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r: 350124
b: refs/heads/master
c: a59f4e0
h: refs/heads/master
v: v3
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Zhu Yanhai authored and Ingo Molnar committed Jan 24, 2013
1 parent c484754 commit 51e2f6b
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 8f55cea410dbc56114bb71a3742032070c8108d0
refs/heads/master: a59f4e079d19464eebb9b06513a1d4f55fdae5ba

This file was deleted.

2 changes: 0 additions & 2 deletions trunk/Documentation/atomic_ops.txt
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Expand Up @@ -253,8 +253,6 @@ This performs an atomic exchange operation on the atomic variable v, setting
the given new value. It returns the old value that the atomic variable v had
just before the operation.

atomic_xchg requires explicit memory barriers around the operation.

int atomic_cmpxchg(atomic_t *v, int old, int new);

This performs an atomic compare exchange operation on the atomic value v,
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1 change: 0 additions & 1 deletion trunk/Documentation/device-mapper/dm-raid.txt
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Expand Up @@ -141,4 +141,3 @@ Version History
1.2.0 Handle creation of arrays that contain failed devices.
1.3.0 Added support for RAID 10
1.3.1 Allow device replacement/rebuild for RAID 10
1.3.2 Fix/improve redundancy checking for RAID10
Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,7 @@ PA31 TXD4
Required properties for pin configuration node:
- atmel,pins: 4 integers array, represents a group of pins mux and config
setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>.
The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B...
PIN_BANK 0 is pioA, PIN_BANK 1 is pioB...
The PERIPH 0 means gpio.

Bits used for CONFIG:
PULL_UP (1 << 0): indicate this pin need a pull up.
Expand Down Expand Up @@ -127,7 +126,7 @@ pinctrl@fffff400 {
pinctrl_dbgu: dbgu-0 {
atmel,pins =
<1 14 0x1 0x0 /* PB14 periph A */
1 15 0x1 0x1>; /* PB15 periph A with pullup */
1 15 0x1 0x1>; /* PB15 periph with pullup */
};
};
};
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Empty file modified trunk/Documentation/hid/hid-sensor.txt
100644 → 100755
Empty file.
2 changes: 1 addition & 1 deletion trunk/Documentation/kernel-parameters.txt
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Expand Up @@ -2438,7 +2438,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
real-time workloads. It can also improve energy
efficiency for asymmetric multiprocessors.

rcu_nocb_poll [KNL,BOOT]
rcu_nocbs_poll [KNL,BOOT]
Rather than requiring that offloaded CPUs
(specified by rcu_nocbs= above) explicitly
awaken the corresponding "rcuoN" kthreads,
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1 change: 0 additions & 1 deletion trunk/Documentation/memory-barriers.txt
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Expand Up @@ -1685,7 +1685,6 @@ explicit lock operations, described later). These include:

xchg();
cmpxchg();
atomic_xchg();
atomic_cmpxchg();
atomic_inc_return();
atomic_dec_return();
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83 changes: 0 additions & 83 deletions trunk/Documentation/trace/ftrace.txt
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Expand Up @@ -1842,89 +1842,6 @@ an error.
# cat buffer_size_kb
85

Snapshot
--------
CONFIG_TRACER_SNAPSHOT makes a generic snapshot feature
available to all non latency tracers. (Latency tracers which
record max latency, such as "irqsoff" or "wakeup", can't use
this feature, since those are already using the snapshot
mechanism internally.)

Snapshot preserves a current trace buffer at a particular point
in time without stopping tracing. Ftrace swaps the current
buffer with a spare buffer, and tracing continues in the new
current (=previous spare) buffer.

The following debugfs files in "tracing" are related to this
feature:

snapshot:

This is used to take a snapshot and to read the output
of the snapshot. Echo 1 into this file to allocate a
spare buffer and to take a snapshot (swap), then read
the snapshot from this file in the same format as
"trace" (described above in the section "The File
System"). Both reads snapshot and tracing are executable
in parallel. When the spare buffer is allocated, echoing
0 frees it, and echoing else (positive) values clear the
snapshot contents.
More details are shown in the table below.

status\input | 0 | 1 | else |
--------------+------------+------------+------------+
not allocated |(do nothing)| alloc+swap | EINVAL |
--------------+------------+------------+------------+
allocated | free | swap | clear |
--------------+------------+------------+------------+

Here is an example of using the snapshot feature.

