Core:
* Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
that support Data Tag will provide increased throughput for metadata.
* Faster detection of card removal on I/O errors.
Drivers:
* dw_mmc now supports eMMC Power Off Notify, has PCI support, and
implements pre_req and post_req for asynchronous requests.
* omap_hsmmc now supports device tree.
* esdhc now has power management support.
* sdhci-tegra now supports Tegra30 devices.
* sdhci-spear now supports hibernation.
* tmio_mmc now supports using a GPIO for card detection.
* Intel PCH now supports 8-bit bus transfers.
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Merge tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
Core:
* Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
that support Data Tag will provide increased throughput for metadata.
* Faster detection of card removal on I/O errors.
Drivers:
* dw_mmc now supports eMMC Power Off Notify, has PCI support, and
implements pre_req and post_req for asynchronous requests.
* omap_hsmmc now supports device tree.
* esdhc now has power management support.
* sdhci-tegra now supports Tegra30 devices.
* sdhci-spear now supports hibernation.
* tmio_mmc now supports using a GPIO for card detection.
* Intel PCH now supports 8-bit bus transfers.
* tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits)
mmc: sh_mmcif: simplify bitmask macros
mmc: sh_mobile_sdhi: support modular mmc-core with non-standard hotplug
mmc: sh_mobile_sdhi: add a callback for board specific init code
mmc: tmio: cosmetic: prettify the tmio_mmc_set_ios() function
mmc: sh_mobile_sdhi: do not manage PM clocks manually
mmc: tmio_mmc: remove unused sdio_irq_enabled flag
mmc: tmio_mmc: power status flag doesn't have to be exposed in platform data
mmc: sh_mobile_sdhi: pass card hotplug GPIO number to TMIO MMC
mmc: tmio_mmc: support the generic MMC GPIO card hotplug helper
mmc: tmio: calculate the native hotplug condition only once
mmc: simplify mmc_cd_gpio_request() by removing two parameters
mmc: sdhci-pci: allow 8-bit bus width for Intel PCH
mmc: sdhci: check interrupt flags in ISR again
mmc: sdhci-pci: Add MSI support
mmc: core: warn when card doesn't support HPI
mmc: davinci: Poll status for small size transfers
mmc: davinci: Eliminate spurious interrupts
mmc: omap_hsmmc: Avoid a regulator voltage change with dt
mmc: omap_hsmmc: Convert hsmmc driver to use device tree
mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIO
...
Merge third batch of patches from Andrew Morton:
- Some MM stragglers
- core SMP library cleanups (on_each_cpu_mask)
- Some IPI optimisations
- kexec
- kdump
- IPMI
- the radix-tree iterator work
- various other misc bits.
"That'll do for -rc1. I still have ~10 patches for 3.4, will send
those along when they've baked a little more."
* emailed from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
backlight: fix typo in tosa_lcd.c
crc32: add help text for the algorithm select option
mm: move hugepage test examples to tools/testing/selftests/vm
mm: move slabinfo.c to tools/vm
mm: move page-types.c from Documentation to tools/vm
selftests/Makefile: make `run_tests' depend on `all'
selftests: launch individual selftests from the main Makefile
radix-tree: use iterators in find_get_pages* functions
radix-tree: rewrite gang lookup using iterator
radix-tree: introduce bit-optimized iterator
fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
nbd: rename the nbd_device variable from lo to nbd
pidns: add reboot_pid_ns() to handle the reboot syscall
sysctl: use bitmap library functions
ipmi: use locks on watchdog timeout set on reboot
ipmi: simplify locking
ipmi: fix message handling during panics
ipmi: use a tasklet for handling received messages
ipmi: increase KCS timeouts
ipmi: decrease the IPMI message transaction time in interrupt mode
...
crashkernel reservation need know the total memory size. Current
get_total_mem simply use max_pfn - min_low_pfn. It is wrong because it
will including memory holes in the middle.
Especially for kvm guest with memory > 0xe0000000, there's below in qemu
code: qemu split memory as below:
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
below_4g_mem_size = 0xe0000000;
} else {
below_4g_mem_size = ram_size;
}
So for 4G mem guest, seabios will insert a 512M usable region beyond of
4G. Thus in above case max_pfn - min_low_pfn will be more than original
memsize.
Fixing this issue by using memblock_phys_mem_size() to get the total
memsize.
Signed-off-by: Dave Young <dyoung@redhat.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This was marked as obsolete for quite a while now.. Now it is time to
remove it altogether. And while doing this, get rid of first_cpu() as
well. Also, remove the redundant setting of cpu_online_mask in
smp_prepare_cpus() because the generic code would have already set cpu 0
in cpu_online_mask.
Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We have lots of infrastructure in place to partition multi-core systems
such that we have a group of CPUs that are dedicated to specific task:
cgroups, scheduler and interrupt affinity, and cpuisol= boot parameter.
Still, kernel code will at times interrupt all CPUs in the system via IPIs
for various needs. These IPIs are useful and cannot be avoided
altogether, but in certain cases it is possible to interrupt only specific
CPUs that have useful work to do and not the entire system.
This patch set, inspired by discussions with Peter Zijlstra and Frederic
Weisbecker when testing the nohz task patch set, is a first stab at trying
to explore doing this by locating the places where such global IPI calls
are being made and turning the global IPI into an IPI for a specific group
of CPUs. The purpose of the patch set is to get feedback if this is the
right way to go for dealing with this issue and indeed, if the issue is
even worth dealing with at all. Based on the feedback from this patch set
I plan to offer further patches that address similar issue in other code
paths.
This patch creates an on_each_cpu_mask() and on_each_cpu_cond()
infrastructure API (the former derived from existing arch specific
versions in Tile and Arm) and uses them to turn several global IPI
invocation to per CPU group invocations.
Core kernel:
on_each_cpu_mask() calls a function on processors specified by cpumask,
which may or may not include the local processor.
You must not call this function with disabled interrupts or from a
hardware interrupt handler or from a bottom half handler.
arch/arm:
Note that the generic version is a little different then the Arm one:
1. It has the mask as first parameter
2. It calls the function on the calling CPU with interrupts disabled,
but this should be OK since the function is called on the other CPUs
with interrupts disabled anyway.
arch/tile:
The API is the same as the tile private one, but the generic version
also calls the function on the with interrupts disabled in UP case
This is OK since the function is called on the other CPUs
with interrupts disabled.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Sasha Levin <levinsasha928@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Avi Kivity <avi@redhat.com>
Acked-by: Michal Nazarewicz <mina86@mina86.org>
Cc: Kosaki Motohiro <kosaki.motohiro@gmail.com>
Cc: Milton Miller <miltonm@bga.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f2
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
get_signal_to_deliver() already resets the signal handler if SA_ONESHOT is
set in ka->sa.sa_flags, there's no need to do it again in handle_signal().
Furthermore, because we were modifying ka->sa.sa_handler (which is a copy
of sighand->action[]) instead of sighand->action[] the original code had
no effect on signal delivery.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system
Pull "Disintegrate and delete asm/system.h" from David Howells:
"Here are a bunch of patches to disintegrate asm/system.h into a set of
separate bits to relieve the problem of circular inclusion
dependencies.
