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r: 174434
b: refs/heads/master
c: ab1831b
h: refs/heads/master
v: v3
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Linus Torvalds committed Dec 10, 2009
1 parent 2c3e50e commit 86ce471
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: bc2c0303226ec716854d3c208c7f84fe7aa35cd7
refs/heads/master: ab1831b0b87851c874a75e4b3a8538e3d76b37d7
1 change: 1 addition & 0 deletions trunk/.gitignore
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Expand Up @@ -25,6 +25,7 @@
*.elf
*.bin
*.gz
*.bz2
*.lzma
*.patch
*.gcno
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8 changes: 8 additions & 0 deletions trunk/Documentation/ABI/stable/sysfs-driver-qla2xxx
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What: /sys/bus/pci/drivers/qla2xxx/.../devices/*
Date: September 2009
Contact: QLogic Linux Driver <linux-driver@qlogic.com>
Description: qla2xxx-udev.sh currently looks for uevent CHANGE events to
signal a firmware-dump has been generated by the driver and is
ready for retrieval.
Users: qla2xxx-udev.sh. Proposed changes should be mailed to
linux-driver@qlogic.com
2 changes: 1 addition & 1 deletion trunk/Documentation/ABI/testing/procfs-diskstats
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Expand Up @@ -8,7 +8,7 @@ Description:
1 - major number
2 - minor mumber
3 - device name
4 - reads completed succesfully
4 - reads completed successfully
5 - reads merged
6 - sectors read
7 - time spent reading (ms)
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2 changes: 1 addition & 1 deletion trunk/Documentation/ABI/testing/sysfs-block
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Expand Up @@ -4,7 +4,7 @@ Contact: Jerome Marchand <jmarchan@redhat.com>
Description:
The /sys/block/<disk>/stat files displays the I/O
statistics of disk <disk>. They contain 11 fields:
1 - reads completed succesfully
1 - reads completed successfully
2 - reads merged
3 - sectors read
4 - time spent reading (ms)
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18 changes: 0 additions & 18 deletions trunk/Documentation/ABI/testing/sysfs-devices-cache_disable

This file was deleted.

156 changes: 156 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
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What: /sys/devices/system/cpu/
Date: pre-git history
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description:
A collection of both global and individual CPU attributes

Individual CPU attributes are contained in subdirectories
named by the kernel's logical CPU number, e.g.:

/sys/devices/system/cpu/cpu#/

What: /sys/devices/system/cpu/sched_mc_power_savings
/sys/devices/system/cpu/sched_smt_power_savings
Date: June 2006
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Discover and adjust the kernel's multi-core scheduler support.

Possible values are:

0 - No power saving load balance (default value)
1 - Fill one thread/core/package first for long running threads
2 - Also bias task wakeups to semi-idle cpu package for power
savings

sched_mc_power_savings is dependent upon SCHED_MC, which is
itself architecture dependent.

sched_smt_power_savings is dependent upon SCHED_SMT, which
is itself architecture dependent.

The two files are independent of each other. It is possible
that one file may be present without the other.

Introduced by git commit 5c45bf27.


What: /sys/devices/system/cpu/kernel_max
/sys/devices/system/cpu/offline
/sys/devices/system/cpu/online
/sys/devices/system/cpu/possible
/sys/devices/system/cpu/present
Date: December 2008
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: CPU topology files that describe kernel limits related to
hotplug. Briefly:

kernel_max: the maximum cpu index allowed by the kernel
configuration.

offline: cpus that are not online because they have been
HOTPLUGGED off or exceed the limit of cpus allowed by the
kernel configuration (kernel_max above).

online: cpus that are online and being scheduled.

possible: cpus that have been allocated resources and can be
brought online if they are present.

present: cpus that have been identified as being present in
the system.

See Documentation/cputopology.txt for more information.



What: /sys/devices/system/cpu/cpu#/node
Date: October 2009
Contact: Linux memory management mailing list <linux-mm@kvack.org>
Description: Discover NUMA node a CPU belongs to

When CONFIG_NUMA is enabled, a symbolic link that points
to the corresponding NUMA node directory.

For example, the following symlink is created for cpu42
in NUMA node 2:

/sys/devices/system/cpu/cpu42/node2 -> ../../node/node2


What: /sys/devices/system/cpu/cpu#/topology/core_id
/sys/devices/system/cpu/cpu#/topology/core_siblings
/sys/devices/system/cpu/cpu#/topology/core_siblings_list
/sys/devices/system/cpu/cpu#/topology/physical_package_id
/sys/devices/system/cpu/cpu#/topology/thread_siblings
/sys/devices/system/cpu/cpu#/topology/thread_siblings_list
Date: December 2008
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: CPU topology files that describe a logical CPU's relationship
to other cores and threads in the same physical package.

One cpu# directory is created per logical CPU in the system,
e.g. /sys/devices/system/cpu/cpu42/.

