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Author SHA1 Message Date
Tony Luck
703e6a6ed6 [IA64] Wire up memfd_create() system call 
Yet another system call. This one added by:

   commit 9183df25fe
   shm: add memfd_create() syscall

Signed-off-by: Tony Luck <tony.luck@intel.com>
 2014-08-18 10:29:52 -07:00
Linus Torvalds
63b12bdb0d Merge branch 'signal-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 
Pull arch signal handling cleanup from Richard Weinberger:
 "This patch series moves all remaining archs to the get_signal(),
  signal_setup_done() and sigsp() functions.

  Currently these archs use open coded variants of the said functions.
  Further, unused parameters get removed from get_signal_to_deliver(),
  tracehook_signal_handler() and signal_delivered().

  At the end of the day we save around 500 lines of code."

* 'signal-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc: (43 commits)
  powerpc: Use sigsp()
  openrisc: Use sigsp()
  mn10300: Use sigsp()
  mips: Use sigsp()
  microblaze: Use sigsp()
  metag: Use sigsp()
  m68k: Use sigsp()
  m32r: Use sigsp()
  hexagon: Use sigsp()
  frv: Use sigsp()
  cris: Use sigsp()
  c6x: Use sigsp()
  blackfin: Use sigsp()
  avr32: Use sigsp()
  arm64: Use sigsp()
  arc: Use sigsp()
  sas_ss_flags: Remove nested ternary if
  Rip out get_signal_to_deliver()
  Clean up signal_delivered()
  tracehook_signal_handler: Remove sig, info, ka and regs
  ...
 2014-08-09 09:58:12 -07:00
Linus Torvalds
d7b1fd9140 Wire up getrandom system call for ia64 
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Merge tag 'please-pull-getrandom' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 system call update from Tony Luck:
 "Wire up getrandom system call for ia64"

* tag 'please-pull-getrandom' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Wire up getrandom() system call
 2014-08-09 09:32:45 -07:00
Mark Salter
da167ad763 rtc: ia64: allow other architectures to use EFI RTC 
Currently, the rtc-efi driver is restricted to ia64 only.  Newer
architectures with EFI support may want to also use that driver.  This
patch moves the platform device setup from ia64 into drivers/rtc and
allow any architecture with CONFIG_EFI=y to use the rtc-efi driver.

Signed-off-by: Mark Salter <msalter@redhat.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-08 15:57:19 -07:00
Tony Luck
5e467e27b7 [IA64] Wire up getrandom() system call 
See commit c6e9d6f388
    random: introduce getrandom(2) system call

for all the details (and even a manual page!)

Signed-off-by: Tony Luck <tony.luck@intel.com>
 2014-08-06 14:37:12 -07:00
Richard Weinberger
98c20309b9 ia64: Use get_signal() signal_setup_done() 
Use the more generic functions get_signal() signal_setup_done()
for signal delivery.
This inverts also the return codes of force_sigsegv_info()
and setup_frame() to follow the kernel convention.

Signed-off-by: Richard Weinberger <richard@nod.at>
 2014-08-06 13:02:14 +02:00
Linus Torvalds
e7fda6c4c3 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull timer and time updates from Thomas Gleixner:
 "A rather large update of timers, timekeeping & co

   - Core timekeeping code is year-2038 safe now for 32bit machines.
     Now we just need to fix all in kernel users and the gazillion of
     user space interfaces which rely on timespec/timeval :)

   - Better cache layout for the timekeeping internal data structures.

   - Proper nanosecond based interfaces for in kernel users.

   - Tree wide cleanup of code which wants nanoseconds but does hoops
     and loops to convert back and forth from timespecs.  Some of it
     definitely belongs into the ugly code museum.

   - Consolidation of the timekeeping interface zoo.

   - A fast NMI safe accessor to clock monotonic for tracing.  This is a
     long standing request to support correlated user/kernel space
     traces.  With proper NTP frequency correction it's also suitable
     for correlation of traces accross separate machines.

   - Checkpoint/restart support for timerfd.

   - A few NOHZ[_FULL] improvements in the [hr]timer code.

   - Code move from kernel to kernel/time of all time* related code.

   - New clocksource/event drivers from the ARM universe.  I'm really
     impressed that despite an architected timer in the newer chips SoC
     manufacturers insist on inventing new and differently broken SoC
     specific timers.

[ Ed. "Impressed"? I don't think that word means what you think it means ]

   - Another round of code move from arch to drivers.  Looks like most
     of the legacy mess in ARM regarding timers is sorted out except for
     a few obnoxious strongholds.

   - The usual updates and fixlets all over the place"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
  timekeeping: Fixup typo in update_vsyscall_old definition
  clocksource: document some basic timekeeping concepts
  timekeeping: Use cached ntp_tick_length when accumulating error
  timekeeping: Rework frequency adjustments to work better w/ nohz
  timekeeping: Minor fixup for timespec64->timespec assignment
  ftrace: Provide trace clocks monotonic
  timekeeping: Provide fast and NMI safe access to CLOCK_MONOTONIC
  seqcount: Add raw_write_seqcount_latch()
  seqcount: Provide raw_read_seqcount()
  timekeeping: Use tk_read_base as argument for timekeeping_get_ns()
  timekeeping: Create struct tk_read_base and use it in struct timekeeper
  timekeeping: Restructure the timekeeper some more
  clocksource: Get rid of cycle_last
  clocksource: Move cycle_last validation to core code
  clocksource: Make delta calculation a function
  wireless: ath9k: Get rid of timespec conversions
  drm: vmwgfx: Use nsec based interfaces
  drm: i915: Use nsec based interfaces
  timekeeping: Provide ktime_get_raw()
  hangcheck-timer: Use ktime_get_ns()
  ...
 2014-08-05 17:46:42 -07:00
John Stultz
953dec21ae timekeeping: Fixup typo in update_vsyscall_old definition 
In commit 4a0e637738 ("clocksource: Get rid of cycle_last"),
currently in the -tip tree, there was a small typo where cycles_t
was used intstead of cycle_t. This broke ppc64 builds.

Fix this by using the proper cycle_t type for this usage, in
both the definition and the ia64 implementation.

Now, having both cycle_t and cycles_t types seems like a very
bad idea just asking for these sorts of issues. But that
will be a cleanup for another day.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1406349439-11785-1-git-send-email-john.stultz@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-07-30 09:26:25 +02:00
Thomas Gleixner
4a0e637738 clocksource: Get rid of cycle_last 
cycle_last was added to the clocksource to support the TSC
validation. We moved that to the core code, so we can get rid of the
extra copy.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
 2014-07-23 15:01:52 -07:00
Matt Fleming
8562c99cdd efi/reboot: Add generic wrapper around EfiResetSystem() 
Implement efi_reboot(), which is really just a wrapper around the
EfiResetSystem() EFI runtime service, but it does at least allow us to
funnel all callers through a single location.

It also simplifies the callsites since users no longer need to check to
see whether EFI_RUNTIME_SERVICES are enabled.

Cc: Tony Luck <tony.luck@intel.com>
Tested-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
 2014-07-18 21:23:51 +01:00
Joe Perches
2841efa636 ia64: convert use of typedef ctl_table to struct ctl_table 
This typedef is unnecessary and should just be removed.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-06 16:08:15 -07:00
Linus Torvalds
d09cc3659d Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 
Pull core irq updates from Thomas Gleixner:
 "The irq department delivers:

   - Another tree wide update to get rid of the horrible create_irq
     interface along with its even more horrible variants.  That also
     gets rid of the last leftovers of the initial sparse irq hackery.
     arch/driver specific changes have been either acked or ignored.

   - A fix for the spurious interrupt detection logic with threaded
     interrupts.