I've built all the working defconfigs from all the arches that I can
and made sure that they don't break.
The reason for these patches is that I recently encountered a circular
dependency problem that came about when I produced some patches to
optimise get_order() by rewriting it to use ilog2().
This uses bitops - and on the SH arch asm/bitops.h drags in
asm-generic/get_order.h by a circuituous route involving asm/system.h.
The main difficulty seems to be asm/system.h. It holds a number of
low level bits with no/few dependencies that are commonly used (eg.
memory barriers) and a number of bits with more dependencies that
aren't used in many places (eg. switch_to()).
These patches break asm/system.h up into the following core pieces:
(1) asm/barrier.h
Move memory barriers here. This already done for MIPS and Alpha.
(2) asm/switch_to.h
Move switch_to() and related stuff here.
(3) asm/exec.h
Move arch_align_stack() here. Other process execution related bits
could perhaps go here from asm/processor.h.
(4) asm/cmpxchg.h
Move xchg() and cmpxchg() here as they're full word atomic ops and
frequently used by atomic_xchg() and atomic_cmpxchg().
(5) asm/bug.h
Move die() and related bits.
(6) asm/auxvec.h
Move AT_VECTOR_SIZE_ARCH here.
Other arch headers are created as needed on a per-arch basis."
Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that. We'll find out anything that got broken and fix it..
* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
Delete all instances of asm/system.h
Remove all #inclusions of asm/system.h
Add #includes needed to permit the removal of asm/system.h
Move all declarations of free_initmem() to linux/mm.h
Disintegrate asm/system.h for OpenRISC
Split arch_align_stack() out from asm-generic/system.h
Split the switch_to() wrapper out of asm-generic/system.h
Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
Create asm-generic/barrier.h
Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
Disintegrate asm/system.h for Xtensa
Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
Disintegrate asm/system.h for Tile
Disintegrate asm/system.h for Sparc
Disintegrate asm/system.h for SH
Disintegrate asm/system.h for Score
Disintegrate asm/system.h for S390
Disintegrate asm/system.h for PowerPC
Disintegrate asm/system.h for PA-RISC
Disintegrate asm/system.h for MN10300
...
Pull a few more things for powerpc by Benjamin Herrenschmidt:
- Anton's did some recent improvements to EPOW event reporting on
pSeries (power supply failures and such). The patches are self
contained enough and replace really nasty code so I felt it should
still go in
- I did the vio driver registration change Greg requested, I don't see
the point of leaving that til the next merge window
- The remaining EEH changes I said were still pending to get rid of the
EEH references from the generic struct device_node
- A few more iSeries removal bits
- A perf bug fix on 970
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/perf: Fix instruction address sampling on 970 and Power4
powerpc+sparc/vio: Modernize driver registration
powerpc: Random little legacy iSeries removal tidy ups
powerpc: Remove NO_IRQ_IGNORE
powerpc/pseries: Cut down on enthusiastic use of defines in RAS code
powerpc/pseries: Clean up ras_error_interrupt code
powerpc/pseries: Remove RTAS_POWERMGM_EVENTS
powerpc/pseries: Use rtas_get_sensor in RAS code
powerpc/pseries: Parse and handle EPOW interrupts
powerpc: Make function that parses RTAS error logs global
powerpc/eeh: Retrieve PHB from global list
powerpc/eeh: Remove eeh information from pci_dn
powerpc/eeh: Remove eeh device from OF node
Pull kvm updates from Avi Kivity:
"Changes include timekeeping improvements, support for assigning host
PCI devices that share interrupt lines, s390 user-controlled guests, a
large ppc update, and random fixes."
This is with the sign-off's fixed, hopefully next merge window we won't
have rebased commits.
* 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (130 commits)
KVM: Convert intx_mask_lock to spin lock
KVM: x86: fix kvm_write_tsc() TSC matching thinko
x86: kvmclock: abstract save/restore sched_clock_state
KVM: nVMX: Fix erroneous exception bitmap check
KVM: Ignore the writes to MSR_K7_HWCR(3)
KVM: MMU: make use of ->root_level in reset_rsvds_bits_mask
KVM: PMU: add proper support for fixed counter 2
KVM: PMU: Fix raw event check
KVM: PMU: warn when pin control is set in eventsel msr
KVM: VMX: Fix delayed load of shared MSRs
KVM: use correct tlbs dirty type in cmpxchg
KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
KVM: Ensure all vcpus are consistent with in-kernel irqchip settings
KVM: x86 emulator: Allow PM/VM86 switch during task switch
KVM: SVM: Fix CPL updates
KVM: x86 emulator: VM86 segments must have DPL 3
KVM: x86 emulator: Fix task switch privilege checks
arch/powerpc/kvm/book3s_hv.c: included linux/sched.h twice
KVM: x86 emulator: correctly mask pmc index bits in RDPMC instruction emulation
KVM: mmu_notifier: Flush TLBs before releasing mmu_lock
...
Pull module and param updates from Rusty Russell:
"I'm getting married next week, and then honeymoon until 6th May. I'll
be offline from next week, except to post the compulsory pictures if
Alex shaves her head..."
I'm sure Rusty can take time off from his honeymoon if something comes
up. And here's the explanation about head shaving:
http://baldalex.org/
in case you wondered and wanted to support another insane caper or
Rusty's involving shaving.
What *is* it with Rusty and shaving, anyway?
* git://github.com/rustyrussell/linux:
module: Remove module size limit
module: move __module_get and try_module_get() out of line.
params: <level>_initcall-like kernel parameters
module_param: remove support for bool parameters which are really int.
module: add kernel param to force disable module load
Pull x86 platform driver updates from Matthew Garrett:
"Some significant updates to samsung-laptop, additional hardware
support for Toshibas, misc updates to various hardware and a new
backlight driver for some Apple machines."
Fix up trivial conflicts: geode Geos update happening next to net5501
support, and MSIC thermal platform support added twice.
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (77 commits)
acer-wmi: add quirk table for video backlight vendor mode
drivers/platform/x86/amilo-rfkill.c::amilo_rfkill_probe() avoid NULL deref
samsung-laptop: unregister ACPI video module for some well known laptops
acer-wmi: No wifi rfkill on Sony machines
thinkpad-acpi: recognize Lenovo as version string in newer V-series BIOS
asus-wmi: don't update power and brightness when using scalar
eeepc-wmi: split et2012 specific hacks
eeepc-wmi: refine quirks handling
asus-nb-wmi: set panel_power correctly
asus-wmi: move WAPF variable into quirks_entry
asus-wmi: store backlight power status for AIO machine
asus-wmi: add scalar board brightness adj. support
samsung-laptop: cleanup return type: mode_t vs umode_t
drivers, samsung-laptop: fix usage of isalnum
drivers, samsung-laptop: fix initialization of sabi_data in sabi_set_commandb
asus-wmi: on/off bit is not set when reading the value
eeepc-wmi: add extra keymaps for EP121
asus-nb-wmi: ignore useless keys
acer-wmi: support Lenovo ideapad S205 Brazos wifi switch
acer-wmi: fix out of input parameter size when set
...
