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Thomas Renninger
2aa1ca75c4 cpupower: Haswell also supports the C-states introduced with SandyBridge 
Add Haswell model numbers to snb_register() as it also supports the
C-states introduced in SandyBridge processors.

[rjw: Changelog]
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2013-07-05 01:52:19 +02:00
Thomas Renninger
c4f3610eba cpupower: Introduce idle-set subcommand and C-state enabling/disabling 
Example:

cpupower idle-set -d 3

will disable C-state 3 on all processors (set commands are active on
all CPUs by default), same as:

cpupower -c all idle-set -d 3

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2013-07-05 01:52:19 +02:00
Thomas Renninger
0924c369bc cpupower: Implement disabling of cstate interface 
Latest kernel allows to disable C-states via:
/sys/devices/system/cpu/cpuX/cpuidle/stateY/disable

This patch provides lower level sysfs access functions to make use of
this interface.  A later patch will implement the higher level stuff.

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2013-07-05 01:52:19 +02:00
Thomas Renninger
f605181abd cpupower: Make idlestate usage unsigned 
Use unsigned int as the data type for some variables related to CPU
idle states which allows the code to be simplified slightly.

[rjw: Changelog]
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2013-07-05 01:52:19 +02:00
Linus Torvalds
f991fae5c6 Power management and ACPI updates for 3.11-rc1 
- Hotplug changes allowing device hot-removal operations to fail
   gracefully (instead of crashing the kernel) if they cannot be
   carried out completely.  From Rafael J Wysocki and Toshi Kani.
 
 - Freezer update from Colin Cross and Mandeep Singh Baines targeted
   at making the freezing of tasks a bit less heavy weight operation.
 
 - cpufreq resume fix from Srivatsa S Bhat for a regression introduced
   during the 3.10 cycle causing some cpufreq sysfs attributes to
   return wrong values to user space after resume.
 
 - New freqdomain_cpus sysfs attribute for the acpi-cpufreq driver to
   provide information previously available via related_cpus from
   Lan Tianyu.
 
 - cpufreq fixes and cleanups from Viresh Kumar, Jacob Shin,
   Heiko Stübner, Xiaoguang Chen, Ezequiel Garcia, Arnd Bergmann, and
   Tang Yuantian.
 
 - Fix for an ACPICA regression causing suspend/resume issues to
   appear on some systems introduced during the 3.4 development cycle
   from Lv Zheng.
 
 - ACPICA fixes and cleanups from Bob Moore, Tomasz Nowicki, Lv Zheng,
   Chao Guan, and Zhang Rui.
 
 - New cupidle driver for Xilinx Zynq processors from Michal Simek.
 
 - cpuidle fixes and cleanups from Daniel Lezcano.
 
 - Changes to make suspend/resume work correctly in Xen guests from
   Konrad Rzeszutek Wilk.
 
 - ACPI device power management fixes and cleanups from Fengguang Wu
   and Rafael J Wysocki.
 
 - ACPI documentation updates from Lv Zheng, Aaron Lu and Hanjun Guo.
 
 - Fix for the IA-64 issue that was the reason for reverting commit
   9f29ab1 and updates of the ACPI scan code from Rafael J Wysocki.
 
 - Mechanism for adding CMOS RTC address space handlers from Lan Tianyu
   (to allow some EC-related breakage to be fixed on some systems).
 
 - Spec-compliant implementation of acpi_os_get_timer() from
   Mika Westerberg.
 
 - Modification of do_acpi_find_child() to execute _STA in order to
   to avoid situations in which a pointer to a disabled device object
   is returned instead of an enabled one with the same _ADR value.
   From Jeff Wu.
 
 - Intel BayTrail PCH (Platform Controller Hub) support for the ACPI
   Intel Low-Power Subsystems (LPSS) driver and modificaions of that
   driver to work around a couple of known BIOS issues from
   Mika Westerberg and Heikki Krogerus.
 
 - EC driver fix from Vasiliy Kulikov to make it use get_user() and
   put_user() instead of dereferencing user space pointers blindly.
 
 - Assorted ACPI code cleanups from Bjorn Helgaas, Nicholas Mazzuca and
   Toshi Kani.
 
 - Modification of the "runtime idle" helper routine to take the return
   values of the callbacks executed by it into account and to call
   rpm_suspend() if they return 0, which allows some code bloat
   reduction to be done, from Rafael J Wysocki and Alan Stern.
 
 - New trace points for PM QoS from Sahara <keun-o.park@windriver.com>.
 
 - PM QoS documentation update from Lan Tianyu.
 
 - Assorted core PM code cleanups and changes from Bernie Thompson,
   Bjorn Helgaas, Julius Werner, and Shuah Khan.
 
 - New devfreq driver for the Exynos5-bus device from Abhilash Kesavan.
 
 - Minor devfreq cleanups, fixes and MAINTAINERS update from
   MyungJoo Ham, Abhilash Kesavan, Paul Bolle, Rajagopal Venkat, and
   Wei Yongjun.
 
 - OMAP Adaptive Voltage Scaling (AVS) SmartReflex voltage control
   driver updates from Andrii Tseglytskyi and Nishanth Menon.
 
 /
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Merge tag 'pm+acpi-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "This time the total number of ACPI commits is slightly greater than
  the number of cpufreq commits, but Viresh Kumar (who works on cpufreq)
  remains the most active patch submitter.

  To me, the most significant change is the addition of offline/online
  device operations to the driver core (with the Greg's blessing) and
  the related modifications of the ACPI core hotplug code.  Next are the
  freezer updates from Colin Cross that should make the freezing of
  tasks a bit less heavy weight.

  We also have a couple of regression fixes, a number of fixes for
  issues that have not been identified as regressions, two new drivers
  and a bunch of cleanups all over.

  Highlights:

   - Hotplug changes to support graceful hot-removal failures.

     It sometimes is necessary to fail device hot-removal operations
     gracefully if they cannot be carried out completely.  For example,
     if memory from a memory module being hot-removed has been allocated
     for the kernel's own use and cannot be moved elsewhere, it's
     desirable to fail the hot-removal operation in a graceful way
     rather than to crash the kernel, but currenty a success or a kernel
     crash are the only possible outcomes of an attempted memory
     hot-removal.  Needless to say, that is not a very attractive
     alternative and it had to be addressed.

     However, in order to make it work for memory, I first had to make
     it work for CPUs and for this purpose I needed to modify the ACPI
     processor driver.  It's been split into two parts, a resident one
     handling the low-level initialization/cleanup and a modular one
     playing the actual driver's role (but it binds to the CPU system
     device objects rather than to the ACPI device objects representing
     processors).  That's been sort of like a live brain surgery on a
     patient who's riding a bike.

     So this is a little scary, but since we found and fixed a couple of
     regressions it caused to happen during the early linux-next testing
     (a month ago), nobody has complained.

     As a bonus we remove some duplicated ACPI hotplug code, because the
     ACPI-based CPU hotplug is now going to use the common ACPI hotplug
     code.

   - Lighter weight freezing of tasks.

     These changes from Colin Cross and Mandeep Singh Baines are
     targeted at making the freezing of tasks a bit less heavy weight
     operation.  They reduce the number of tasks woken up every time
     during the freezing, by using the observation that the freezer
     simply doesn't need to wake up some of them and wait for them all
     to call refrigerator().  The time needed for the freezer to decide
     to report a failure is reduced too.