   - A new ARM SoC interrupt controller

   - The usual pile of fixes and improvements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
  Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding
  irqchip: brcmstb-l2: Add Broadcom Set Top Box Level-2 interrupt controller
  genirq: Improve documentation to match current implementation
  ARM: iop13xx: fix msi support with sparse IRQ
  genirq: Provide !SMP stub for irq_set_affinity_notifier()
  irqchip: armada-370-xp: Move the devicetree binding documentation
  irqchip: gic: Use mask field in GICC_IAR
  genirq: Remove dynamic_irq mess
  ia64: Use irq_init_desc
  genirq: Replace dynamic_irq_init/cleanup
  genirq: Remove irq_reserve_irq[s]
  genirq: Replace reserve_irqs in core code
  s390: Avoid call to irq_reserve_irqs()
  s390: Remove pointless arch_show_interrupts()
  s390: pci: Check return value of alloc_irq_desc() proper
  sh: intc: Remove pointless irq_reserve_irqs() invocation
  x86, irq: Remove pointless irq_reserve_irqs() call
  genirq: Make create/destroy_irq() ia64 private
  tile: Use SPARSE_IRQ
  tile: pci: Use irq_alloc/free_hwirq()
  ...
 2014-06-04 15:59:13 -07:00
Rafael J. Wysocki
26f8784e2d Merge branches 'acpi-processor' and 'acpi-pad' 
* acpi-processor:
  ACPI / processor: Fix STARTING/DYING action in acpi_cpu_soft_notify()
  ACPI / processor: Check if LAPIC is present during initialization
  ACPI / ia64: introduce variable acpi_lapic into ia64

* acpi-pad:
  ACPI / PAD: Use time_before() for time comparison
  ACPI / PAD: call schedule() when need_resched() is true
 2014-06-03 23:09:41 +02:00
Miklos Szeredi
3ca976a2cf ia64: add renameat2 syscall 
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Tony Luck <tony.luck@intel.com>
 2014-05-20 10:59:38 +02:00
Baoquan He
247dba58a1 ACPI / ia64: introduce variable acpi_lapic into ia64 
This variable was defined and assigned in x86, is used to indicate
whether LAPIC exists in MADT. Now introduce it into ia64 to help
make correct judgment when get information for ACPI processor later.

Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-05-16 16:01:16 +02:00
Thomas Gleixner
4debd723f4 ia64: Use irq_init_desc 
Switch over to the new interface. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/20140507154340.782586778@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-05-16 14:05:22 +02:00
Thomas Gleixner
fd5d8abf8b ia64: Remove unused check_irq_used() 
Just stumbled over it when staring into ia64 irq handling.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/20140507154336.566531793@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-05-16 14:05:20 +02:00
Linus Torvalds
7d38cc0290 Small workaround for a rare, but annoying, erratum 
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Merge tag 'please-pull-ia64-erratum' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull itanium erratum fix from Tony Luck:
 "Small workaround for a rare, but annoying, erratum #237"

* tag 'please-pull-ia64-erratum' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Change default PSR.ac from '1' to '0' (Fix erratum #237)
 2014-04-16 11:22:45 -07:00
Tony Luck
c0b5a64d93 [IA64] Change default PSR.ac from '1' to '0' (Fix erratum #237) 
April 2014 Itanium processor specification update:

http://www.intel.com/content/www/us/en/processors/itanium/itanium-specification-update.html

describes this erratum:

=========================================================================
237. Under a complex set of conditions, store to load forwarding for a
sub 8-byte load may complete incorrectly

Problem: A load instruction may complete incorrectly when a code sequence
using 4-byte or smaller load and store operations to the same address
is executed in combination with specific timing of all the following
concurrent conditions: store to load forwarding, alignment checking
enabled, a mis-predicted branch, and complex cache utilization activity.

Implication: The affected sub 8-byte instruction may complete
incorrectly resulting in unpredictable system behavior. There is an
extremely low probability of exposure due to the significant number of
complex microarchitectural concurrent conditions required to encounter
the erratum.

Workaround: Set PSR.ac = 0 to completely avoid the erratum. Disabling
Hyper-Threading will significantly reduce exposure to the conditions
that contribute to encountering the erratum.

Status: See the Summary Table of Changes for the affected steppings.
=========================================================================

[Table of changes essentially lists all models from McKinley to Tukwila]

The PSR.ac bit controls whether the processor will always generate
an unaligned reference trap (0x5a00) for a misaligned data access
(when PSR.ac=1) or if it will let the access succeed when running
on a cpu that implements logic to handle some unaligned accesses.

Way back in 2008 in commit b704882e70
  [IA64] Rationalize kernel mode alignment checking
we made the decision to always enable strict checking. We were
already doing so in trap/interrupt context because the common
preamble code set this bit - but the rest of supervisor code
(and by inheritance user code) ran with PSR.ac=0.

We now reverse that decision and set PSR.ac=0 everywhere in the
kernel (also inherited by user processes). This will avoid the
erratum using the method described in the Itanium specification
update.  Net effect for users is that the processor will handle
unaligned access when it can (typically with a tiny performance
bubble in the pipeline ... but much less invasive than taking a
trap and having the OS perform the access).

Signed-off-by: Tony Luck <tony.luck@intel.com>
 2014-04-16 10:20:34 -07:00
Linus Torvalds
467a9e1633 CPU hotplug notifiers registration fixes for 3.15-rc1 
The purpose of this single series of commits from Srivatsa S Bhat (with
 a small piece from Gautham R Shenoy) touching multiple subsystems that use
 CPU hotplug notifiers is to provide a way to register them that will not
 lead to deadlocks with CPU online/offline operations as described in the
 changelog of commit 93ae4f978c (CPU hotplug: Provide lockless versions
 of callback registration functions).
 
 The first three commits in the series introduce the API and document it
 and the rest simply goes through the users of CPU hotplug notifiers and
 converts them to using the new method.
 
 /
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Merge tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull CPU hotplug notifiers registration fixes from Rafael Wysocki:
 "The purpose of this single series of commits from Srivatsa S Bhat
  (with a small piece from Gautham R Shenoy) touching multiple
  subsystems that use CPU hotplug notifiers is to provide a way to
  register them that will not lead to deadlocks with CPU online/offline
  operations as described in the changelog of commit 93ae4f978c ("CPU
  hotplug: Provide lockless versions of callback registration
  functions").

  The first three commits in the series introduce the API and document
  it and the rest simply goes through the users of CPU hotplug notifiers
  and converts them to using the new method"

* tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (52 commits)
  net/iucv/iucv.c: Fix CPU hotplug callback registration
  net/core/flow.c: Fix CPU hotplug callback registration
  mm, zswap: Fix CPU hotplug callback registration
  mm, vmstat: Fix CPU hotplug callback registration
  profile: Fix CPU hotplug callback registration
  trace, ring-buffer: Fix CPU hotplug callback registration
  xen, balloon: Fix CPU hotplug callback registration
  hwmon, via-cputemp: Fix CPU hotplug callback registration
  hwmon, coretemp: Fix CPU hotplug callback registration
  thermal, x86-pkg-temp: Fix CPU hotplug callback registration
  octeon, watchdog: Fix CPU hotplug callback registration
  oprofile, nmi-timer: Fix CPU hotplug callback registration
  intel-idle: Fix CPU hotplug callback registration
  clocksource, dummy-timer: Fix CPU hotplug callback registration
  drivers/base/topology.c: Fix CPU hotplug callback registration
  acpi-cpufreq: Fix CPU hotplug callback registration
  zsmalloc: Fix CPU hotplug callback registration
  scsi, fcoe: Fix CPU hotplug callback registration
  scsi, bnx2fc: Fix CPU hotplug callback registration
  scsi, bnx2i: Fix CPU hotplug callback registration
  ...
 2014-04-07 14:55:46 -07:00
Linus Torvalds
68114e5eb8 Most of the changes were largely clean ups, and some documentation. 
But there were a few features that were added.
 
 Uprobes now work with event triggers and multi buffers.
 Uprobes have support under ftrace and perf.
 
 The big feature is that the function tracer can now be used within the
 multi buffer instances. That is, you can now trace some functions
 in one buffer, others in another buffer, all functions in a third buffer
 and so on. They are basically agnostic from each other. This only
 works for the function tracer and not for the function graph trace,
 although you can have the function graph tracer running in the top level
 buffer (or any tracer for that matter) and have different function tracing
 going on in the sub buffers.
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Merge tag 'trace-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "Most of the changes were largely clean ups, and some documentation.
  But there were a few features that were added:

  Uprobes now work with event triggers and multi buffers and have
  support under ftrace and perf.