Primarily gpio device driver changes with some minor side effects
under arch/arm and arch/x86. Also includes a few core changes such as
explicitly supporting (electrical) open source and open drain outputs
and some help for parsing gpio devicetree properties.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull GPIO changes for v3.4 from Grant Likely:
"Primarily gpio device driver changes with some minor side effects
under arch/arm and arch/x86. Also includes a few core changes such as
explicitly supporting (electrical) open source and open drain outputs
and some help for parsing gpio devicetree properties."
Fix up context conflict due to Laxman Dewangan adding sleep control for
the tps65910 driver separately for gpio's and regulators.
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
gpio/ep93xx: Remove unused inline function and useless pr_err message
gpio/sodaville: Mark broken due to core irqdomain migration
gpio/omap: fix redundant decoding of gpio offset
gpio/omap: fix incorrect update to context.irqenable1
gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*
gpio/omap: fix missing dataout context save in _set_gpio_dataout_reg
gpio/omap: fix _set_gpio_irqenable implementation
gpio/omap: fix trigger type to unsigned
gpio/omap: fix wakeup_en register update in _set_gpio_wakeup()
gpio: tegra: tegra_gpio_config shouldn't be __init
gpio/davinci: fix enabling unbanked GPIO IRQs
gpio/davinci: fix oops on unbanked gpio irq request
gpio/omap: Fix section warning for omap_mpuio_alloc_gc()
ARM: tegra: export tegra_gpio_{en,dis}able
gpio/gpio-stmpe: Fix the value returned by _get_value routine
Documentation/gpio.txt: Explain expected pinctrl interaction
GPIO: LPC32xx: Add output reading to GPO P3
GPIO: LPC32xx: Fix missing bit selection mask
gpio/omap: fix wakeups on level-triggered GPIOs
gpio/omap: Fix IRQ handling for SPARSE_IRQ
...
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Merge tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD changes from Samuel Ortiz:
- 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583 and
TI's TPS65090 and TPS65217.
- New variants support (8420, 8520 ab9540), cleanups and bug fixes for
the abx500 and db8500 ST-E chipsets.
- Some minor fixes and update for the wm8994 from Mark.
- The beginning of a long term TWL cleanup effort coming from the TI
folks.
- Various fixes and cleanups for the s5m, TPS659xx, pm860x, and MAX8997
drivers.
Fix up trivial conflicts due to duplicate patches and header file
cleanups (<linux/device.h> removal etc).
* tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (97 commits)
gpio/twl: Add DT support to gpio-twl4030 driver
gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support
mfd: Detach twl6040 from the pmic mfd driver
mfd: Replace twl-* pr_ macros by the dev_ equivalent and do various cleanups
mfd: Micro-optimization on twl4030 IRQ handler
mfd: Make twl4030 SIH SPARSE_IRQ capable
mfd: Move twl-core IRQ allocation into twl[4030|6030]-irq files
mfd: Remove references already defineid in header file from twl-core
mfd: Remove unneeded header from twl-core
mfd: Make twl-core not depend on pdata->irq_base/end
ARM: OMAP2+: board-omap4-*: Do not use anymore TWL6030_IRQ_BASE in board files
mfd: Return twl6030_mmc_card_detect IRQ for board setup
Revert "mfd: Add platform data for MAX8997 haptic driver"
mfd: Add support for TPS65090
mfd: Add some da9052-i2c section annotations
mfd: Build rtc5t583 only if I2C config is selected to y.
mfd: Add anatop mfd driver
mfd: Fix compilation error in tps65910.h
mfd: Add 8420 variant to db8500-prcmu
mfd: Add 8520 PRCMU variant to db8500-prcmu
...
This branch contains a number of updates for device tree support on
several ARM platforms, in particular:
* AT91 continues the device tree conversion adding support for a number of
on-chip drivers and other functionality
* ux500 adds probing of some of the core SoC blocks through device tree
* Initial device tree support for ST SPEAr600 platforms
* kirkwood continues the conversion to device-tree probing
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: More device tree support updates" from Olof Johansson:
"This branch contains a number of updates for device tree support on
several ARM platforms, in particular:
* AT91 continues the device tree conversion adding support for a
number of on-chip drivers and other functionality
* ux500 adds probing of some of the core SoC blocks through device
tree
* Initial device tree support for ST SPEAr600 platforms
* kirkwood continues the conversion to device-tree probing"
Manually merge arch/arm/mach-ux500/Kconfig due to MACH_U8500 rename, and
drivers/usb/gadget/at91_udc.c due to header file include cleanups.
Also do an "evil merge" for the MACH_U8500 config option rename that the
affected RMI4 touchscreen driver in staging. It's called MACH_MOP500
now, and it was missed during previous merges.
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
ARM: SPEAr600: Add device-tree support to SPEAr600 boards
ARM: ux500: Provide local timer support for Device Tree
ARM: ux500: Enable PL022 SSP Controller in Device Tree
ARM: ux500: Enable PL310 Level 2 Cache Controller in Device Tree
ARM: ux500: Enable PL011 AMBA UART Controller for Device Tree
ARM: ux500: Enable Cortex-A9 GIC (Generic Interrupt Controller) in Device Tree
ARM: ux500: db8500: list most devices in the snowball device tree
ARM: ux500: split dts file for snowball into generic part
ARM: ux500: combine the board init functions for DT boot
ARM: ux500: Initial Device Tree support for Snowball
ARM: ux500: CONFIG: Enable Device Tree support for future endeavours
ARM: kirkwood: use devicetree for rtc-mv
ARM: kirkwood: rtc-mv devicetree bindings
ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0
ARM: kirkwood: fdt: facilitate new boards during fdt migration
ARM: kirkwood: fdt: absorb kirkwood_init()
ARM: kirkwood: fdt: use mrvl ticker symbol
ARM: orion: wdt: use resource vice direct access
ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data.
ARM: orion: spi: remove enable_clock_fix which is not used
...
This branch contains a handful of updates of SoC base code that had
dependencies on other external trees that have now been merged:
* Support for the new EXYNOS5250 SoC from Samsung
* SMP and power domain support for Tegra3 from NVIDIA
* ux500 updates for exporting SoC information through sysfs
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: More SoC support updates" from Olof Johansson:
"This branch contains a handful of updates of SoC base code that had
dependencies on other external trees that have now been merged:
* Support for the new EXYNOS5250 SoC from Samsung
* SMP and power domain support for Tegra3 from NVIDIA
* ux500 updates for exporting SoC information through sysfs"
Fix up trivial merge conflicts as per Olof.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
ARM: mach-shmobile: ap4evb: Reserve DMA memory for the frame buffer
ARM: EXYNOS: Fix compilation error with mach-exynos4-dt board
ARM: dts: add initial dts file for EXYNOS5250, SMDK5250
ARM: EXYNOS: add support device tree enabled board file for EXYNOS5
ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs
ARM: EXYNOS: add support get_core_count() for EXYNOS5250
ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add interrupt definitions for EXYNOS5250
ARM: EXYNOS: add support for EXYNOS5250 SoC
ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5
ARM: EXYNOS: add clock part for EXYNOS5250 SoC
ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts()
ARM: EXYNOS: to declare static for mach-exynos/common.c
ARM: EXYNOS: Add clkdev lookup entry for lcd clock
ARM: dt: Explicitly configure all serial ports on Tegra Cardhu
ARM: tegra: support for secondary cores on Tegra30
ARM: tegra: support for Tegra30 CPU powerdomains
ARM: tegra: add support for Tegra30 powerdomains
ARM: tegra: export tegra_powergate_is_powered()
...