     Also reintroduced is the check causing a lockdep warining to
     trigger when try_to_freeze() is called with locks held (which is
     generally unsafe and shouldn't happen).

   - cpufreq updates

     First off, a commit from Srivatsa S Bhat fixes a resume regression
     introduced during the 3.10 cycle causing some cpufreq sysfs
     attributes to return wrong values to user space after resume.  The
     fix is kind of fresh, but also it's pretty obvious once Srivatsa
     has identified the root cause.

     Second, we have a new freqdomain_cpus sysfs attribute for the
     acpi-cpufreq driver to provide information previously available via
     related_cpus.  From Lan Tianyu.

     Finally, we fix a number of issues, mostly related to the
     CPUFREQ_POSTCHANGE notifier and cpufreq Kconfig options and clean
     up some code.  The majority of changes from Viresh Kumar with bits
     from Jacob Shin, Heiko Stübner, Xiaoguang Chen, Ezequiel Garcia,
     Arnd Bergmann, and Tang Yuantian.

   - ACPICA update

     A usual bunch of updates from the ACPICA upstream.

     During the 3.4 cycle we introduced support for ACPI 5 extended
     sleep registers, but they are only supposed to be used if the
     HW-reduced mode bit is set in the FADT flags and the code attempted
     to use them without checking that bit.  That caused suspend/resume
     regressions to happen on some systems.  Fix from Lv Zheng causes
     those registers to be used only if the HW-reduced mode bit is set.

     Apart from this some other ACPICA bugs are fixed and code cleanups
     are made by Bob Moore, Tomasz Nowicki, Lv Zheng, Chao Guan, and
     Zhang Rui.

   - cpuidle updates

     New driver for Xilinx Zynq processors is added by Michal Simek.

     Multidriver support simplification, addition of some missing
     kerneldoc comments and Kconfig-related fixes come from Daniel
     Lezcano.

   - ACPI power management updates

     Changes to make suspend/resume work correctly in Xen guests from
     Konrad Rzeszutek Wilk, sparse warning fix from Fengguang Wu and
     cleanups and fixes of the ACPI device power state selection
     routine.

   - ACPI documentation updates

     Some previously missing pieces of ACPI documentation are added by
     Lv Zheng and Aaron Lu (hopefully, that will help people to
     uderstand how the ACPI subsystem works) and one outdated doc is
     updated by Hanjun Guo.

   - Assorted ACPI updates

     We finally nailed down the IA-64 issue that was the reason for
     reverting commit 9f29ab11dd ("ACPI / scan: do not match drivers
     against objects having scan handlers"), so we can fix it and move
     the ACPI scan handler check added to the ACPI video driver back to
     the core.

     A mechanism for adding CMOS RTC address space handlers is
     introduced by Lan Tianyu to allow some EC-related breakage to be
     fixed on some systems.

     A spec-compliant implementation of acpi_os_get_timer() is added by
     Mika Westerberg.

     The evaluation of _STA is added to do_acpi_find_child() to avoid
     situations in which a pointer to a disabled device object is
     returned instead of an enabled one with the same _ADR value.  From
     Jeff Wu.

     Intel BayTrail PCH (Platform Controller Hub) support is added to
     the ACPI driver for Intel Low-Power Subsystems (LPSS) and that
     driver is modified to work around a couple of known BIOS issues.
     Changes from Mika Westerberg and Heikki Krogerus.

     The EC driver is fixed by Vasiliy Kulikov to use get_user() and
     put_user() instead of dereferencing user space pointers blindly.

     Code cleanups are made by Bjorn Helgaas, Nicholas Mazzuca and Toshi
     Kani.

   - Assorted power management updates

     The "runtime idle" helper routine is changed to take the return
     values of the callbacks executed by it into account and to call
     rpm_suspend() if they return 0, which allows us to reduce the
     overall code bloat a bit (by dropping some code that's not
     necessary any more after that modification).

     The runtime PM documentation is updated by Alan Stern (to reflect
     the "runtime idle" behavior change).

     New trace points for PM QoS are added by Sahara
     (<keun-o.park@windriver.com>).

     PM QoS documentation is updated by Lan Tianyu.

     Code cleanups are made and minor issues are addressed by Bernie
     Thompson, Bjorn Helgaas, Julius Werner, and Shuah Khan.

   - devfreq updates

     New driver for the Exynos5-bus device from Abhilash Kesavan.

     Minor cleanups, fixes and MAINTAINERS update from MyungJoo Ham,
     Abhilash Kesavan, Paul Bolle, Rajagopal Venkat, and Wei Yongjun.

   - OMAP power management updates

     Adaptive Voltage Scaling (AVS) SmartReflex voltage control driver
     updates from Andrii Tseglytskyi and Nishanth Menon."

* tag 'pm+acpi-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (162 commits)
  cpufreq: Fix cpufreq regression after suspend/resume
  ACPI / PM: Fix possible NULL pointer deref in acpi_pm_device_sleep_state()
  PM / Sleep: Warn about system time after resume with pm_trace
  cpufreq: don't leave stale policy pointer in cdbs->cur_policy
  acpi-cpufreq: Add new sysfs attribute freqdomain_cpus
  cpufreq: make sure frequency transitions are serialized
  ACPI: implement acpi_os_get_timer() according the spec
  ACPI / EC: Add HP Folio 13 to ec_dmi_table in order to skip DSDT scan
  ACPI: Add CMOS RTC Operation Region handler support
  ACPI / processor: Drop unused variable from processor_perflib.c
  cpufreq: tegra: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: s3c64xx: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: omap: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: imx6q: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: exynos: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: dbx500: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: davinci: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: arm-big-little: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: powernow-k8: call CPUFREQ_POSTCHANGE notfier in error cases
  cpufreq: pcc: call CPUFREQ_POSTCHANGE notfier in error cases
  ...
 2013-07-03 14:35:40 -07:00
Linus Torvalds
d4141531f6 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 
Pull cifs updates from Steve French:
 "Various CIFS/SMB2/SMB3 updates for 3.11.  Includes bug fixes - SMB3
  support should be much more stable with key DFS fix and also signing
  possible now (although is more work to do to get SMB3 signing working
  well with multiuser).

  Mounts using the new SMB 3.02 dialect can now be done (specify
  "vers=3.02" on mount) against the most current Microsoft systems.

  Also includes a big cleanup of the cifs/smb2/smb3 authentication code
  from Jeff which fixes some long standing problems with the way allowed
  authentication flavors and signing are configured.

  Some followon patches later in the cycle will clean up allocation of
  structures for the various security mechanisms depending on what
  dialect is chosen (reduces memory usage a little) and to add support
  for the secure negotiate fsctl (for smb3) which prevents downgrade
  attacks."

