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Impact: fix possible tlb mis-flushing on UV
uv_flush_send_and_wait() should return a pointer if the broadcast
remote tlb shootdown requests fail. That causes the conventional IPI
method of shootdown to be used.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Conflicts:
kernel/irq/handle.c
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Move DMA-mapping.txt to Documentation/PCI/.
DMA-mapping.txt was supposed to be moved from Documentation/ to
Documentation/PCI/. The 00-INDEX files in those two directories
were updated, along with a few other text files, but the file
itself somehow escaped being moved, so move it and update more
text files and source files with its new location.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: Fix a memory leak with the lg object during launcher close
lguest: disable the FORTIFY for lguest.
lguest: typos fix
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The commit "alpha: teach the compiler that BUG doesn't return"
(ed6b9b97f42c091630335bfb71a2931e6f86388b) moved the asm code into inline
function which takes __FILE__ and __LINE__ as arguments. This violates
asm constrains there ("i" - an immediate operand with constant value), so
that compile may result in warning or error, depending on compiler
version.
Just adding an infinite loop to the BUG() is sufficient.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- jensen build: fix conflicting declarations for pci_alloc_consistent()
and undefined virt_to_phys();
- SMP: arch/alpha/kernel/smp.c:124: warning: passing argument 2
of '__cpu_test_and_set' discards qualifiers from pointer target type
Interestingly, this only happens with gcc-4.2; gcc <= 4.1 and gcc-4.3
are OK. Fixed with extra assignment.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Convert OSF syscalls and add alpha specific SYSCALL_ALIAS() macro.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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3 points
lguest_asm.S => i386_head.S
LHCALL_BREAK => LHREQ_BREAK
perferred => preferred
Signed-off-by: Atsushi SAKAI <sakaia@jp.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/mm: Fix handling of _PAGE_COHERENT in BAT setup code
powerpc/pseries: Correct VIO bus accounting problem in CMO env.
powerpc: More printing warning fixes for the l64 to ll64 conversion
powerpc: Remove arch/ppc cruft from Kconfig
powerpc: Printing fix for l64 to ll64 conversion: phyp_dump.c
powerpc/embedded6xx: Update defconfigs
powerpc/8xx: Update defconfigs
powerpc/86xx: Update defconfigs
powerpc/83xx: Update defconfigs
powerpc/85xx: Update defconfigs
powerpc/mpc8313erdb: fix kernel panic because mdio device is not probed
powerpc/4xx: Update multi-board PowerPC 4xx defconfigs
powerpc/44x: Update PowerPC 44x defconfigs
powerpc/40x: Update PowerPC 40x defconfigs
powerpc/85xx: Fix typo in mpc8572ds dts
powerpc/44x: Warp patches for the new NDFC driver
powerpc/4xx: DTS: Add Add'l SDRAM0 Compatible and Interrupt Info
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: fix 5329 ColdFire periphal addressing
uclinux: add process name to allocation error message
m68knommu: correct the mii calculations for 532x ColdFire FEC
m68knommu: add ColdFire M532x to the FEC configuration options
m68knommu: fix syscall restarting
m68knommu: remove the obsolete and long unused comempci chip support
m68knommu: remove the no longer used PCI support option
m68knommu: remove obsolete and unused eLIA board
m68knommu: set NO_DMA
m68knommu: fix cache flushing for the 527x ColdFire processors
m68knommu: fix ColdFire 5272 serial baud rates in mcf.c
m68knommu: use one exist from execption
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_PAGE_COHERENT is now always set in _PAGE_RAM resp. PAGE_KERNEL.
Thus it has to be masked out, if the BAT mapping should be non
cacheable or CPU_FTR_NEED_COHERENT is not set.
This will work on normal SMP setups because we force-set
CPU_FTR_NEED_COHERENT as part of CPU_FTR_COMMON on SMP.
Signed-off-by: Gerhard Pircher <gerhard_pircher@gmx.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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In the VIO bus code the wrappers for dma alloc_coherent and free_coherent
calls are rounding to IOMMU_PAGE_SIZE. Taking a look at the underlying
calls, the actual mapping is promoted to PAGE_SIZE. Changing the
rounding in these two functions fixes under-reporting the entitlement
used by the system. Without this change, the system could run out of
entitlement before it believes it has and incur mapping failures at the
firmware level.
