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Introduce IBM CPC925 EDAC driver, which makes use of ECC, CPU and
HyperTransport Link error detections and corrections on the IBM
CPC925 Bridge and Memory Controller.
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Michael Ellerman <michael@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Prevent EDAC compilation units from being built by default and let the
user explicitly select the needed modules.
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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While at it, fix a link failure when !K8_NB.
Acked-by: Doug Thompson <dougthompson@xmission.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Also, link into Kbuild by adding Kconfig and Makefile entries.
Borislav:
- Kconfig/Makefile splitting
- use zero-sized arrays for the sysfs attrs if not enabled
- rename sysfs attrs to more conform values
- shorten CONFIG_ names
- make multiple structure members assignment vertically aligned
- fix/cleanup comments
- fix function return value patterns
- fix err labels
- fix a memleak bug caught by Ingo
- remove the NUMA dependency and use num_k8_northbrides for initializing
a driver instance per NB.
- do not copy the pvt contents into the mci struct in
amd64_init_2nd_stage() and save it in the mci->pvt_info void ptr
instead.
- cleanup debug calls
- simplify amd64_setup_pci_device()
Reviewed-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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The amd8111_edac.c driver will fail allmodconfig on architectures other
than PPC, introduce Kconfig dependency to avoid this, since both AMD8111
and AMD8131 chips are only adopted on Maple so far.
Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Introduce Kconfig and Makefile options for AMD8111 EDAC driver.
Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Introduce Kconfig and Makefile options for AMD8131 EDAC driver.
Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds support for an EDAC memory controller adaptation driver for the
"ibm,sdram-4xx-ddr2" ECC controller realized in the AMCC PowerPC 405EX[r].
At present, this driver has been developed and tested against the
controller realization in the AMCC PPC405EX[r] on the AMCC Kilauea and
Haleakala boards (256 MiB w/o ECC memory soldered onto the board) and a
proprietary board based on those designs (128 MiB ECC memory, also
soldered onto the board).
In the future, dynamic feature detection and handling needs to be added
for the other realizations of this controller found in the 440SP, 440SPe,
460EX, 460GT and 460SX.
Eventually, this driver will likely be evolved and adapted to the above
variant realizations of this controller as well as broken apart to handle
the other known ECC-capable controllers prevalent in other PPC4xx
processors:
- IBM SDRAM (405GP, 405CR and 405EP) "ibm,sdram-4xx"
- IBM DDR1 (440GP, 440GX, 440EP and 440GR) "ibm,sdram-4xx-ddr"
- Denali DDR1/DDR2 (440EPX and 440GRX) "denali,sdram-4xx-ddr2"
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Grant Erickson <gerickson@nuovations.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After 3 years, this is a patch to remove the EXPERIMENTAL tag on EDAC. We
now have many module drivers submitters in EDAC and believe EDAC is no
longer EXPERIMENTAL
Signed-off-by: Doug Thompson <dougthompson@xmission.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A patch for making a debugging information more verbose for use in
development debugging.
By enabling the new option "More verbose debugging", information about
source file and line number will be added to debugging message.
This is sample output,
EDAC MC0: Giving out device to 'e7xxx_edac' 'E7205': DEV 0000:00:00.0
EDAC DEBUG: in drivers/edac/edac_pci.c, line at 48: edac_pci_alloc_ctl_info()
EDAC DEBUG: in drivers/edac/edac_pci.c, line at 334: edac_pci_add_device()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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EDAC driver for i5400 MCH (Seaburg)
This driver adds support for i5400 MCH chipset.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Ben Woodard <woodard@redhat.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since the QPACE (Chromodynamics Parallel Computing on the
Cell Broadband Engine) platform doesn't use a iommu, doesn't
have PCI devices and a MPIC much lesser setup and
configurations are needed. So far all devices are detected
as OF device. A notifier function is used to set the dma_ops
for the of_platform bus. Further this patch splits the
PPC_CELL_NATIVE into PPC_CELL_COMMON which are parts that are
shared with the QPACE platform and the rest.