This branch contains a handful of driver updates, mostly to
the LPC32xx platform but also for Samsung EXYNOS and Davinci.
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Merge tag 'drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: More SoC driver updates" from Olof Johansson:
"This branch contains a handful of driver updates, mostly to the
LPC32xx platform but also for Samsung EXYNOS and Davinci.
It had a few context conflicts against patches already merged through
fixes-non-critical. We should have resolved this early during the
development cycle by pulling them in as a dependency, instead I did it
after the fact this time."
* tag 'drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
gpio/samsung: use ioremap() for EXYNOS4 GPIOlib
gpio/samsung: add support GPIOlib for EXYNOS5250
ARM: EXYNOS: add support GPIO for EXYNOS5250
ARM: LPC32xx: Ethernet support
ARM: LPC32xx: USB Support
ARM: davinci: dm644x evm: add support for VPBE display
ARM: davinci: dm644x: add support for v4l2 video display
ARM: EXYNOS: Hook up JPEG PD to generic PD infrastructure
ARM: EXYNOS: Hook up G2D PD to generic PD infrastructure
arm: lpc32xx: phy3250: add rtc & touch device
ARM: LPC32xx: clock.c: Clock registration fixes
ARM: LPC32xx: clock.c: jiffies wrapping
ARM: LPC32xx: clock.c: Missing header file
ARM: LPC32XX: Remove broken non-static declaration
ARM: LPC32xx: clock.c: Fix mutex lock issues
ARM: LPC32xx: clock.c: warning fix
ARM: LPC32xx: Added lpc32xx_defconfig
Add information about LVT offset assignments to better debug firmware
bugs related to this. See following examples.
# dmesg | grep -i 'offset\|ibs'
LVT offset 0 assigned for vector 0xf9
[Firmware Bug]: cpu 0, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
[Firmware Bug]: cpu 0, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
Failed to setup IBS, -22
In this case the BIOS assigns both offsets for MCE (0xf9) and IBS
(0x400) vectors to offset 0, which is why the second APIC setup (IBS)
failed.
With correct setup you get:
# dmesg | grep -i 'offset\|ibs'
LVT offset 0 assigned for vector 0xf9
LVT offset 1 assigned for vector 0x400
IBS: LVT offset 1 assigned
perf: AMD IBS detected (0x00000007)
oprofile: AMD IBS detected (0x00000007)
Note: The vector includes also the message type to handle also NMIs
(0x400). In the firmware bug message the format is the same as of the
APIC500 register and includes the mask bit (bit 16) in addition.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it. Performed with the following command:
perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`
Signed-off-by: David Howells <dhowells@redhat.com>
Disintegrate asm/system.h for Unicore32. (Compilation successful)
The implementation details are not changed, but only splitted.
BTW, some codestyles are adjusted.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Disintegrate asm/system.h for PowerPC.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: linuxppc-dev@lists.ozlabs.org
Fix the m68k versions of xchg() and cmpxchg() to fail to link if given an
inappropriately sized pointer rather than BUG()'ing at runtime.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
cc: linux-m68k@lists.linux-m68k.org
Disintegrate asm/system.h for IA64.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Tony Luck <tony.luck@intel.com>
cc: linux-ia64@vger.kernel.org
Disintegrate asm/system.h for Hexagon. Not compiled.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
cc: linux-hexagon@vger.kernel.org
Disintegrate asm/system.h for C6X.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
cc: linux-c6x-dev@linux-c6x.org
Disintegrate asm/system.h for AVR32. This has not been compiled at all.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Disintegrate asm/system.h for ARM.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: linux-arm-kernel@lists.infradead.org
Avoid namespace conflicts with drivers over the CP15 definitions by
moving CP15 related prototypes and definitions to a private header
file.
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com> [Tegra]
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> [EP93xx]
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
These are used as offsets into an array of GDT_ENTRY_TLS_ENTRIES members
so GDT_ENTRY_TLS_ENTRIES is one past the end of the array.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://lkml.kernel.org/r/20120324075250.GA28258@elgon.mountain
Cc: <stable@vger.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
commit 737f360d5b (linux-next)
"regulator: Remove support for supplies specified by struct device"
deletes the field from the struct, but this platform was still trying
to set those fields. Delete the assignments.
arch/arm/mach-pxa/magician.c:581: error: unknown field 'dev' specified in initializer
arch/arm/mach-pxa/magician.c:581: warning: initialization from incompatible pointer type
arch/arm/mach-pxa/magician.c:585: error: unknown field 'dev' specified in initializer
arch/arm/mach-pxa/magician.c:585: warning: initialization from incompatible pointer type
arch/arm/mach-pxa/hx4700.c:683: error: unknown field 'dev' specified in initializer
arch/arm/mach-pxa/hx4700.c:683: warning: initialization from incompatible pointer type
arch/arm/mach-pxa/hx4700.c:687: error: unknown field 'dev' specified in initializer
arch/arm/mach-pxa/hx4700.c:687: warning: initialization from incompatible pointer type
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Xen dom0 needs to paravirtualize IO operations to the IO APIC,
so add a io_apic_ops for it to intercept. Do this as ops
structure because there's at least some chance that another
paravirtualized environment may want to intercept these.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: jwboyer@redhat.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/1332385090-18056-2-git-send-email-konrad.wilk@oracle.com
[ Made all the affected code easier on the eyes ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Polling for card hotplug events is a better option than using SDHI native
hotplug interrupt, because the latter option forces the controller to stay
permanently powered up and enabled.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Now that userspace is making use of kernel-provided sanitized headers for
working out supported interfaces, we need to be a bit more diligent with
matching the syscall definitions with their actual wiring/support state.
In theory it shouldn't hurt anything since sys_ni_syscall will ultimately
do the right thing, but there's also not much need to lie about legacy
x86 syscalls that we've never supported.
This tightens things up a bit for uClibc at least.
Suggested-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
If in big-endian mode, switch the PCI bus, too.
Tested on both litte-endian and big-endian sh7785lcr.
Signed-off-by: Thomas Schwinge <thomas@codesourcery.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
CHCR of SH7763, SH7764, SH7780 and SH7785 is constitution same as SH7757.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
CHCR of SH7723 and SH7730 is constitution same as SH7724.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Other files are not done include definitely by asm/system.h made
include in asm/bitops.h.
This patch remove asm/system.h from asm/bitops.h.
-----
LANG=C make ARCH=sh CROSS_COMPILE=sh4-linux-gnu-
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/machtypes.h' is up to date.
