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This reverts commit f64da958dfc83335de1d2bef9d3868f30feb4e53.
Andi Kleen is unhappy with the changes, and they really do not seem
worth it. IPMI could use DIE_NMI_IPI instead of the new callback, even
though that ends up having its own set of problems too, mainly because
the IPMI code cannot really know the NMI was from IPMI or not.
Manually fix up conflicts in arch/x86_64/kernel/traps.c and
drivers/char/ipmi/ipmi_watchdog.c.
Cc: Andi Kleen <ak@suse.de>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Corey Minyard <minyard@acm.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix recent kdebug changes to compile on sparc32.
Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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If we miss on the ranges, just toss the translation up to the parent
instead of failing.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
[ARM] Use new get_irqnr_preamble
[ARM] Ensure machine class menu is sorted alphabetically
[ARM] 4333/2: KS8695: Micrel Development board
[ARM] 4332/2: KS8695: Serial driver
[ARM] 4331/3: Support for Micrel/Kendin KS8695 processor
[ARM] 4371/1: AT91: Support for Atmel AT91SAM9RL-EK development board
[ARM] 4372/1: Define byte sizes in asm-arm/sizes.h
[ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.
[ARM] Update mach-types
[ARM] export symbol csum_partial_copy_from_user
[ARM] iop13xx: msi support
[ARM] stacktrace fix
[ARM] Spinlock initializer cleanup
[ARM] remove useless config option GENERIC_BUST_SPINLOCK
[ARM] 4303/3: base kernel support for TI DaVinci
[ARM] 4369/1: AT91: Fix circular dependency in header files
[ARM] 4368/1: S3C24xx: build fix
[ARM] 4364/1: AT91: LEDS on AT91SAM9261-EK
[ARM] Fix iop32x/iop33x build
[ARM] EBSA110: fix build errors caused by missing "const"
...
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SLUB cannot run on i386 at this point because i386 uses the page->private and
page->index field of slab pages for the pgd cache.
Make SLUB run on i386 by replacing the pgd slab cache with a quicklist.
Limit the changes as much as possible. Leave the improvised linked list in place
etc etc. This has been working here for a couple of weeks now.
Acked-by: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Wire up signalfd/timerfd/eventfd syscalls.
[SPARC64]: Add support for bq4802 TOD chip, as found on ultra45.
[SPARC64]: Correct FIRE_IOMMU_FLUSHINV register offset.
[SPARC64]: envctrl.c needs asm/io.h
[SPARC64]: Update defconfig.
[TTY]: Export proc_clear_tty() to modulea.
[SPARC64]: pci_resource_adjust() cannot be __init.
[SPARC64]: Spelling fixes.
[SPARC]: Spelling fixes.
[SPARC64]: Kill LARGE_ALLOCS and update defconfig.
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Looks like these two are wired up in a wrong way.
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The earlier change to call the bp mtrr init from bugs.c broke
on some configurations due to missing includes. Noticed
by "Avuton Olrich" <avuton@gmail.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Noticed by Meelis Roos.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spelling fixes in arch/sparc64/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spelling fixes in arch/sparc/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Let's use SLUB, since it works now, in order to get it
tested a bit.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This finally adds the PPC_PRPMC2800 Kconfig option, the board setup
code (the setup and reset functions) and the defconfig, to support the
Motorola PrPMC2800 platform.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The Motorola PrPMC280 and PrPMC2800 processor modules sit on an F101 or
PrPMC2800 baseboard, respectively. There are several variants of each
type of processor module which can have different amounts of memory,
amounts of FLASH, cpu frequencies, and an mv64360 or an mv64362.
The bootwrapper code for that platform reads VPD from an I2C EEPROM
to determine the processor module variant. From the variant, the
amount of memory, etc. is determined and the device tree is updated
accordingly. If the variant cannot be determined (e.g., corrupted
VPD or a previously unknown variant), the property values already
in the device tree are used.
Also, the firmware for those platforms does not completely configure
the mv64x60 host bridge so that configuration is done here.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add the device tree source file for the prpmc2800 line of processor PMCs.
Several of the property values are updated by the bootwrapper but sane
defaults have been chosen in case the bootwrapper can't determine the
exact processor board variant. The defaults should allow the kernel
to boot despite having non-optimal device tree property values.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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check_cache_coherency() verifies that the cache coherency setting of
the kernel (CONFIG_NOT_COHERENT_CACHE) matches that left by the firmware,
as indicated by coherency-off device tree property.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch adds PCI bridge support for the Marvell mv64x60 chip.
We also provide the ability to read/write the mv64x60 hotswap
register via sysfs if the hs_reg_valid property is set in the
device tree.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch creates platform_device entries for the Marvell mv64x60
I2C ports, based on information contained in device tree.
This driver (like the other mv64x60 drivers) are unusual in that it
works on both the MIPS and PowerPC architectures. Because of that,
the drivers do not support the normal PowerPC of_platform_bus_type.
They support platform_bus_type instead.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch creates platform_device entries for the Marvell mv64x60
ethernet controller ports, based on information contained in the
device tree.
This driver (like the other mv64x60 drivers) are unusual in that it
works on both the MIPS and PowerPC architectures. Because of that,
the drivers do not support the normal PowerPC of_platform_bus_type.
They support platform_bus_type instead.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch creates platform_device entries for the Marvell mv64x60
MPSC (multi-protocol serial controller) ports, based on information
contained in the device tree.
This driver (like the other mv64x60 drivers) are unusual in that it
works on both the MIPS and PowerPC architectures. Because of that,
the drivers do not support the normal PowerPC of_platform_bus_type.