Also in the VIO bus code, the wrapper for dma map_sg is not exiting in
an error path where it should. Rather than fall through to code for the
success case, this patch adds the return that is needed in the error path.
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Remove some leftover cruft from the arch/ppc days
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Manual merge of:
arch/powerpc/configs/44x/warp_defconfig
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (36 commits)
USB: Driver for Freescale QUICC Engine USB Host Controller
USB: option: add QUANTA HSDPA Data Card device ids
USB: storage: Add another unusual_dev for off-by-one bug
USB: unusual_dev: usb-storage needs to ignore a device
USB: GADGET: fix !x & y
USB: new id for ti_usb_3410_5052 driver
USB: cdc-acm: Add another conexant modem to the quirks
USB: 'option' driver - onda device MT503HS has wrong id
USB: Remove ZTE modem from unusual_devices
USB: storage: support of Dane-Elec MediaTouch USB device
USB: usbmon: Implement compat_ioctl
USB: add kernel-doc for wusb_dev in struct usb_device
USB: ftdi_sio driver support of bar code scanner from Diebold
USB: ftdi_sio: added Alti-2 VID and Neptune 3 PID
USB: cp2101 device
USB: usblp.c: add USBLP_QUIRK_BIDIR to Brother HL-1440
USB: remove vernier labpro from ldusb
USB: CDC-ACM quirk for MTK GPS
USB: cdc-acm: support some gps data loggers
USB: composite: Fix bug: low byte of w_index is the usb interface number not the whole 2 bytes of w_index
...
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The DaVinci code had an implementation of the OTG transceiver glue
too; make it use the new-standard one.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata-rb532-cf: remove set_irq_type from finish_io
[libata] pata_via: support VX855, future chips whose IDE controller use 0x0571
sata_mv: no longer experimental (v2)
sata_mv: msi masking fix (v2)
sata_mv: Properly initialize main irq mask
sata_mv: remove bogus nsect restriction
sata_mv: don't read hc_irq_cause
sata_mv: fix 8-port timeouts on 508x/6081 chips
sata_nv: fix MCP5x reset
sata_nv: rename nv_nf2_hardreset()
libata: set NODEV_HINT for 0x7f status
libata-sff: fix incorrect EH message
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu
Conflicts:
arch/x86/kernel/setup_percpu.c
Semantic conflict:
arch/x86/kernel/cpu/common.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/kernel/setup_percpu.c
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The 5329 ColdFire peripheral IO register addresses are not relative to
the MBAR register. So fix the serial platform setup array and IRQ acking
to use just the direct addresses.
Signed-off-by: Matt Waddel <Matt.Waddel@freescale.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Make restart blocks working, required for proper syscall restarting.
Derived from same changes for m68k arch by Andreas Schwab <schwab@suse.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Greg Ungerer said about this board:
Only ever a handful where made, and that was in 1999.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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m68knommu does not set the Kconfig NO_DMA variable, but also does
not provide the required functions, resulting in the following
build error triggered by commit a40c24a13366e324bc0ff8c3bb107db89312c984
(net: Add SKB DMA mapping helper functions.):
<-- snip -->
..
LD vmlinux
net/built-in.o: In function `skb_dma_unmap':
(.text+0xac5e): undefined reference to `dma_unmap_single'
net/built-in.o: In function `skb_dma_unmap':
(.text+0xac7a): undefined reference to `dma_unmap_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xacdc): undefined reference to `dma_map_single'
net/built-in.o: In function `skb_dma_map':
(.text+0xace8): undefined reference to `dma_mapping_error'
net/built-in.o: In function `skb_dma_map':
(.text+0xad10): undefined reference to `dma_map_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xad82): undefined reference to `dma_unmap_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xadc6): undefined reference to `dma_unmap_single'
make[1]: *** [vmlinux] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix cache flushing for the 527x ColdFire processors
Its CACR register format is slightly different.