CC arch/sh/kernel/asm-offsets.s
In file included from include/asm-generic/getorder.h:7,
from /home/iwamatsu/work/kernel/sh-2.6-devel/arch/sh/include/asm/page.h:187,
from /home/iwamatsu/work/kernel/sh-2.6-devel/arch/sh/include/asm/mmu.h:38,
from /home/iwamatsu/work/kernel/sh-2.6-devel/arch/sh/include/asm/system_32.h:5,
from /home/iwamatsu/work/kernel/sh-2.6-devel/arch/sh/include/asm/system.h:179,
from /home/iwamatsu/work/kernel/sh-2.6-devel/arch/sh/include/asm/bitops.h:10,
from include/linux/bitops.h:22,
from include/linux/thread_info.h:52,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:4,
from include/linux/mm.h:8,
from arch/sh/kernel/asm-offsets.c:13:
include/linux/log2.h: In function '__ilog2_u32':
include/linux/log2.h:34: error: implicit declaration of function 'fls'
include/linux/log2.h: In function '__ilog2_u64':
include/linux/log2.h:42: error: implicit declaration of function 'fls64'
include/linux/log2.h: In function '__roundup_pow_of_two':
include/linux/log2.h:63: error: implicit declaration of function 'fls_long'
-----
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Simple bug fixes that were not considered important enough for inclusion
into 3.3. One bug fix was originally intended for 3.3 but accidentally
got missed, but is not marked stable because it should only get
backported once later fixes also make it into v3.4.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge branch 'fixes-non-critical' into next/drivers2
fixes-non-critical has already been merged upstream, and there are a
handful of annoying context conflicts that it makes sense to resolve
before sending up. Part of this is because there was parallel development
going on between more urgent fixes and general driver fixups, it should
settle down once the lpc32xx platform reaches a more steady state.
Conflicts:
arch/arm/mach-lpc32xx/clock.c
arch/arm/mach-lpc32xx/common.h
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull s390 patches part 2 from Martin Schwidefsky:
"Some minor improvements and one additional feature for the 3.4 merge
window: Hendrik added perf support for the s390 CPU counters."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
[S390] register cpu devices for SMP=n
[S390] perf: add support for s390x CPU counters
[S390] oprofile: Allow multiple users of the measurement alert interrupt
[S390] qdio: log all adapter characteristics
[S390] Remove unncessary export of arch_pick_mmap_layout
Pull UML changes from Richard Weinberger:
"Mostly bug fixes and cleanups"
* 'for-linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (35 commits)
um: Update defconfig
um: Switch to large mcmodel on x86_64
MTD: Relax dependencies
um: Wire CONFIG_GENERIC_IO up
um: Serve io_remap_pfn_range()
Introduce CONFIG_GENERIC_IO
um: allow SUBARCH=x86
um: most of the SUBARCH uses can be killed
um: deadlock in line_write_interrupt()
um: don't bother trying to rebuild CHECKFLAGS for USER_OBJS
um: use the right ifdef around exports in user_syms.c
um: a bunch of headers can be killed by using generic-y
um: ptrace-generic.h doesn't need user.h
um: kill HOST_TASK_PID
um: remove pointless include of asm/fixmap.h from asm/pgtable.h
um: asm-offsets.h might as well come from underlying arch...
um: merge processor_{32,64}.h a bit...
um: switch close_chan() to struct line
um: race fix: initialize delayed_work *before* registering IRQ
um: line->have_irq is never checked...
...
Pull arch/microblaze fixes from Michal Simek
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Handle TLB skip size dynamically
microblaze: Introduce TLB skip size
microblaze: Improve TLB calculation for small systems
microblaze: Extend space for compiled-in FDT to 32kB
microblaze: Clear all MSR flags on the first kernel instruction
microblaze: Use node name instead of compatible string
microblaze: Fix mapin_ram function
microblaze: Highmem support
microblaze: Use active regions
microblaze: Show more detailed information about memory
microblaze: Introduce fixmap
microblaze: mm: Fix lowmem max memory size limits
microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL
microblaze: trivial: Fix typo fault in timer.c
microblaze: Use vsprintf extention %pf with builtin_return_address
microblaze: Add PVR version string for MB 8.20.b and 8.30.a
microblaze: Fix makefile to work with latest toolchain
microblaze: Fix typo in early_printk.c
Pull ARM platform updates from Russell King:
"This covers platform stuff for platforms I have a direct interest in
(iow, I have the hardware). Essentially:
- as we no longer support any other Acorn platforms other than RiscPC
anymore, we can collect all that code into mach-rpc.
- convert Acorn expansion card stuff to use IRQ allocation functions,
and get rid of NO_IRQ from there.
- cleanups to the ebsa110 platform to move some private stuff out of
its header files.
- large amount of SA11x0 updates:
- conversion of private DMA implementation to DMA engine support
(this actually gives us greater flexibility in drivers over the old
API.)
- re-worked ucb1x00 updates - convert to genirq, remove sa11x0
dependencies, fix various minor issues
- move platform specific sa11x0 framebuffer data into platform files
in arch/arm instead of keeping this in the driver itself
- update sa11x0 IrDA driver for DMA engine, and allow it to use DMA
for SIR transmissions as well as FIR
- rework sa1111 support for genirq, and irq allocation
- fix sa1111 IRQ support so it works again
- use sparse IRQ support
After this, I have one more pull request remaining from my current
set, which I think is going to be the most problematical as it
generates 8 conflicts."
Fixed up the trivial conflict in arch/arm/mach-rpc/Makefile as per
Russell.
* 'platforms' of git://git.linaro.org/people/rmk/linux-arm: (125 commits)
ARM: 7343/1: sa11x0: convert to sparse IRQ
ARM: 7342/2: sa1100: prepare for sparse irq conversion
ARM: 7341/1: input: prepare jornada720 keyboard and ts for sa11x0 sparse irq
ARM: 7340/1: rtc: sa1100: include mach/irqs.h instead of asm/irq.h
ARM: sa11x0: remove unused DMA controller definitions
ARM: sa11x0: remove old SoC private DMA driver
USB: sa1111: add hcd .reset method
USB: sa1111: add OHCI shutdown methods
USB: sa1111: reorganize ohci-sa1111.c
USB: sa1111: get rid of nasty printk(KERN_DEBUG "%s: ...", __FILE__)
USB: sa1111: sparse and checkpatch cleanups
ARM: sa11x0: don't static map sa1111
ARM: sa1111: use dev_err() rather than printk()
ARM: sa1111: cleanup sub-device registration and unregistration
ARM: sa1111: only setup DMA for DMA capable devices
ARM: sa1111: register sa1111 devices with dmabounce in bus notifier
ARM: sa1111: move USB interface register definitions to ohci-sa1111.c
ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.c
ARM: sa1111: move PS/2 interface register definitions to sa1111p2.c
ARM: sa1111: delete unused physical GPIO register definitions
...
970 and Power4 don't support "continuous sampling" which means that
when we aren't in marked instruction sampling mode (marked events),
SIAR isn't updated with the last instruction sampled before the
perf interrupt. On those processors, we must thus use the exception
SRR0 value as the sampled instruction pointer.
