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Merge branch 'disintegrate-asm-generic' of git://git.infradead.org/us…
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…ers/dhowells/linux-headers into asm-generic

Patches from David Howells <[email protected]>:

This is to complete part of the UAPI disintegration for which the
preparatory patches were pulled recently.

Note that there are some fixup patches which are at the base of the
branch aimed at you, plus all arches get the asm-generic branch merged in too.

* 'disintegrate-asm-generic' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: (Scripted) Disintegrate include/asm-generic
  UAPI: Fix conditional header installation handling (notably kvm_para.h on m68k)
  c6x: remove c6x signal.h
  UAPI: Split compound conditionals containing __KERNEL__ in Arm64
  UAPI: Fix the guards on various asm/unistd.h files

Signed-off-by: Arnd Bergmann <[email protected]>
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25 changes: 21 additions & 4 deletions Documentation/ABI/testing/ima_policy
Original file line number Diff line number Diff line change
Expand Up @@ -12,48 +12,65 @@ Description:
then closing the file. The new policy takes effect after
the file ima/policy is closed.

IMA appraisal, if configured, uses these file measurements
for local measurement appraisal.

rule format: action [condition ...]

action: measure | dont_measure
action: measure | dont_measure | appraise | dont_appraise | audit
condition:= base | lsm
base: [[func=] [mask=] [fsmagic=] [uid=]]
base: [[func=] [mask=] [fsmagic=] [uid=] [fowner]]
lsm: [[subj_user=] [subj_role=] [subj_type=]
[obj_user=] [obj_role=] [obj_type=]]

base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK]
mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC]
fsmagic:= hex value
uid:= decimal value
fowner:=decimal value
lsm: are LSM specific

default policy:
# PROC_SUPER_MAGIC
dont_measure fsmagic=0x9fa0
dont_appraise fsmagic=0x9fa0
# SYSFS_MAGIC
dont_measure fsmagic=0x62656572
dont_appraise fsmagic=0x62656572
# DEBUGFS_MAGIC
dont_measure fsmagic=0x64626720
dont_appraise fsmagic=0x64626720
# TMPFS_MAGIC
dont_measure fsmagic=0x01021994
dont_appraise fsmagic=0x01021994
# RAMFS_MAGIC
dont_measure fsmagic=0x858458f6
dont_appraise fsmagic=0x858458f6
# SECURITYFS_MAGIC
dont_measure fsmagic=0x73636673
dont_appraise fsmagic=0x73636673

measure func=BPRM_CHECK
measure func=FILE_MMAP mask=MAY_EXEC
measure func=FILE_CHECK mask=MAY_READ uid=0
appraise fowner=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 do_filp_open. The default appraisal
policy appraises all files owned by root.

Examples of LSM specific definitions:

SELinux:
# SELINUX_MAGIC
dont_measure fsmagic=0xF97CFF8C
dont_measure fsmagic=0xf97cff8c
dont_appraise fsmagic=0xf97cff8c

dont_measure obj_type=var_log_t
dont_appraise obj_type=var_log_t
dont_measure obj_type=auditd_log_t
dont_appraise 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

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7 changes: 7 additions & 0 deletions Documentation/ABI/testing/sysfs-bus-usb
Original file line number Diff line number Diff line change
Expand Up @@ -220,3 +220,10 @@ Description:
If the device doesn't support LTM, the file will read "no".
The file will be present for all speeds of USB devices, and will
always read "no" for USB 1.1 and USB 2.0 devices.

What: /sys/bus/usb/devices/.../(hub interface)/portX
Date: August 2012
Contact: Lan Tianyu <[email protected]>
Description:
The /sys/bus/usb/devices/.../(hub interface)/portX
is usb port device's sysfs directory.
22 changes: 11 additions & 11 deletions Documentation/ABI/testing/sysfs-class-extcon
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ Description:
accessory cables have such capability. For example,
the 30-pin port of Nuri board (/arch/arm/mach-exynos)
may have both HDMI and Charger attached, or analog audio,
video, and USB cables attached simulteneously.
video, and USB cables attached simultaneously.

