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Jiri Kosina committed Aug 4, 2010
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6 changes: 4 additions & 2 deletions Documentation/00-INDEX
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Expand Up @@ -32,8 +32,6 @@ DocBook/
- directory with DocBook templates etc. for kernel documentation.
HOWTO
- the process and procedures of how to do Linux kernel development.
IO-mapping.txt
- how to access I/O mapped memory from within device drivers.
IPMI.txt
- info on Linux Intelligent Platform Management Interface (IPMI) Driver.
IRQ-affinity.txt
Expand Down Expand Up @@ -84,6 +82,8 @@ blockdev/
- info on block devices & drivers
btmrvl.txt
- info on Marvell Bluetooth driver usage.
bus-virt-phys-mapping.txt
- how to access I/O mapped memory from within device drivers.
cachetlb.txt
- describes the cache/TLB flushing interfaces Linux uses.
cdrom/
Expand Down Expand Up @@ -168,6 +168,8 @@ initrd.txt
- how to use the RAM disk as an initial/temporary root filesystem.
input/
- info on Linux input device support.
io-mapping.txt
- description of io_mapping functions in linux/io-mapping.h
io_ordering.txt
- info on ordering I/O writes to memory-mapped addresses.
ioctl/
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8 changes: 7 additions & 1 deletion Documentation/arm/memory.txt
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Expand Up @@ -33,7 +33,13 @@ ffff0000 ffff0fff CPU vector page.

fffe0000 fffeffff XScale cache flush area. This is used
in proc-xscale.S to flush the whole data
cache. Free for other usage on non-XScale.
cache. (XScale does not have TCM.)

fffe8000 fffeffff DTCM mapping area for platforms with
DTCM mounted inside the CPU.

fffe0000 fffe7fff ITCM mapping area for platforms with
ITCM mounted inside the CPU.

fff00000 fffdffff Fixmap mapping region. Addresses provided
by fix_to_virt() will be located here.
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30 changes: 19 additions & 11 deletions Documentation/arm/tcm.txt
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Expand Up @@ -19,8 +19,8 @@ defines a CPUID_TCM register that you can read out from the
system control coprocessor. Documentation from ARM can be found
at http://infocenter.arm.com, search for "TCM Status Register"
to see documents for all CPUs. Reading this register you can
determine if ITCM (bit 0) and/or DTCM (bit 16) is present in the
machine.
determine if ITCM (bits 1-0) and/or DTCM (bit 17-16) is present
in the machine.

There is further a TCM region register (search for "TCM Region
Registers" at the ARM site) that can report and modify the location
Expand All @@ -35,7 +35,15 @@ The TCM memory can then be remapped to another address again using
the MMU, but notice that the TCM if often used in situations where
the MMU is turned off. To avoid confusion the current Linux
implementation will map the TCM 1 to 1 from physical to virtual
memory in the location specified by the machine.
memory in the location specified by the kernel. Currently Linux
will map ITCM to 0xfffe0000 and on, and DTCM to 0xfffe8000 and
on, supporting a maximum of 32KiB of ITCM and 32KiB of DTCM.

Newer versions of the region registers also support dividing these
TCMs in two separate banks, so for example an 8KiB ITCM is divided
into two 4KiB banks with its own control registers. The idea is to
be able to lock and hide one of the banks for use by the secure
world (TrustZone).

TCM is used for a few things:

Expand Down Expand Up @@ -65,18 +73,18 @@ in <asm/tcm.h>. Using this interface it is possible to:
memory. Such a heap is great for things like saving
device state when shutting off device power domains.

A machine that has TCM memory shall select HAVE_TCM in
arch/arm/Kconfig for itself, and then the
rest of the functionality will depend on the physical
location and size of ITCM and DTCM to be defined in
mach/memory.h for the machine. Code that needs to use
TCM shall #include <asm/tcm.h> If the TCM is not located
at the place given in memory.h it will be moved using
the TCM Region registers.
A machine that has TCM memory shall select HAVE_TCM from
arch/arm/Kconfig for itself. Code that needs to use TCM shall
#include <asm/tcm.h>

Functions to go into itcm can be tagged like this:
int __tcmfunc foo(int bar);

Since these are marked to become long_calls and you may want
to have functions called locally inside the TCM without
wasting space, there is also the __tcmlocalfunc prefix that
will make the call relative.

Variables to go into dtcm can be tagged like this:
int __tcmdata foo;

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3 changes: 3 additions & 0 deletions Documentation/credentials.txt
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Expand Up @@ -417,6 +417,9 @@ reference on them using:
This does all the RCU magic inside of it. The caller must call put_cred() on
the credentials so obtained when they're finished with.

[*] Note: The result of __task_cred() should not be passed directly to
get_cred() as this may race with commit_cred().