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (39 commits)
  cifs: fill TRANS2_QUERY_FILE_INFO ByteCount fields
  cifs: fix SMB2 signing enablement in cifs_enable_signing
  [CIFS] Fix build warning
  [CIFS] SMB3 Signing enablement
  [CIFS] Do not set DFS flag on SMB2 open
  [CIFS] fix static checker warning
  cifs: try to handle the MUST SecurityFlags sanely
  When server doesn't provide SecurityBuffer on SMB2Negotiate pick default
  Handle big endianness in NTLM (ntlmv2) authentication
  revalidate directories instiantiated via FIND_* in order to handle DFS referrals
  SMB2 FSCTL and IOCTL worker function
  Charge at least one credit, if server says that it supports multicredit
  Remove typo
  Some missing share flags
  cifs: using strlcpy instead of strncpy
  Update headers to update various SMB3 ioctl definitions
  Update cifs version number
  Add ability to dipslay SMB3 share flags and capabilities for debugging
  Add some missing SMB3 and SMB3.02 flags
  Add SMB3.02 dialect support
  ...
 2013-07-03 14:06:30 -07:00
Linus Torvalds
f39d420f67 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 
Pull security subsystem updates from James Morris:
 "In this update, Smack learns to love IPv6 and to mount a filesystem
  with a transmutable hierarchy (i.e.  security labels are inherited
  from parent directory upon creation rather than creating process).

  The rest of the changes are maintenance"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (37 commits)
  tpm/tpm_i2c_infineon: Remove unused header file
  tpm: tpm_i2c_infinion: Don't modify i2c_client->driver
  evm: audit integrity metadata failures
  integrity: move integrity_audit_msg()
  evm: calculate HMAC after initializing posix acl on tmpfs
  maintainers:  add Dmitry Kasatkin
  Smack: Fix the bug smackcipso can't set CIPSO correctly
  Smack: Fix possible NULL pointer dereference at smk_netlbl_mls()
  Smack: Add smkfstransmute mount option
  Smack: Improve access check performance
  Smack: Local IPv6 port based controls
  tpm: fix regression caused by section type conflict of tpm_dev_release() in ppc builds
  maintainers: Remove Kent from maintainers
  tpm: move TPM_DIGEST_SIZE defintion
  tpm_tis: missing platform_driver_unregister() on error in init_tis()
  security: clarify cap_inode_getsecctx description
  apparmor: no need to delay vfree()
  apparmor: fix fully qualified name parsing
  apparmor: fix setprocattr arg processing for onexec
  apparmor: localize getting the security context to a few macros
  ...
 2013-07-03 14:04:58 -07:00
Linus Torvalds
fe489bf450 KVM fixes for 3.11 
On the x86 side, there are some optimizations and documentation updates.
 The big ARM/KVM change for 3.11, support for AArch64, will come through
 Catalin Marinas's tree.  s390 and PPC have misc cleanups and bugfixes.
 
 There is a conflict due to "s390/pgtable: fix ipte notify bit" having
 entered 3.10 through Martin Schwidefsky's s390 tree.  This pull request
 has additional changes on top, so this tree's version is the correct one.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "On the x86 side, there are some optimizations and documentation
  updates.  The big ARM/KVM change for 3.11, support for AArch64, will
  come through Catalin Marinas's tree.  s390 and PPC have misc cleanups
  and bugfixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (87 commits)
  KVM: PPC: Ignore PIR writes
  KVM: PPC: Book3S PR: Invalidate SLB entries properly
  KVM: PPC: Book3S PR: Allow guest to use 1TB segments
  KVM: PPC: Book3S PR: Don't keep scanning HPTEG after we find a match
  KVM: PPC: Book3S PR: Fix invalidation of SLB entry 0 on guest entry
  KVM: PPC: Book3S PR: Fix proto-VSID calculations
  KVM: PPC: Guard doorbell exception with CONFIG_PPC_DOORBELL
  KVM: Fix RTC interrupt coalescing tracking
  kvm: Add a tracepoint write_tsc_offset
  KVM: MMU: Inform users of mmio generation wraparound
  KVM: MMU: document fast invalidate all mmio sptes
  KVM: MMU: document fast invalidate all pages
  KVM: MMU: document fast page fault
  KVM: MMU: document mmio page fault
  KVM: MMU: document write_flooding_count
  KVM: MMU: document clear_spte_count
  KVM: MMU: drop kvm_mmu_zap_mmio_sptes
  KVM: MMU: init kvm generation close to mmio wrap-around value
  KVM: MMU: add tracepoint for check_mmio_spte
  KVM: MMU: fast invalidate all mmio sptes
  ...
 2013-07-03 13:21:40 -07:00
Linus Torvalds
3e34131a65 Bug-fixes: 
* Fix memory leak when CPU hotplugging.
 * Compile bugs with various #ifdefs
 * Fix state changes in Xen PCI front not dealing well with new toolstack.
 * Cleanups in code (use pr_*, fix 80 characters splits, etc)
 * Long standing bug in double-reporting the steal time
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Merge tag 'stable/for-linus-3.11-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen bugfixes from Konrad Rzeszutek Wilk:
 - Fix memory leak when CPU hotplugging.
 - Compile bugs with various #ifdefs
 - Fix state changes in Xen PCI front not dealing well with new
   toolstack.
 - Cleanups in code (use pr_*, fix 80 characters splits, etc)
 - Long standing bug in double-reporting the steal time

* tag 'stable/for-linus-3.11-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/time: remove blocked time accounting from xen "clockchip"
  xen: Convert printks to pr_<level>
  xen: ifdef CONFIG_HIBERNATE_CALLBACKS xen_*_suspend
  xen/pcifront: Deal with toolstack missing 'XenbusStateClosing' state.
  xen/time: Free onlined per-cpu data structure if we want to online it again.
  xen/time: Check that the per_cpu data structure has data before freeing.
  xen/time: Don't leak interrupt name when offlining.
  xen/time: Encapsulate the struct clock_event_device in another structure.
  xen/spinlock: Don't leak interrupt name when offlining.
  xen/smp: Don't leak interrupt name when offlining.
  xen/smp: Set the per-cpu IRQ number to a valid default.
  xen/smp: Introduce a common structure to contain the IRQ name and interrupt line.
  xen/smp: Coalesce the free_irq calls in one function.
  xen-pciback: fix error return code in pcistub_irq_handler_switch()
 2013-07-03 13:12:42 -07:00
Linus Torvalds
f3acb96f38 Add MCE signatures for family 0x15, models 30-3f. 
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Merge tag 'edac_for_3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull AMD EDAC update from Borislav Petkov:
 "Add MCE signatures for family 0x15, models 30-3f"

* tag 'edac_for_3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, MCE, AMD: Add an MCE signature for new Fam15h models
  EDAC: Replace strict_strtoul() with kstrtoul()
 2013-07-03 13:11:18 -07:00
Linus Torvalds
baa6f82093 Simple warning fix for module sections. If too late to pull, no big deal. 
Cheers,
 Rusty.
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mergetag object b3087e48ce
 type commit
 tag virtio-next-for-linus
 tagger Rusty Russell <rusty@rustcorp.com.au> 1372639977 +0930
 
 Was away, but it's all trivial and been sitting in linux-next.  So if you don't
 pull, no electrons will be harmed.
 
 Thanks,
 Rusty.
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Merge tags 'modules-next-for-linus' and 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull trivial module and virtio fixes from Rusty Russell.

Apparently these were meant for 3.10, but came in after the release.

* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  modpost.c: Add .text.unlikely to TEXT_SECTIONS

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio: remove virtqueue_add_buf().
  lguest: rename i386_head.S
  virtio_blk: Add missing 'static' qualifiers
  virtio: console: Add emergency writeonly register to config space
  virtio_pci: better macro exported in uapi
 2013-07-03 13:09:06 -07:00
Linus Torvalds
76f7a102c0 regulator: Updates for v3.11 
Very quiet release here, as well as the usual driver specific updates
 only a couple of new things:
 
  - New drivers for TI ABB LDOs and MAX77693 PMICs.
  - Support for enabling bypass mode support via device tree.
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Merge tag 'regulator-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Very quiet release here, as well as the usual driver specific updates
  only a couple of new things:

   - New drivers for TI ABB LDOs and MAX77693 PMICs
   - Support for enabling bypass mode support via device tree"

* tag 'regulator-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (23 commits)
  regulator: max77693: Remove NULL test for rmatch[i].init_data
  regulator: max77693: Fix trivial typo
  regulator: ab8500-ext: Staticize local symbols
  regulator: max77693: Add max77693 regualtor driver.
  regulator: max8973: fix a typo in documentation
  regulator: max8973: initial DT support
  regulators: max8973: fix multiple instance support
  regulator: of: Added a property to indicate bypass mode support
  regulator: ti-abb: Convert to use devm_ioremap_resource
  regulator: tps62360: Fix crash in i2c_driver .probe
  regulator: ab8500: Provide supply names for the AUX regulators
  regulator: ab8500-ext: Enable for Device Tree
  regulator: ab8500-ext: Register as a device in its own right
  regulator: ab8500-ext: Provide a set_voltage call-back operation
  regulator: ab8500: Ensure AB8500 external registers are probed first
  regulator: core: add regulator_get_linear_step()
  regulator: lp397x: use devm_kzalloc() to make cleanup paths simpler
  regulator: lp872x: support the device tree feature
  regulator: Remove unnecessary include of linux/delay.h from regulator drivers
  regulator: isl6271a: Use NULL instead of 0
  ...
 2013-07-03 11:56:38 -07:00
Linus Torvalds
92295f632c The common clock framework changes for 3.11 include new clock drivers 
across several different platforms and architectures, fixes to existing
 drivers, a MAINTAINERS file fix and improvements to the basic clock
 types that allow them to be of use to more platforms than before. Only a
 few fixes to the core framework are included with most all of the
 changes landing in the various clock drivers themselves.
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Merge tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux

Pull clock framework updates from Mike Turquette:
 "The common clock framework changes for 3.11 include new clock drivers
  across several different platforms and architectures, fixes to
  existing drivers, a MAINTAINERS file fix and improvements to the basic
  clock types that allow them to be of use to more platforms than before.

  Only a few fixes to the core framework are included with most all of
  the changes landing in the various clock drivers themselves."

* tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux: (55 commits)
  clk: tegra: fix ifdef for tegra_periph_reset_assert inline
  clk: tegra: provide tegra_periph_reset_assert alternative
  clk: exynos4: Fix clock aliases for cpufreq related clocks
  clk: samsung: Add MUX_FA macro to pass flag and alias
  clk: add support for Rockchip gate clocks
  clk: vexpress: Make the clock drivers directly available for arm64
  clk: vexpress: Use full node name to identify individual clocks
  clk: tegra: T114: add DFLL DVCO reset control
  clk: tegra: T114: add DFLL source clocks
  clk: tegra: T114: add FCPU clock shaper programming, needed by the DFLL
  clk: gate: add CLK_GATE_HIWORD_MASK
  clk: divider: add CLK_DIVIDER_HIWORD_MASK flag
  clk: mux: add CLK_MUX_HIWORD_MASK
  clk: Always notify whole subtree when reparenting
  MAINTAINERS: make drivers/clk entry match subdirs
  clk: honor CLK_GET_RATE_NOCACHE in clk_set_rate
  clk: use clk_get_rate() for debugfs
  clk: tegra: Use override bits when needed
  clk: tegra: override bits for Tegra30 PLLM
  clk: tegra: override bits for Tegra114 PLLM
  ...
 2013-07-03 11:54:50 -07:00
Linus Torvalds
750b2d7b93 spi: Updates for v3.11 
A fairly quiet release for the SPI subsystem, the standout changes
 being:
 
 - Core support for implementing bits per word constraints implemented by
   Stephen Warren, factoring some code out of drivers.
 - Addition of polling mode support for the s3c64xx driver as some newer
   Exynos systems have taken the unusual step of removing interrupt
   support.
 - Use of the in-IP FIFO and generic dmaengine support for the OMAP2
   driver, providing improved performance.
 - Conversion of the mpc512x driver to use the core message queue
   infrastructure.
 
 The nicest thing being that all the factoring out into common code leads
 to a negative diffstat overall.
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Merge tag 'spi-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A fairly quiet release for the SPI subsystem, the standout changes
  being:

   - Core support for implementing bits per word constraints implemented
     by Stephen Warren, factoring some code out of drivers.

   - Addition of polling mode support for the s3c64xx driver as some
     newer Exynos systems have taken the unusual step of removing
     interrupt support.

   - Use of the in-IP FIFO and generic dmaengine support for the OMAP2
     driver, providing improved performance.

   - Conversion of the mpc512x driver to use the core message queue
     infrastructure.

  The nicest thing being that all the factoring out into common code
  leads to a negative diffstat overall."

* tag 'spi-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (42 commits)
  spi/s3c64xx: Rely on the compiler eliminating the OF ID table
  spi: s3c64xx: Added support for exynos5440 spi
  spi: s3c64xx: Added provision for dedicated cs pin
  spi: omap2-mcspi: add generic DMA request support to the DT binding
  spi: omap2-mcspi: convert to dma_request_slave_channel_compat()
  spi/s3c64xx: Make wait_for_timeout() function name less generic
  spi: s3c64xx: added support for polling mode
  spi: omap2-mcspi: Add FIFO buffer support
  spi: omap2-mcspi: Move bytes per word calculation to the function
  spi: spi-xilinx: cleanup a check in xilinx_spi_txrx_bufs()
  spi: spi-nuc900: Remove redundant platform_set_drvdata()
  spi: spi-fsl-lib: Make mpc8xxx_spi_work static
  spi: spi-topcliff-pch: Fix sparse warnings
  spi: spi-xilinx: Remove redundant platform_set_drvdata()
  spi: spi-xilinx: Add run run-time endian detection
  spi: mpc512x: use the SPI subsystem's message queue
  spi: mpc512x: improve throughput in the RX/TX func
  spi: mpc512x: minor prep before feature change
  spi: atmel: convert to dma_request_slave_channel_compat()
  spi: sirf: avoid uninitialized-use warning
  ...
 2013-07-03 11:51:05 -07:00
Linus Torvalds
3dbde57ad9 Pin control changes for the v3.11 kernel cycle: 
- A large slew of improvements of the Genric pin configuration
   support, and deployment in four different platforms:
   Rockchip, Super-H PFC, ABx500 and TZ1090. Support BIAS_BUS_HOLD,
   get device tree parsing and debugfs support into shape.
 
 - We also have device tree support with generic naming conventions
   for the generic pin configuration.
 