  The big feature is that the function tracer can now be used within the
  multi buffer instances.  That is, you can now trace some functions in
  one buffer, others in another buffer, all functions in a third buffer
  and so on.  They are basically agnostic from each other.  This only
  works for the function tracer and not for the function graph trace,
  although you can have the function graph tracer running in the top
  level buffer (or any tracer for that matter) and have different
  function tracing going on in the sub buffers"

* tag 'trace-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (45 commits)
  tracing: Add BUG_ON when stack end location is over written
  tracepoint: Remove unused API functions
  Revert "tracing: Move event storage for array from macro to standalone function"
  ftrace: Constify ftrace_text_reserved
  tracepoints: API doc update to tracepoint_probe_register() return value
  tracepoints: API doc update to data argument
  ftrace: Fix compilation warning about control_ops_free
  ftrace/x86: BUG when ftrace recovery fails
  ftrace: Warn on error when modifying ftrace function
  ftrace: Remove freelist from struct dyn_ftrace
  ftrace: Do not pass data to ftrace_dyn_arch_init
  ftrace: Pass retval through return in ftrace_dyn_arch_init()
  ftrace: Inline the code from ftrace_dyn_table_alloc()
  ftrace: Cleanup of global variables ftrace_new_pgs and ftrace_update_cnt
  tracing: Evaluate len expression only once in __dynamic_array macro
  tracing: Correctly expand len expressions from __dynamic_array macro
  tracing/module: Replace include of tracepoint.h with jump_label.h in module.h
  tracing: Fix event header migrate.h to include tracepoint.h
  tracing: Fix event header writeback.h to include tracepoint.h
  tracing: Warn if a tracepoint is not set via debugfs
  ...
 2014-04-03 10:26:31 -07:00
Linus Torvalds
4b1779c2cf PCI changes for the v3.15 merge window: 
Enumeration
     - Increment max correctly in pci_scan_bridge() (Andreas Noever)
     - Clarify the "scan anyway" comment in pci_scan_bridge() (Andreas Noever)
     - Assign CardBus bus number only during the second pass (Andreas Noever)
     - Use request_resource_conflict() instead of insert_ for bus numbers (Andreas Noever)
     - Make sure bus number resources stay within their parents bounds (Andreas Noever)
     - Remove pci_fixup_parent_subordinate_busnr() (Andreas Noever)
     - Check for child busses which use more bus numbers than allocated (Andreas Noever)
     - Don't scan random busses in pci_scan_bridge() (Andreas Noever)
     - x86: Drop pcibios_scan_root() check for bus already scanned (Bjorn Helgaas)
     - x86: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata() (Bjorn Helgaas)
     - x86: Use pcibios_scan_root() instead of pci_scan_bus_on_node() (Bjorn Helgaas)
     - x86: Merge pci_scan_bus_on_node() into pcibios_scan_root() (Bjorn Helgaas)
     - x86: Drop return value of pcibios_scan_root() (Bjorn Helgaas)
 
   NUMA
     - x86: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus (Bjorn Helgaas)
     - x86: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node() (Bjorn Helgaas)
     - x86: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node() (Bjorn Helgaas)
     - x86: Use NUMA_NO_NODE, not -1, for unknown node (Bjorn Helgaas)
     - x86: Remove acpi_get_pxm() usage (Bjorn Helgaas)
     - ia64: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node (Bjorn Helgaas)
     - ia64: Remove acpi_get_pxm() usage (Bjorn Helgaas)
     - ACPI: Fix acpi_get_node() prototype (Bjorn Helgaas)
 
   Resource management
     - i2o: Fix and refactor PCI space allocation (Bjorn Helgaas)
     - Add resource_contains() (Bjorn Helgaas)
     - Add %pR support for IORESOURCE_UNSET (Bjorn Helgaas)
     - Mark resources as IORESOURCE_UNSET if we can't assign them (Bjorn Helgaas)
     - Don't clear IORESOURCE_UNSET when updating BAR (Bjorn Helgaas)
     - Check IORESOURCE_UNSET before updating BAR (Bjorn Helgaas)
     - Don't try to claim IORESOURCE_UNSET resources (Bjorn Helgaas)
     - Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit (Bjorn Helgaas)
     - Don't enable decoding if BAR hasn't been assigned an address (Bjorn Helgaas)
     - Add "weak" generic pcibios_enable_device() implementation (Bjorn Helgaas)
     - alpha, microblaze, sh, sparc, tile: Use default pcibios_enable_device() (Bjorn Helgaas)
     - s390: Use generic pci_enable_resources() (Bjorn Helgaas)
     - Don't check resource_size() in pci_bus_alloc_resource() (Bjorn Helgaas)
     - Set type in __request_region() (Bjorn Helgaas)
     - Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region() (Bjorn Helgaas)
     - Change pci_bus_alloc_resource() type_mask to unsigned long (Bjorn Helgaas)
     - Log IDE resource quirk in dmesg (Bjorn Helgaas)
     - Revert "[PATCH] Insert GART region into resource map" (Bjorn Helgaas)
 
   PCI device hotplug
     - Make check_link_active() non-static (Rajat Jain)
     - Use link change notifications for hot-plug and removal (Rajat Jain)
     - Enable link state change notifications (Rajat Jain)
     - Don't disable the link permanently during removal (Rajat Jain)
     - Don't check adapter or latch status while disabling (Rajat Jain)
     - Disable link notification across slot reset (Rajat Jain)
     - Ensure very fast hotplug events are also processed (Rajat Jain)
     - Add hotplug_lock to serialize hotplug events (Rajat Jain)
     - Remove a non-existent card, regardless of "surprise" capability (Rajat Jain)
     - Don't turn slot off when hot-added device already exists (Yijing Wang)
 
   MSI
     - Keep pci_enable_msi() documentation (Alexander Gordeev)
     - ahci: Fix broken single MSI fallback (Alexander Gordeev)
     - ahci, vfio: Use pci_enable_msi_range() (Alexander Gordeev)
     - Check kmalloc() return value, fix leak of name (Greg Kroah-Hartman)
     - Fix leak of msi_attrs (Greg Kroah-Hartman)
     - Fix pci_msix_vec_count() htmldocs failure (Masanari Iida)
 
   Virtualization
     - Device-specific ACS support (Alex Williamson)
 
   Freescale i.MX6
     - Wait for retraining (Marek Vasut)
 
   Marvell MVEBU
     - Use Device ID and revision from underlying endpoint (Andrew Lunn)
     - Fix incorrect size for PCI aperture resources (Jason Gunthorpe)
     - Call request_resource() on the apertures (Jason Gunthorpe)
     - Fix potential issue in range parsing (Jean-Jacques Hiblot)
 
   Renesas R-Car
     - Check platform_get_irq() return code (Ben Dooks)
     - Add error interrupt handling (Ben Dooks)
     - Fix bridge logic configuration accesses (Ben Dooks)
     - Register each instance independently (Magnus Damm)
     - Break out window size handling (Magnus Damm)
     - Make the Kconfig dependencies more generic (Magnus Damm)
 
   Synopsys DesignWare
     - Fix RC BAR to be single 64-bit non-prefetchable memory (Mohit Kumar)
 
   Miscellaneous
     - Remove unused SR-IOV VF Migration support (Bjorn Helgaas)
     - Enable INTx if BIOS left them disabled (Bjorn Helgaas)
     - Fix hex vs decimal typo in cpqhpc_probe() (Dan Carpenter)
     - Clean up par-arch object file list (Liviu Dudau)
     - Set IORESOURCE_ROM_SHADOW only for the default VGA device (Sander Eikelenboom)
     - ACPI, ARM, drm, powerpc, pcmcia, PCI: Use list_for_each_entry() for bus traversal (Yijing Wang)
     - Fix pci_bus_b() build failure (Paul Gortmaker)
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Merge tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Enumeration
   - Increment max correctly in pci_scan_bridge() (Andreas Noever)
   - Clarify the "scan anyway" comment in pci_scan_bridge() (Andreas Noever)
   - Assign CardBus bus number only during the second pass (Andreas Noever)
   - Use request_resource_conflict() instead of insert_ for bus numbers (Andreas Noever)
   - Make sure bus number resources stay within their parents bounds (Andreas Noever)
   - Remove pci_fixup_parent_subordinate_busnr() (Andreas Noever)
   - Check for child busses which use more bus numbers than allocated (Andreas Noever)
   - Don't scan random busses in pci_scan_bridge() (Andreas Noever)
   - x86: Drop pcibios_scan_root() check for bus already scanned (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata() (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_on_node() (Bjorn Helgaas)
   - x86: Merge pci_scan_bus_on_node() into pcibios_scan_root() (Bjorn Helgaas)
   - x86: Drop return value of pcibios_scan_root() (Bjorn Helgaas)

  NUMA
   - x86: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus (Bjorn Helgaas)
   - x86: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Use NUMA_NO_NODE, not -1, for unknown node (Bjorn Helgaas)
   - x86: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ia64: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node (Bjorn Helgaas)
   - ia64: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ACPI: Fix acpi_get_node() prototype (Bjorn Helgaas)