There are a couple of convenience functions to access bits of another task's
credentials, hiding the RCU magic from the caller:

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7 changes: 7 additions & 0 deletions Documentation/feature-removal-schedule.txt
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Expand Up @@ -647,3 +647,10 @@ Who: Stefan Richter <[email protected]>

----------------------------

What: The acpi_sleep=s4_nonvs command line option
When: 2.6.37
Files: arch/x86/kernel/acpi/sleep.c
Why: superseded by acpi_sleep=nonvs
Who: Rafael J. Wysocki <[email protected]>

----------------------------
11 changes: 0 additions & 11 deletions Documentation/filesystems/xfs.txt
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Expand Up @@ -131,17 +131,6 @@ When mounting an XFS filesystem, the following options are accepted.
Don't check for double mounted file systems using the file system uuid.
This is useful to mount LVM snapshot volumes.

osyncisosync
Make O_SYNC writes implement true O_SYNC. WITHOUT this option,
Linux XFS behaves as if an "osyncisdsync" option is used,
which will make writes to files opened with the O_SYNC flag set
behave as if the O_DSYNC flag had been used instead.
This can result in better performance without compromising
data safety.
However if this option is not in effect, timestamp updates from
O_SYNC writes can be lost if the system crashes.
If timestamp updates are critical, use the osyncisosync option.

uquota/usrquota/uqnoenforce/quota
User disk quota accounting enabled, and limits (optionally)
enforced. Refer to xfs_quota(8) for further details.
Expand Down
10 changes: 6 additions & 4 deletions Documentation/kernel-parameters.txt
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Expand Up @@ -254,8 +254,8 @@ and is between 256 and 4096 characters. It is defined in the file
control method, with respect to putting devices into
low power states, to be enforced (the ACPI 2.0 ordering
of _PTS is used by default).
s4_nonvs prevents the kernel from saving/restoring the
ACPI NVS memory during hibernation.
nonvs prevents the kernel from saving/restoring the
ACPI NVS memory during suspend/hibernation and resume.
sci_force_enable causes the kernel to set SCI_EN directly
on resume from S1/S3 (which is against the ACPI spec,
but some broken systems don't work without it).
Expand Down Expand Up @@ -1265,7 +1265,7 @@ and is between 256 and 4096 characters. It is defined in the file
If there are multiple matching configurations changing
the same attribute, the last one is used.

lmb=debug [KNL] Enable lmb debug messages.
memblock=debug [KNL] Enable memblock debug messages.

load_ramdisk= [RAM] List of ramdisks to load from floppy
See Documentation/blockdev/ramdisk.txt.
Expand Down Expand Up @@ -2048,7 +2048,9 @@ and is between 256 and 4096 characters. It is defined in the file
WARNING: Forcing ASPM on may cause system lockups.

pcie_pme= [PCIE,PM] Native PCIe PME signaling options:
off Do not use native PCIe PME signaling.
Format: {auto|force}[,nomsi]
auto Use native PCIe PME signaling if the BIOS allows the
kernel to control PCIe config registers of root ports.
force Use native PCIe PME signaling even if the BIOS refuses
to allow the kernel to control the relevant PCIe config
registers.
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1 change: 1 addition & 0 deletions Documentation/video4linux/CARDLIST.tuner
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Expand Up @@ -82,3 +82,4 @@ tuner=81 - Partsnic (Daewoo) PTI-5NF05
tuner=82 - Philips CU1216L
tuner=83 - NXP TDA18271
tuner=84 - Sony BTF-Pxn01Z
tuner=85 - Philips FQ1236 MK5
5 changes: 5 additions & 0 deletions Documentation/watchdog/watchdog-parameters.txt
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Expand Up @@ -125,6 +125,11 @@ ibmasr:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
imx2_wdt:
timeout: Watchdog timeout in seconds (default 60 s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
indydog:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
Expand Down
57 changes: 40 additions & 17 deletions MAINTAINERS
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Expand Up @@ -896,11 +896,13 @@ S: Maintained

ARM/SAMSUNG ARM ARCHITECTURES
M: Ben Dooks <[email protected]>
M: Kukjin Kim <[email protected]>
L: [email protected] (moderated for non-subscribers)
W: http://www.fluff.org/ben/linux/
S: Maintained
F: arch/arm/plat-s3c/
F: arch/arm/plat-samsung/
F: arch/arm/plat-s3c24xx/
F: arch/arm/plat-s5p/

ARM/S3C2410 ARM ARCHITECTURE
M: Ben Dooks <[email protected]>
Expand Down Expand Up @@ -1148,7 +1150,7 @@ F: drivers/mmc/host/atmel-mci.c
F: drivers/mmc/host/atmel-mci-regs.h

ATMEL AT91 / AT32 SERIAL DRIVER
M: Haavard Skinnemoen <hskinnemoen@atmel.com>
M: Nicolas Ferre <nicolas.ferre@atmel.com>
S: Supported
F: drivers/serial/atmel_serial.c

Expand All @@ -1160,18 +1162,18 @@ F: drivers/video/atmel_lcdfb.c
F: include/video/atmel_lcdc.h

ATMEL MACB ETHERNET DRIVER
M: Haavard Skinnemoen <hskinnemoen@atmel.com>
M: Nicolas Ferre <nicolas.ferre@atmel.com>
S: Supported
F: drivers/net/macb.*

