer: Miguel Ojeda Sandonis
Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com>
Date: 2006-10-27


Expand All @@ -21,7 +21,7 @@ Date: 2006-10-27
1. DRIVER INFORMATION
---------------------

This driver supports the ks0108 LCD controller.
This driver support the ks0108 LCD controller.


---------------------
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5 changes: 0 additions & 5 deletions trunk/Documentation/cciss.txt
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Expand Up @@ -21,11 +21,6 @@ This driver is known to work with the following cards:
* SA E200
* SA E200i
* SA E500
* SA P212
* SA P410
* SA P410i
* SA P411
* SA P812

Detecting drive failures:
-------------------------
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4 changes: 0 additions & 4 deletions trunk/Documentation/cgroups.txt
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Expand Up @@ -390,10 +390,6 @@ If you have several tasks to attach, you have to do it one after another:
...
# /bin/echo PIDn > tasks

You can attach the current shell task by echoing 0:

# echo 0 > tasks

3. Kernel API
=============

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8 changes: 2 additions & 6 deletions trunk/Documentation/controllers/devices.txt
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Expand Up @@ -13,7 +13,7 @@ either an integer or * for all. Access is a composition of r
The root device cgroup starts with rwm to 'all'. A child device
cgroup gets a copy of the parent. Administrators can then remove
devices from the whitelist or add new entries. A child cgroup can
never receive a device access which is denied by its parent. However
never receive a device access which is denied its parent. However
when a device access is removed from a parent it will not also be
removed from the child(ren).

Expand All @@ -29,11 +29,7 @@ allows cgroup 1 to read and mknod the device usually known as

echo a > /cgroups/1/devices.deny

will remove the default 'a *:* rwm' entry. Doing

echo a > /cgroups/1/devices.allow

will add the 'a *:* rwm' entry to the whitelist.
will remove the default 'a *:* mrw' entry.

3. Security

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