  Resource management
   - i2o: Fix and refactor PCI space allocation (Bjorn Helgaas)
   - Add resource_contains() (Bjorn Helgaas)
   - Add %pR support for IORESOURCE_UNSET (Bjorn Helgaas)
   - Mark resources as IORESOURCE_UNSET if we can't assign them (Bjorn Helgaas)
   - Don't clear IORESOURCE_UNSET when updating BAR (Bjorn Helgaas)
   - Check IORESOURCE_UNSET before updating BAR (Bjorn Helgaas)
   - Don't try to claim IORESOURCE_UNSET resources (Bjorn Helgaas)
   - Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit (Bjorn Helgaas)
   - Don't enable decoding if BAR hasn't been assigned an address (Bjorn Helgaas)
   - Add "weak" generic pcibios_enable_device() implementation (Bjorn Helgaas)
   - alpha, microblaze, sh, sparc, tile: Use default pcibios_enable_device() (Bjorn Helgaas)
   - s390: Use generic pci_enable_resources() (Bjorn Helgaas)
   - Don't check resource_size() in pci_bus_alloc_resource() (Bjorn Helgaas)
   - Set type in __request_region() (Bjorn Helgaas)
   - Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region() (Bjorn Helgaas)
   - Change pci_bus_alloc_resource() type_mask to unsigned long (Bjorn Helgaas)
   - Log IDE resource quirk in dmesg (Bjorn Helgaas)
   - Revert "[PATCH] Insert GART region into resource map" (Bjorn Helgaas)

  PCI device hotplug
   - Make check_link_active() non-static (Rajat Jain)
   - Use link change notifications for hot-plug and removal (Rajat Jain)
   - Enable link state change notifications (Rajat Jain)
   - Don't disable the link permanently during removal (Rajat Jain)
   - Don't check adapter or latch status while disabling (Rajat Jain)
   - Disable link notification across slot reset (Rajat Jain)
   - Ensure very fast hotplug events are also processed (Rajat Jain)
   - Add hotplug_lock to serialize hotplug events (Rajat Jain)
   - Remove a non-existent card, regardless of "surprise" capability (Rajat Jain)
   - Don't turn slot off when hot-added device already exists (Yijing Wang)

  MSI
   - Keep pci_enable_msi() documentation (Alexander Gordeev)
   - ahci: Fix broken single MSI fallback (Alexander Gordeev)
   - ahci, vfio: Use pci_enable_msi_range() (Alexander Gordeev)
   - Check kmalloc() return value, fix leak of name (Greg Kroah-Hartman)
   - Fix leak of msi_attrs (Greg Kroah-Hartman)
   - Fix pci_msix_vec_count() htmldocs failure (Masanari Iida)

  Virtualization
   - Device-specific ACS support (Alex Williamson)

  Freescale i.MX6
   - Wait for retraining (Marek Vasut)

  Marvell MVEBU
   - Use Device ID and revision from underlying endpoint (Andrew Lunn)
   - Fix incorrect size for PCI aperture resources (Jason Gunthorpe)
   - Call request_resource() on the apertures (Jason Gunthorpe)
   - Fix potential issue in range parsing (Jean-Jacques Hiblot)

  Renesas R-Car
   - Check platform_get_irq() return code (Ben Dooks)
   - Add error interrupt handling (Ben Dooks)
   - Fix bridge logic configuration accesses (Ben Dooks)
   - Register each instance independently (Magnus Damm)
   - Break out window size handling (Magnus Damm)
   - Make the Kconfig dependencies more generic (Magnus Damm)

  Synopsys DesignWare
   - Fix RC BAR to be single 64-bit non-prefetchable memory (Mohit Kumar)

  Miscellaneous
   - Remove unused SR-IOV VF Migration support (Bjorn Helgaas)
   - Enable INTx if BIOS left them disabled (Bjorn Helgaas)
   - Fix hex vs decimal typo in cpqhpc_probe() (Dan Carpenter)
   - Clean up par-arch object file list (Liviu Dudau)
   - Set IORESOURCE_ROM_SHADOW only for the default VGA device (Sander Eikelenboom)
   - ACPI, ARM, drm, powerpc, pcmcia, PCI: Use list_for_each_entry() for bus traversal (Yijing Wang)
   - Fix pci_bus_b() build failure (Paul Gortmaker)"

* tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (108 commits)
  Revert "[PATCH] Insert GART region into resource map"
  PCI: Log IDE resource quirk in dmesg
  PCI: Change pci_bus_alloc_resource() type_mask to unsigned long
  PCI: Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region()
  resources: Set type in __request_region()
  PCI: Don't check resource_size() in pci_bus_alloc_resource()
  s390/PCI: Use generic pci_enable_resources()
  tile PCI RC: Use default pcibios_enable_device()
  sparc/PCI: Use default pcibios_enable_device() (Leon only)
  sh/PCI: Use default pcibios_enable_device()
  microblaze/PCI: Use default pcibios_enable_device()
  alpha/PCI: Use default pcibios_enable_device()
  PCI: Add "weak" generic pcibios_enable_device() implementation
  PCI: Don't enable decoding if BAR hasn't been assigned an address
  PCI: Enable INTx in pci_reenable_device() only when MSI/MSI-X not enabled
  PCI: Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit
  PCI: Don't try to claim IORESOURCE_UNSET resources
  PCI: Check IORESOURCE_UNSET before updating BAR
  PCI: Don't clear IORESOURCE_UNSET when updating BAR
  PCI: Mark resources as IORESOURCE_UNSET if we can't assign them
  ...

Conflicts:
	arch/x86/include/asm/topology.h
	drivers/ata/ahci.c
 2014-04-01 15:14:04 -07:00
Linus Torvalds
4dedde7c7a ACPI and power management updates for 3.15-rc1 
- Device PM QoS support for latency tolerance constraints on systems with
    hardware interfaces allowing such constraints to be specified.  That is
    necessary to prevent hardware-driven power management from becoming
    overly aggressive on some systems and to prevent power management
    features leading to excessive latencies from being used in some cases.
 
  - Consolidation of the handling of ACPI hotplug notifications for device
    objects.  This causes all device hotplug notifications to go through
    the root notify handler (that was executed for all of them anyway
    before) that propagates them to individual subsystems, if necessary,
    by executing callbacks provided by those subsystems (those callbacks
    are associated with struct acpi_device objects during device
    enumeration).  As a result, the code in question becomes both smaller
    in size and more straightforward and all of those changes should not
    affect users.
 
  - ACPICA update, including fixes related to the handling of _PRT in cases
    when it is broken and the addition of "Windows 2013" to the list of
    supported "features" for _OSI (which is necessary to support systems
    that work incorrectly or don't even boot without it).  Changes from
    Bob Moore and Lv Zheng.
 
  - Consolidation of ACPI _OST handling from Jiang Liu.
 
  - ACPI battery and AC fixes allowing unusual system configurations to
    be handled by that code from Alexander Mezin.
 
  - New device IDs for the ACPI LPSS driver from Chiau Ee Chew.
 
  - ACPI fan and thermal optimizations related to system suspend and resume
    from Aaron Lu.
 
  - Cleanups related to ACPI video from Jean Delvare.
 
  - Assorted ACPI fixes and cleanups from Al Stone, Hanjun Guo, Lan Tianyu,
    Paul Bolle, Tomasz Nowicki.
 
  - Intel RAPL (Running Average Power Limits) driver cleanups from Jacob Pan.
 
  - intel_pstate fixes and cleanups from Dirk Brandewie.
 
  - cpufreq fixes related to system suspend/resume handling from Viresh Kumar.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Stratos Karafotis,
    Saravana Kannan, Rashika Kheria, Joe Perches.
 
  - cpufreq drivers updates from Viresh Kumar, Zhuoyu Zhang, Rob Herring.
 
  - cpuidle fixes related to the menu governor from Tuukka Tikkanen.
 
  - cpuidle fix related to coupled CPUs handling from Paul Burton.
 
  - Asynchronous execution of all device suspend and resume callbacks,
    except for ->prepare and ->complete, during system suspend and resume
    from Chuansheng Liu.
 
  - Delayed resuming of runtime-suspended devices during system suspend for
    the PCI bus type and ACPI PM domain.
 
  - New set of PM helper routines to allow device runtime PM callbacks to
    be used during system suspend and resume more easily from Ulf Hansson.
 
  - Assorted fixes and cleanups in the PM core from Geert Uytterhoeven,
    Prabhakar Lad, Philipp Zabel, Rashika Kheria, Sebastian Capella.
 
  - devfreq fix from Saravana Kannan.
 
 /
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Merge tag 'pm+acpi-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "The majority of this material spent some time in linux-next, some of
  it even several weeks.  There are a few relatively fresh commits in
  it, but they are mostly fixes and simple cleanups.

  ACPI took the lead this time, both in terms of the number of commits
  and the number of modified lines of code, cpufreq follows and there
  are a few changes in the PM core and in cpuidle too.

  A new feature that already got some LWN.net's attention is the device
  PM QoS extension allowing latency tolerance requirements to be
  propagated from leaf devices to their ancestors with hardware
  interfaces for specifying latency tolerance.  That should help systems
  with hardware-driven power management to avoid going too far with it
  in cases when there are latency tolerance constraints.