Signed-off-by: Benjamin Krill <ben@codiert.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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I wrote a new module for Intel X38 chipset. This chipset is very similar
to Intel 3200 chipset, but there are some different points, so I copyed
i3200_edac.c and modified.
This is Intel's web page describing this chipset.
http://www.intel.com/Products/Desktop/Chipsets/X38/X38-overview.htm
I've tested this new module with broken memory, and it seems to be working
well.
Signed-off-by: Hitoshi Mitake <mitake@clustcom.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Preliminary support for the Intel 5100 MCH. CE and UE errors are reported
along with the current DIMM label information and other memory parameters.
Reasons why this is preliminary:
1) This chip has 2 independent memory controllers which, for best
perforance, use interleaved accesses to the DDR2 memory. This
architecture does not map very well to the current edac data structures
which depend on symmetric channel access to the interleaved data.
Without core changes, the best I could do for now is to map both memory
controllers to different csrows (first all ranks of controller 0, then
all ranks of controller 1). Someone much more familiar with the edac
core than I will probably need to come up with a more general data
structure to handle the interleaving and de-interleaving of the two
memory controllers.
2) I have not yet tackled the de-interleaving of the rank/controller
address space into the physical address space of the CPU. There is
nothing fundamentally missing, it is just ending up to be a lot of
code, and I'd rather keep it separate for now, esp since it doesn't
work yet...
3) The code depends on a particular i5100 chip select to DIMM mainboard
chip select mapping. This mapping seems obvious to me in order to
support dual and single ranked memory, but it is not unique and DIMM
labels could be wrong on other mainboards. There is no way to query
this mapping that I know of.
4) The code requires that the i5100 is in 32GB mode. Only 4 ranks per
controller, 2 ranks per DIMM are supported. I do not have hardware
(nor do I expect to have hardware anytime soon) for the 48GB (6 ranks
per controller) mode.
5) The serial presence detect code should be broken out into a "real"
i2c driver so that decode-dimms.pl can work.
Signed-off-by: Arthur Jones <ajones@riverbed.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add Intel 3100 chipset support to e752x EDAC driver.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrei Konovalov <akonovalov@ru.mvista.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Modified to run on x86_64 as well as x86
i3000_edac builds (and runs) fine on x86_64.
Signed-off-by: Jason Uhlenkott <juhlenko@akamai.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Marvell mv64x60 SoC support for EDAC. Used on PPC and MIPS platforms.
Development and testing done on PPC Motorola prpmc2800 ATCA board.
[akpm@linux-foundation.org: make mv64x60_ctl_name static]
Signed-off-by: Dave Jiang <djiang@mvista.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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EDAC chip driver support for Freescale MPC85xx platforms. PPC based.
Signed-off-by: Dave Jiang <djiang@mvista.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adds driver for the Cell memory controller when used without a Hypervisor such
as on the IBM Cell blades. There might still be some improvements to do to
this such as finding if it's possible to properly obtain more details about
the address of the error but it's good enough already to report CE counts
which is our main priority at the moment.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fixed 'depends on PPC_PASEMI' in EDAC Kconfig. Module PASEMI depends ONLY on
the PASEMI on PPC.
Was previously enabled for ALL PPC
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Egor N. Martovetsky <egor@pasemi.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/edac/edac_stub.c:15:22: asm/edac.h: No such file or directory
was it even supposed to work?
Cc: Douglas Thompson <dougthompson@xmission.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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New EDAC driver for the i82975x memory controller chipset Used on ASUS
motherboards
[akpm@linux-foundation.org: fix multiple coding-style bloopers]
Signed-off-by: <arvind@acarlab.com>
Signed-off-by: Ranganathan Desikan <rdesikan@jetzbroadband.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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NEW EDAC driver for the memory controllers on PA Semi PA6T-1682M.
Changes since last submission:
* Rebased on top of 2.6.22-rc4-mm2 with the EDAC changes merged there.
