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Rather than #define the options manually in the architecture code, add
Kconfig options for them and select them there instead. This also allows
us to select the compat IPC version parsing automatically for platforms
using the old compat IPC interface.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Modify the sh7757_dmae1_slave to add paramters of RSPI's slave_id.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Pull slave-dmaengine update from Vinod Koul:
"This time we have a new dmaengine driver from the tegra folks. Also
we have Guennadi's cleanup of sh drivers which incudes a library for
sh drivers. And the usual odd fixes in bunch of drivers and some nice
cleanup of dw_dmac from Andy."
Fix up conflicts in drivers/mmc/host/sh_mmcif.c
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (46 commits)
dmaengine: Cleanup logging messages
mmc: sh_mmcif: switch to the new DMA channel allocation and configuration
dma: sh: provide a migration path for slave drivers to stop using .private
dma: sh: use an integer slave ID to improve API compatibility
dmaengine: shdma: prepare to stop using struct dma_chan::private
sh: remove unused DMA device pointer from SIU platform data
ASoC: siu: don't use DMA device for channel filtering
dmaengine: shdma: (cosmetic) simplify a static function
dmaengine: at_hdmac: add a few const qualifiers
dw_dmac: use 'u32' for LLI structure members, not dma_addr_t
dw_dmac: mark dwc_dump_lli inline
dma: mxs-dma: Export missing symbols from mxs-dma.c
dma: shdma: convert to the shdma base library
ASoC: fsi: prepare for conversion to the shdma base library
usb: renesas_usbhs: prepare for conversion to the shdma base library
ASoC: siu: prepare for conversion to the shdma base library
serial: sh-sci: prepare for conversion to the shdma base library
mmc: sh_mobile_sdhi: prepare for conversion to the shdma base library
mmc: sh_mmcif: remove unneeded struct sh_mmcif_dma, prepare to shdma conversion
dma: shdma: prepare for conversion to the shdma base library
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Pull SuperH updates from Paul Mundt:
- Migration off of old-style dynamic IRQ API.
- irqdomain and generic irq chip propagation.
- div4/6 clock consolidation, another step towards co-existing with the
common struct clk infrastructure.
- Extensive PFC rework
- Decoupling GPIO from pin state.
- Initial pinctrl support to facilitate incremental migration off of
legacy pinmux.
- gpiolib support made optional, and made pinctrl-backed.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (38 commits)
sh: pfc: pin config get/set support.
sh: pfc: Prefer DRV_NAME over KBUILD_MODNAME.
sh: pfc: pinctrl legacy group support.
sh: pfc: Ignore pinmux GPIOs with invalid enum IDs.
sh: pfc: Export pinctrl binding init symbol.
sh: pfc: Error out on pinctrl init resolution failure.
sh: pfc: Make pr_fmt consistent across pfc drivers.
sh: pfc: pinctrl legacy function support.
sh: pfc: Rudimentary pinctrl-backed GPIO support.
sh: pfc: Dumb GPIO stringification.
sh: pfc: Shuffle PFC support core.
sh: pfc: Verify pin type encoding size at build time.
sh: pfc: Kill off unused pinmux bias flags.
sh: pfc: Make gpio chip support optional where possible.
sh: pfc: Split out gpio chip support.
sh64: Fix up section mismatch warnings.
sh64: Attempt to make reserved insn trap handler resemble C.
sh: Consolidate die definitions for trap handlers.
sh64: Kill off old exception debugging helpers.
sh64: Use generic unaligned access control/counters.
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The SIU ALSA driver is not using the DMA device pointer for DMA channel
filtering any more, it can be now removed.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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The macros just called BUG(), but that results in unused variable
warnings all over the place, like in the IPMI driver. The build
regression emails were annoying me, so here's the fix. I have
not even compile tested this, but it's rather obvious.