 - Delete the unused and confusing direct pinconf API. Now state
   transitions is *the* way to control pins and multiplexing.
 
 - New drivers for Rockchip, TZ1090, and TZ1090 PDC.
 
 - Two pin control states related to power management are now
   handled in the device core: "sleep" and "idle", removing a lot
   of boilerplate code in drivers. We do not yet know if this is
   the final word for pin PM, but it already make things a lot
   easier to handle.
 
 - Handle sparse GPIO ranges passing a list of disparate pins, and
   utilize these in the new BayTrail (x86 Atom SoC) driver.
 
 - Make the sunxi (AllWinner) driver handle external interrupts.
 
 - Make it possible for pinctrl-single to handle the case where
   several pins are managed by a single register, and augment it to
   handle sleep modes.
 
 - Cleanups and improvements for the abx500 drivers.
 
 - Move Sirf pin control drivers to their own directory, support
   save/restore of context and add support for the SiRFatlas6 SoC.
 
 - PMU muxing for the Dove pinctrl driver.
 
 - Finalization and support for VF610 in the i.MX6 pinctrl driver.
 
 - Smoothen out various Exynos rough edges.
 
 - Generic cleanups of various kinds.
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Merge tag 'pinctrl-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control changes from Linus Walleij:

 - A large slew of improvements of the Genric pin configuration support,
   and deployment in four different platforms: Rockchip, Super-H PFC,
   ABx500 and TZ1090.  Support BIAS_BUS_HOLD, get device tree parsing
   and debugfs support into shape.

 - We also have device tree support with generic naming conventions for
   the generic pin configuration.

 - Delete the unused and confusing direct pinconf API.  Now state
   transitions is *the* way to control pins and multiplexing.

 - New drivers for Rockchip, TZ1090, and TZ1090 PDC.

 - Two pin control states related to power management are now handled in
   the device core: "sleep" and "idle", removing a lot of boilerplate
   code in drivers.  We do not yet know if this is the final word for
   pin PM, but it already make things a lot easier to handle.

 - Handle sparse GPIO ranges passing a list of disparate pins, and
   utilize these in the new BayTrail (x86 Atom SoC) driver.

 - Make the sunxi (AllWinner) driver handle external interrupts.

 - Make it possible for pinctrl-single to handle the case where several
   pins are managed by a single register, and augment it to handle sleep
   modes.

 - Cleanups and improvements for the abx500 drivers.

 - Move Sirf pin control drivers to their own directory, support
   save/restore of context and add support for the SiRFatlas6 SoC.

 - PMU muxing for the Dove pinctrl driver.

 - Finalization and support for VF610 in the i.MX6 pinctrl driver.

 - Smoothen out various Exynos rough edges.

 - Generic cleanups of various kinds.

* tag 'pinctrl-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (82 commits)
  pinctrl: vt8500: wmt: remove redundant dev_err call in wmt_pinctrl_probe()
  pinctrl: remove bindings for pinconf options needing more thought
  pinctrl: remove slew-rate parameter from tz1090
  pinctrl: set unit for debounce time pinconfig to usec
  pinctrl: more clarifications for generic pull configs
  pinctrl: rip out the direct pinconf API
  pinctrl-tz1090-pdc: add TZ1090 PDC pinctrl driver
  pinctrl-tz1090: add TZ1090 pinctrl driver
  pinctrl: samsung: Staticize drvdata_list
  pinctrl: rockchip: Add missing irq_gc_unlock() call before return error
  pinctrl: abx500: rework error path
  pinctrl: abx500: suppress hardcoded value
  pinctrl: abx500: factorize code
  pinctrl: abx500: fix abx500_gpio_get()
  pinctrl: abx500: fix abx500_pin_config_set()
  pinctrl: abx500: Add device tree support
  sh-pfc: Guard DT parsing with #ifdef CONFIG_OF
  pinctrl: add Intel BayTrail GPIO/pinctrl support
  pinctrl: fix pinconf_ops::pin_config_dbg_parse_modify kerneldoc
  pinctrl: Staticize local symbols
  ...

Conflicts:
	drivers/net/ethernet/ti/davinci_mdio.c
	drivers/pinctrl/Makefile
 2013-07-03 11:48:03 -07:00
Linus Torvalds
a6e6d863cf regmap: Updates for v3.11 
A small but useful set of regmap updates this time around:
 
 - An abstraction for bitfields within a register map contributed by
   Srinivas Kandagatla, allowing drivers to cope more easily when
   hardware designers randomly move things about (mainly when talking
   to things like system controllers).
 
 - Changes from Lars-Peter Clausen to allow the MMIO regmap to be used from
   hard IRQ context.
 
 - Small improvements to the cache infrastructure and performance,
   including a default cache sync operation so now all regmaps can sync
   easily.
 
 There's also a pinctrl driver making use of the new bitfield API, merged
 here for dependency reasons.  There will be a simple add/add conflict
 with the pinctrl tree as a result.
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Merge tag 'regmap-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "A small but useful set of regmap updates this time around:

   - An abstraction for bitfields within a register map contributed by
     Srinivas Kandagatla, allowing drivers to cope more easily when
     hardware designers randomly move things about (mainly when talking
     to things like system controllers).

   - Changes from Lars-Peter Clausen to allow the MMIO regmap to be used
     from hard IRQ context.

   - Small improvements to the cache infrastructure and performance,
     including a default cache sync operation so now all regmaps can
     sync easily.

  There's also a pinctrl driver making use of the new bitfield API,
  merged here for dependency reasons.  There will be a simple add/add
  conflict with the pinctrl tree as a result."

* tag 'regmap-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  pinctrl: st: Remove unnecessary use of of_match_ptr macro
  pinctrl: st: fix return value check
  pinctrl: st: Add pinctrl and pinconf support.
  regmap: debugfs: Suppress cache for partial register files
  regmap: Add regmap_field APIs
  regmap: core: Cache all registers by default when cache is enabled
  regmap: Implemented default cache sync operation
  regmap: Make regmap-mmio usable from atomic contexts
  regmap: regcache: Fixup locking for custom lock callbacks
  regmap: debugfs: Fix return from regmap_debugfs_get_dump_start
  regmap: debugfs: Don't mark lockdep as broken due to debugfs write
  regmap: rbtree: Use range information to allocate nodes
  regmap: rbtree: Factor out node allocation
  regmap: Make regmap_check_range_table() a public API
  regmap: Add support for discarding parts of the register cache
 2013-07-03 11:40:58 -07:00
Linus Torvalds
60b5adffb4 GPIO changes for the v3.11 development cycle: 
- Incremental development for the Langwell (Atom SoC),
   Xilinx, ICH and RCAR drivers.
 - Cleanups from Jingoo Han, Axel Lin, Wei Jongjun,
   Wolfram Sang, Tushar Behera, Sachin Kamat and Yijing Wang.
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Merge tag 'gpio-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "Here is a batch of GPIO changes for v3.11.  I have agreed with Grant
  to take care of the pull requests for this development cycle.

  No special things are happening in the GPIO tree this time (nice with
  some calm) and I have been extra careful to do regression builds and
  it's well boiled in -next.

