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David S. Miller committed Aug 22, 2012
2 parents 1d76efe + 23dcfa6 commit 1304a73
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11 changes: 11 additions & 0 deletions Documentation/ABI/testing/sysfs-platform-ideapad-laptop
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Expand Up @@ -5,4 +5,15 @@ Contact: "Ike Panhc <ike.pan@canonical.com>"
Description:
Control the power of camera module. 1 means on, 0 means off.

What: /sys/devices/platform/ideapad/fan_mode
Date: June 2012
KernelVersion: 3.6
Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
Description:
Change fan mode
There are four available modes:
* 0 -> Super Silent Mode
* 1 -> Standard Mode
* 2 -> Dust Cleaning
* 4 -> Efficient Thermal Dissipation Mode

4 changes: 2 additions & 2 deletions Documentation/DocBook/filesystems.tmpl
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Expand Up @@ -224,8 +224,8 @@ all your transactions.
</para>

<para>
Then at umount time , in your put_super() (2.4) or write_super() (2.5)
you can then call journal_destroy() to clean up your in-core journal object.
Then at umount time , in your put_super() you can then call journal_destroy()
to clean up your in-core journal object.
</para>

<para>
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2 changes: 1 addition & 1 deletion Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
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Expand Up @@ -125,7 +125,7 @@ the structure refers to a radio tuner the
<constant>V4L2_TUNER_CAP_NORM</constant> flags can't be used.</para>
<para>If multiple frequency bands are supported, then
<structfield>capability</structfield> is the union of all
<structfield>capability></structfield> fields of each &v4l2-frequency-band;.
<structfield>capability</structfield> fields of each &v4l2-frequency-band;.
</para></entry>
</row>
<row>
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20 changes: 20 additions & 0 deletions Documentation/devicetree/bindings/arm/mrvl/intc.txt
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Expand Up @@ -38,3 +38,23 @@ Example:
reg-names = "mux status", "mux mask";
mrvl,intc-nr-irqs = <2>;
};

* Marvell Orion Interrupt controller

Required properties
- compatible : Should be "marvell,orion-intc".
- #interrupt-cells: Specifies the number of cells needed to encode an
interrupt source. Supported value is <1>.
- interrupt-controller : Declare this node to be an interrupt controller.
- reg : Interrupt mask address. A list of 4 byte ranges, one per controller.
One entry in the list represents 32 interrupts.

Example:

intc: interrupt-controller {
compatible = "marvell,orion-intc", "marvell,intc";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0xfed20204 0x04>,
<0xfed20214 0x04>;
};
16 changes: 16 additions & 0 deletions Documentation/devicetree/bindings/ata/marvell.txt
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@@ -0,0 +1,16 @@
* Marvell Orion SATA

Required Properties:
- compatibility : "marvell,orion-sata"
- reg : Address range of controller
- interrupts : Interrupt controller is using
- nr-ports : Number of SATA ports in use.

Example:

sata@80000 {
compatible = "marvell,orion-sata";
reg = <0x80000 0x5000>;
interrupts = <21>;
nr-ports = <2>;
}
23 changes: 23 additions & 0 deletions Documentation/devicetree/bindings/gpio/mrvl-gpio.txt
Original file line number Diff line number Diff line change
Expand Up @@ -27,3 +27,26 @@ Example:
interrupt-controller;
#interrupt-cells = <1>;
};

* Marvell Orion GPIO Controller

Required properties:
- compatible : Should be "marvell,orion-gpio"
- reg : Address and length of the register set for controller.
- gpio-controller : So we know this is a gpio controller.
- ngpio : How many gpios this controller has.
- interrupts : Up to 4 Interrupts for the controller.

Optional properties:
- mask-offset : For SMP Orions, offset for Nth CPU

Example:

gpio0: gpio@10100 {
compatible = "marvell,orion-gpio";
#gpio-cells = <2>;
gpio-controller;
reg = <0x10100 0x40>;
ngpio = <32>;
interrupts = <35>, <36>, <37>, <38>;
};
12 changes: 6 additions & 6 deletions Documentation/devicetree/bindings/regulator/tps6586x.txt
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Expand Up @@ -9,9 +9,9 @@ Required properties:
- regulators: list of regulators provided by this controller, must have
property "regulator-compatible" to match their hardware counterparts:
sm[0-2], ldo[0-9] and ldo_rtc
- sm0-supply: The input supply for the SM0.
- sm1-supply: The input supply for the SM1.
- sm2-supply: The input supply for the SM2.
- vin-sm0-supply: The input supply for the SM0.
- vin-sm1-supply: The input supply for the SM1.
- vin-sm2-supply: The input supply for the SM2.
- vinldo01-supply: The input supply for the LDO1 and LDO2
- vinldo23-supply: The input supply for the LDO2 and LDO3
- vinldo4-supply: The input supply for the LDO4
Expand All @@ -30,9 +30,9 @@ Example:
#gpio-cells = <2>;
gpio-controller;

sm0-supply = <&some_reg>;
sm1-supply = <&some_reg>;
sm2-supply = <&some_reg>;
vin-sm0-supply = <&some_reg>;
vin-sm1-supply = <&some_reg>;
vin-sm2-supply = <&some_reg>;
vinldo01-supply = <...>;
vinldo23-supply = <...>;
vinldo4-supply = <...>;
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14 changes: 14 additions & 0 deletions Documentation/devicetree/bindings/watchdog/marvel.txt
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@@ -0,0 +1,14 @@
* Marvell Orion Watchdog Time

