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Merge commit 'v3.1-rc9' into fbdev-next
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Florian Tobias Schandinat authored and Florian Tobias Schandinat committed Oct 15, 2011
2 parents 07a0621 + 976d167 commit 07aaae4
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13 changes: 13 additions & 0 deletions Documentation/ABI/testing/sysfs-class-scsi_host
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@@ -0,0 +1,13 @@
What: /sys/class/scsi_host/hostX/isci_id
Date: June 2011
Contact: Dave Jiang <dave.jiang@intel.com>
Description:
This file contains the enumerated host ID for the Intel
SCU controller. The Intel(R) C600 Series Chipset SATA/SAS
Storage Control Unit embeds up to two 4-port controllers in
a single PCI device. The controllers are enumerated in order
which usually means the lowest number scsi_host corresponds
with the first controller, but this association is not
guaranteed. The 'isci_id' attribute unambiguously identifies
the controller index: '0' for the first controller,
'1' for the second.
38 changes: 19 additions & 19 deletions Documentation/DocBook/media/v4l/controls.xml
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Expand Up @@ -1455,7 +1455,7 @@ Applicable to the H264 encoder.</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-h264-vui-sar-idc">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_vui_sar_idc</entry>
</row>
Expand Down Expand Up @@ -1561,7 +1561,7 @@ Applicable to the H264 encoder.</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-h264-level">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LEVEL</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_level</entry>
</row>
Expand Down Expand Up @@ -1641,7 +1641,7 @@ Possible values are:</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-mpeg4-level">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_mpeg4_level</entry>
</row>
Expand Down Expand Up @@ -1689,9 +1689,9 @@ Possible values are:</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-h264-profile">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_PROFILE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_h264_profile</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_profile</entry>
</row>
<row><entry spanname="descr">The profile information for H264.
Applicable to the H264 encoder.
Expand Down Expand Up @@ -1774,9 +1774,9 @@ Possible values are:</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-mpeg4-profile">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_mpeg4_profile</entry>
<entry>enum&nbsp;v4l2_mpeg_video_mpeg4_profile</entry>
</row>
<row><entry spanname="descr">The profile information for MPEG4.
Applicable to the MPEG4 encoder.
Expand Down Expand Up @@ -1820,9 +1820,9 @@ Applicable to the encoder.
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-multi-slice-mode">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_multi_slice_mode</entry>
<entry>enum&nbsp;v4l2_mpeg_video_multi_slice_mode</entry>
</row>
<row><entry spanname="descr">Determines how the encoder should handle division of frame into slices.
Applicable to the encoder.
Expand Down Expand Up @@ -1868,9 +1868,9 @@ Applicable to the encoder.</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-h264-loop-filter-mode">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_h264_loop_filter_mode</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_loop_filter_mode</entry>
</row>
<row><entry spanname="descr">Loop filter mode for H264 encoder.
Possible values are:</entry>
Expand Down Expand Up @@ -1913,9 +1913,9 @@ Applicable to the H264 encoder.</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-h264-entropy-mode">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_h264_symbol_mode</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_entropy_mode</entry>
</row>
<row><entry spanname="descr">Entropy coding mode for H264 - CABAC/CAVALC.
Applicable to the H264 encoder.
Expand Down Expand Up @@ -2140,9 +2140,9 @@ previous frames. Applicable to the H264 encoder.</entry>
</row>

<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-video-header-mode">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_HEADER_MODE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_header_mode</entry>
<entry>enum&nbsp;v4l2_mpeg_video_header_mode</entry>
</row>
<row><entry spanname="descr">Determines whether the header is returned as the first buffer or is
it returned together with the first frame. Applicable to encoders.
Expand Down Expand Up @@ -2320,9 +2320,9 @@ Valid only when H.264 and macroblock level RC is enabled (<constant>V4L2_CID_MPE
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-mfc51-video-frame-skip-mode">
<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_mfc51_frame_skip_mode</entry>
<entry>enum&nbsp;v4l2_mpeg_mfc51_video_frame_skip_mode</entry>
</row>
<row><entry spanname="descr">
Indicates in what conditions the encoder should skip frames. If encoding a frame would cause the encoded stream to be larger then
Expand Down Expand Up @@ -2361,9 +2361,9 @@ the stream will meet tight bandwidth contraints. Applicable to encoders.
</entry>
</row>
<row><entry></entry></row>
<row>
<row id="v4l2-mpeg-mfc51-video-force-frame-type">
<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_mfc51_force_frame_type</entry>
<entry>enum&nbsp;v4l2_mpeg_mfc51_video_force_frame_type</entry>
</row>
<row><entry spanname="descr">Force a frame type for the next queued buffer. Applicable to encoders.
Possible values are:</entry>
Expand Down
85 changes: 1 addition & 84 deletions Documentation/cgroups/memory.txt
Original file line number Diff line number Diff line change
Expand Up @@ -380,7 +380,7 @@ will be charged as a new owner of it.

