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We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask(), and by defining
it, the old arch_send_call_function_ipi is defined by the core code.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask(), and by defining
it, the old arch_send_call_function_ipi is defined by the core code.
We also take the chance to wean the implementations off the
obsolescent for_each_cpu_mask(): making send_ipi_mask take the pointer
seemed the most natural way to ensure all implementations used
for_each_cpu.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask(), and by defining
it, the old arch_send_call_function_ipi is defined by the core code.
We also take the chance to wean the implementations off the
obsolescent for_each_cpu_mask(): making send_ipi_mask take the pointer
seemed the most natural way to ensure all implementations used
for_each_cpu.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask().
We also take the chance to wean the send_ipi_message off the
obsolescent for_each_cpu_mask(): making it take a pointer seemed the
most natural way to do this.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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topology_thread_siblings: ia64
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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topology_thread_siblings: powerpc
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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topology_thread_siblings: s390
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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topology_thread_siblings: sparc
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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topology_thread_siblings: core
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Everyone is now using smp_call_function_many().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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smp_call_function_many is the new version: it takes a pointer. Also,
use mm accessor macro while we're changing this.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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You're not supposed to pass cpumasks on the stack in that case.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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set_cpus_allowed() is on the way out; replace it with
set_cpus_allowed_ptr().
Reference: http://lkml.org/lkml/2008/11/6/448
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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By 7be23e278f, mask field was deleted by irqaction. However, it was not
deleted from comment.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Up until 1.1.83, the primitive human tribes used struct sigaction for
interrupts. The sa_mask field was overloaded to hold a pointer to the
name.
When someone created the new "struct irqaction" they carried across
the "mask" field as a kind of ancestor worship: the fact that it was
unused makes clear its spiritual significance.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This snuck in after the patch which removed all the others.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@elte.hu>
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It's only defined for NR_CPUS > BITS_PER_LONG; cpu_all_mask is always
defined (and const).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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(Thanks to Al Viro for reminding me of this, via Ingo)
CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, defined as so:
#define CPU_MASK_ALL (cpumask_t) { { ... } }
Taking the address of such a temporary is questionable at best,
unfortunately 321a8e9d (cpumask: add CPU_MASK_ALL_PTR macro) added
CPU_MASK_ALL_PTR:
#define CPU_MASK_ALL_PTR (&CPU_MASK_ALL)
Which formalizes this practice. One day gcc could bite us over this
usage (though we seem to have gotten away with it so far).
So replace everywhere which used &CPU_MASK_ALL or CPU_MASK_ALL_PTR
with the modern "cpu_all_mask" (a real struct cpumask *), and remove
CPU_MASK_ALL_PTR altogether.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Mike Travis <travis@sgi.com>
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(Thanks to Al Viro for reminding me of this, via Ingo)
CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, defined as so:
#define CPU_MASK_ALL (cpumask_t) { { ... } }
Taking the address of such a temporary is questionable at best,
unfortunately 321a8e9d (cpumask: add CPU_MASK_ALL_PTR macro) added
CPU_MASK_ALL_PTR:
#define CPU_MASK_ALL_PTR (&CPU_MASK_ALL)
Which formalizes this practice. One day gcc could bite us over this
usage (though we seem to have gotten away with it so far).
Now all callers are removed, we kill it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Mike Travis <travis@sgi.com>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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cpumask_of_pcibus() is the new version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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cpumask_of_pcibus() is the new version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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cpumask_of_pcibus() is the new version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Remove open-coded zalloc_cpumask_var() and zalloc_cpumask_var_node().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6
* 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6:
Add MAINTAINERS entry for ARM/INTEL IXP4xx arch support.
ixp4xx: arch_idle() documentation fixup
ixp4xx: timer and clocks cleanups
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Fix new kernel-doc warnings in serial_core.[hc] files.