# echo 1 > events/sched/enable
# echo 1 > snapshot
# cat snapshot
# tracer: nop
#
# entries-in-buffer/entries-written: 71/71 #P:8
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
<idle>-0 [005] d... 2440.603828: sched_switch: prev_comm=swapper/5 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=snapshot-test-2 next_pid=2242 next_prio=120
sleep-2242 [005] d... 2440.603846: sched_switch: prev_comm=snapshot-test-2 prev_pid=2242 prev_prio=120 prev_state=R ==> next_comm=kworker/5:1 next_pid=60 next_prio=120
[...]
<idle>-0 [002] d... 2440.707230: sched_switch: prev_comm=swapper/2 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=snapshot-test-2 next_pid=2229 next_prio=120

# cat trace
# tracer: nop
#
# entries-in-buffer/entries-written: 77/77 #P:8
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
<idle>-0 [007] d... 2440.707395: sched_switch: prev_comm=swapper/7 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=snapshot-test-2 next_pid=2243 next_prio=120
snapshot-test-2-2229 [002] d... 2440.707438: sched_switch: prev_comm=snapshot-test-2 prev_pid=2229 prev_prio=120 prev_state=S ==> next_comm=swapper/2 next_pid=0 next_prio=120
[...]


If you try to use this snapshot feature when current tracer is
one of the latency tracers, you will get the following results.

# echo wakeup > current_tracer
# echo 1 > snapshot
bash: echo: write error: Device or resource busy
# cat snapshot
cat: snapshot: Device or resource busy

-----------

More details can be found in the source code, in the
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28 changes: 1 addition & 27 deletions trunk/Documentation/x86/boot.txt
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Expand Up @@ -57,10 +57,6 @@ Protocol 2.10: (Kernel 2.6.31) Added a protocol for relaxed alignment
Protocol 2.11: (Kernel 3.6) Added a field for offset of EFI handover
protocol entry point.

Protocol 2.12: (Kernel 3.8) Added the xloadflags field and extension fields
to struct boot_params for for loading bzImage and ramdisk
above 4G in 64bit.

**** MEMORY LAYOUT

The traditional memory map for the kernel loader, used for Image or
Expand Down Expand Up @@ -186,7 +182,7 @@ Offset Proto Name Meaning
0230/4 2.05+ kernel_alignment Physical addr alignment required for kernel
0234/1 2.05+ relocatable_kernel Whether kernel is relocatable or not
0235/1 2.10+ min_alignment Minimum alignment, as a power of two
0236/2 2.12+ xloadflags Boot protocol option flags
0236/2 N/A pad3 Unused
0238/4 2.06+ cmdline_size Maximum size of the kernel command line
023C/4 2.07+ hardware_subarch Hardware subarchitecture
0240/8 2.07+ hardware_subarch_data Subarchitecture-specific data
Expand Down Expand Up @@ -390,7 +386,6 @@ Protocol: 2.00+
F Special (0xFF = undefined)
10 Reserved
11 Minimal Linux Bootloader <http://sebastian-plotz.blogspot.de>
12 OVMF UEFI virtualization stack

Please contact <hpa@zytor.com> if you need a bootloader ID
value assigned.
Expand Down Expand Up @@ -587,27 +582,6 @@ Protocol: 2.10+
misaligned kernel. Therefore, a loader should typically try each
power-of-two alignment from kernel_alignment down to this alignment.

Field name: xloadflags
Type: read
Offset/size: 0x236/2
Protocol: 2.12+

This field is a bitmask.

Bit 0 (read): XLF_KERNEL_64
- If 1, this kernel has the legacy 64-bit entry point at 0x200.

Bit 1 (read): XLF_CAN_BE_LOADED_ABOVE_4G
- If 1, kernel/boot_params/cmdline/ramdisk can be above 4G.

Bit 2 (read): XLF_EFI_HANDOVER_32
- If 1, the kernel supports the 32-bit EFI handoff entry point
given at handover_offset.

Bit 3 (read): XLF_EFI_HANDOVER_64
- If 1, the kernel supports the 64-bit EFI handoff entry point
given at handover_offset + 0x200.