  GPIO changes for the v3.11 development cycle:
   - Incremental development for the Langwell (Atom SoC), Xilinx, ICH
     and RCAR drivers.
   - Cleanups from Jingoo Han, Axel Lin, Wei Jongjun, Wolfram Sang,
     Tushar Behera, Sachin Kamat and Yijing Wang"

* tag 'gpio-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (35 commits)
  Gpio/trivial: replace numeric with standard PM state macros
  gpiolib: remove warnning of allocations with IRQs disabled
  gpio: grgpio: Staticize local symbols
  gpio-langwell: remove Withney point support
  gpio: ich: add GPO_BLINK support
  gpio-sta2x11: Convert to use devm_ioremap_resource
  gpio_msm: Convert to use devm_ioremap_resource
  gpio-rcar: Use OUTDT when reading GPIOs configured as output
  gpio-sta2x11: Fix potential NULL pointer dereference
  gpio/omap: omap_gpio_init_context stub must be inline
  gpio: msm-v1: Remove errant __devinit to fix compile
  gpio: devres: make comments proper
  GPIO: xilinx: Enable driver for Xilinx zynq
  DT: Add documentation for gpio-xilinx
  GPIO: xilinx: Use BIT macro
  GPIO: xilinx: Use __raw_readl/__raw_writel IO functions
  GPIO: xilinx: Add support for dual channel
  GPIO: xilinx: Simplify driver probe function
  gpio: sx150x: convert to use devm_* functions
  MAINTAINERS: add linux-gpio mailing list
  ...
 2013-07-03 11:39:44 -07:00
Linus Torvalds
a9f4a7005f Thermal limit warnings are too scary and cause unnecessary concern 
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Merge tag 'please-pull-mce-therm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull thermal power-limit update from Tony Luck:
 "Thermal limit warnings are too scary and cause unnecessary concern"

* tag 'please-pull-mce-therm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  x86 thermal: Disable power limit notification interrupt by default
  x86 thermal: Delete power-limit-notification console messages
 2013-07-03 11:16:09 -07:00
Linus Torvalds
37577505ec Series to fix IOH hotplug in ia64 
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Merge tag 'please-pull-root_bus_hotplug' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 IOH hotplug fixes from Tony Luck:
 "Series to fix IOH hotplug in ia64"

* tag 'please-pull-root_bus_hotplug' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  PCI: Replace printks with appropriate pr_*()
  PCI/IA64: introduce probe_pci_root_info() to manage _CRS resource
  PCI/IA64: Add host bridge resource release for _CRS path
  PCI/IA64: fix memleak for create pci root bus fail
  PCI/IA64: Allocate pci_root_info instead of using stack
  PCI/IA64: embed pci hostbridge resources into pci_root_info
  PCI/IA64: SN: use normal resource instead of pci_window
  PCI/IA64: SN: remove sn_pci_window_fixup()
 2013-07-03 11:15:26 -07:00
Linus Torvalds
04bbc8e1f6 Fixes for pstore for 3.11 merge window 
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Merge tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull pstore update from Tony Luck:
 "Fixes for pstore for 3.11 merge window"

* tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  efivars: If pstore_register fails, free unneeded pstore buffer
  acpi: Eliminate console msg if pstore.backend excludes ERST
  pstore: Return unique error if backend registration excluded by kernel param
  pstore: Fail to unlink if a driver has not defined pstore_erase
  pstore/ram: remove the power of buffer size limitation
  pstore/ram: avoid atomic accesses for ioremapped regions
  efi, pstore: Cocci spatch "memdup.spatch"
 2013-07-03 11:14:44 -07:00
Linus Torvalds
e39dfe52f8 Miscellaneous ia64 changes for 3.11 merge window 
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Merge tag 'please-pull-misc-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull misc ia64 updates from Tony Luck:
 "Miscellaneous ia64 changes for 3.11 merge window"

* tag 'please-pull-misc-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Delete __cpuinit usage from all ia64 users
  [IA64] hpsim: Fix check for overlong simscsi prefix.
  [IA64] pci: Remove unused fallback_dev
  [IA64] perfmon: Use %*phD specifier to dump small buffers
  [IA64] Fix trap #45 handling
 2013-07-03 11:14:04 -07:00
Linus Torvalds
ab53485739 Merge branch 'exotic-arch-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 
Pull "exotic" arch fixes from Geert Uytterhoeven:
 "This is a collection of several exotic architecture fixes, and a few
  other fixes for issues that were detected while doing the former"

* 'exotic-arch-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (35 commits)
  lib: Move fonts from drivers/video/console/ to lib/fonts/
  console/font: Refactor font support code selection logic
  Revert "staging/solo6x10: depend on CONFIG_FONTS"
  input: cros_ec_keyb_clear_keyboard() depends on CONFIG_PM_SLEEP
  score: Wire up asm-generic/xor.h
  score: Remove unneeded <asm/dma-mapping.h>
  openrisc: Wire up asm-generic/xor.h
  h8300/boot: Use POSIX "$((..))" instead of bashism "$[...]"
  h8300: Mark H83002 and H83048 CPU support broken
  h8300: Switch h8300 to drivers/Kconfig
  h8300: Limit timer channel ranges in Kconfig
  h8300: Wire up asm-generic/xor.h
  h8300: Fill the system call table using a CALL() macro
  h8300: Fix <asm/tlb.h>
  h8300: Hardcode symbol prefixes in asm sources
  h8300: add missing definition for read_barries_depends()
  frv: head.S - Remove commented-out initialization code
  cris: Wire up asm-generic/vga.h
  parport: disable PC-style parallel port support on cris
  console: Disable VGA text console support on cris
  ...
 2013-07-03 11:12:08 -07:00
Linus Torvalds
0e97456ab5 Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 
Pull m68k updates from Geert Uytterhoeven.

* 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k/q40: Enable PC parallel port in defconfig
  m68k/q40: Undefine insl/outsl before redefining them
  m68k/uaccess: Fix asm constraints for userspace access
  swim: Release memory region after incorrect return/goto
  m68k/irq: Vector ints need a valid interrupt handler
  m68k/math-emu: unsigned issue, 'unsigned long' will never be less than zero
  m68k: remove CONFIG_EARLY_PRINTK dependency on CONFIG_EMBEDDED, default to n
  m68k/sun3: remove inline marking of EXPORT_SYMBOL functions
  [SCSI] a3000: use module_platform_driver_probe()
  [SCSI] a4000t: use module_platform_driver_probe()
  m68k: Remove inline strcpy() and strcat() implementations
 2013-07-03 11:11:23 -07:00
Linus Torvalds
76d3f4c27d ARC changes for 3.11 
Highlights of changes:
 
 -Continuation of ARC MM changes from 3.10 including
    zero page optimization;
    Setting pagecache pages dirty by default;
    Non executable stack by default;
    Reducing dcache flushes for aliasing VIPT config
 
 -Long overdue rework of pt_regs machinery - removing the unused word gutters
  and adding ECR register to baseline (helps cleanup lot of low level code)
 
 -Support for ARC gcc 4.8
 
 -Few other preventive fixes, cosmetics, usage of Kconfig helper..
 
 The diffstat is larger than normal primarily because of arcregs.h header split
 as well as beautification of macros in entry.h
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Merge tag 'arc-v3.11-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull first batch of ARC changes from Vineet Gupta:
 "There's a second bunch to follow next week - which depends on commits
  on other trees (irq/net).  I'd have preferred the accompanying ARC
  change via respective trees, but it didn't workout somehow.