Briefly, the files above are:

core_id: the CPU core ID of cpu#. Typically it is the
hardware platform's identifier (rather than the kernel's).
The actual value is architecture and platform dependent.

core_siblings: internal kernel map of cpu#'s hardware threads
within the same physical_package_id.

core_siblings_list: human-readable list of the logical CPU
numbers within the same physical_package_id as cpu#.

physical_package_id: physical package id of cpu#. Typically
corresponds to a physical socket number, but the actual value
is architecture and platform dependent.

thread_siblings: internel kernel map of cpu#'s hardware
threads within the same core as cpu#

thread_siblings_list: human-readable list of cpu#'s hardware
threads within the same core as cpu#

See Documentation/cputopology.txt for more information.


What: /sys/devices/system/cpu/cpuidle/current_driver
/sys/devices/system/cpu/cpuidle/current_governer_ro
Date: September 2007
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Discover cpuidle policy and mechanism

Various CPUs today support multiple idle levels that are
differentiated by varying exit latencies and power
consumption during idle.

Idle policy (governor) is differentiated from idle mechanism
(driver)

current_driver: displays current idle mechanism

current_governor_ro: displays current idle policy

See files in Documentation/cpuidle/ for more information.


What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
Date: August 2008
KernelVersion: 2.6.27
Contact: mark.langsdorf@amd.com
Description: These files exist in every cpu's cache index directories.
There are currently 2 cache_disable_# files in each
directory. Reading from these files on a supported
processor will return that cache disable index value
for that processor and node. Writing to one of these
files will cause the specificed cache index to be disabled.

Currently, only AMD Family 10h Processors support cache index
disable, and only for their L3 caches. See the BIOS and
Kernel Developer's Guide at
http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf
for formatting information and other details on the
cache index disable.
Users: joachim.deguara@amd.com
6 changes: 3 additions & 3 deletions trunk/Documentation/DMA-mapping.txt
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Expand Up @@ -214,7 +214,7 @@ most specific mask.
Here is pseudo-code showing how this might be done:

#define PLAYBACK_ADDRESS_BITS DMA_BIT_MASK(32)
#define RECORD_ADDRESS_BITS 0x00ffffff
#define RECORD_ADDRESS_BITS DMA_BIT_MASK(24)

struct my_sound_card *card;
struct pci_dev *pdev;
Expand All @@ -224,14 +224,14 @@ Here is pseudo-code showing how this might be done:
card->playback_enabled = 1;
} else {
card->playback_enabled = 0;
printk(KERN_WARN "%s: Playback disabled due to DMA limitations.\n",
printk(KERN_WARNING "%s: Playback disabled due to DMA limitations.\n",
card->name);
}
if (!pci_set_dma_mask(pdev, RECORD_ADDRESS_BITS)) {
card->record_enabled = 1;
} else {
card->record_enabled = 0;
printk(KERN_WARN "%s: Record disabled due to DMA limitations.\n",
printk(KERN_WARNING "%s: Record disabled due to DMA limitations.\n",
card->name);
}

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13 changes: 13 additions & 0 deletions trunk/Documentation/DocBook/device-drivers.tmpl
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Expand Up @@ -293,10 +293,23 @@ X!Idrivers/video/console/fonts.c

<chapter id="input_subsystem">
<title>Input Subsystem</title>
<sect1><title>Input core</title>
!Iinclude/linux/input.h
!Edrivers/input/input.c
!Edrivers/input/ff-core.c
!Edrivers/input/ff-memless.c
</sect1>
<sect1><title>Polled input devices</title>
!Iinclude/linux/input-polldev.h
!Edrivers/input/input-polldev.c
</sect1>
<sect1><title>Matrix keyboars/keypads</title>
!Iinclude/linux/input/matrix_keypad.h
</sect1>
<sect1><title>Sparse keymap support</title>
!Iinclude/linux/input/sparse-keymap.h
!Edrivers/input/sparse-keymap.c
</sect1>
</chapter>

<chapter id="spi">
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13 changes: 13 additions & 0 deletions trunk/Documentation/DocBook/dvb/dvbapi.xml
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Expand Up @@ -29,6 +29,14 @@

<revhistory>
<!-- Put document revisions here, newest first. -->
<revision>
<revnumber>2.0.2</revnumber>
<date>2009-10-25</date>
<authorinitials>mcc</authorinitials>
<revremark>
documents FE_SET_FRONTEND_TUNE_MODE and FE_DISHETWORK_SEND_LEGACY_CMD ioctls.
</revremark>
</revision>
<revision>
<revnumber>2.0.1</revnumber>
<date>2009-09-16</date>
Expand Down Expand Up @@ -85,3 +93,8 @@ Added ISDB-T test originally written by Patrick Boettcher
&sub-examples;
</chapter>
<!-- END OF CHAPTERS -->
<appendix id="frontend_h">
<title>DVB Frontend Header File</title>
&sub-frontend-h;
</appendix>

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<section id="FE_GET_PROPERTY">
<title>FE_GET_PROPERTY/FE_SET_PROPERTY</title>

<section id="isdbt">
<title>ISDB-T frontend</title>
<para>This section describes shortly what are the possible parameters in the Linux
Expand Down Expand Up @@ -312,3 +315,4 @@
</section>
</section>
</section>
</section>
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