Those processors also don't support the SIPR and SIHV bits in MMCRA
which means we need some kind of heuristic to decide if SIAR values
represent kernel or user addresses.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This makes vio_register_driver() get the module owner & name at compile
time like PCI drivers do, and adds a name pointer directly in struct
vio_driver to avoid having to explicitly initialize the embedded
struct device.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David S. Miller <davem@davemloft.net>
Now that legacy iSeries is gone, this is no longer used.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
So many defines for such a little file. Most of them can go.
Also remove the single entry changelog, we have git for that.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The RAS error interrupt is no longer used but we may as well
mirror the changes we made to the EPOW interrupt.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
IBM bit 2 in the rtas event-scan and check-exception calls is
marked reserved in the PAPR, so remove it from our RAS code.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
We have rtas_get_sensor so we may as well use it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
We have code to take environmental and power warning (EPOW)
interrupts but it simply prints a terse error message:
EPOW <0x6240040000000b8 0x0 0x0>
which tells us nothing about what happened. Even worse, if we
don't correctly respond to the interrupt we may get terminated
by firmware.
Add code to printk some useful information when we get EPOW events.
We want to make it clear that we have an error, that it was
reported by firmware and that the RTAS error log will have more
detailed information. eg:
Ambient temperature too high reported by firmware.
Check RTAS error log for details
Depending on the error encountered, we now issue an immediate or
an orderly power down.
Move initialization of the EPOW interrupt earlier in boot since we
want to respond to them as early as possible.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The IO event interrupt code has a function that finds specific
sections in an RTAS error log. We want to use it in the EPOW
code so make it global.
Rename things to make it less cryptic:
find_xelog_section() -> get_pseries_errorlog()
struct pseries_elog_section -> struct pseries_errorlog
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Currently, the existing PHBs are retrieved from the FDT (Flat
Device Tree) based on the name of FDT node. Specificly, those
FDT nodes whose names have prefix "pci" are regarded as PHBs.
That's inappropriate because some PCI bridges possibilly have
names leading with "pci". It caused EEH is enabled on same
PCI devices for towice.
The patch fixes the above issue. Besides, the PHBs are expected
to be figured out from FDT before enable EEH on them. Therefore,
it's resonable to retrieve the PHBs from the global linked list
traced by variable "hose_list" insteading poking them from FDT.
For the EEH implementation on pSeries platform, RTAS is critical
because all low-level functions are implemented based on RTAS.
Therefore, we should make sure "/rtas" OF node is available and
ready before to enable EEH core. However, it actually introduced
duplicate since the previous pSeries platform dependent initialization
function already do the check. Besides, we want to make eeh core
platform independent, so RTAS related staff should be removed there.
The patch removes the duplicate check on "/rtas" OF node for eeh
core.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The patch removes the eeh information from pci_dn since the eeh
device (struct eeh_dev) already contained those information and
the copy in pci_dn is no longer used except for the pseries iommu
mapping code, which we change to retrieve the PE address from eeh
device instead.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Originally, the PCI sensitive OF node is tracing the eeh device
through struct device_node->edev. However, it was regarded as
bad idea.
The patch removes struct device_node->edev and uses PCI_DN to
trace the corresponding eeh device according to BenH's comments.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* 'for-3.4/fixes-for-io-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: Include assembler.h in sleep.S to fix build break
Most of these patches convert code from using static platform data to
describing the hardware in the device tree. This is only the first
half of the changes for v3.4 because a lot of patches for this topic
came in the last week before the merge window.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: device tree work" from Arnd Bergmann:
"Most of these patches convert code from using static platform data to
describing the hardware in the device tree. This is only the first
half of the changes for v3.4 because a lot of patches for this topic
came in the last week before the merge window.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fix up trivial conflicts in arch/arm/mach-vexpress/{Kconfig,core.h}
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (86 commits)
Document: devicetree: add OF documents for arch-mmp
ARM: dts: append DTS file of pxa168
ARM: mmp: append OF support on pxa168
ARM: mmp: enable rtc clk in pxa168
i2c: pxa: add OF support
serial: pxa: add OF support
arm/dts: mt_ventoux: very basic support for TeeJet Mt.Ventoux board
ARM: OMAP2+: Remove extra ifdefs for board-generic
ARM: OMAP2+: Fix build error when only ARCH_OMAP2/3 or 4 is selected
ASoC: DT: Add digital microphone binding to PAZ00 board.
ARM: dt: Add ARM PMU to tegra*.dtsi
ARM: at91: at91sam9x5cm/dt: add leds support
ARM: at91: usb_a9g20/dt: add gpio-keys support
ARM: at91: at91sam9m10g45ek/dt: add gpio-keys support
ARM: at91: at91sam9m10g45ek/dt: add leds support
ARM: at91: usb_a9g20/dt: add leds support
ARM: at91/pio: add new PIO3 features
ARM: at91: add sam9_smc.o to at91sam9x5 build
ARM: at91/tc/clocksource: Add 32 bit variant to Timer Counter
ARM: at91/tc: add device tree support to atmel_tclib
...
These are all specific to some driver. They are typically the platform
side of a change in the drivers directory, such as adding a new driver
or extending the interface to the platform. In cases where there is no
maintainer for the driver, or the maintainer prefers to have the
platform changes in the same branch as the driver changes, the patches
to the drivers are included as well.
A much smaller set of driver updates that depend on other branches
getting merged first will be sent later.
The new export of tegra_chip_uid conflicts with other changes in fuse.c.
In rtc-sa1100.c, the global removal of IRQF_DISABLED conflicts with
the cleanup of the interrupt handling of that driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: driver specific updates" from Arnd Bergmann:
"These are all specific to some driver. They are typically the
platform side of a change in the drivers directory, such as adding a
new driver or extending the interface to the platform. In cases where
there is no maintainer for the driver, or the maintainer prefers to
have the platform changes in the same branch as the driver changes,
the patches to the drivers are included as well.
A much smaller set of driver updates that depend on other branches
getting merged first will be sent later.
The new export of tegra_chip_uid conflicts with other changes in
fuse.c. In rtc-sa1100.c, the global removal of IRQF_DISABLED
conflicts with the cleanup of the interrupt handling of that driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fixed up aforementioned trivial conflicts.
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
ARM: SAMSUNG: change the name from s3c-sdhci to exynos4-sdhci
mmc: sdhci-s3c: add platform data for the second capability
ARM: SAMSUNG: support the second capability for samsung-soc
ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC
ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1
ARM: EXYNOS: Enable MDMA driver
regulator: Remove bq24022 regulator driver
rtc: sa1100: add OF support
pxa: magician/hx4700: Convert to gpio-regulator from bq24022
ARM: OMAP3+: SmartReflex: fix error handling
ARM: OMAP3+: SmartReflex: fix the use of debugfs_create_* API
ARM: OMAP3+: SmartReflex: micro-optimization for sanity check
ARM: OMAP3+: SmartReflex: misc cleanups
ARM: OMAP3+: SmartReflex: move late_initcall() closer to its argument
ARM: OMAP3+: SmartReflex: add missing platform_set_drvdata()
ARM: OMAP3+: hwmod: add SmartReflex IRQs
ARM: OMAP3+: SmartReflex: clear ERRCONFIG_VPBOUNDINTST only on a need
ARM: OMAP3+: SmartReflex: Fix status masking in ERRCONFIG register
ARM: OMAP3+: SmartReflex: Add a shutdown hook
ARM: OMAP3+: SmartReflex Class3: disable errorgen before disable VP
...