They support platform_bus_type instead.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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There are 3 interrupt groups each with its own status/mask registers.
We use a separate struct irq_chip for each interrupt group and handle
interrupts in two stages or levels: level 1 selects the appropriate
struct irq_chip, and level 2 selects individual interrupts within
that irq_chip.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Some platforms support a variety processor modules with no method of
determining which exact processor module is being used except by
examining Vital Product Data (VPD). The modules may have different
amounts of memory, clock frequencies, etc. so reading the VPD becomes
necessary to correctly set properties in the device tree before its
passed to the kernel.
Often the VPD is stored in I2C EEPROMs so an I2C driver becomes necessary.
This I2C driver is for the I2C controller that's embedded on the Marvel
mv64x60 line of host bridges.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The bootwrapper requires a serial driver to allow cmdline editing
and information reporting on the console. This driver is required
by platforms that boot a zImage and use the MPSC for the console.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The mv64x60 host bridge has many windows between its various components
(cpu, system memory, ethernet ctlr, MPSC, DMA ctlr, PCI MEM, PCI I/O).
Unfortunately, the firmware on some of mv64x60-based platforms do not
properly or completely configure those windows (e.g., MPSC->system memory
windows not configured or CPU->PCI MEM space not configured).
So, the missing configuration needs to be done in either the bootwrapper
or in the kernel. To keep the kernel as clean as possible, it is done
in the bootwrapper. Note that I/O controller configuration is NOT being
done, its only the windows to allow the I/O controllers and other components
to access memory, etc. that is being done--drivers assume that their
controllers can already access system memory).
Table of routines and the windows they configure:
mv64x60_config_ctlr_windows() ENET->System Memory
MPSC->System Memory
IDMA->System Memory
mv64x60_config_pci_windows() PCI MEM->System Memory
PCI I/O->Bridge's Registers
mv64x60_config_cpu2pci_window() CPU->PCI MEM
CPU->PCI I/O
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add 'zImage.dts' and 'zImage.dts_initrd' build rules that automatically
compile and wrap a dts file from arch/powerpc/boot/dts into the zImage file.
The resulting zImage will be arch/powerpc/boot/zImage.dts.<platform> and
arch/powerpc/boot/zImage.dts_initrd.<platform>, respectively.
Having separate rules allows the user to choose whether to include a device
tree--and which device tree--at build time. This is useful when one Makefile
target builds a zImage that runs on several platforms except for differing
device trees. By just setting CONFIG_DEVICE_TREE and running "make zImage.dts"
the exact zImage you want is built without Makefile bloat or manually running
the wrapper script.
The dts file is expected to be arch/powerpc/boot/dts/$(CONFIG_DEVICE_TREE)
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Spelling fixes in arch/ppc/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The boot wrapper platform init code on 83xx and 85xx using the cuboot
platform type was incorrectly assuming that u-boot supplied the size
of the initrd, whereas it actually supplies the end address. This
fixes it.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix compiler warning:
ps3/smp.c:122: warning: ignoring return value of 'request_irq'
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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An mdio bus scan was added with ucc_geth phylib
migration patches, now machines complain on boot, saying:
prom_parse: Bad cell count for /qe@e0100000/mdio@2120/ethernet-phy@00
prom_parse: Bad cell count for /qe@e0100000/mdio@2120/ethernet-phy@01
since size-cells can indeed be 0, this patch fixes the check.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Greatly simplify the function smp_space_timers.
The stolen time calculation (per comment within the code) doesn't need the
half-jiffy stagger any more. There isn't an issue with bouncing off global
locks, so we really shouldn't need any sort of staggering at all.
However, the last_jiffy value still needs to be set. This removes the
extra stagger logic, and just sets the values.
This change should benefit applications that rely on barrier
synchronization, and will help cut down OS jitter.
Boot tested across the board (G5,power3,power4,power5,970mp blade).
Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fixes warnings:
arch/powerpc/platforms/ps3/system-bus.c: In function 'ps3_map_sg':
arch/powerpc/platforms/ps3/system-bus.c:278: warning: unused variable 'i'
arch/powerpc/platforms/ps3/system-bus.c:277: warning: unused variable 'dev'
arch/powerpc/platforms/ps3/setup.c:103: warning: 'prealloc' defined but not used
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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fixes:
arch/powerpc/platforms/pasemi/idle.c: In function 'pasemi_system_reset_exception':
arch/powerpc/platforms/pasemi/idle.c:55: warning: implicit declaration of function 'do_IRQ'
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This case will never be hit, but it should be corrected anyway.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Board support and default configuration file for the Micrel/Kendin
KS8695 Development board.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add core support for the Kendin/Micrel KS8695 processor family.
It is an ARM922-T based SoC with integrated USART, 4-port Ethernet
Switch, WAN Ethernet port, and optional PCI Host bridge, etc.
http://www.micrel.com/page.do?page=product-info/sys_on_chip.jsp
This patch is based on earlier patches from Lennert Buytenhek, Ben
Dooks and Greg Ungerer posted to the arm-linux-kernel mailing list in
March 2006; and Micrel's 2.6.9 port.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add support for the Atmel AT91SAM9RL-EK development board.
Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Define SZ_512, SZ_256 and SZ_16 in asm-arm/sizes.h.
Remove the definitions from the at91*_devices.c files.
(Dependent on ARM patch #4370/2)
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add support for Atmel's new AT91SAM9RL range of processors.
Includes similar peripherals as other AT91SAM9 processors, but with a
High-speed USB controller and various sizes of internal SRAM.
Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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