ATMEL SPI DRIVER
M: Haavard Skinnemoen <hskinnemoen@atmel.com>
M: Nicolas Ferre <nicolas.ferre@atmel.com>
S: Supported
F: drivers/spi/atmel_spi.*

ATMEL USBA UDC DRIVER
M: Haavard Skinnemoen <hskinnemoen@atmel.com>
L: kernel@avr32linux.org
M: Nicolas Ferre <nicolas.ferre@atmel.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver
S: Supported
F: drivers/usb/gadget/atmel_usba_udc.*
Expand Down Expand Up @@ -1581,7 +1583,7 @@ F: include/linux/coda*.h

COMMON INTERNET FILE SYSTEM (CIFS)
M: Steve French <[email protected]>
L: linux-cifs[email protected].org (moderated for non-subscribers)
L: linux-cifs@vger.kernel.org
L: [email protected] (moderated for non-subscribers)
W: http://linux-cifs.samba.org/
Q: http://patchwork.ozlabs.org/project/linux-cifs-client/list/
Expand Down Expand Up @@ -2109,11 +2111,20 @@ F: drivers/edac/i5000_edac.c

EDAC-I5400
M: Mauro Carvalho Chehab <[email protected]>
L: [email protected] (moderated for non-subscribers)
L: [email protected]
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i5400_edac.c

EDAC-I7CORE
M: Mauro Carvalho Chehab <[email protected]>
L: [email protected]
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i7core_edac.c
F: drivers/edac/edac_mce.c
F: include/linux/edac_mce.h

EDAC-I82975X
M: Ranganathan Desikan <[email protected]>
M: "Arvind R." <[email protected]>
Expand Down Expand Up @@ -2887,6 +2898,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
S: Maintained
F: drivers/input/

INPUT MULTITOUCH (MT) PROTOCOL
M: Henrik Rydberg <[email protected]>
L: [email protected]
S: Maintained
F: Documentation/input/multi-touch-protocol.txt
K: \b(ABS|SYN)_MT_

INTEL IDLE DRIVER
M: Len Brown <[email protected]>
L: [email protected]
Expand Down Expand Up @@ -2978,20 +2996,14 @@ F: drivers/net/ixgb/
F: drivers/net/ixgbe/

INTEL PRO/WIRELESS 2100 NETWORK CONNECTION SUPPORT
M: Reinette Chatre <[email protected]>
M: Intel Linux Wireless <[email protected]>
L: [email protected]
W: http://ipw2100.sourceforge.net
S: Odd Fixes
S: Orphan
F: Documentation/networking/README.ipw2100
F: drivers/net/wireless/ipw2x00/ipw2100.*

INTEL PRO/WIRELESS 2915ABG NETWORK CONNECTION SUPPORT
M: Reinette Chatre <[email protected]>
M: Intel Linux Wireless <[email protected]>
L: [email protected]
W: http://ipw2200.sourceforge.net
S: Odd Fixes
S: Orphan
F: Documentation/networking/README.ipw2200
F: drivers/net/wireless/ipw2x00/ipw2200.*

Expand Down Expand Up @@ -3379,7 +3391,7 @@ KPROBES
M: Ananth N Mavinakayanahalli <[email protected]>
M: Anil S Keshavamurthy <[email protected]>
M: "David S. Miller" <[email protected]>
M: Masami Hiramatsu <mhiramat@redhat.com>
M: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
S: Maintained
F: Documentation/kprobes.txt
F: include/linux/kprobes.h
Expand Down Expand Up @@ -4212,6 +4224,7 @@ OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Grant Likely <[email protected]>
L: [email protected]
W: http://fdt.secretlab.ca
T: git git://git.secretlab.ca/git/linux-2.6.git
S: Maintained
F: drivers/of
F: include/linux/of*.h
Expand Down Expand Up @@ -4626,6 +4639,12 @@ M: Robert Jarzmik <[email protected]>
L: [email protected]
S: Maintained

QLOGIC QLA1280 SCSI DRIVER
M: Michael Reed <[email protected]>
L: [email protected]
S: Maintained
F: drivers/scsi/qla1280.[ch]

QLOGIC QLA2XXX FC-SCSI DRIVER
M: Andrew Vasquez <[email protected]>
M: [email protected]
Expand Down Expand Up @@ -5317,6 +5336,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git
S: Maintained
F: arch/sparc/
F: drivers/sbus

SPARC SERIAL DRIVERS
M: "David S. Miller" <[email protected]>
Expand Down Expand Up @@ -5384,6 +5404,7 @@ M: David Brownell <[email protected]>
M: Grant Likely <[email protected]>
L: [email protected]
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
T: git git://git.secretlab.ca/git/linux-2.6.git
S: Maintained
F: Documentation/spi/
F: drivers/spi/
Expand Down Expand Up @@ -6222,6 +6243,8 @@ F: drivers/mmc/host/wbsd.*

WATCHDOG DEVICE DRIVERS
M: Wim Van Sebroeck <[email protected]>
L: [email protected]
W: http://www.linux-watchdog.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
S: Maintained
F: Documentation/watchdog/
Expand Down
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