Conflicts:
arch/arm/mach-tegra/Makefile
arch/arm/mach-tegra/fuse.c
drivers/rtc/rtc-sa1100.c
This new subsystem provides a common way to talk to secondary processors
on an SoC, e.g. a DSP, GPU or service processor, using virtio as the
transport. In the long run, it should replace a few dozen vendor
specific ways to do the same thing, which all never made it into the
upstream kernel. There is a broad agreement that rpmsg is the way to
go here and several vendors have started working on replacing their
own subsystems.
Two branches each add one virtio protocol number. Fortunately the
numbers were agreed upon in advance, so there are only context changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "remoteproc/rpmsg: new subsystem" from Arnd Bergmann:
"This new subsystem provides a common way to talk to secondary
processors on an SoC, e.g. a DSP, GPU or service processor, using
virtio as the transport. In the long run, it should replace a few
dozen vendor specific ways to do the same thing, which all never made
it into the upstream kernel. There is a broad agreement that rpmsg is
the way to go here and several vendors have started working on
replacing their own subsystems.
Two branches each add one virtio protocol number. Fortunately the
numbers were agreed upon in advance, so there are only context
changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fixed up trivial protocol number conflict due to the mentioned additions
next to each other.
* tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
remoteproc: cleanup resource table parsing paths
remoteproc: remove the hardcoded vring alignment
remoteproc/omap: remove the mbox_callback limitation
remoteproc: remove the single rpmsg vdev limitation
remoteproc: safer boot/shutdown order
remoteproc: remoteproc_rpmsg -> remoteproc_virtio
remoteproc: resource table overhaul
rpmsg: fix build warning when dma_addr_t is 64-bit
rpmsg: fix published buffer length in rpmsg_recv_done
rpmsg: validate incoming message length before propagating
rpmsg: fix name service endpoint leak
remoteproc/omap: two Kconfig fixes
remoteproc: make sure we're parsing a 32bit firmware
remoteproc: s/big switch/lookup table/
remoteproc: bail out if firmware has different endianess
remoteproc: don't use virtio's weak barriers
rpmsg: rename virtqueue_add_buf_gfp to virtqueue_add_buf
rpmsg: depend on EXPERIMENTAL
remoteproc: depend on EXPERIMENTAL
rpmsg: add Kconfig menu
...
Conflicts:
include/linux/virtio_ids.h
These changes are all specific to one board only. We're trying to keep
the number of board files low, but generally board level updates are
ok on platforms that are working on moving towards DT based probing,
which will eventually lead to removing them.
The board-ams-delta.c board file gets a conflict between the removal of
ams_delta_config and the addition of a lot of other data. The Kconfig
file has two changes in the same line, and in exynos, the power domain
cleanup conflicts with the addition of the image sensor device.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: Amended a fix for a mismerge to board-omap4panda.c]
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: board specific updates" from Arnd Bergmann/Olof Johansson:
"These changes are all specific to one board only. We're trying to
keep the number of board files low, but generally board level updates
are ok on platforms that are working on moving towards DT based
probing, which will eventually lead to removing them.
The board-ams-delta.c board file gets a conflict between the removal
of ams_delta_config and the addition of a lot of other data. The
Kconfig file has two changes in the same line, and in exynos, the
power domain cleanup conflicts with the addition of the image sensor
device.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: Amended a fix for a mismerge to board-omap4panda.c]
Signed-off-by: Olof Johansson <olof@lixom.net>"
Fixed up some fairly trivial conflicts manually.
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (82 commits)
i.MX35-PDK: Add Camera support
ARM : mx35: 3ds-board: add framebuffer device
pxa/hx4700: Remove pcmcia platform_device structure
ARM: pxa/hx4700: Reduce sleep mode battery discharge by 35%
ARM: pxa/hx4700: Remove unwanted request for GPIO105
ARM: EXYNOS: support Exynos4210-bus Devfreq driver on Nuri board
ARM: EXYNOS: Register JPEG on nuri
ARM: EXYNOS: Register JPEG on universal_c210
ARM: S5PV210: Enable JPEG on SMDKV210
ARM: S5PV210: Add JPEG board definition
ARM: EXYNOS: Enable JPEG on Origen
ARM: EXYNOS: Enable JPEG on SMDKV310
ARM: EXYNOS: Add __init attribute to universal_camera_init()
ARM: EXYNOS: Add __init attribute to nuri_camera_init()
ARM: S5PV210: Enable FIMC on SMDKC110
ARM: S5PV210: Enable FIMC on SMDKV210
ARM: S5PV210: Enable MFC on SMDKC110
ARM: S5PV210: Enable MFC on SMDKV210
ARM: EXYNOS: Enable G2D on SMDKV310
ARM: tegra: update defconfig
...
These changes are all specific to an soc family or the code for
one soc. Lots of work for Tegra3 this time, but also a lot of other
platforms. There will be another (smaller) set of soc patches later in
the merge window for stuff that has dependencies on external trees or
that was sent just before the merge window opened.
The asoc tree added a few devices to the i.mx platform, which conflict
with other devices added in the same place here.
The tegra Makefile conflicts between a number of branches, mostly because
of changes regarding localtimer.c, which was removed in the end.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: SoC specific updates" from Arnd Bergmann:
"These changes are all specific to an soc family or the code for one
soc. Lots of work for Tegra3 this time, but also a lot of other
platforms. There will be another (smaller) set of soc patches later
in the merge window for stuff that has dependencies on external trees
or that was sent just before the merge window opened.
The asoc tree added a few devices to the i.mx platform, which conflict
with other devices added in the same place here.
The tegra Makefile conflicts between a number of branches, mostly
because of changes regarding localtimer.c, which was removed in the
end.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fix up some trivial conflicts, including the mentioned Tegra Makefile.
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
ARM: EXYNOS: fix cycle count for periodic mode of clock event timers
ARM: EXYNOS: add support JPEG
ARM: EXYNOS: Add DMC1, allow PPMU access for DMC
ARM: SAMSUNG: Correct MIPI-CSIS io memory resource definition
ARM: SAMSUNG: fix __init attribute on regarding s3c_set_platdata()
ARM: SAMSUNG: Add __init attribute to samsung_bl_set()
ARM: S5PV210: Add usb otg phy control
ARM: S3C64XX: Add usb otg phy control
ARM: EXYNOS: Enable l2 configuration through device tree
ARM: EXYNOS: remove useless code to save/restore L2
ARM: EXYNOS: save L2 settings during bootup
ARM: S5P: add L2 early resume code
ARM: EXYNOS: Add support AFTR mode on EXYNOS4210
ARM: mx35: Setup the AIPS registers
ARM: mx5: Use common function for configuring AIPS
ARM: mx3: Setup AIPS registers
ARM: mx3: Let mx31 and mx35 enter in LPM mode in WFI
ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE
ARM: imx: update imx_v6_v7_defconfig
ARM: tegra: Demote EMC clock inconsistency BUG to WARN
...