5.2 stat file

5.2.1 memory.stat file includes following statistics
memory.stat file includes following statistics

# per-memory cgroup local status
cache - # of bytes of page cache memory.
Expand Down Expand Up @@ -438,89 +438,6 @@ Note:
file_mapped is accounted only when the memory cgroup is owner of page
cache.)

5.2.2 memory.vmscan_stat

memory.vmscan_stat includes statistics information for memory scanning and
freeing, reclaiming. The statistics shows memory scanning information since
memory cgroup creation and can be reset to 0 by writing 0 as

#echo 0 > ../memory.vmscan_stat

This file contains following statistics.

[param]_[file_or_anon]_pages_by_[reason]_[under_heararchy]
[param]_elapsed_ns_by_[reason]_[under_hierarchy]

For example,

scanned_file_pages_by_limit indicates the number of scanned
file pages at vmscan.

Now, 3 parameters are supported

scanned - the number of pages scanned by vmscan
rotated - the number of pages activated at vmscan
freed - the number of pages freed by vmscan

If "rotated" is high against scanned/freed, the memcg seems busy.

Now, 2 reason are supported

limit - the memory cgroup's limit
system - global memory pressure + softlimit
(global memory pressure not under softlimit is not handled now)

When under_hierarchy is added in the tail, the number indicates the
total memcg scan of its children and itself.

elapsed_ns is a elapsed time in nanosecond. This may include sleep time
and not indicates CPU usage. So, please take this as just showing
latency.

Here is an example.

# cat /cgroup/memory/A/memory.vmscan_stat
scanned_pages_by_limit 9471864
scanned_anon_pages_by_limit 6640629
scanned_file_pages_by_limit 2831235
rotated_pages_by_limit 4243974
rotated_anon_pages_by_limit 3971968
rotated_file_pages_by_limit 272006
freed_pages_by_limit 2318492
freed_anon_pages_by_limit 962052
freed_file_pages_by_limit 1356440
elapsed_ns_by_limit 351386416101
scanned_pages_by_system 0
scanned_anon_pages_by_system 0
scanned_file_pages_by_system 0
rotated_pages_by_system 0
rotated_anon_pages_by_system 0
rotated_file_pages_by_system 0
freed_pages_by_system 0
freed_anon_pages_by_system 0
freed_file_pages_by_system 0
elapsed_ns_by_system 0
scanned_pages_by_limit_under_hierarchy 9471864
scanned_anon_pages_by_limit_under_hierarchy 6640629
scanned_file_pages_by_limit_under_hierarchy 2831235
rotated_pages_by_limit_under_hierarchy 4243974
rotated_anon_pages_by_limit_under_hierarchy 3971968
rotated_file_pages_by_limit_under_hierarchy 272006
freed_pages_by_limit_under_hierarchy 2318492
freed_anon_pages_by_limit_under_hierarchy 962052
freed_file_pages_by_limit_under_hierarchy 1356440
elapsed_ns_by_limit_under_hierarchy 351386416101
scanned_pages_by_system_under_hierarchy 0
scanned_anon_pages_by_system_under_hierarchy 0
scanned_file_pages_by_system_under_hierarchy 0
rotated_pages_by_system_under_hierarchy 0
rotated_anon_pages_by_system_under_hierarchy 0
rotated_file_pages_by_system_under_hierarchy 0
freed_pages_by_system_under_hierarchy 0
freed_anon_pages_by_system_under_hierarchy 0
freed_file_pages_by_system_under_hierarchy 0
elapsed_ns_by_system_under_hierarchy 0