If there are cables mutually exclusive with each other,
such binary relations may be expressed with extcon_dev's
Expand All @@ -35,7 +35,7 @@ Description:
The /sys/class/extcon/.../state shows and stores the cable
attach/detach information of the corresponding extcon object.
If the extcon object has an optional callback "show_state"
defined, the showing function is overriden with the optional
defined, the showing function is overridden with the optional
callback.

If the default callback for showing function is used, the
Expand All @@ -46,19 +46,19 @@ Description:
TA=1
EAR_JACK=0
#
In this example, the extcon device have USB_OTG and TA
In this example, the extcon device has USB_OTG and TA
cables attached and HDMI and EAR_JACK cables detached.

In order to update the state of an extcon device, enter a hex
state number starting with 0x.
echo 0xHEX > state
state number starting with 0x:
# echo 0xHEX > state

This updates the whole state of the extcon dev.
This updates the whole state of the extcon device.
Inputs of all the methods are required to meet the
mutually_exclusive contidions if they exist.
mutually_exclusive conditions if they exist.

It is recommended to use this "global" state interface if
you need to enter the value atomically. The later state
you need to set the value atomically. The later state
interface associated with each cable cannot update
multiple cable states of an extcon device simultaneously.

Expand All @@ -73,7 +73,7 @@ What: /sys/class/extcon/.../cable.x/state
Date: February 2012
Contact: MyungJoo Ham <[email protected]>
Description:
The /sys/class/extcon/.../cable.x/name shows and stores the
The /sys/class/extcon/.../cable.x/state shows and stores the
state of cable "x" (integer between 0 and 31) of an extcon
device. The state value is either 0 (detached) or 1
(attached).
Expand All @@ -83,8 +83,8 @@ Date: December 2011
Contact: MyungJoo Ham <[email protected]>
Description:
Shows the relations of mutually exclusiveness. For example,
if the mutually_exclusive array of extcon_dev is
{0x3, 0x5, 0xC, 0x0}, the, the output is:
if the mutually_exclusive array of extcon device is
{0x3, 0x5, 0xC, 0x0}, then the output is:
# ls mutually_exclusive/
0x3
0x5
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21 changes: 21 additions & 0 deletions Documentation/ABI/testing/sysfs-class-regulator
Original file line number Diff line number Diff line change
Expand Up @@ -349,3 +349,24 @@ Description:

This will be one of the same strings reported by
the "state" attribute.

What: /sys/class/regulator/.../bypass
Date: September 2012
KernelVersion: 3.7
Contact: Mark Brown <[email protected]>
Description:
Some regulator directories will contain a field called
bypass. This indicates if the device is in bypass mode.

This will be one of the following strings:

'enabled'
'disabled'
'unknown'

'enabled' means the regulator is in bypass mode.

'disabled' means that the regulator is regulating.

'unknown' means software cannot determine the state, or
the reported state is invalid.
11 changes: 11 additions & 0 deletions Documentation/ABI/testing/sysfs-devices-system-cpu
Original file line number Diff line number Diff line change
Expand Up @@ -176,3 +176,14 @@ Description: Disable L3 cache indices
All AMD processors with L3 caches provide this functionality.
For details, see BKDGs at
http://developer.amd.com/documentation/guides/Pages/default.aspx


What: /sys/devices/system/cpu/cpufreq/boost
Date: August 2012
Contact: Linux kernel mailing list <[email protected]>
Description: Processor frequency boosting control

This switch controls the boost setting for the whole system.
Boosting allows the CPU and the firmware to run at a frequency
beyound it's nominal limit.
More details can be found in Documentation/cpu-freq/boost.txt
70 changes: 70 additions & 0 deletions Documentation/ABI/testing/sysfs-driver-ppi
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@@ -0,0 +1,70 @@
What: /sys/devices/pnp0/<bus-num>/ppi/
Date: August 2012
Kernel Version: 3.6
Contact: [email protected]
Description:
This folder includes the attributes related with PPI (Physical
Presence Interface). Only if TPM is supported by BIOS, this
folder makes sence. The folder path can be got by command
'find /sys/ -name 'pcrs''. For the detail information of PPI,
please refer to the PPI specification from
http://www.trustedcomputinggroup.org/

What: /sys/devices/pnp0/<bus-num>/ppi/version
Date: August 2012
Contact: [email protected]
Description:
This attribute shows the version of the PPI supported by the
platform.
This file is readonly.