Required Properties:

- Compatibility : "marvell,orion-wdt"
- reg : Address of the timer registers

Example:

wdt@20300 {
compatible = "marvell,orion-wdt";
reg = <0x20300 0x28>;
status = "okay";
};
2 changes: 0 additions & 2 deletions Documentation/filesystems/Locking
Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,6 @@ prototypes:
int (*drop_inode) (struct inode *);
void (*evict_inode) (struct inode *);
void (*put_super) (struct super_block *);
void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
Expand All @@ -136,7 +135,6 @@ write_inode:
drop_inode: !!!inode->i_lock!!!
evict_inode:
put_super: write
write_super: read
sync_fs: read
freeze_fs: write
unfreeze_fs: write
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5 changes: 2 additions & 3 deletions Documentation/filesystems/porting
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Expand Up @@ -94,9 +94,8 @@ protected.
---
[mandatory]

BKL is also moved from around sb operations. ->write_super() Is now called
without BKL held. BKL should have been shifted into individual fs sb_op
functions. If you don't need it, remove it.
BKL is also moved from around sb operations. BKL should have been shifted into
individual fs sb_op functions. If you don't need it, remove it.

---
[informational]
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11 changes: 11 additions & 0 deletions Documentation/filesystems/vfat.txt
Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,17 @@ errors=panic|continue|remount-ro
without doing anything or remount the partition in
read-only mode (default behavior).

discard -- If set, issues discard/TRIM commands to the block
device when blocks are freed. This is useful for SSD devices
and sparse/thinly-provisoned LUNs.

nfs -- This option maintains an index (cache) of directory
inodes by i_logstart which is used by the nfs-related code to
improve look-ups.

Enable this only if you want to export the FAT filesystem
over NFS

<bool>: 0,1,yes,no,true,false

TODO
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4 changes: 0 additions & 4 deletions Documentation/filesystems/vfs.txt
Original file line number Diff line number Diff line change
Expand Up @@ -216,7 +216,6 @@ struct super_operations {
void (*drop_inode) (struct inode *);
void (*delete_inode) (struct inode *);
void (*put_super) (struct super_block *);
void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
Expand Down Expand Up @@ -273,9 +272,6 @@ or bottom half).
put_super: called when the VFS wishes to free the superblock
(i.e. unmount). This is called with the superblock lock held

write_super: called when the VFS superblock needs to be written to
disc. This method is optional

sync_fs: called when VFS is writing out all dirty data associated with
a superblock. The second parameter indicates whether the method
should wait until the write out has been completed. Optional.
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12 changes: 6 additions & 6 deletions Documentation/laptops/laptop-mode.txt
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Expand Up @@ -262,9 +262,9 @@ MINIMUM_BATTERY_MINUTES=10

#
# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
# exceeded, the kernel will wake pdflush which will then reduce the amount
# of dirty memory to dirty_background_ratio. Set this nice and low, so once
# some writeout has commenced, we do a lot of it.
# exceeded, the kernel will wake flusher threads which will then reduce the
# amount of dirty memory to dirty_background_ratio. Set this nice and low,
# so once some writeout has commenced, we do a lot of it.
#
#DIRTY_BACKGROUND_RATIO=5

Expand Down Expand Up @@ -384,9 +384,9 @@ CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'}

#
# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
# exceeded, the kernel will wake pdflush which will then reduce the amount
# of dirty memory to dirty_background_ratio. Set this nice and low, so once
# some writeout has commenced, we do a lot of it.
# exceeded, the kernel will wake flusher threads which will then reduce the
# amount of dirty memory to dirty_background_ratio. Set this nice and low,
# so once some writeout has commenced, we do a lot of it.
#
DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'}

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19 changes: 17 additions & 2 deletions Documentation/networking/netconsole.txt
Original file line number Diff line number Diff line change
Expand Up @@ -51,8 +51,23 @@ Built-in netconsole starts immediately after the TCP stack is
initialized and attempts to bring up the supplied dev at the supplied
address.

The remote host can run either 'netcat -u -l -p <port>',
'nc -l -u <port>' or syslogd.
The remote host has several options to receive the kernel messages,
for example:

1) syslogd

2) netcat

On distributions using a BSD-based netcat version (e.g. Fedora,
openSUSE and Ubuntu) the listening port must be specified without
the -p switch:

'nc -u -l -p <port>' / 'nc -u -l <port>' or
'netcat -u -l -p <port>' / 'netcat -u -l <port>'

3) socat

'socat udp-recv:<port> -'