[ port type mangled to unsigned long ]
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This kills off the _64 versions and consolidates on the more robust _32
versions instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Conflicts:
drivers/sh/intc/dynamic.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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and 'sh/trivial' into sh-fixes-for-linus
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A few wrappers were overlooked in the initial conversion, take care of
them now.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This discards both the _32 and _64 versions in favour of the consolidated
generic one.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This kills off the special sh32/64 versions and adopts the generic
version. It should be possible to optimize this for SH-4A unaligned
loads, but this is a corner case that can be supported incrementally.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Commit 7025bec9125b0a02edcaf22c2dce753bf2c95480 ("sh: Kill off dead UBC
headers.") skipped arch/sh/include/cpu-sh2a/cpu/ubc.h. Since nothing is
using that header either, kill it off too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull third pile of signal handling patches from Al Viro:
"This time it's mostly helpers and conversions to them; there's a lot
of stuff remaining in the tree, but that'll either go in -rc2
(isolated bug fixes, ideally via arch maintainers' trees) or will sit
there until the next cycle."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
x86: get rid of calling do_notify_resume() when returning to kernel mode
blackfin: check __get_user() return value
whack-a-mole with TIF_FREEZE
FRV: Optimise the system call exit path in entry.S [ver #2]
FRV: Shrink TIF_WORK_MASK [ver #2]
FRV: Prevent syscall exit tracing and notify_resume at end of kernel exceptions
new helper: signal_delivered()
powerpc: get rid of restore_sigmask()
most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from set
set_restore_sigmask() is never called without SIGPENDING (and never should be)
TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is set
don't call try_to_freeze() from do_signal()
pull clearing RESTORE_SIGMASK into block_sigmask()
sh64: failure to build sigframe != signal without handler
openrisc: tracehook_signal_handler() is supposed to be called on success
new helper: sigmask_to_save()
new helper: restore_saved_sigmask()
new helpers: {clear,test,test_and_clear}_restore_sigmask()
HAVE_RESTORE_SIGMASK is defined on all architectures now
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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helpers parallel to set_restore_sigmask(), used in the next commits
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Straightforward change to get rid of all of the header wrapper stubs.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Pull KVM changes from Avi Kivity:
"Changes include additional instruction emulation, page-crossing MMIO,
faster dirty logging, preventing the watchdog from killing a stopped
guest, module autoload, a new MSI ABI, and some minor optimizations
and fixes. Outside x86 we have a small s390 and a very large ppc
update.
Regarding the new (for kvm) rebaseless workflow, some of the patches
that were merged before we switch trees had to be rebased, while
others are true pulls. In either case the signoffs should be correct
now."
Fix up trivial conflicts in Documentation/feature-removal-schedule.txt
arch/powerpc/kvm/book3s_segment.S and arch/x86/include/asm/kvm_para.h.
I suspect the kvm_para.h resolution ends up doing the "do I have cpuid"
check effectively twice (it was done differently in two different
commits), but better safe than sorry ;)
* 'next' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (125 commits)
KVM: make asm-generic/kvm_para.h have an ifdef __KERNEL__ block
KVM: s390: onereg for timer related registers
KVM: s390: epoch difference and TOD programmable field
KVM: s390: KVM_GET/SET_ONEREG for s390
KVM: s390: add capability indicating COW support
KVM: Fix mmu_reload() clash with nested vmx event injection
KVM: MMU: Don't use RCU for lockless shadow walking
KVM: VMX: Optimize %ds, %es reload
KVM: VMX: Fix %ds/%es clobber
KVM: x86 emulator: convert bsf/bsr instructions to emulate_2op_SrcV_nobyte()
KVM: VMX: unlike vmcs on fail path
KVM: PPC: Emulator: clean up SPR reads and writes
KVM: PPC: Emulator: clean up instruction parsing
kvm/powerpc: Add new ioctl to retreive server MMU infos
kvm/book3s: Make kernel emulated H_PUT_TCE available for "PR" KVM
KVM: PPC: bookehv: Fix r8/r13 storing in level exception handler
KVM: PPC: Book3S: Enable IRQs during exit handling
KVM: PPC: Fix PR KVM on POWER7 bare metal
KVM: PPC: Fix stbux emulation
KVM: PPC: bookehv: Use lwz/stw instead of PPC_LL/PPC_STL for 32-bit fields
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Follows the se7722 change, see there for more information.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This implements a total rewrite of the rather buggy SE7722 FPGA IRQ code,
utilizing a linear irq domain as well as the generic irq chip type.
While the interaction between the two APIs is a bit clunky (ie, revmap
lookup for gc irq_base), they work well enough together that it's easy
enough to work with going forward.
While we're at it, deal with irq_mask_ack/unmask of the chained IRQ in
the demux handler to prevent smc91x screaming about spurious interrupts.
There's also some more improvement that can be made to the irqdomain code
to create backing irqdescs for the entire linear range in one bang
instead of iterating over the number of hwirqs and doing it
irq-at-a-time. This is easily dealt with at a later point, though.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This switches over to use the sh unwinder API which brings it all in line
with the general sh routines (which we shuffle around at the same time),
and lets us kill off more sh64-specific cruft.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull first series of signal handling cleanups from Al Viro:
"This is just the first part of the queue (about a half of it);
assorted fixes all over the place in signal handling.