  There also are some significant changes in the ACPI core related to
  the way in which hotplug notifications are handled.  They affect PCI
  hotplug (ACPIPHP) and the ACPI dock station code too.  The bottom line
  is that all those notification now go through the root notify handler
  and are propagated to the interested subsystems by means of callbacks
  instead of having to install a notify handler for each device object
  that we can potentially get hotplug notifications for.

  In addition to that ACPICA will now advertise "Windows 2013"
  compatibility for _OSI, because some systems out there don't work
  correctly if that is not done (some of them don't even boot).

  On the system suspend side of things, all of the device suspend and
  resume callbacks, except for ->prepare() and ->complete(), are now
  going to be executed asynchronously as that turns out to speed up
  system suspend and resume on some platforms quite significantly and we
  have a few more optimizations in that area.

  Apart from that, there are some new device IDs and fixes and cleanups
  all over.  In particular, the system suspend and resume handling by
  cpufreq should be improved and the cpuidle menu governor should be a
  bit more robust now.

  Specifics:

   - Device PM QoS support for latency tolerance constraints on systems
     with hardware interfaces allowing such constraints to be specified.
     That is necessary to prevent hardware-driven power management from
     becoming overly aggressive on some systems and to prevent power
     management features leading to excessive latencies from being used
     in some cases.

   - Consolidation of the handling of ACPI hotplug notifications for
     device objects.  This causes all device hotplug notifications to go
     through the root notify handler (that was executed for all of them
     anyway before) that propagates them to individual subsystems, if
     necessary, by executing callbacks provided by those subsystems
     (those callbacks are associated with struct acpi_device objects
     during device enumeration).  As a result, the code in question
     becomes both smaller in size and more straightforward and all of
     those changes should not affect users.

   - ACPICA update, including fixes related to the handling of _PRT in
     cases when it is broken and the addition of "Windows 2013" to the
     list of supported "features" for _OSI (which is necessary to
     support systems that work incorrectly or don't even boot without
     it).  Changes from Bob Moore and Lv Zheng.

   - Consolidation of ACPI _OST handling from Jiang Liu.

   - ACPI battery and AC fixes allowing unusual system configurations to
     be handled by that code from Alexander Mezin.

   - New device IDs for the ACPI LPSS driver from Chiau Ee Chew.

   - ACPI fan and thermal optimizations related to system suspend and
     resume from Aaron Lu.

   - Cleanups related to ACPI video from Jean Delvare.

   - Assorted ACPI fixes and cleanups from Al Stone, Hanjun Guo, Lan
     Tianyu, Paul Bolle, Tomasz Nowicki.

   - Intel RAPL (Running Average Power Limits) driver cleanups from
     Jacob Pan.

   - intel_pstate fixes and cleanups from Dirk Brandewie.

   - cpufreq fixes related to system suspend/resume handling from Viresh
     Kumar.

   - cpufreq core fixes and cleanups from Viresh Kumar, Stratos
     Karafotis, Saravana Kannan, Rashika Kheria, Joe Perches.

   - cpufreq drivers updates from Viresh Kumar, Zhuoyu Zhang, Rob
     Herring.

   - cpuidle fixes related to the menu governor from Tuukka Tikkanen.

   - cpuidle fix related to coupled CPUs handling from Paul Burton.

   - Asynchronous execution of all device suspend and resume callbacks,
     except for ->prepare and ->complete, during system suspend and
     resume from Chuansheng Liu.

   - Delayed resuming of runtime-suspended devices during system suspend
     for the PCI bus type and ACPI PM domain.

   - New set of PM helper routines to allow device runtime PM callbacks
     to be used during system suspend and resume more easily from Ulf
     Hansson.

   - Assorted fixes and cleanups in the PM core from Geert Uytterhoeven,
     Prabhakar Lad, Philipp Zabel, Rashika Kheria, Sebastian Capella.

   - devfreq fix from Saravana Kannan"

* tag 'pm+acpi-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (162 commits)
  PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs
  PM / sleep: Correct whitespace errors in <linux/pm.h>
  intel_pstate: Set core to min P state during core offline
  cpufreq: Add stop CPU callback to cpufreq_driver interface
  cpufreq: Remove unnecessary braces
  cpufreq: Fix checkpatch errors and warnings
  cpufreq: powerpc: add cpufreq transition latency for FSL e500mc SoCs
  MAINTAINERS: Reorder maintainer addresses for PM and ACPI
  PM / Runtime: Update runtime_idle() documentation for return value meaning
  video / output: Drop display output class support
  fujitsu-laptop: Drop unneeded include
  acer-wmi: Stop selecting VIDEO_OUTPUT_CONTROL
  ACPI / gpu / drm: Stop selecting VIDEO_OUTPUT_CONTROL
  ACPI / video: fix ACPI_VIDEO dependencies
  cpufreq: remove unused notifier: CPUFREQ_{SUSPENDCHANGE|RESUMECHANGE}
  cpufreq: Do not allow ->setpolicy drivers to provide ->target
  cpufreq: arm_big_little: set 'physical_cluster' for each CPU
  cpufreq: arm_big_little: make vexpress driver depend on bL core driver
  ACPI / button: Add ACPI Button event via netlink routine
  ACPI: Remove duplicate definitions of PREFIX
  ...
 2014-04-01 12:48:54 -07:00
Linus Torvalds
683b6c6f82 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq code updates from Thomas Gleixner:
 "The irq department proudly presents:

   - Another tree wide sweep of irq infrastructure abuse.  Clear winner
     of the trainwreck engineering contest was:
         #include "../../../kernel/irq/settings.h"

   - Tree wide update of irq_set_affinity() callbacks which miss a cpu
     online check when picking a single cpu out of the affinity mask.

   - Tree wide consolidation of interrupt statistics.

   - Updates to the threaded interrupt infrastructure to allow explicit
     wakeup of the interrupt thread and a variant of synchronize_irq()
     which synchronizes only the hard interrupt handler.  Both are
     needed to replace the homebrewn thread handling in the mmc/sdhci
     code.

   - New irq chip callbacks to allow proper support for GPIO based irqs.
     The GPIO based interrupts need to request/release GPIO resources
     from request/free_irq.

   - A few new ARM interrupt chips.  No revolutionary new hardware, just
     differently wreckaged variations of the scheme.

   - Small improvments, cleanups and updates all over the place"

I was hoping that that trainwreck engineering contest was a April Fools'
joke.  But no.

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (68 commits)
  irqchip: sun7i/sun6i: Disable NMI before registering the handler
  ARM: sun7i/sun6i: dts: Fix IRQ number for sun6i NMI controller
  ARM: sun7i/sun6i: irqchip: Update the documentation
  ARM: sun7i/sun6i: dts: Add NMI irqchip support
  ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller
  genirq: Export symbol no_action()
  arm: omap: Fix typo in ams-delta-fiq.c
  m68k: atari: Fix the last kernel_stat.h fallout
  irqchip: sun4i: Simplify sun4i_irq_ack
  irqchip: sun4i: Use handle_fasteoi_irq for all interrupts
  genirq: procfs: Make smp_affinity values go+r
  softirq: Add linux/irq.h to make it compile again
  m68k: amiga: Add linux/irq.h to make it compile again
  irqchip: sun4i: Don't ack IRQs > 0, fix acking of IRQ 0
  irqchip: sun4i: Fix a comment about mask register initialization
  irqchip: sun4i: Fix irq 0 not working
  genirq: Add a new IRQCHIP_EOI_THREADED flag
  genirq: Document IRQCHIP_ONESHOT_SAFE flag
  ARM: sunxi: dt: Convert to the new irq controller compatibles
  irqchip: sunxi: Change compatibles
  ...
 2014-04-01 11:22:57 -07:00
Linus Torvalds
e38be1b106 Miscellaneous ia64 fixes for 3.15 merge window 
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Merge tag 'please-pull-misc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 updates from Tony Luck:
 "Miscellaneous ia64 fixes for 3.15 merge window"

* tag 'please-pull-misc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Keep format strings from leaking into printk
  Fix warning in make defconfig
  [IA64] sba_iommu: fix section mismatch To: linux-kernel@vger.kernel.org
 2014-03-31 15:01:16 -07:00
Linus Torvalds
7cc3afdf43 Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 EFI changes from Ingo Molnar:
 "The main changes:

  - Add debug code to the dump EFI pagetable - Borislav Petkov

  - Make 1:1 runtime mapping robust when booting on machines with lots
    of memory - Borislav Petkov

  - Move the EFI facilities bits out of 'x86_efi_facility' and into
    efi.flags which is the standard architecture independent place to
    keep EFI state, by Matt Fleming.