These are split out from the generic soc and driver updates because
there was a lot of conflicting work by multiple people. Marc Zyngier
worked on simplifying the "localtimer" interfaces, and some of the
platforms are touching the same code as they move to device tree
based booting.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: timer cleanup work" from Arnd Bergmann:
"These are split out from the generic soc and driver updates because
there was a lot of conflicting work by multiple people. Marc Zyngier
worked on simplifying the "localtimer" interfaces, and some of the
platforms are touching the same code as they move to device tree based
booting.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
ARM: tegra: select USB_ULPI if USB is selected
arm/tegra: pcie: fix return value of function
ARM: ux500: fix compilation after local timer rework
ARM: shmobile: remove additional __io() macro use
ARM: local timers: make the runtime registration interface mandatory
ARM: local timers: convert MSM to runtime registration interface
ARM: local timers: convert exynos to runtime registration interface
ARM: smp_twd: remove old local timer interface
ARM: imx6q: convert to twd_local_timer_register() interface
ARM: highbank: convert to twd_local_timer_register() interface
ARM: ux500: convert to twd_local_timer_register() interface
ARM: shmobile: convert to twd_local_timer_register() interface
ARM: tegra: convert to twd_local_timer_register() interface
ARM: plat-versatile: convert to twd_local_timer_register() interface
ARM: OMAP4: convert to twd_local_timer_register() interface
ARM: smp_twd: add device tree support
ARM: smp_twd: add runtime registration support
ARM: local timers: introduce a new registration interface
ARM: smp_twd: make local_timer_stop a symbol instead of a #define
ARM: mach-shmobile: default to no earlytimer
...
Quite a bit of code gets removed, and some stuff moved around, mostly
the old samsung s3c24xx stuff. There should be no functional changes
in this series otherwise. Some cleanups have dependencies on other
arm-soc branches and will be sent in the second round.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: global cleanups" from Arnd Bergmann:
"Quite a bit of code gets removed, and some stuff moved around, mostly
the old samsung s3c24xx stuff. There should be no functional changes
in this series otherwise. Some cleanups have dependencies on other
arm-soc branches and will be sent in the second round.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
Fixed up trivial conflicts mainly due to #include's being changes on
both sides.
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits)
ep93xx: Remove unnecessary includes of ep93xx-regs.h
ep93xx: Move EP93XX_SYSCON defines to SoC private header
ep93xx: Move crunch code to mach-ep93xx directory
ep93xx: Make syscon access functions private to SoC
ep93xx: Configure GPIO ports in core code
ep93xx: Move peripheral defines to local SoC header
ep93xx: Convert the watchdog driver into a platform device.
ep93xx: Use ioremap for backlight driver
ep93xx: Move GPIO defines to gpio-ep93xx.h
ep93xx: Don't use system controller defines in audio drivers
ep93xx: Move PHYS_BASE defines to local SoC header file
ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
PM / devfreq: update the name of EXYNOS clock registers that were omitted
PM / devfreq: update the name of EXYNOS clock register
ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
ARM: EXYNOS: use static declaration on regarding clock
ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
ARM: OMAP2+: Fix build error after merge
ARM: S3C24XX: remove call to s3c24xx_setup_clocks
...
* 'io-cleanup-for-3.4' of git://sources.calxeda.com/kernel/linux:
ARM: pxa: use common IOMEM definition
ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
Simple bug fixes that were not considered important enough for inclusion
into 3.3. One bug fix was originally intended for 3.3 but accidentally
got missed, but is not marked stable because it should only get
backported once later fixes also make it into v3.4.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: Non-critical bug fixes" from Ardn Bergmann:
"Simple bug fixes that were not considered important enough for
inclusion into 3.3. One bug fix was originally intended for 3.3 but
accidentally got missed, but is not marked stable because it should
only get backported once later fixes also make it into v3.4.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>"
* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (66 commits)
iomux-mx25.h slew rate adjusted for LCD __LD pins
ARM: davinci: DA850: move da850_register_pm to .init.text
ARM: davinci: cpufreq: fix compiler warning
ARM: OMAP2+: Fix build for omap4 only builds with missing include of linux/bug.h
ARM: OMAP2+: Fix section warnings for hsmmc_init_one
ARM: OMAP2+: Fix build issues with missing include of linux/bug.h
ARM: OMAP2+: gpmc-smsc911x: only register regulator for first instance
ARM: OMAP3+: PM: VP: fix integer truncation error
ARM: OMAP2+: PM: fix wakeupgen warning when hotplug disabled
ARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices()
ARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set
ARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected
ARM: OMAP1: Fix section mismatch for omap1_init_early()
ARM: OMAP1: Fix typo in lcd_dma.c
ARM: OMAP: mailbox: trivial whitespace fix
ARM: OMAP: Remove definition cpu_is_omap4430()
ARM: OMAP2+: included some headers twice
ARM: OMAP: clock.c: included linux/debugfs.h twice
ARM: OMAP: don't build hwspinlock in vain
ARM: OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided
...
The asoc branch that was already merged into v3.4 contains some
board-level changes that conflict with patches we already have
here, so pull in that branch to resolve the conflicts.
Conflicts:
arch/arm/mach-imx/mach-imx27_visstrim_m10.c
arch/arm/mach-omap2/board-omap4panda.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: Amended fix for mismerge as reported by Kevin Hilman]
Signed-off-by: Olof Johansson <olof@lixom.net>
Add a debugfs interface for sending commands to the OLPC
Embedded Controller (EC) and reading the responses. The EC
provides functionality for machine identification, battery and
AC control, wakeup control, etc.
Having a debugfs interface available is useful for EC
development and debugging.
Based on code by Paul Fox (who also approves of the end result).
Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Paul Fox <pgf@laptop.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andres Salomon <dilinger@queued.net>
Link: http://lkml.kernel.org/r/20120327150740.667D09D401E@zog.reactivated.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Most parts of the enable / disable API are no longer used and
can be removed.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Venkatraman S <svenkatr@ti.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
set_sleep seems to be unused in omap_hsmmc driver. so get rid of it.
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
External circuitry like level shifters may limit the maximum operation
speed of the hsmmc controller. Add a field to struct omap2_hsmmc_info
so boards can adjust the setting on demand.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
commit 74a622b (ia64: vsyscall: Use seqcount instead of seqlock) broke
the ia64 build.
Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
We should not ever enable IRQs until we're fully set up. This opens up
a window where interrupts can hit the cpu and interrupts can do
wakeups, wakeups need state that isn't set-up yet, in particular this
cpu isn't elegible to run tasks, so if any cpu-affine task that got
created in CPU_UP_PREPARE manages to get a wakeup, its affinity mask
will get broken and we'll run into lots of 'interesting' problems.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-yaezmlbriluh166tfkgni22m@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Linus Torvalds