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Merge tag 'v3.7-rc1' into staging/for_v3.8
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Linux 3.7-rc1

* tag 'v3.7-rc1': (9579 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...
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Mauro Carvalho Chehab committed Oct 17, 2012
2 parents 1fdead8 + ddffeb8 commit 214e2ca
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14 changes: 14 additions & 0 deletions .gitignore
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Expand Up @@ -14,6 +14,10 @@
*.o.*
*.a
*.s
*.ko.unsigned
*.ko.stripped
*.ko.stripped.dig
*.ko.stripped.sig
*.ko
*.so
*.so.dbg
Expand Down Expand Up @@ -84,3 +88,13 @@ GTAGS
*.orig
*~
\#*#

#
# Leavings from module signing
#
extra_certificates
signing_key.priv
signing_key.x509
signing_key.x509.keyid
signing_key.x509.signer
x509.genkey
2 changes: 0 additions & 2 deletions Documentation/00-INDEX
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Expand Up @@ -270,8 +270,6 @@ preempt-locking.txt
- info on locking under a preemptive kernel.
printk-formats.txt
- how to get printk format specifiers right
prio_tree.txt
- info on radix-priority-search-tree use for indexing vmas.
ramoops.txt
- documentation of the ramoops oops/panic logging module.
rbtree.txt
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22 changes: 0 additions & 22 deletions Documentation/ABI/obsolete/proc-pid-oom_adj
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This file was deleted.

25 changes: 21 additions & 4 deletions Documentation/ABI/testing/ima_policy
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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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14 changes: 14 additions & 0 deletions Documentation/ABI/testing/sysfs-block
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Expand Up @@ -206,3 +206,17 @@ Description:
when a discarded area is read the discard_zeroes_data
parameter will be set to one. Otherwise it will be 0 and
the result of reading a discarded area is undefined.

What: /sys/block/<disk>/queue/write_same_max_bytes
Date: January 2012
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Some devices support a write same operation in which a
single data block can be written to a range of several
contiguous blocks on storage. This can be used to wipe
areas on disk or to initialize drives in a RAID
configuration. write_same_max_bytes indicates how many
bytes can be written in a single write same command. If
write_same_max_bytes is 0, write same is not supported
by the device.

12 changes: 6 additions & 6 deletions Documentation/ABI/testing/sysfs-bus-fcoe
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Expand Up @@ -9,19 +9,19 @@ Attributes:
this value will change the dev_loss_tmo for all
FCFs discovered by this controller.

lesb_link_fail: Link Error Status Block (LESB) link failure count.
lesb/link_fail: Link Error Status Block (LESB) link failure count.

lesb_vlink_fail: Link Error Status Block (LESB) virtual link
lesb/vlink_fail: Link Error Status Block (LESB) virtual link
failure count.

lesb_miss_fka: Link Error Status Block (LESB) missed FCoE
lesb/miss_fka: Link Error Status Block (LESB) missed FCoE
Initialization Protocol (FIP) Keep-Alives (FKA).

lesb_symb_err: Link Error Status Block (LESB) symbolic error count.
lesb/symb_err: Link Error Status Block (LESB) symbolic error count.

lesb_err_block: Link Error Status Block (LESB) block error count.
lesb/err_block: Link Error Status Block (LESB) block error count.

lesb_fcs_error: Link Error Status Block (LESB) Fibre Channel
lesb/fcs_error: Link Error Status Block (LESB) Fibre Channel
Serivces error count.

Notes: ctlr_X (global increment starting at 0)
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18 changes: 12 additions & 6 deletions Documentation/ABI/testing/sysfs-bus-rbd
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Expand Up @@ -25,6 +25,10 @@ client_id

The ceph unique client id that was assigned for this specific session.

features

A hexadecimal encoding of the feature bits for this image.

major

The block device major number.
Expand All @@ -33,6 +37,11 @@ name

The name of the rbd image.

image_id

The unique id for the rbd image. (For rbd image format 1
this is empty.)

pool

The name of the storage pool where this rbd image resides.
Expand All @@ -57,12 +66,6 @@ current_snap

The current snapshot for which the device is mapped.

create_snap

Create a snapshot:

$ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create

snap_*

A directory per each snapshot
Expand All @@ -79,4 +82,7 @@ snap_size

The size of the image when this snapshot was taken.

snap_features

A hexadecimal encoding of the feature bits for this snapshot.

7 changes: 7 additions & 0 deletions Documentation/ABI/testing/sysfs-bus-usb
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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 <tianyu.lan@intel.com>
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
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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 <myungjoo.ham@samsung.com>
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 <myungjoo.ham@samsung.com>
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
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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 <broonie@opensource.wolfsonmicro.com>
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.
17 changes: 17 additions & 0 deletions Documentation/ABI/testing/sysfs-devices-firmware_node
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@@ -0,0 +1,17 @@
What: /sys/devices/.../firmware_node/
Date: September 2012
Contact: <>
Description:
The /sys/devices/.../firmware_node directory contains attributes
allowing the user space to check and modify some firmware
related properties of given device.

What: /sys/devices/.../firmware_node/description
Date: September 2012
Contact: Lance Ortiz <lance.ortiz@hp.com>
Description:
The /sys/devices/.../firmware/description attribute contains a string
that describes the device as provided by the _STR method in the ACPI
namespace. This attribute is read-only. If the device does not have
an _STR method associated with it in the ACPI namespace, this
attribute is not present.
11 changes: 11 additions & 0 deletions Documentation/ABI/testing/sysfs-devices-system-cpu
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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 <linux-kernel@vger.kernel.org>
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
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