  - Add 'EFI mixed mode' support: this allows 64-bit kernels to be
    booted from 32-bit firmware.  This needs a bootloader that supports
    the 'EFI handover protocol'.  By Matt Fleming"

* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
  x86, efi: Abstract x86 efi_early calls
  x86/efi: Restore 'attr' argument to query_variable_info()
  x86/efi: Rip out phys_efi_get_time()
  x86/efi: Preserve segment registers in mixed mode
  x86/boot: Fix non-EFI build
  x86, tools: Fix up compiler warnings
  x86/efi: Re-disable interrupts after calling firmware services
  x86/boot: Don't overwrite cr4 when enabling PAE
  x86/efi: Wire up CONFIG_EFI_MIXED
  x86/efi: Add mixed runtime services support
  x86/efi: Firmware agnostic handover entry points
  x86/efi: Split the boot stub into 32/64 code paths
  x86/efi: Add early thunk code to go from 64-bit to 32-bit
  x86/efi: Build our own EFI services pointer table
  efi: Add separate 32-bit/64-bit definitions
  x86/efi: Delete dead code when checking for non-native
  x86/mm/pageattr: Always dump the right page table in an oops
  x86, tools: Consolidate #ifdef code
  x86/boot: Cleanup header.S by removing some #ifdefs
  efi: Use NULL instead of 0 for pointer
  ...
 2014-03-31 12:26:05 -07:00
Kees Cook
4c332c3238 [IA64] Keep format strings from leaking into printk 
The buffer being sent to printk has already had format strings
resolved. The string should not be reinterpreted again to avoid any
unintended format strings from leaking into printk.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
 2014-03-28 15:49:04 -07:00
Rafael J. Wysocki
884411d9a5 Merge branch 'acpi-processor' 
* acpi-processor:
  ACPI: Move BAD_MADT_ENTRY() to linux/acpi.h
  ACPI / processor: Make it possible to get APIC ID via GIC
  ACPI / processor: Build idle_boot_override on x86 and ia64
  ACPI / processor: Use ACPI_PROCESSOR_DEVICE_HID instead of "ACPI0007"
  ACPI / processor: Fix acpi_processor_eval_pdc() return value type
 2014-03-21 16:53:28 +01:00
Srivatsa S. Bhat
f2e48a8905 ia64, err-inject: Fix CPU hotplug callback registration 
Subsystems that want to register CPU hotplug callbacks, as well as perform
initialization for the CPUs that are already online, often do it as shown
below:

	get_online_cpus();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	register_cpu_notifier(&foobar_cpu_notifier);

	put_online_cpus();

This is wrong, since it is prone to ABBA deadlocks involving the
cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently
with CPU hotplug operations).

Instead, the correct and race-free way of performing the callback
registration is:

	cpu_notifier_register_begin();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	/* Note the use of the double underscored version of the API */
	__register_cpu_notifier(&foobar_cpu_notifier);

	cpu_notifier_register_done();

Fix the error injection code in ia64 by using this latter form of callback
registration.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-03-20 13:43:41 +01:00
Srivatsa S. Bhat
f5a7d445ff ia64, topology: Fix CPU hotplug callback registration 
Subsystems that want to register CPU hotplug callbacks, as well as perform
initialization for the CPUs that are already online, often do it as shown
below:

	get_online_cpus();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	register_cpu_notifier(&foobar_cpu_notifier);

	put_online_cpus();

This is wrong, since it is prone to ABBA deadlocks involving the
cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently
with CPU hotplug operations).

Instead, the correct and race-free way of performing the callback
registration is:

	cpu_notifier_register_begin();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	/* Note the use of the double underscored version of the API */
	__register_cpu_notifier(&foobar_cpu_notifier);

	cpu_notifier_register_done();

Fix the topology code in ia64 by using this latter form of callback
registration.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-03-20 13:43:40 +01:00
Srivatsa S. Bhat
9f37bca9a9 ia64, palinfo: Fix CPU hotplug callback registration 
Subsystems that want to register CPU hotplug callbacks, as well as perform
initialization for the CPUs that are already online, often do it as shown
below:

	get_online_cpus();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	register_cpu_notifier(&foobar_cpu_notifier);

	put_online_cpus();

This is wrong, since it is prone to ABBA deadlocks involving the
cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently
with CPU hotplug operations).

Instead, the correct and race-free way of performing the callback
registration is:

	cpu_notifier_register_begin();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	/* Note the use of the double underscored version of the API */
	__register_cpu_notifier(&foobar_cpu_notifier);

	cpu_notifier_register_done();

Fix the palinfo code in ia64 by using this latter form of callback
registration.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-03-20 13:43:40 +01:00
Srivatsa S. Bhat
eff722b06b ia64, salinfo: Fix hotplug callback registration 
Subsystems that want to register CPU hotplug callbacks, as well as perform
initialization for the CPUs that are already online, often do it as shown
below:

	get_online_cpus();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	register_cpu_notifier(&foobar_cpu_notifier);

	put_online_cpus();

This is wrong, since it is prone to ABBA deadlocks involving the
cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently
with CPU hotplug operations).

Instead, the correct and race-free way of performing the callback
registration is:

	cpu_notifier_register_begin();

	for_each_online_cpu(cpu)
		init_cpu(cpu);

	/* Note the use of the double underscored version of the API */
	__register_cpu_notifier(&foobar_cpu_notifier);

	cpu_notifier_register_done();

Fix the salinfo code in ia64 by using this latter form of callback
registration.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-03-20 13:43:40 +01:00
Thomas Gleixner
785aebd0cf ia64: Validate online cpus in irq_set_affinity() callbacks 
The [user space] interface does not filter out offline cpus. It merily
guarantees that the mask contains at least one online cpu.

So the selector in the irq chip implementation needs to make sure to
pick only an online cpu because otherwise:

     Offline Core 1
     Set affinity to 0xe (is valid due to online mask 0xd)
     cpumask_first will pick core 1, which is offline

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: ia64 <linux-ia64@vger.kernel.org>
Link: http://lkml.kernel.org/r/20140304203100.650414633@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-03-12 13:07:40 +01:00
Johannes Weiner
e97ca8e5b8 mm: fix GFP_THISNODE callers and clarify 
GFP_THISNODE is for callers that implement their own clever fallback to
remote nodes.  It restricts the allocation to the specified node and
does not invoke reclaim, assuming that the caller will take care of it
when the fallback fails, e.g.  through a subsequent allocation request
without GFP_THISNODE set.

However, many current GFP_THISNODE users only want the node exclusive
aspect of the flag, without actually implementing their own fallback or
triggering reclaim if necessary.  This results in things like page
migration failing prematurely even when there is easily reclaimable
memory available, unless kswapd happens to be running already or a
concurrent allocation attempt triggers the necessary reclaim.

Convert all callsites that don't implement their own fallback strategy
to __GFP_THISNODE.  This restricts the allocation a single node too, but
at the same time allows the allocator to enter the slowpath, wake
kswapd, and invoke direct reclaim if necessary, to make the allocation
happen when memory is full.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-03-10 17:26:19 -07:00
Jiri Slaby
3a36cb11ca ftrace: Do not pass data to ftrace_dyn_arch_init 
As the data parameter is not really used by any ftrace_dyn_arch_init,
remove that from ftrace_dyn_arch_init. This also removes the addr
local variable from ftrace_init which is now unused.

Note the documentation was imprecise as it did not suggest to set
(*data) to 0.

Link: http://lkml.kernel.org/r/1393268401-24379-4-git-send-email-jslaby@suse.cz

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
 2014-03-07 10:06:14 -05:00
Jiri Slaby
af64a7cb09 ftrace: Pass retval through return in ftrace_dyn_arch_init() 
No architecture uses the "data" parameter in ftrace_dyn_arch_init() in any
way, it just sets the value to 0. And this is used as a return value
in the caller -- ftrace_init, which just checks the retval against
zero.

Note there is also "return 0" in every ftrace_dyn_arch_init.  So it is
enough to check the retval and remove all the indirect sets of data on
all archs.