Field name: cmdline_size
Type: read
Offset/size: 0x238/4
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4 changes: 0 additions & 4 deletions trunk/Documentation/x86/zero-page.txt
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Expand Up @@ -19,9 +19,6 @@ Offset Proto Name Meaning
090/010 ALL hd1_info hd1 disk parameter, OBSOLETE!!
0A0/010 ALL sys_desc_table System description table (struct sys_desc_table)
0B0/010 ALL olpc_ofw_header OLPC's OpenFirmware CIF and friends
0C0/004 ALL ext_ramdisk_image ramdisk_image high 32bits
0C4/004 ALL ext_ramdisk_size ramdisk_size high 32bits
0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
140/080 ALL edid_info Video mode setup (struct edid_info)
1C0/020 ALL efi_info EFI 32 information (struct efi_info)
1E0/004 ALL alk_mem_k Alternative mem check, in KB
Expand All @@ -30,7 +27,6 @@ Offset Proto Name Meaning
1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
1EA/001 ALL edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
(below)
1EF/001 ALL sentinel Used to detect broken bootloaders
290/040 ALL edd_mbr_sig_buffer EDD MBR signatures
2D0/A00 ALL e820_map E820 memory map table
(array of struct e820entry)
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26 changes: 18 additions & 8 deletions trunk/MAINTAINERS
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Expand Up @@ -1303,7 +1303,7 @@ F: include/linux/dmaengine.h
F: include/linux/async_tx.h

AT24 EEPROM DRIVER
M: Wolfram Sang <wsa@the-dreams.de>
M: Wolfram Sang <w.sang@pengutronix.de>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/misc/eeprom/at24.c
Expand Down Expand Up @@ -1489,7 +1489,7 @@ AVR32 ARCHITECTURE
M: Haavard Skinnemoen <hskinnemoen@gmail.com>
M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
W: http://www.atmel.com/products/AVR32/
W: http://mirror.egtvedt.no/avr32linux.org/
W: http://avr32linux.org/
W: http://avrfreaks.net/
S: Maintained
F: arch/avr32/
Expand Down Expand Up @@ -2966,7 +2966,7 @@ S: Maintained
F: drivers/net/ethernet/i825xx/eexpress.*

ETHERNET BRIDGE
M: Stephen Hemminger <stephen@networkplumber.org>
M: Stephen Hemminger <shemminger@vyatta.com>
L: bridge@lists.linux-foundation.org
L: netdev@vger.kernel.org
W: http://www.linuxfoundation.org/en/Net:Bridge
Expand Down Expand Up @@ -3757,11 +3757,12 @@ S: Maintained
F: drivers/i2c/i2c-stub.c

I2C SUBSYSTEM
M: Wolfram Sang <wsa@the-dreams.de>
M: Wolfram Sang <w.sang@pengutronix.de>
M: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
L: linux-i2c@vger.kernel.org
W: http://i2c.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/
T: git git://git.pengutronix.de/git/wsa/linux.git
S: Maintained
F: Documentation/i2c/
F: drivers/i2c/
Expand Down Expand Up @@ -4904,7 +4905,7 @@ S: Maintained

MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
M: Mirko Lindner <mlindner@marvell.com>
M: Stephen Hemminger <stephen@networkplumber.org>
M: Stephen Hemminger <shemminger@vyatta.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/marvell/sk*
Expand Down Expand Up @@ -5179,7 +5180,7 @@ S: Supported
F: drivers/infiniband/hw/nes/

NETEM NETWORK EMULATOR
M: Stephen Hemminger <stephen@networkplumber.org>
M: Stephen Hemminger <shemminger@vyatta.com>
L: netem@lists.linux-foundation.org
S: Maintained
F: net/sched/sch_netem.c
Expand Down Expand Up @@ -5777,6 +5778,15 @@ L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/i2c/muxes/i2c-mux-pca9541.c

PCA9564/PCA9665 I2C BUS DRIVER
M: Wolfram Sang <w.sang@pengutronix.de>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/i2c/algos/i2c-algo-pca.c
F: drivers/i2c/busses/i2c-pca-*
F: include/linux/i2c-algo-pca.h
F: include/linux/i2c-pca-platform.h

PCDP - PRIMARY CONSOLE AND DEBUG PORT
M: Khalid Aziz <khalid@gonehiking.org>
S: Maintained
Expand Down Expand Up @@ -7078,7 +7088,7 @@ F: include/uapi/sound/
F: sound/

SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
M: Liam Girdwood <lgirdwood@gmail.com>
M: Liam Girdwood <lrg@ti.com>
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
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4 changes: 2 additions & 2 deletions trunk/Makefile
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@@ -1,8 +1,8 @@
VERSION = 3
PATCHLEVEL = 8
SUBLEVEL = 0
EXTRAVERSION =
NAME = Unicycling Gorilla
EXTRAVERSION = -rc4
NAME = Terrified Chipmunk

# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
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