What: /sys/devices/pnp0/<bus-num>/ppi/request
Date: August 2012
Contact: [email protected]
Description:
This attribute shows the request for an operation to be
executed in the pre-OS environment. It is the only input from
the OS to the pre-OS environment. The request should be an
integer value range from 1 to 160, and 0 means no request.
This file can be read and written.

What: /sys/devices/pnp0/00:<bus-num>/ppi/response
Date: August 2012
Contact: [email protected]
Description:
This attribute shows the response to the most recent operation
request it acted upon. The format is "<request> <response num>
: <response description>".
This file is readonly.

What: /sys/devices/pnp0/<bus-num>/ppi/transition_action
Date: August 2012
Contact: [email protected]
Description:
This attribute shows the platform-specific action that should
take place in order to transition to the BIOS for execution of
a requested operation. The format is "<action num>: <action
description>".
This file is readonly.

What: /sys/devices/pnp0/<bus-num>/ppi/tcg_operations
Date: August 2012
Contact: [email protected]
Description:
This attribute shows whether it is allowed to request an
operation to be executed in the pre-OS environment by the BIOS
for the requests defined by TCG, i.e. requests from 1 to 22.
The format is "<request> <status num>: <status description>".
This attribute is only supported by PPI version 1.2+.
This file is readonly.

What: /sys/devices/pnp0/<bus-num>/ppi/vs_operations
Date: August 2012
Contact: [email protected]
Description:
This attribute shows whether it is allowed to request an
operation to be executed in the pre-OS environment by the BIOS
for the verdor specific requests, i.e. requests from 128 to
255. The format is same with tcg_operations. This attribute
is also only supported by PPI version 1.2+.
This file is readonly.
13 changes: 13 additions & 0 deletions Documentation/ABI/testing/sysfs-driver-wacom
Original file line number Diff line number Diff line change
@@ -1,3 +1,16 @@
WWhat: /sys/class/hidraw/hidraw*/device/oled*_img
Date: June 2012
Contact: [email protected]
Description:
The /sys/class/hidraw/hidraw*/device/oled*_img files control
OLED mocro displays on Intuos4 Wireless tablet. Accepted image
has to contain 256 bytes (64x32 px 1 bit colour). The format
is the same as PBM image 62x32px without header (64 bits per
horizontal line, 32 lines). An example of setting OLED No. 0:
dd bs=256 count=1 if=img_file of=[path to oled0_img]/oled0_img
The attribute is read only and no local copy of the image is
stored.

What: /sys/class/hidraw/hidraw*/device/speed
Date: April 2010
Kernel Version: 2.6.35
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6 changes: 5 additions & 1 deletion Documentation/ABI/testing/sysfs-ptp
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,11 @@ Date: September 2010
Contact: Richard Cochran <[email protected]>
Description:
This file contains the name of the PTP hardware clock
as a human readable string.
as a human readable string. The purpose of this
attribute is to provide the user with a "friendly
name" and to help distinguish PHY based devices from
MAC based ones. The string does not necessarily have
to be any kind of unique id.

What: /sys/class/ptp/ptpN/max_adjustment
Date: September 2010
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9 changes: 9 additions & 0 deletions Documentation/ABI/testing/sysfs-tty
Original file line number Diff line number Diff line change
Expand Up @@ -17,3 +17,12 @@ Description:
device, like 'tty1'.
The file supports poll() to detect virtual
console switches.

What: /sys/class/tty/ttyS0/uartclk
Date: Sep 2012
Contact: Tomas Hlavacek <[email protected]>
Description:
Shows the current uartclk value associated with the
UART port in serial_core, that is bound to TTY like ttyS0.
uartclk = 16 * baud_base

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