This one ends with all sigsuspend() implementations switched to
generic one (->saved_sigmask-based).
With this, a bunch of assorted old buglets are fixed and most of the
missing bits of NOTIFY_RESUME hookup are in place. Two more fixes sit
in arm and um trees respectively, and there's a couple of broken ones
that need obvious fixes - parisc and avr32 check TIF_NOTIFY_RESUME
only on one of two codepaths; fixes for that will happen in the next
series"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (55 commits)
unicore32: if there's no handler we need to restore sigmask, syscall or no syscall
xtensa: add handling of TIF_NOTIFY_RESUME
microblaze: drop 'oldset' argument of do_notify_resume()
microblaze: handle TIF_NOTIFY_RESUME
score: add handling of NOTIFY_RESUME to do_notify_resume()
m68k: add TIF_NOTIFY_RESUME and handle it.
sparc: kill ancient comment in sparc_sigaction()
h8300: missing checks of __get_user()/__put_user() return values
frv: missing checks of __get_user()/__put_user() return values
cris: missing checks of __get_user()/__put_user() return values
powerpc: missing checks of __get_user()/__put_user() return values
sh: missing checks of __get_user()/__put_user() return values
sparc: missing checks of __get_user()/__put_user() return values
avr32: struct old_sigaction is never used
m32r: struct old_sigaction is never used
xtensa: xtensa_sigaction doesn't exist
alpha: tidy signal delivery up
score: don't open-code force_sigsegv()
cris: don't open-code force_sigsegv()
blackfin: don't open-code force_sigsegv()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull fpu state cleanups from Ingo Molnar:
"This tree streamlines further aspects of FPU handling by eliminating
the prepare_to_copy() complication and moving that logic to
arch_dup_task_struct().
It also fixes the FPU dumps in threaded core dumps, removes and old
(and now invalid) assumption plus micro-optimizes the exit path by
avoiding an FPU save for dead tasks."
Fixed up trivial add-add conflict in arch/sh/kernel/process.c that came
in because we now do the FPU handling in arch_dup_task_struct() rather
than the legacy (and now gone) prepare_to_copy().
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, fpu: drop the fpu state during thread exit
x86, xsave: remove thread_has_fpu() bug check in __sanitize_i387_state()
coredump: ensure the fpu state is flushed for proper multi-threaded core dump
fork: move the real prepare_to_copy() users to arch_dup_task_struct()
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Pull SuperH updates from Paul Mundt:
- New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A)
- New boards: RSK2+SH7264, RSK2+SH7269
- Unbreaking kgdb for SMP
- Consolidation of _32/_64 page fault handling.
- watchdog and legacy DMA chainsawing, part 1
- Conversion to evt2irq() hwirq lookup, to support relocation of
vectored IRQs for irqdomains.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (98 commits)
sh: intc: Kill off special reservation interface.
sh: Enable PIO API for hp6xx and se770x.
sh: Kill off machvec IRQ hinting.
sh: dma: More legacy cpu dma chainsawing.
sh: Kill off MAX_DMA_ADDRESS leftovers.
sh: Tidy up some of the cpu legacy dma header mess.
sh: Move sh4a dma header from cpu-sh4 to cpu-sh4a.
sh64: Fix up vmalloc fault range check.
Revert "sh: Ensure fixmap and store queue space can co-exist."
serial: sh-sci: Fix for port types without BRI interrupts.
sh: legacy PCI evt2irq migration.
sh: cpu dma evt2irq migration.
sh: sh7763rdp evt2irq migration.
sh: sdk7780 evt2irq migration.
sh: migor evt2irq migration.
sh: landisk evt2irq migration.
sh: kfr2r09 evt2irq migration.
sh: ecovec24 evt2irq migration.
sh: ap325rxa evt2irq migration.
sh: urquell evt2irq migration.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar:
"The biggest change is the cleanup/simplification of the load-balancer:
instead of the current practice of architectures twiddling scheduler
internal data structures and providing the scheduler domains in
colorfully inconsistent ways, we now have generic scheduler code in
kernel/sched/core.c:sched_init_numa() that looks at the architecture's
node_distance() parameters and (while not fully trusting it) deducts a
NUMA topology from it.
This inevitably changes balancing behavior - hopefully for the better.
