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r: 189805
b: refs/heads/master
c: ab6e241
h: refs/heads/master
i:
  189803: 1d47c14
v: v3
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Josef Bacik authored and Chris Mason committed Apr 5, 2010
1 parent 4ac0dfc commit c9babdc
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 6a945f38be5f2c198853069a336c887a51d1a238
refs/heads/master: ab6e24103cbd215e922938a4f58c75194761a60e
25 changes: 12 additions & 13 deletions trunk/.gitignore
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Expand Up @@ -22,7 +22,6 @@
*.lst
*.symtypes
*.order
modules.builtin
*.elf
*.bin
*.gz
Expand All @@ -34,26 +33,26 @@ modules.builtin
#
# Top-level generic files
#
/tags
/TAGS
/linux
/vmlinux
/vmlinuz
/System.map
/Module.markers
/Module.symvers

#
# git files that we don't want to ignore even it they are dot-files
#
tags
TAGS
vmlinux
System.map
Module.markers
Module.symvers
!.gitignore
!.mailmap

#
# Generated include files
#
include/asm
include/asm-*/asm-offsets.h
include/config
include/linux/autoconf.h
include/linux/compile.h
include/linux/version.h
include/linux/utsrelease.h
include/linux/bounds.h
include/generated

# stgit generated dirs
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7 changes: 0 additions & 7 deletions trunk/Documentation/ABI/stable/sysfs-devices-node
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8 changes: 0 additions & 8 deletions trunk/Documentation/ABI/stable/sysfs-driver-qla2xxx
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12 changes: 6 additions & 6 deletions trunk/Documentation/ABI/testing/ima_policy
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Expand Up @@ -20,7 +20,7 @@ Description:
lsm: [[subj_user=] [subj_role=] [subj_type=]
[obj_user=] [obj_role=] [obj_type=]]

base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK]
base: func:= [BPRM_CHECK][FILE_MMAP][INODE_PERMISSION]
mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC]
fsmagic:= hex value
uid:= decimal value
Expand All @@ -40,11 +40,11 @@ Description:

measure func=BPRM_CHECK
measure func=FILE_MMAP mask=MAY_EXEC
measure func=FILE_CHECK mask=MAY_READ uid=0
measure func=INODE_PERM mask=MAY_READ uid=0

The default policy measures all executables in bprm_check,
all files mmapped executable in file_mmap, and all files
open for read by root in do_filp_open.
open for read by root in inode_permission.

Examples of LSM specific definitions:

Expand All @@ -54,8 +54,8 @@ Description:

dont_measure obj_type=var_log_t
dont_measure obj_type=auditd_log_t
measure subj_user=system_u func=FILE_CHECK mask=MAY_READ
measure subj_role=system_r func=FILE_CHECK mask=MAY_READ
measure subj_user=system_u func=INODE_PERM mask=MAY_READ
measure subj_role=system_r func=INODE_PERM mask=MAY_READ

Smack:
measure subj_user=_ func=FILE_CHECK mask=MAY_READ
measure subj_user=_ func=INODE_PERM mask=MAY_READ
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 successfully
4 - reads completed succesfully
5 - reads merged
6 - sectors read
7 - time spent reading (ms)
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16 changes: 1 addition & 15 deletions 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 successfully
1 - reads completed succesfully
2 - reads merged
3 - sectors read
4 - time spent reading (ms)
Expand Down Expand Up @@ -128,17 +128,3 @@ Description:
preferred request size for workloads where sustained
throughput is desired. If no optimal I/O size is
reported this file contains 0.

What: /sys/block/<disk>/queue/nomerges
Date: January 2010
Contact:
Description:
Standard I/O elevator operations include attempts to
merge contiguous I/Os. For known random I/O loads these
attempts will always fail and result in extra cycles
being spent in the kernel. This allows one to turn off
this behavior on one of two ways: When set to 1, complex
merge checks are disabled, but the simple one-shot merges
with the previous I/O request are enabled. When set to 2,
all merge tries are disabled. The default value is 0 -
which enables all types of merge tries.
42 changes: 8 additions & 34 deletions trunk/Documentation/ABI/testing/sysfs-bus-usb
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Expand Up @@ -21,27 +21,25 @@ Contact: Alan Stern <stern@rowland.harvard.edu>
Description:
Each USB device directory will contain a file named
power/level. This file holds a power-level setting for
the device, either "on" or "auto".
the device, one of "on", "auto", or "suspend".

"on" means that the device is not allowed to autosuspend,
although normal suspends for system sleep will still
be honored. "auto" means the device will autosuspend
and autoresume in the usual manner, according to the
capabilities of its driver.
capabilities of its driver. "suspend" means the device
is forced into a suspended state and it will not autoresume
in response to I/O requests. However remote-wakeup requests
from the device may still be enabled (the remote-wakeup
setting is controlled separately by the power/wakeup
attribute).