* Minor checkpatch.pl cleanups
* Renamed ctl_name
* Added dev_name
* edac_mc.h -> edac_core.h
[akpm@linux-foundation.org: make printk more informative]
Cc: Alan Cox alan@lxorguk.ukuu.org.uk
Signed-off-by: Egor Martovetsky <egor@pasemi.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Doug Thompson <dougthompson@xmission.com
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1) Remove an old CVS ID string
2) change EDAC from a tristate option to a simple bool option
3) In addition to the X86 arch, PPC and MIPS also have drivers in the
submission queue. This patch turns on the EDAC flag for those archs. Each
driver will have its respective 'depends on ARCH' set.
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kconfig - modified the help of EDAC
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Here's a driver for the Intel 3000 and 3010 memory controllers,
relative to today's Sourceforge code drop. This has only had light
testing (I've yet to actually see it handle a memory error) but it
detects my hardware correctly.
Signed-off-by: Jason Uhlenkott <juhlenko@akamai.com>
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Provides a way for NMI reported errors on x86 to notify the EDAC
subsystem pending ECC errors by writing to a software state variable.
Here's the reworked patch. I added an EDAC stub to the kernel so we can
have variables that are in the kernel even if EDAC is a module. I also
implemented the idea of using the chip driver to select error detection
mode via module parameter and eliminate the kernel compile option.
Please review/test. Thx!
Also, I only made changes to some of the chipset drivers since I am
unfamiliar with the other ones. We can add similar changes as we go.
Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It will claim the PCI devices from under intel_agp.ko's feet. Greg is brewing
some fix for that.
Cc: Douglas Thompson <dougthompson@xmission.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a NEW EDAC Memory Controller driver for the 440BX chipset (I82443BXGX)
created and submitted by Timm Small
Signed-off-by: Tim Small <tim@buttersideup.com>
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Eric Wollesen ported the Bluesmoke Memory Controller driver (written by Doug
Thompson) for the Intel 5000X/V/P (Blackford/Greencreek) chipset to the in
kernel EDAC model.
This patch incorporates the module for the 5000X/V/P chipset family
[m.kozlowski@tuxland.pl: edac i5000 parenthesis balance fix]
Signed-off-by: Eric Wollesen <ericw@xmtp.net>
Signed-off-by: Doug Thompson <norsk5@xmission.com>
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Change Kconfig objects from "menu, config" into "menuconfig" so
that the user can disable the whole feature without having to
enter the menu first.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add "depends on HAS_IOMEM" to a number of menus to make them
disappear for s390 which does not have I/O memory.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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EDAC_752X uses pci_scan_single_device(), which is only available if
CONFIG_HOTPLUG is enabled, so limit this driver with HOTPLUG.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Dave Peterson <dsp@llnl.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Add x86 dependency in drivers/edac/Kconfig for all current
platform-specific modules.
- Add PCI dependency to Radisys 82600 driver
Signed-off-by: David S. Peterson <dsp@llnl.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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EDAC is still causing a few problems and the code is relatively green. Mark
it as experimental until thing settle down.
Also, provide some documentation pointers in Kconfig help.
Signed-off-by: Tim Small <tim@buttersideup.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The AMD76x chipsets aren't used in 64-bit, so don't offer the driver to the
user.
Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is a subset of the bluesmoke project core code, stripped of the NMI work
which isn't ready to merge and some of the "interesting" proc functionality
that needs reworking or just has no place in kernel. It requires no core
kernel changes except the added scrub functions already posted.
The goal is to merge further functionality only after the core code is
accepted and proven in the base kernel, and only at the point the upstream
extras are really ready to merge.
From: doug thompson <norsk5@xmission.com>
This converts EDAC to sysfs and is the final chunk neccessary before EDAC
has a stable user space API and can be considered for submission into the
base kernel.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: doug thompson <norsk5@xmission.com>
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Harry Ciao
Borislav Petkov
Doug Thompson
Grant Erickson
Hitoshi Mitake
Mauro Carvalho Chehab
Benjamin Krill
Hitoshi Mitake
Arthur Jones
Andrei Konovalov
Jason Uhlenkott
Dave Jiang
Benjamin Herrenschmidt
Andrew Morton
Ranganathan Desikan
Egor Martovetsky
Tim Small
Eric Wollesen
Jan Engelhardt
Martin Schwidefsky
Randy Dunlap
Dave Peterson
Andi Kleen
Dave Jones
Alan Cox