Dynamic reconfiguration:
========================
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6 changes: 3 additions & 3 deletions Documentation/pinctrl.txt
Original file line number Diff line number Diff line change
Expand Up @@ -840,9 +840,9 @@ static unsigned long i2c_pin_configs[] = {

static struct pinctrl_map __initdata mapping[] = {
PIN_MAP_MUX_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", "i2c0"),
PIN_MAP_MUX_CONFIGS_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", i2c_grp_configs),
PIN_MAP_MUX_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0scl", i2c_pin_configs),
PIN_MAP_MUX_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0sda", i2c_pin_configs),
PIN_MAP_CONFIGS_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", i2c_grp_configs),
PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0scl", i2c_pin_configs),
PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0sda", i2c_pin_configs),
};

Finally, some devices expect the mapping table to contain certain specific
Expand Down
14 changes: 7 additions & 7 deletions Documentation/security/Yama.txt
Original file line number Diff line number Diff line change
Expand Up @@ -46,27 +46,27 @@ restrictions, it can call prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, ...)
so that any otherwise allowed process (even those in external pid namespaces)
may attach.

These restrictions do not change how ptrace via PTRACE_TRACEME operates.

The sysctl settings are:
The sysctl settings (writable only with CAP_SYS_PTRACE) are:

0 - classic ptrace permissions: a process can PTRACE_ATTACH to any other
process running under the same uid, as long as it is dumpable (i.e.
did not transition uids, start privileged, or have called
prctl(PR_SET_DUMPABLE...) already).
prctl(PR_SET_DUMPABLE...) already). Similarly, PTRACE_TRACEME is
unchanged.

1 - restricted ptrace: a process must have a predefined relationship
with the inferior it wants to call PTRACE_ATTACH on. By default,
this relationship is that of only its descendants when the above
classic criteria is also met. To change the relationship, an
inferior can call prctl(PR_SET_PTRACER, debugger, ...) to declare
an allowed debugger PID to call PTRACE_ATTACH on the inferior.
Using PTRACE_TRACEME is unchanged.

2 - admin-only attach: only processes with CAP_SYS_PTRACE may use ptrace
with PTRACE_ATTACH.
with PTRACE_ATTACH, or through children calling PTRACE_TRACEME.

3 - no attach: no processes may use ptrace with PTRACE_ATTACH. Once set,
this sysctl cannot be changed to a lower value.
3 - no attach: no processes may use ptrace with PTRACE_ATTACH nor via
PTRACE_TRACEME. Once set, this sysctl value cannot be changed.

The original children-only logic was based on the restrictions in grsecurity.

Expand Down
14 changes: 7 additions & 7 deletions Documentation/sysctl/vm.txt
Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required.

dirty_background_bytes

Contains the amount of dirty memory at which the pdflush background writeback
daemon will start writeback.
Contains the amount of dirty memory at which the background kernel
flusher threads will start writeback.

Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only
one of them may be specified at a time. When one sysctl is written it is
Expand All @@ -89,7 +89,7 @@ other appears as 0 when read.
dirty_background_ratio

Contains, as a percentage of total system memory, the number of pages at which
the pdflush background writeback daemon will start writing out dirty data.
the background kernel flusher threads will start writing out dirty data.

==============================================================

Expand All @@ -112,9 +112,9 @@ retained.
dirty_expire_centisecs

This tunable is used to define when dirty data is old enough to be eligible
for writeout by the pdflush daemons. It is expressed in 100'ths of a second.
Data which has been dirty in-memory for longer than this interval will be
written out next time a pdflush daemon wakes up.
for writeout by the kernel flusher threads. It is expressed in 100'ths
of a second. Data which has been dirty in-memory for longer than this
interval will be written out next time a flusher thread wakes up.

==============================================================

Expand All @@ -128,7 +128,7 @@ data.

dirty_writeback_centisecs

The pdflush writeback daemons will periodically wake up and write `old' data
The kernel flusher threads will periodically wake up and write `old' data
out to disk. This tunable expresses the interval between those wakeups, in
100'ths of a second.

Expand Down
10 changes: 8 additions & 2 deletions Documentation/vm/hugetlbpage.txt
Original file line number Diff line number Diff line change
Expand Up @@ -299,11 +299,17 @@ map_hugetlb.c.
*******************************************************************

/*
* hugepage-shm: see Documentation/vm/hugepage-shm.c
* map_hugetlb: see tools/testing/selftests/vm/map_hugetlb.c
*/

*******************************************************************

/*
* hugepage-mmap: see Documentation/vm/hugepage-mmap.c
* hugepage-shm: see tools/testing/selftests/vm/hugepage-shm.c
*/

*******************************************************************

/*
* hugepage-mmap: see tools/testing/selftests/vm/hugepage-mmap.c
*/
2 changes: 2 additions & 0 deletions Documentation/w1/slaves/w1_therm
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ Kernel driver w1_therm

Supported chips:
* Maxim ds18*20 based temperature sensors.
* Maxim ds1825 based temperature sensors.

Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru>

Expand All @@ -15,6 +16,7 @@ supported family codes:
W1_THERM_DS18S20 0x10
W1_THERM_DS1822 0x22
W1_THERM_DS18B20 0x28
W1_THERM_DS1825 0x3B

Support is provided through the sysfs w1_slave file. Each open and
read sequence will initiate a temperature conversion then provide two
Expand Down
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