Warning(include/linux/serial_core.h:485): No description found for parameter 'uport'
Warning(include/linux/serial_core.h:485): Excess function parameter 'port' description in 'uart_handle_dcd_change'
Warning(include/linux/serial_core.h:511): No description found for parameter 'uport'
Warning(include/linux/serial_core.h:511): Excess function parameter 'port' description in 'uart_handle_cts_change'
Warning(drivers/serial/serial_core.c:2437): No description found for parameter 'uport'
Warning(drivers/serial/serial_core.c:2437): Excess function parameter 'port' description in 'uart_add_one_port'
Warning(drivers/serial/serial_core.c:2509): No description found for parameter 'uport'
Warning(drivers/serial/serial_core.c:2509): Excess function parameter 'port' description in 'uart_remove_one_port'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit ebd2c8f6d2ec4012c267ecb95e72a57b8355a705 removed struct uart_info and
commit bdc04e3174e18f475289fa8f4144f66686326b7e further moved delta_msr_wait.
Fix up the MN10300 on-chip serial port drivers to comply with this.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use asm/generic-hardirq.h to build asm/hardirq.h and also remove the unused
idle_timestamp field in irq_cpustat whilst we're at it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland
* 'x86/ptrace-syscall-exit' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland:
x86: ptrace: sysret path should reach syscall_trace_leave
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* git://git.infradead.org/battery-2.6:
power_supply: Add driver for the PMU on WM831x PMICs
ds2760_battery: Fix integer overflow for time_to_empty_now
wm97xx_battery: Convert to dev_pm_ops
wm97xx_battery: Use irq to detect charger state
wm97xx_battery: Use platform_data
wm97xx-core: Pass platform_data to battery
ds2760_battery: implement set_charged() feature
power_supply: get_by_name and set_charged functionality
power_supply: EXPORT_SYMBOL cleanups
ds2760_battery: add current_accum module parameter
ds2760_battery: handle full_active_uAh == 0 case correctly
ds2760_battery: add rated_capacity module parameter
ds2760_battery: export more features
ds2760_battery: delay power supply registration
wm8350_power: Implement charge type property
power_supply: Add a charge_type property, and use it for olpc driver
olpc_battery: Add an 'error' sysfs device that displays raw errors
Revert "power: remove POWER_SUPPLY_PROP_CAPACITY_LEVEL"
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/r600: set correct pitch for 4 byte copy
drm/radeon: consolidate family flags used in pciids.
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* git://git.infradead.org/mtd-2.6: (58 commits)
mtd: jedec_probe: add PSD4256G6V id
mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board)
mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board)
m25p80: Add Spansion S25FL129P serial flashes
jffs2: Use SLAB_HWCACHE_ALIGN for jffs2_raw_{dirent,inode} slabs
mtd: sh_flctl: register sh_flctl using platform_driver_probe()
mtd: nand: txx9ndfmc: transfer 512 byte at a time if possible
mtd: nand: fix tmio_nand ecc correction
mtd: nand: add __nand_correct_data helper function
mtd: cfi_cmdset_0002: add 0xFF intolerance for M29W128G
mtd: inftl: fix fold chain block number
mtd: jedec: fix compilation problem with I28F640C3B definition
mtd: nand: fix ECC Correction bug for SMC ordering for NDFC driver
mtd: ofpart: Check availability of reg property instead of name property
driver/Makefile: Initialize "mtd" and "spi" before "net"
mtd: omap: adding DMA mode support in nand prefetch/post-write
mtd: omap: add support for nand prefetch-read and post-write
mtd: add nand support for w90p910 (v2)
mtd: maps: add mtd-ram support to physmap_of
mtd: pxa3xx_nand: add single-bit error corrections reporting
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'vgaarb-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
vgaarb: make client interface config invariant.