5.3 swappiness

Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
Expand Down
8 changes: 8 additions & 0 deletions Documentation/feature-removal-schedule.txt
Original file line number Diff line number Diff line change
Expand Up @@ -592,3 +592,11 @@ Why: In 3.0, we can now autodetect internal 3G device and already have
interface that was used by acer-wmi driver. It will replaced by
information log when acer-wmi initial.
Who: Lee, Chun-Yi <jlee@novell.com>

----------------------------
What: The XFS nodelaylog mount option
When: 3.3
Why: The delaylog mode that has been the default since 2.6.39 has proven
stable, and the old code is in the way of additional improvements in
the log code.
Who: Christoph Hellwig <hch@lst.de>
14 changes: 4 additions & 10 deletions Documentation/hwmon/coretemp
Original file line number Diff line number Diff line change
Expand Up @@ -35,23 +35,17 @@ the Out-Of-Spec bit. Following table summarizes the exported sysfs files:
All Sysfs entries are named with their core_id (represented here by 'X').
tempX_input - Core temperature (in millidegrees Celsius).
tempX_max - All cooling devices should be turned on (on Core2).
Initialized with IA32_THERM_INTERRUPT. When the CPU
temperature reaches this temperature, an interrupt is
generated and tempX_max_alarm is set.
tempX_max_hyst - If the CPU temperature falls below than temperature,
an interrupt is generated and tempX_max_alarm is reset.
tempX_max_alarm - Set if the temperature reaches or exceeds tempX_max.
Reset if the temperature drops to or below tempX_max_hyst.
tempX_crit - Maximum junction temperature (in millidegrees Celsius).
tempX_crit_alarm - Set when Out-of-spec bit is set, never clears.
Correct CPU operation is no longer guaranteed.
tempX_label - Contains string "Core X", where X is processor
number. For Package temp, this will be "Physical id Y",
where Y is the package number.

The TjMax temperature is set to 85 degrees C if undocumented model specific
register (UMSR) 0xee has bit 30 set. If not the TjMax is 100 degrees C as
(sometimes) documented in processor datasheet.
On CPU models which support it, TjMax is read from a model-specific register.
On other models, it is set to an arbitrary value based on weak heuristics.
If these heuristics don't work for you, you can pass the correct TjMax value
as a module parameter (tjmax).

Appendix A. Known TjMax lists (TBD):
Some information comes from ark.intel.com
Expand Down
7 changes: 7 additions & 0 deletions Documentation/hwmon/max16065
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,13 @@ can be safely used to identify the chip. You will have to instantiate
the devices explicitly. Please see Documentation/i2c/instantiating-devices for
details.

WARNING: Do not access chip registers using the i2cdump command, and do not use
any of the i2ctools commands on a command register (0xa5 to 0xac). The chips
supported by this driver interpret any access to a command register (including
read commands) as request to execute the command in question. This may result in
power loss, board resets, and/or Flash corruption. Worst case, your board may
turn into a brick.


Sysfs entries
-------------
Expand Down
2 changes: 2 additions & 0 deletions Documentation/ioctl/ioctl-number.txt
Original file line number Diff line number Diff line change
Expand Up @@ -319,4 +319,6 @@ Code Seq#(hex) Include File Comments
<mailto:thomas@winischhofer.net>
0xF4 00-1F video/mbxfb.h mbxfb
<mailto:raph@8d.com>
0xF6 all LTTng Linux Trace Toolkit Next Generation
<mailto:mathieu.desnoyers@efficios.com>
0xFD all linux/dm-ioctl.h
9 changes: 6 additions & 3 deletions Documentation/kernel-parameters.txt
Original file line number Diff line number Diff line change
Expand Up @@ -2086,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Override pmtimer IOPort with a hex value.
e.g. pmtmr=0x508

pnp.debug [PNP]
Enable PNP debug messages. This depends on the
CONFIG_PNP_DEBUG_MESSAGES option.
pnp.debug=1 [PNP]
Enable PNP debug messages (depends on the
CONFIG_PNP_DEBUG_MESSAGES option). Change at run-time
via /sys/module/pnp/parameters/debug. We always show
current resource usage; turning this on also shows
possible settings and some assignment information.

pnpacpi= [ACPI]
{ off }
Expand Down
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