There are various smaller optimizations, cleanups and fixlets as well"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Taint kernel with TAINT_WARN after sleep-in-atomic bug
sched: Remove stale power aware scheduling remnants and dysfunctional knobs
sched/debug: Fix printing large integers on 32-bit platforms
sched/fair: Improve the ->group_imb logic
sched/nohz: Fix rq->cpu_load[] calculations
sched/numa: Don't scale the imbalance
sched/fair: Revert sched-domain iteration breakage
sched/x86: Rewrite set_cpu_sibling_map()
sched/numa: Fix the new NUMA topology bits
sched/numa: Rewrite the CONFIG_NUMA sched domain support
sched/fair: Propagate 'struct lb_env' usage into find_busiest_group
sched/fair: Add some serialization to the sched_domain load-balance walk
sched/fair: Let minimally loaded cpu balance the group
sched: Change rq->nr_running to unsigned int
x86/numa: Check for nonsensical topologies on real hw as well
x86/numa: Hard partition cpu topology masks on node boundaries
x86/numa: Allow specifying node_distance() for numa=fake
x86/sched: Make mwait_usable() heed to "idle=" kernel parameters properly
sched: Update documentation and comments
sched_rt: Avoid unnecessary dequeue and enqueue of pushable tasks in set_cpus_allowed_rt()
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Complete the move of sh64 to it, trim the crap from prototypes,
tidy up a bit. Infrastructure in do_signal() had already been
there, in signal_64 as well as in signal_32 (where it was already
used).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Everything is using sparseirq these days, so we have no need to
arbitrarily size nr_irqs ahead of time. The legacy IRQ pre-allocation
likewise has no meaning for us, so that's killed off too. We now depend
on nr_irqs expansion by the generic hardirq layer instead.
It's also worth noting that the majority of boards had completely bogus
values for their nr_irqs relative to their CPU and configurations, so
this ends up correcting behaviour for quite a few platforms.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Attempt to "tidy" up some of the multi IRQ handling and base + IRQ
management. This should keep it limping along without too much hassle,
and no new parts should ever be enabling or using this API anyways.
It doesn't get any closer to lipstick on a pig as this.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We don't support the ISA DMA API, so this is only ever misused. The
dma-sh case inadvertently broke the dreamcast case by testing the wrong
variable for the total number of channels, so this fixes that up too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This has turned in to quite a mess, and with CPUs that care using
dmaengine now it's about time to start cleaning up after the legacy DMA
code. For starters, kill off the stubs for the CPUs that don't do
anything, as well as all of the unused definitions. This leaves us with a
set of IRQs and base addresses we can deal with later.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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cpu-sh4a headers take priority over cpu-sh4 ones by virtue of the build
system, there's no need to try and mingle sh4a stuff in cpu-sh4.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This reverts commit 20e7c297efeca0861adcca073a0d283da659834b.
With store queues enabled the area above P4SEG has special properties
from the MMU's point of view, which was causing fixmap failure. We'll
have to do something else to satisfy the vmalloc range check.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Conflicts:
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7757.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This converts over the legacy PCI IRQs to evt2irq() backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This migrates the cpu-family relative DMA IRQ definitions over to
evt2irq() backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Migrate sdk7780 to evt2irq backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Migrate landisk to evt2irq backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Migrate hp6xx to evt2irq backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Migrate Solution Engine boards to evt2irq backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Migrate edosk7760 to evt2irq() backed hwirq lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Historical prepare_to_copy() is mostly a no-op, duplicated for majority of
the architectures and the rest following the x86 model of flushing the extended
register state like fpu there.
Remove it and use the arch_dup_task_struct() instead.
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1336692811-30576-1-git-send-email-suresh.b.siddha@intel.com
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Chris Zankel <chris@zankel.net>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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This was reworked some time ago to go through fixmaps instead, leaving
the range itself unused. As such, kill off the remaining references and
hand over the remaining space for fixmaps directly. This also makes it
possible to simplify the vmalloc fault case as we no longer have to care
about the special section.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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At the moment the top of the fixmap space is calculated from P4SEG, which
places it at the end of the store queue space when that API is enabled.
Make sure we use P3_ADDR_MAX here instead to find the proper address
limit. With this done, it's also possible to switch to the generic
vmalloc address range check now that VMALLOC_START/END encapsulate the
translatable areas that we care about.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This provides a simple interface modelled after sparc64/m32r to encode
the error code in the upper byte of thread_info for finer-grained
handling in the page fault path.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We need a lookup_exception_vector() helper for sh64 in order to use the
common page fault code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This follows the x86 changes for tidying up the page fault error paths.
We'll build on top of this for _32/_64 unification.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Conflicts:
arch/sh/Kconfig
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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