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* git://git.infradead.org/iommu-2.6: (23 commits)
intel-iommu: Disable PMRs after we enable translation, not before
intel-iommu: Kill DMAR_BROKEN_GFX_WA option.
intel-iommu: Fix integer wrap on 32 bit kernels
intel-iommu: Fix integer overflow in dma_pte_{clear_range,free_pagetable}()
intel-iommu: Limit DOMAIN_MAX_PFN to fit in an 'unsigned long'
intel-iommu: Fix kernel hang if interrupt remapping disabled in BIOS
intel-iommu: Disallow interrupt remapping if not all ioapics covered
intel-iommu: include linux/dmi.h to use dmi_ routines
pci/dmar: correct off-by-one error in dmar_fault()
intel-iommu: Cope with yet another BIOS screwup causing crashes
intel-iommu: iommu init error path bug fixes
intel-iommu: Mark functions with __init
USB: Work around BIOS bugs by quiescing USB controllers earlier
ia64: IOMMU passthrough mode shouldn't trigger swiotlb init
intel-iommu: make domain_add_dev_info() call domain_context_mapping()
intel-iommu: Unify hardware and software passthrough support
intel-iommu: Cope with broken HP DC7900 BIOS
iommu=pt is a valid early param
intel-iommu: double kfree()
intel-iommu: Kill pointless intel_unmap_single() function
...
Fixed up trivial include lines conflict in drivers/pci/intel-iommu.c
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Impact: cleanup
No need for redeclaration.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (41 commits)
regulator: Add some brief design documentation
regulator: fix voltage range in da9034 ldo12
regulator/driver: be more specific in nanodoc for is_enabled
regulator/lp3971: drop unnecessary initialization
regulator: drop 'default n'
regulator: fix typos
regulator: fix calculation of voltage range in da9034_set_ldo12_voltage()
regulator: update a filename in documentation
drivers/regulator/Kconfig: fix typo (s/Usersapce/Userspace/) in REGULATOR_USERSPACE_CONSUMER description
REGULATOR Handle positive returncode from enable
regulator: tps650xx - build fixes for x86_64
Fix some regulator documentation
Regulator: Adding TPS65023 and TPS6507x in Kconfig and Makefile
Regulator: Add TPS6507x regulator driver
Regulator: Add TPS65023 regulator driver
regulator: userspace: use sysfs_create_group
regulator: Add GPIO enable control to fixed voltage regulator driver
Regulator: Implement list_voltage for pcf50633 regulator driver.
regulator: regulator_enable() permission checking
regulator: Push locking for regulator_is_enabled() out
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: lx6464es - remove unused struct member
ALSA: lx6464es - cleanup of rmh message bus function
ALSA: pcm - Simplify snd_pcm_drain() implementation
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: wm8753: fix mapping when MONOMIX is set to Stereo
ASoC: some minor changes for AD1836 and AD1938 codec drivers
ASoC: DaVinci: Fixes to McASP configuration
ASoC: Blackfin I2S: fix resuming when device hasn't been used
ASoC: Blackfin I2S: add lost platform_device parameter to resume function
ASoC: fix typos in Blackfin headers
ASoC: bf5xx-sport: the irq save/restore funcs take an unsigned long
ASoC: Blackfin AC97: add a few missing multichannel define handling
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (22 commits)
[S390] Update default configuration.
[S390] hibernate: Do real CPU swap at resume time
[S390] dasd: tolerate devices that have no feature codes
[S390] zcrypt: Do not add/remove devices in s/r callbacks
[S390] hibernate: make sure pfn_is_nosave handles lowcore pages
[S390] smp: introduce LC_ORDER and simplify lowcore handling
[S390] ptrace: use common code for simple peek/poke operations
[S390] fix disabled_wait inline assembly clobber list
[S390] Change kernel_page_present coding style.
[S390] hibernation: reset system after resume
[S390] hibernation: fix guest page hinting related crash
[S390] Get rid of init_module/delete_module compat functions.
[S390] Convert sys_execve to function with parameters.
[S390] Convert sys_clone to function with parameters.