Link: http://lkml.kernel.org/r/1393268401-24379-3-git-send-email-jslaby@suse.cz

Cc: linux-arch@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
 2014-03-07 10:06:13 -05:00
Michael Opdenacker
2958a489d7 ia64: Remove deprecated IRQF_DISABLED 
This patch removes the IRQF_DISABLED flag from ia64 architecture
code. It's a NOOP since 2.6.35 and it will be removed one day.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Cc: paul.gortmaker@windriver.com
Cc: viro@zeniv.linux.org.uk
Cc: srivatsa.bhat@linux.vnet.ibm.com
Cc: andriy.shevchenko@linux.intel.com
Cc: fenghua.yu@intel.com
Cc: tony.luck@intel.com
Link: http://lkml.kernel.org/r/1393964953-17002-1-git-send-email-michael.opdenacker@free-electrons.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-03-04 21:47:51 +01:00
Thomas Gleixner
3611587aa1 ia64: Use the core irq stats function 
Let the core do the irq_desc resolution.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: ia64 <linux-ia64@vger.kernel.org>
Link: http://lkml.kernel.org/r/20140223212738.099977064@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2014-03-04 17:37:54 +01:00
Matt Fleming
092063808c ia64/efi: Implement efi_enabled() 
There's no good reason to keep efi_enabled() under CONFIG_X86 anymore,
since nothing about the implementation is specific to x86.

Set EFI feature flags in the ia64 boot path instead of claiming to
support all features. The old behaviour was actually buggy since
efi.memmap never points to a valid memory map, so we shouldn't be
claiming to support EFI_MEMMAP.

Fortunately, this bug was never triggered because EFI_MEMMAP isn't used
outside of arch/x86 currently, but that may not always be the case.

Reviewed-and-tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
 2014-03-04 16:17:20 +00:00
Hanjun Guo
328281b1cd ACPI: Move BAD_MADT_ENTRY() to linux/acpi.h 
BAD_MADT_ENTRY() is arch independent and will be used for all
architectures which parse MADT, so move it to linux/acpi.h to
reduce code duplication.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-02-19 00:56:07 +01:00
Bjorn Helgaas
b1e9cee7f6 ia64: Remove acpi_get_pxm() usage 
The IOMMU, LSAPIC, IOSAPIC, and PCI host bridge code doesn't care about
_PXM values directly; it only needs to know what NUMA node the hardware is
on.

This uses acpi_get_node() directly and removes the _PXM stuff.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-02-03 10:39:22 -07:00
Tony Luck
7de8246eba [IA64] Wire up new sched_setattr and sched_getattr syscalls 
New syscalls for v3.14

Signed-off-by: Tony Luck <tony.luck#intel.com>
 2014-01-28 09:52:53 -08:00
Linus Torvalds
09da8dfa98 ACPI and power management updates for 3.14-rc1 
- ACPI core changes to make it create a struct acpi_device object for every
    device represented in the ACPI tables during all namespace scans regardless
    of the current status of that device.  In accordance with this, ACPI hotplug
    operations will not delete those objects, unless the underlying ACPI tables
    go away.
 
  - On top of the above, new sysfs attribute for ACPI device objects allowing
    user space to check device status by triggering the execution of _STA for
    its ACPI object.  From Srinivas Pandruvada.
 
  - ACPI core hotplug changes reducing code duplication, integrating the
    PCI root hotplug with the core and reworking container hotplug.
 
  - ACPI core simplifications making it use ACPI_COMPANION() in the code
    "glueing" ACPI device objects to "physical" devices.
 
  - ACPICA update to upstream version 20131218.  This adds support for the
    DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug
    facilities.  From Bob Moore, Lv Zheng and Betty Dall.
 
  - Init code change to carry out the early ACPI initialization earlier.
    That should allow us to use ACPI during the timekeeping initialization
    and possibly to simplify the EFI initialization too.  From Chun-Yi Lee.
 
  - Clenups of the inclusions of ACPI headers in many places all over from
    Lv Zheng and Rashika Kheria (work in progress).
 
  - New helper for ACPI _DSM execution and rework of the code in drivers
    that uses _DSM to execute it via the new helper.  From Jiang Liu.
 
  - New Win8 OSI blacklist entries from Takashi Iwai.
 
  - Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo,
    Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria,
    Tang Chen, Zhang Rui.
 
  - intel_pstate driver updates, including proper Baytrail support, from
    Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra.
 
  - Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski.
 
  - powernow-k6 cpufreq driver fixes from Mikulas Patocka.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown.
 
  - Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias,
    Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar.
 
  - cpuidle cleanups from Bartlomiej Zolnierkiewicz.
 
  - Support for hibernation APM events from Bin Shi.
 
  - Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled
    during thaw transitions from Bjørn Mork.
 
  - PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson.
 
  - PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa,
    Rashika Kheria.
 
  - New tool for profiling system suspend from Todd E Brandt and a cpupower
    tool cleanup from One Thousand Gnomes.
 
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Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "As far as the number of commits goes, the top spot belongs to ACPI
  this time with cpufreq in the second position and a handful of PM
  core, PNP and cpuidle updates.  They are fixes and cleanups mostly, as
  usual, with a couple of new features in the mix.

  The most visible change is probably that we will create struct
  acpi_device objects (visible in sysfs) for all devices represented in
  the ACPI tables regardless of their status and there will be a new
  sysfs attribute under those objects allowing user space to check that
  status via _STA.

  Consequently, ACPI device eject or generally hot-removal will not
  delete those objects, unless the table containing the corresponding
  namespace nodes is unloaded, which is extremely rare.  Also ACPI
  container hotplug will be handled quite a bit differently and cpufreq
  will support CPU boost ("turbo") generically and not only in the
  acpi-cpufreq driver.

  Specifics:

   - ACPI core changes to make it create a struct acpi_device object for
     every device represented in the ACPI tables during all namespace
     scans regardless of the current status of that device.  In
     accordance with this, ACPI hotplug operations will not delete those
     objects, unless the underlying ACPI tables go away.

   - On top of the above, new sysfs attribute for ACPI device objects
     allowing user space to check device status by triggering the
     execution of _STA for its ACPI object.  From Srinivas Pandruvada.

   - ACPI core hotplug changes reducing code duplication, integrating
     the PCI root hotplug with the core and reworking container hotplug.

   - ACPI core simplifications making it use ACPI_COMPANION() in the
     code "glueing" ACPI device objects to "physical" devices.

   - ACPICA update to upstream version 20131218.  This adds support for
     the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
     debug facilities.  From Bob Moore, Lv Zheng and Betty Dall.

   - Init code change to carry out the early ACPI initialization
     earlier.  That should allow us to use ACPI during the timekeeping
     initialization and possibly to simplify the EFI initialization too.
     From Chun-Yi Lee.

   - Clenups of the inclusions of ACPI headers in many places all over
     from Lv Zheng and Rashika Kheria (work in progress).

   - New helper for ACPI _DSM execution and rework of the code in
     drivers that uses _DSM to execute it via the new helper.  From
     Jiang Liu.

   - New Win8 OSI blacklist entries from Takashi Iwai.

   - Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
     Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
     Rashika Kheria, Tang Chen, Zhang Rui.

   - intel_pstate driver updates, including proper Baytrail support,
     from Dirk Brandewie and intel_pstate documentation from Ramkumar
     Ramachandra.

   - Generic CPU boost ("turbo") support for cpufreq from Lukasz
     Majewski.

   - powernow-k6 cpufreq driver fixes from Mikulas Patocka.

   - cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
     Brown.

   - Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
     Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
     Kumar.

   - cpuidle cleanups from Bartlomiej Zolnierkiewicz.

   - Support for hibernation APM events from Bin Shi.

   - Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
     disabled during thaw transitions from Bjørn Mork.

   - PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
     Hansson.

   - PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
     Kurusa, Rashika Kheria.

   - New tool for profiling system suspend from Todd E Brandt and a
     cpupower tool cleanup from One Thousand Gnomes"

* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
  thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
  cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
  Documentation: cpufreq / boost: Update BOOST documentation
  cpufreq: exynos: Extend Exynos cpufreq driver to support boost
  cpufreq / boost: Kconfig: Support for software-managed BOOST
  acpi-cpufreq: Adjust the code to use the common boost attribute
  cpufreq: Add boost frequency support in core
  intel_pstate: Add trace point to report internal state.
  cpufreq: introduce cpufreq_generic_get() routine
  ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
  cpufreq: stats: create sysfs entries when cpufreq_stats is a module
  cpufreq: stats: free table and remove sysfs entry in a single routine
  cpufreq: stats: remove hotplug notifiers
  cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
  cpufreq: speedstep: remove unused speedstep_get_state
  platform: introduce OF style 'modalias' support for platform bus
  PM / tools: new tool for suspend/resume performance optimization
  ACPI: fix module autoloading for ACPI enumerated devices
  ACPI: add module autoloading support for ACPI enumerated devices
  ACPI: fix create_modalias() return value handling
  ...
 2014-01-24 15:51:02 -08:00
Lv Zheng
fab4610583 ACPICA: Cleanup the option of forcing the use of the RSDT. 
This change adds a runtime option that will force ACPICA to use the
RSDT instead of the XSDT. Although the ACPI spec requires that an XSDT
be used instead of the RSDT, the XSDT has been found to be corrupt or
ill-formed on some machines.