  Highlights of changes:

   - Continuation of ARC MM changes from 3.10 including

       zero page optimization
       Setting pagecache pages dirty by default
       Non executable stack by default
       Reducing dcache flushes for aliasing VIPT config

   - Long overdue rework of pt_regs machinery - removing the unused word
     gutters and adding ECR register to baseline (helps cleanup lot of
     low level code)

   - Support for ARC gcc 4.8

   - Few other preventive fixes, cosmetics, usage of Kconfig helper..

  The diffstat is larger than normal primarily because of arcregs.h
  header split as well as beautification of macros in entry.h"

* tag 'arc-v3.11-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (32 commits)
  ARC: warn on improper stack unwind FDE entries
  arc: delete __cpuinit usage from all arc files
  ARC: [tlb-miss] Fix bug with CONFIG_ARC_DBG_TLB_MISS_COUNT
  ARC: [tlb-miss] Extraneous PTE bit testing/setting
  ARC: Adjustments for gcc 4.8
  ARC: Setup Vector Table Base in early boot
  ARC: Remove explicit passing around of ECR
  ARC: pt_regs update #5: Use real ECR for pt_regs->event vs. synth values
  ARC: stop using pt_regs->orig_r8
  ARC: pt_regs update #4: r25 saved/restored unconditionally
  ARC: K/U SP saved from one location in stack switching macro
  ARC: Entry Handler tweaks: Simplify branch for in-kernel preemption
  ARC: Entry Handler tweaks: Avoid hardcoded LIMMS for ECR values
  ARC: Increase readability of entry handlers
  ARC: pt_regs update #3: Remove unused gutter at start of callee_regs
  ARC: pt_regs update #2: Remove unused gutter at start of pt_regs
  ARC: pt_regs update #1: Align pt_regs end with end of kernel stack page
  ARC: pt_regs update #0: remove kernel stack canary
  ARC: [mm] Remove @write argument to do_page_fault()
  ARC: [mm] Make stack/heap Non-executable by default
  ...
 2013-07-03 11:09:27 -07:00
Linus Torvalds
c1101cbc7d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 
Pull s390 updates from Martin Schwidefsky:
 "This is the bulk of the s390 patches for the 3.11 merge window.

  Notable enhancements are: the block timeout patches for dasd from
  Hannes, and more work on the PCI support front.  In addition some
  cleanup and the usual bug fixing."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (42 commits)
  s390/dasd: Fail all requests when DASD_FLAG_ABORTIO is set
  s390/dasd: Add 'timeout' attribute
  block: check for timeout function in blk_rq_timed_out()
  block/dasd: detailed I/O errors
  s390/dasd: Reduce amount of messages for specific errors
  s390/dasd: Implement block timeout handling
  s390/dasd: process all requests in the device tasklet
  s390/dasd: make number of retries configurable
  s390/dasd: Clarify comment
  s390/hwsampler: Updated misleading member names in hws_data_entry
  s390/appldata_net_sum: do not use static data
  s390/appldata_mem: do not use static data
  s390/vmwatchdog: do not use static data
  s390/airq: simplify adapter interrupt code
  s390/pci: remove per device debug attribute
  s390/dma: remove gratuitous brackets
  s390/facility: decompose test_facility()
  s390/sclp: remove duplicated include from sclp_ctl.c
  s390/irq: store interrupt information in pt_regs
  s390/drivers: Cocci spatch "ptr_ret.spatch"
  ...
 2013-07-03 11:08:24 -07:00
Linus Torvalds
1873e50028 Main features: 
- KVM and Xen ports to AArch64
 - Hugetlbfs and transparent huge pages support for arm64
 - Applied Micro X-Gene Kconfig entry and dts file
 - Cache flushing improvements
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull ARM64 updates from Catalin Marinas:
 "Main features:
   - KVM and Xen ports to AArch64
   - Hugetlbfs and transparent huge pages support for arm64
   - Applied Micro X-Gene Kconfig entry and dts file
   - Cache flushing improvements

  For arm64 huge pages support, there are x86 changes moving part of
  arch/x86/mm/hugetlbpage.c into mm/hugetlb.c to be re-used by arm64"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: (66 commits)
  arm64: Add initial DTS for APM X-Gene Storm SOC and APM Mustang board
  arm64: Add defines for APM ARMv8 implementation
  arm64: Enable APM X-Gene SOC family in the defconfig
  arm64: Add Kconfig option for APM X-Gene SOC family
  arm64/Makefile: provide vdso_install target
  ARM64: mm: THP support.
  ARM64: mm: Raise MAX_ORDER for 64KB pages and THP.
  ARM64: mm: HugeTLB support.
  ARM64: mm: Move PTE_PROT_NONE bit.
  ARM64: mm: Make PAGE_NONE pages read only and no-execute.
  ARM64: mm: Restore memblock limit when map_mem finished.
  mm: thp: Correct the HPAGE_PMD_ORDER check.
  x86: mm: Remove general hugetlb code from x86.
  mm: hugetlb: Copy general hugetlb code from x86 to mm.
  x86: mm: Remove x86 version of huge_pmd_share.
  mm: hugetlb: Copy huge_pmd_share from x86 to mm.
  arm64: KVM: document kernel object mappings in HYP
  arm64: KVM: MAINTAINERS update
  arm64: KVM: userspace API documentation
  arm64: KVM: enable initialization of a 32bit vcpu
  ...
 2013-07-03 10:31:38 -07:00
Linus Torvalds
fb2af0020a Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 
Pull ARM updates from Russell King:
 "This contains the usual updates from other people (listed below) and
  the usual random muddle of miscellaneous ARM updates which cover some
  low priority bug fixes and performance improvements.

  I've started to put the pull request wording into the merge commits,
  which are:

   - NoMMU stuff:

     This includes the following series sent earlier to the list:
      - nommu-fixes
      - R7 Support
      - MPU support

     I've left out the ARCH_MULTIPLATFORM/!MMU stuff that Arnd and I
     were discussing today until we've reached a conclusion/that's had
     some more review.

     This is rebased (and re-tested) on your devel-stable branch because
     otherwise there were going to be conflicts with Uwe's V7M work now
     that you've merged that.  I've included the fix for limiting MPU to
     CPU_V7.

   - Huge page support

     These changes bring both HugeTLB support and Transparent HugePage
     (THP) support to ARM.  Only long descriptors (LPAE) are supported
     in this series.

     The code has been tested on an Arndale board (Exynos 5250).

   - LPAE updates

     Please pull these miscellaneous LPAE fixes I've been collecting for
     a while now for 3.11.  They've been tested and reviewed by quite a
     few people, and most of the patches are pretty trivial.  -- Will Deacon.

   - arch_timer cleanups

     Please pull these arch_timer cleanups I've been holding onto for a
     while.  They're the same as my last posting, but have been rebased
     to v3.10-rc3.

   - mpidr linearisation (multiprocessor id register - identifies which
     CPU number we are in the system)

     This patch series that implements MPIDR linearization through a
     simple hashing algorithm and updates current cpu_{suspend}/{resume}
     code to use the newly created hash structures to retrieve context
     pointers.  It represents a stepping stone for the implementation of
     power management code on forthcoming multi-cluster ARM systems.