[S390] qdio: change state of all primed input buffers
[S390] qdio: reduce per device debug messages
[S390] cio: introduce consistent subchannel scanning
[S390] cio: idset use actual number of ssids
[S390] cio: dont kfree vmalloced memory
[S390] cio: introduce css_settle
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
itimers: Add tracepoints for itimer
hrtimer: Add tracepoint for hrtimers
timers: Add tracepoints for timer_list timers
cputime: Optimize jiffies_to_cputime(1)
itimers: Simplify arm_timer() code a bit
itimers: Fix periodic tics precision
itimers: Merge ITIMER_VIRT and ITIMER_PROF
Trivial header file include conflicts in kernel/fork.c
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: sbp2: remove a workaround for Momobay FX-3A
firewire: sbp2: remove a workaround for Momobay FX-3A
firewire: sbp2: fix status reception
firewire: core: fix topology map response handler
firewire: core: fix race with parallel PCI device probe
firewire: core: header file cleanup
firewire: ohci: fix Self ID Count register mask (safeguard against buffer overflow)
ieee1394: raw1394: Do not leak memory on failed trylock.
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6
* 'sfi-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6:
SFI: remove unneeded includes
sfi: Remove unused code
SFI: Hook PCI MMCONFIG
x86: add arch-specific SFI support
SFI: add capability to parse ACPI tables
SFI: add platform-independent core support
SFI: create linux/sfi.h
SFI: Simple Firmware Interface - MAINTAINERS, Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (119 commits)
ACPI: don't pass handle for fixed hardware notifications
ACPI: remove null pointer checks in deferred execution path
ACPI: simplify deferred execution path
acerhdf: additional BIOS versions
acerhdf: convert to dev_pm_ops
acerhdf: fix fan control for AOA150 model
thermal: add missing Kconfig dependency
acpi: switch /proc/acpi/{debug_layer,debug_level} to seq_file
hp-wmi: fix rfkill memory leak on unload
ACPI: remove unnecessary #ifdef CONFIG_DMI
ACPI: linux/acpi.h should not include linux/dmi.h
hwmon driver for ACPI 4.0 power meters
topstar-laptop: add new driver for hotkeys support on Topstar N01
thinkpad_acpi: fix rfkill memory leak on unload
thinkpad-acpi: report brightness events when required
thinkpad-acpi: don't poll by default any of the reserved hotkeys
thinkpad-acpi: Fix procfs hotkey reset command
thinkpad-acpi: deprecate hotkey_bios_mask
thinkpad-acpi: hotkey poll fixes
thinkpad-acpi: be more strict when detecting a ThinkPad
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: Clearly mark ACPI drivers as such
i2c: Add driver for SMBus Control Method Interface
i2c-pnx: Correct use of request_region/request_mem_region
MAINTAINERS: Add maintainer for AT24 and PCA9564/PCA9665
i2c-piix4: Add AMD SB900 SMBus device ID
i2c/chips: Remove deprecated pcf8574 driver
i2c/chips: Remove deprecated pca9539 driver
i2c/chips: Remove deprecated pcf8575 driver
gpio/pcf857x: Copy i2c_device_id from old pcf8574 driver
i2c/scx200_acb: Provide more information on bus errors
i2c: Provide compatibility links for i2c adapters
i2c: Convert i2c adapters to bus devices
i2c: Convert i2c clients to a device type
i2c/tsl2550: Use combined SMBus transactions
i2c-taos-evm: Switch echo off to improve performance
i2c: Drop unused i2c_driver.id field
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (85 commits)
ocfs2: Use buffer IO if we are appending a file.
ocfs2: add spinlock protection when dealing with lockres->purge.
dlmglue.c: add missed mlog lines
ocfs2: __ocfs2_abort() should not enable panic for local mounts
ocfs2: Add ioctl for reflink.
ocfs2: Enable refcount tree support.
ocfs2: Implement ocfs2_reflink.