This option is already in the Linux kernel.  When it is back ported to
ACPICA, code is re-written to follow ACPICA coding style.  This patch
is the generation of the integration.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2014-01-08 15:31:36 +01:00
Boris Ostrovsky
d52eefb47d ia64/xen: Remove Xen support for ia64 
ia64 has not been supported by Xen since 4.2 so it's time to drop
Xen/ia64 from Linux as well.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
 2013-12-10 16:11:07 -08:00
Linus Torvalds
b5898cd057 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull vfs bits and pieces from Al Viro:
 "Assorted bits that got missed in the first pull request + fixes for a
  couple of coredump regressions"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fold try_to_ascend() into the sole remaining caller
  dcache.c: get rid of pointless macros
  take read_seqbegin_or_lock() and friends to seqlock.h
  consolidate simple ->d_delete() instances
  gfs2: endianness misannotations
  dump_emit(): use __kernel_write(), not vfs_write()
  dump_align(): fix the dumb braino
 2013-11-20 14:25:39 -08:00
Linus Torvalds
4007162647 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq cleanups from Ingo Molnar:
 "This is a multi-arch cleanup series from Thomas Gleixner, which we
  kept to near the end of the merge window, to not interfere with
  architecture updates.

  This series (motivated by the -rt kernel) unifies more aspects of IRQ
  handling and generalizes PREEMPT_ACTIVE"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  preempt: Make PREEMPT_ACTIVE generic
  sparc: Use preempt_schedule_irq
  ia64: Use preempt_schedule_irq
  m32r: Use preempt_schedule_irq
  hardirq: Make hardirq bits generic
  m68k: Simplify low level interrupt handling code
  genirq: Prevent spurious detection for unconditionally polled interrupts
 2013-11-19 10:40:00 -08:00
Al Viro
b26d4cd385 consolidate simple ->d_delete() instances 
Rename simple_delete_dentry() to always_delete_dentry() and export it.
Export simple_dentry_operations, while we are at it, and get rid of
their duplicates

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-11-15 22:04:17 -05:00
Linus Torvalds
9073e1a804 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 
Pull trivial tree updates from Jiri Kosina:
 "Usual earth-shaking, news-breaking, rocket science pile from
  trivial.git"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
  doc: usb: Fix typo in Documentation/usb/gadget_configs.txt
  doc: add missing files to timers/00-INDEX
  timekeeping: Fix some trivial typos in comments
  mm: Fix some trivial typos in comments
  irq: Fix some trivial typos in comments
  NUMA: fix typos in Kconfig help text
  mm: update 00-INDEX
  doc: Documentation/DMA-attributes.txt fix typo
  DRM: comment: `halve' -> `half'
  Docs: Kconfig: `devlopers' -> `developers'
  doc: typo on word accounting in kprobes.c in mutliple architectures
  treewide: fix "usefull" typo
  treewide: fix "distingush" typo
  mm/Kconfig: Grammar s/an/a/
  kexec: Typo s/the/then/
  Documentation/kvm: Update cpuid documentation for steal time and pv eoi
  treewide: Fix common typo in "identify"
  __page_to_pfn: Fix typo in comment
  Correct some typos for word frequency
  clk: fixed-factor: Fix a trivial typo
  ...
 2013-11-15 16:47:22 -08:00
Linus Torvalds
f9300eaaac ACPI and power management updates for 3.13-rc1 
- New power capping framework and the the Intel Running Average Power
    Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
 
  - Addition of the in-kernel switching feature to the arm_big_little
    cpufreq driver from Viresh Kumar and Nicolas Pitre.
 
  - cpufreq support for iMac G5 from Aaro Koskinen.
 
  - Baytrail processors support for intel_pstate from Dirk Brandewie.
 
  - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
 
  - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
 
  - ACPI power management support for the I2C and SPI bus types from
    Mika Westerberg and Lv Zheng.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
    Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
 
  - cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
    Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
    Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
 
  - intel_pstate updates from Dirk Brandewie and Adrian Huang.
 
  - ACPICA update to version 20130927 includig fixes and cleanups and
    some reduction of divergences between the ACPICA code in the kernel
    and ACPICA upstream in order to improve the automatic ACPICA patch
    generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki,
    Naresh Bhat, Bjorn Helgaas, David E Box.
 
  - ACPI IPMI driver fixes and cleanups from Lv Zheng.
 
  - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
    Zhang Yanfei, Rafael J Wysocki.
 
  - Conversion of the ACPI AC driver to the platform bus type and
    multiple driver fixes and cleanups related to ACPI from Zhang Rui.
 
  - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
    Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
 
  - Fixes and cleanups and new blacklist entries related to the ACPI
    video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
    Kirill Tkhai.
 
  - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
 
  - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
    Bartlomiej Zolnierkiewicz, Prarit Bhargava.
 
  - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
 
  - Operation Performance Points (OPP) core updates from Nishanth Menon.
 
  - Runtime power management core fix from Rafael J Wysocki and update
    from Ulf Hansson.
 
  - Hibernation fixes from Aaron Lu and Rafael J Wysocki.
 
  - Device suspend/resume lockup detection mechanism from Benoit Goby.
 
  - Removal of unused proc directories created for various ACPI drivers
    from Lan Tianyu.
 
  - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
    handler from Heikki Krogerus and Jarkko Nikula.
 
  - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
 
  - Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
    Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
    Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
    Liu Chuansheng.
 
  - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
    Jean-Christophe Plagniol-Villard.
 
 /
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael J Wysocki:

 - New power capping framework and the the Intel Running Average Power
   Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.

 - Addition of the in-kernel switching feature to the arm_big_little
   cpufreq driver from Viresh Kumar and Nicolas Pitre.

 - cpufreq support for iMac G5 from Aaro Koskinen.

 - Baytrail processors support for intel_pstate from Dirk Brandewie.

 - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.

 - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.

 - ACPI power management support for the I2C and SPI bus types from Mika
   Westerberg and Lv Zheng.

 - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
   Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.

 - cpufreq drivers updates (mostly fixes and cleanups) from Viresh
   Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
   Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.

 - intel_pstate updates from Dirk Brandewie and Adrian Huang.

 - ACPICA update to version 20130927 includig fixes and cleanups and
   some reduction of divergences between the ACPICA code in the kernel
   and ACPICA upstream in order to improve the automatic ACPICA patch
   generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
   Bhat, Bjorn Helgaas, David E Box.

 - ACPI IPMI driver fixes and cleanups from Lv Zheng.

 - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
   Yanfei, Rafael J Wysocki.

 - Conversion of the ACPI AC driver to the platform bus type and
   multiple driver fixes and cleanups related to ACPI from Zhang Rui.

 - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
   Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.

 - Fixes and cleanups and new blacklist entries related to the ACPI
   video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
   Kirill Tkhai.

 - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.

 - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
   Bartlomiej Zolnierkiewicz, Prarit Bhargava.

 - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.

 - Operation Performance Points (OPP) core updates from Nishanth Menon.

 - Runtime power management core fix from Rafael J Wysocki and update
   from Ulf Hansson.

 - Hibernation fixes from Aaron Lu and Rafael J Wysocki.

 - Device suspend/resume lockup detection mechanism from Benoit Goby.

 - Removal of unused proc directories created for various ACPI drivers
   from Lan Tianyu.

 - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
   handler from Heikki Krogerus and Jarkko Nikula.

 - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.

 - Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
   Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
   Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
   Liu Chuansheng.

 - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
   Jean-Christophe Plagniol-Villard.

* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
  cpufreq: conservative: fix requested_freq reduction issue
  ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
  PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
  ACPI / event: remove unneeded NULL pointer check
  Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
  ACPI / video: Quirk initial backlight level 0
  ACPI / video: Fix initial level validity test
  intel_pstate: skip the driver if ACPI has power mgmt option
  PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
  ACPI / hotplug: Do not execute "insert in progress" _OST
  ACPI / hotplug: Carry out PCI root eject directly
  ACPI / hotplug: Merge device hot-removal routines
  ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
  ACPI / hotplug: Simplify device ejection routines
  ACPI / hotplug: Fix handle_root_bridge_removal()
  ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
  ACPI / scan: Start matching drivers after trying scan handlers
  ACPI: Remove acpi_pci_slot_init() headers from internal.h
  ACPI / blacklist: fix name of ThinkPad Edge E530
  PowerCap: Fix build error with option -Werror=format-security
  ...

Conflicts:
	arch/arm/mach-omap2/opp.c
	drivers/Kconfig
	drivers/spi/spi.c
 2013-11-14 13:41:48 +09:00