Along with this add support for flushing the 523x cache, which uses
the same format as the 527x ColdFire's, and was missing flush support.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Part of the code that did not make sense to me got removed by Greg.
This is part two:
The first compare is to check whether the interrupts are disabled or not.
Depending on the result we exectute the RESTORE_ALL macro is not only
restoring the stack but also returning to caller.
The test for pending softirq has been removed because it is allready done
in irq_exit().
Since system_call() is allso using the SAVE_ALL macro and returning via
ret_from_exception label I see no reason why we could not do this here
as well. This is also handy because if we return from the timer interrupt
and we need to resched than we check for this :)
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Impact: cosmetic cleanup
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: build fix
x86_cpu_to_apicid and x86_bios_cpu_apicid aren't defined for voyage.
Earlier patch forgot to conditionalize early percpu clearing. Fix it.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: sync 32 and 64-bit code
Merge load_gs_base() into switch_to_new_gdt(). Load the GDT and
per-cpu state for the boot cpu when its new area is set up.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: optimization
mb() generates an mfence instruction, which is not needed here. Only
a compiler barrier is needed, and that is handled by the memory clobber
in the wrmsrl function.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: cleanup
Rename init_gdt() to setup_percpu_segment(), and move it to
setup_percpu.c.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: standardize all x86 platforms on same setup code
With the preceding changes, Voyager can use the same per-cpu setup
code as all the other x86 platforms.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: minor cleanup
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: Small cleanup
Define BOOT_PERCPU_OFFSET and use it for this_cpu_offset and
__per_cpu_offset initializers.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: Minor build optimization
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: Code movement
Move the variable definitions to apic.c. Ifdef the copying of
the two early per-cpu variables, since Voyager doesn't use them.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: cleanup
The way the code is written, align is always PAGE_SIZE. Simplify
the code by removing the align variable.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: Code movement, no functional change.
Move setup_cpu_local_masks() to kernel/cpu/common.c, where the
masks are defined.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: Code movement, no functional change.
Move the 64-bit NUMA code from setup_percpu.c to numa_64.c
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Impact: minor optimization
Eliminates the need for two loops over possible cpus.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (22 commits)
[ARM] fix section-based ioremap
[NET] am79c961a: fix spin_lock usage
[ARM] omap: usb: thou shalt not provide empty release functions
[ARM] omap: watchdog: allow OMAP watchdog driver on OMAP34xx platforms
[ARM] 5369/1: omap mmc: Add new omap hsmmc controller for 2430 and 34xx, v3
[ARM] clkdev: fix clock matching
[ARM] 5370/1: at91: fix rm9200 watchdog
[ARM] 5368/1: arch/arm/mach-davinci/usb.c buildfix
[ARM] 5365/1: s3cmci: Use new include path of dma.h
[ARM] fix StrongARM-11x0 page copy implementation
[ARM] omap: ensure OMAP drivers pass a struct device to clk_get()
ARM: OMAP: Fix compile for h3 MMC
ARM: OMAP: Remove unused platform devices, v3
ARM: OMAP: Fix ASoC by enabling writes to XCCR and RCCR McBSP registers, v3
ARM: OMAP: Fix OSK ASoC by registering I2C board info for tlvaic23
ARM: OMAP: remove duplicated #include's
ARM: OMAP: Fix DMA CCR programming for request line > 63, v3
ARM: OMAP: Fix gpio.c compile on 15xx with CONFIG_DEBUGFS
ARM: OMAP: Fix compile for beagle
ARM: OMAP: Fix gpio by switching to generic gpio calls, v2
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Warn on deprecated binding model use
eeprom: More consistent symbol names
eeprom: Move 93cx6 eeprom driver to /drivers/misc/eeprom
spi: Move at25 (for SPI eeproms) to /drivers/misc/eeprom
i2c: Move old eeprom driver to /drivers/misc/eeprom
i2c: Move at24 to drivers/misc/eeprom
i2c: Quilt tree has moved
i2c: Delete many unused adapter IDs
i2c: Delete 10 unused driver IDs
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