ocfs2: Add preserve to reflink.
ocfs2: Create reflinked file in orphan dir.
ocfs2: Use proper parameter for some inode operation.
ocfs2: Make transaction extend more efficient.
ocfs2: Don't merge in 1st refcount ops of reflink.
ocfs2: Modify removing xattr process for refcount.
ocfs2: Add reflink support for xattr.
ocfs2: Create an xattr indexed block if needed.
ocfs2: Call refcount tree remove process properly.
ocfs2: Attach xattr clusters to refcount tree.
ocfs2: Abstract ocfs2 xattr tree extend rec iteration process.
ocfs2: Abstract the creation of xattr block.
ocfs2: Remove inode from ocfs2_xattr_bucket_get_name_value.
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (142 commits)
USB: Fix sysfs paths in documentation
USB: skeleton: fix coding style issues.
USB: O_NONBLOCK in read path of skeleton
USB: make usb-skeleton honor O_NONBLOCK in write path
USB: skel_read really sucks royally
USB: Add hub descriptor update hook for xHCI
USB: xhci: Support USB hubs.
USB: xhci: Set multi-TT field for LS/FS devices under hubs.
USB: xhci: Set route string for all devices.
USB: xhci: Fix command wait list handling.
USB: xhci: Change how xHCI commands are handled.
USB: xhci: Refactor input device context setup.
USB: xhci: Endpoint representation refactoring.
USB: gadget: ether needs to select CRC32
USB: fix USBTMC get_capabilities success handling
USB: fix missing error check in probing
USB: usbfs: add USBDEVFS_URB_BULK_CONTINUATION flag
USB: support for autosuspend in sierra while online
USB: ehci-dbgp,ehci: Allow dbpg to work with suspend/resume
USB: ehci-dbgp,documentation: Documentation updates for ehci-dbgp
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: don't force VIRTIO_F_NOTIFY_ON_EMPTY
lguest: cleanup for map_switcher()
lguest: use PGDIR_SHIFT for PAE code to allow different PAGE_OFFSET
lguest: use set_pte/set_pmd uniformly for real page table entries
lguest: move panic notifier registration to its expected place.
virtio_blk: add support for cache flush
virtio: add virtio IDs file
virtio: get rid of redundant VIRTIO_ID_9P definition
virtio: make add_buf return capacity remaining
virtio_pci: minor MSI-X cleanups
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My 58fa879e1e640a1856f736b418984ebeccee1c95 "mm: FOLL flags for GUP flags"
broke CONFIG_NOMMU build by forgetting to update nommu.c foll_flags type:
mm/nommu.c:171: error: conflicting types for `__get_user_pages'
mm/internal.h:254: error: previous declaration of `__get_user_pages' was here
make[1]: *** [mm/nommu.o] Error 1
My 03f6462a3ae78f36eb1f0ee8b4d5ae2f7859c1d5 "mm: move highest_memmap_pfn"
broke CONFIG_NOMMU build by forgetting to add a nommu.c highest_memmap_pfn:
mm/built-in.o: In function `memmap_init_zone':
(.meminit.text+0x326): undefined reference to `highest_memmap_pfn'
mm/built-in.o: In function `memmap_init_zone':
(.meminit.text+0x32d): undefined reference to `highest_memmap_pfn'
Fix both breakages, and give myself 30 lashes (ouch!)
Reported-by: Michal Simek <michal.simek@petalogix.com>
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For this system call user space passes a signed long length parameter,
while the kernel side takes an unsigned long parameter and converts it
later to signed long again.
This has led to bugs in compat wrappers see e.g. dd90bbd5 "powerpc: Add
compat_sys_truncate". The s390 compat wrapper for this functions is
broken as well since it also performs zero extension instead of sign
extension for the length parameter.
In addition if hpa comes up with an automated way of generating
compat wrappers it would generate a wrong one here.
So change the length parameter from unsigned long to long.
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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