During normal use, devices should be left in the "auto"
level. The "on" level is meant for administrative uses.
level. The other levels are meant for administrative uses.
If you want to suspend a device immediately but leave it
free to wake up in response to I/O requests, you should
write "0" to power/autosuspend.

Device not capable of proper suspend and resume should be
left in the "on" level. Although the USB spec requires
devices to support suspend/resume, many of them do not.
In fact so many don't that by default, the USB core
initializes all non-hub devices in the "on" level. Some
drivers may change this setting when they are bound.

What: /sys/bus/usb/devices/.../power/persist
Date: May 2007
KernelVersion: 2.6.23
Expand Down Expand Up @@ -146,27 +144,3 @@ Description:

Write a 1 to force the device to disconnect
(equivalent to unplugging a wired USB device).

What: /sys/bus/usb/drivers/.../remove_id
Date: November 2009
Contact: CHENG Renquan <rqcheng@smu.edu.sg>
Description:
Writing a device ID to this file will remove an ID
that was dynamically added via the new_id sysfs entry.
The format for the device ID is:
idVendor idProduct. After successfully
removing an ID, the driver will no longer support the
device. This is useful to ensure auto probing won't
match the driver to the device. For example:
# echo "046d c315" > /sys/bus/usb/drivers/foo/remove_id

What: /sys/bus/usb/device/.../avoid_reset_quirk
Date: December 2009
Contact: Oliver Neukum <oliver@neukum.org>
Description:
Writing 1 to this file tells the kernel that this
device will morph into another mode when it is reset.
Drivers will not use reset for error handling for
such devices.
Users:
usb_modeswitch
13 changes: 0 additions & 13 deletions trunk/Documentation/ABI/testing/sysfs-class-uwb_rc-wusbhc
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Expand Up @@ -23,16 +23,3 @@ Description:
Since this relates to security (specifically, the
lifetime of PTKs and GTKs) it should not be changed
from the default.

What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_phy_rate
Date: August 2009
KernelVersion: 2.6.32
Contact: David Vrabel <david.vrabel@csr.com>
Description:
The maximum PHY rate to use for all connected devices.
This is only of limited use for testing and
development as the hardware's automatic rate
adaptation is better then this simple control.

Refer to [ECMA-368] section 10.3.1.1 for the value to
use.
14 changes: 1 addition & 13 deletions trunk/Documentation/ABI/testing/sysfs-devices-memory
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Expand Up @@ -60,19 +60,6 @@ Description:
Users: hotplug memory remove tools
https://w3.opensource.ibm.com/projects/powerpc-utils/


What: /sys/devices/system/memoryX/nodeY
Date: October 2009
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
When CONFIG_NUMA is enabled, a symbolic link that
points to the corresponding NUMA node directory.

For example, the following symbolic link is created for
memory section 9 on node0:
/sys/devices/system/memory/memory9/node0 -> ../../node/node0


What: /sys/devices/system/node/nodeX/memoryY
Date: September 2008
Contact: Gary Hade <garyhade@us.ibm.com>
Expand All @@ -83,3 +70,4 @@ Description:
memory section directory. For example, the following symbolic
link is created for memory section 9 on node0.
/sys/devices/system/node/node0/memory9 -> ../../memory/memory9

79 changes: 0 additions & 79 deletions trunk/Documentation/ABI/testing/sysfs-devices-power
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47 changes: 0 additions & 47 deletions trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
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Expand Up @@ -62,35 +62,6 @@ Description: CPU topology files that describe kernel limits related to
See Documentation/cputopology.txt for more information.


What: /sys/devices/system/cpu/probe
/sys/devices/system/cpu/release
Date: November 2009
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Dynamic addition and removal of CPU's. This is not hotplug
removal, this is meant complete removal/addition of the CPU
from the system.

probe: writes to this file will dynamically add a CPU to the
system. Information written to the file to add CPU's is
architecture specific.

release: writes to this file dynamically remove a CPU from
the system. Information writtento the file to remove CPU's
is architecture specific.

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#/node
Date: October 2009
Expand Down Expand Up @@ -165,24 +136,6 @@ Description: Discover cpuidle policy and mechanism
See files in Documentation/cpuidle/ for more information.


What: /sys/devices/system/cpu/cpu#/cpufreq/*
Date: pre-git history
Contact: cpufreq@vger.kernel.org
Description: Discover and change clock speed of CPUs

Clock scaling allows you to change the clock speed of the
CPUs on the fly. This is a nice method to save battery
power, because the lower the clock speed, the less power
the CPU consumes.

There are many knobs to tweak in this directory.

See files in Documentation/cpu-freq/ for more information.

In particular, read Documentation/cpu-freq/user-guide.txt
to learn how to control the knobs.


What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
Date: August 2008
KernelVersion: 2.6.27
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