     It has been tested on TC2 (dual cluster A15xA7 system), iMX6q,
     OMAP4 and Tegra, with processors hitting low-power states requiring
     warm-boot resume through the cpu_resume code path"

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (77 commits)
  ARM: 7775/1: mm: Remove do_sect_fault from LPAE code
  ARM: 7777/1: Avoid extra calls to the C compiler
  ARM: 7774/1: Fix dtb dependency to use order-only prerequisites
  ARM: 7770/1: remove residual ARMv2 support from decompressor
  ARM: 7769/1: Cortex-A15: fix erratum 798181 implementation
  ARM: 7768/1: prevent risks of out-of-bound access in ASID allocator
  ARM: 7767/1: let the ASID allocator handle suspended animation
  ARM: 7766/1: versatile: don't mark pen as __INIT
  ARM: 7765/1: perf: Record the user-mode PC in the call chain.
  ARM: 7735/2: Preserve the user r/w register TPIDRURW on context switch and fork
  ARM: kernel: implement stack pointer save array through MPIDR hashing
  ARM: kernel: build MPIDR hash function data structure
  ARM: mpu: Ensure that MPU depends on CPU_V7
  ARM: mpu: protect the vectors page with an MPU region
  ARM: mpu: Allow enabling of the MPU via kconfig
  ARM: 7758/1: introduce config HAS_BANDGAP
  ARM: 7757/1: mm: don't flush icache in switch_mm with hardware broadcasting
  ARM: 7751/1: zImage: don't overwrite ourself with a page table
  ARM: 7749/1: spinlock: retry trylock operation if strex fails on free lock
  ARM: 7748/1: oabi: handle faults when loading swi instruction from userspace
  ...
 2013-07-03 09:46:29 -07:00
Linus Torvalds
790eac5640 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull second set of VFS changes from Al Viro:
 "Assorted f_pos race fixes, making do_splice_direct() safe to call with
  i_mutex on parent, O_TMPFILE support, Jeff's locks.c series,
  ->d_hash/->d_compare calling conventions changes from Linus, misc
  stuff all over the place."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  Document ->tmpfile()
  ext4: ->tmpfile() support
  vfs: export lseek_execute() to modules
  lseek_execute() doesn't need an inode passed to it
  block_dev: switch to fixed_size_llseek()
  cpqphp_sysfs: switch to fixed_size_llseek()
  tile-srom: switch to fixed_size_llseek()
  proc_powerpc: switch to fixed_size_llseek()
  ubi/cdev: switch to fixed_size_llseek()
  pci/proc: switch to fixed_size_llseek()
  isapnp: switch to fixed_size_llseek()
  lpfc: switch to fixed_size_llseek()
  locks: give the blocked_hash its own spinlock
  locks: add a new "lm_owner_key" lock operation
  locks: turn the blocked_list into a hashtable
  locks: convert fl_link to a hlist_node
  locks: avoid taking global lock if possible when waking up blocked waiters
  locks: protect most of the file_lock handling with i_lock
  locks: encapsulate the fl_link list handling
  locks: make "added" in __posix_lock_file a bool
  ...
 2013-07-03 09:10:19 -07:00
Al Viro
48bde8d362 Document ->tmpfile() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-07-03 16:23:29 +04:00
Al Viro
af51a2ac36 ext4: ->tmpfile() support 
very similar to ext3 counterpart...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-07-03 16:23:28 +04:00
Jie Liu
46a1c2c7ae vfs: export lseek_execute() to modules 
For those file systems(btrfs/ext4/ocfs2/tmpfs) that support
SEEK_DATA/SEEK_HOLE functions, we end up handling the similar
matter in lseek_execute() to update the current file offset
to the desired offset if it is valid, ceph also does the
simliar things at ceph_llseek().

To reduce the duplications, this patch make lseek_execute()
public accessible so that we can call it directly from the
underlying file systems.

Thanks Dave Chinner for this suggestion.

[AV: call it vfs_setpos(), don't bring the removed 'inode' argument back]

v2->v1:
- Add kernel-doc comments for lseek_execute()
- Call lseek_execute() in ceph->llseek()

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Chris Mason <chris.mason@fusionio.com>
Cc: Josef Bacik <jbacik@fusionio.com>
Cc: Ben Myers <bpm@sgi.com>
Cc: Ted Tso <tytso@mit.edu>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Sage Weil <sage@inktank.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-07-03 16:23:27 +04:00
Linus Torvalds
0b0585c3e1 Merge branch 'for-3.11-cpuset' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cpuset changes from Tejun Heo:
 "cpuset has always been rather odd about its configurations - a cgroup
  right after creation didn't allow any task executions before
  configuration, changing configuration in the parent modifies the
  descendants irreversibly and so on.  These behaviors are inherently
  nasty and almost hostile against sharing the hierarchy with other
  controllers making it very difficult to use in unified hierarchy.

  Li is currently in the process of updating the behaviors for
  __DEVEL__sane_behavior which is the bulk of changes in this pull
  request.  It isn't complete yet and the behaviors will change further
  but all changes are gated behind sane_behavior.  In the process, the
  rather hairy work-item punting which was used to work around the
  limitations of cgroup descendant iterator was simplified."

* 'for-3.11-cpuset' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cpuset: rename @cont to @cgrp
  cpuset: fix to migrate mm correctly in a corner case
  cpuset: allow to move tasks to empty cpusets
  cpuset: allow to keep tasks in empty cpusets
  cpuset: introduce effective_{cpumask|nodemask}_cpuset()
  cpuset: record old_mems_allowed in struct cpuset
  cpuset: remove async hotplug propagation work
  cpuset: let hotplug propagation work wait for task attaching
  cpuset: re-structure update_cpumask() a bit
  cpuset: remove cpuset_test_cpumask()
  cpuset: remove unnecessary variable in cpuset_attach()
  cpuset: cleanup guarantee_online_{cpus|mems}()
  cpuset: remove redundant check in cpuset_cpus_allowed_fallback()
 2013-07-02 20:04:25 -07:00
Linus Torvalds
b028161fbb Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cgroup changes from Tejun Heo:
 "This pull request contains the following changes.

   - cgroup_subsys_state (css) reference counting has been converted to
     percpu-ref.  css is what each resource controller embeds into its
     own control structure and perform reference count against.  It may
     be used in hot paths of various subsystems and is similar to module
     refcnt in that aspect.  For example, block-cgroup's css refcnting
     was showing up a lot in Mikulaus's device-mapper scalability work
     and this should alleviate it.

   - cgroup subtree iterator has been updated so that RCU read lock can
     be released after grabbing reference.  This allows simplifying its
     users which requires blocking which used to build iteration list
     under RCU read lock and then traverse it outside.  This pull
     request contains simplification of cgroup core and device-cgroup.
     A separate pull request will update cpuset.

   - Fixes for various bugs including corner race conditions and RCU
     usage bugs.

   - A lot of cleanups and some prepartory work for the planned unified
     hierarchy support."

* 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (48 commits)
  cgroup: CGRP_ROOT_SUBSYS_BOUND should also be ignored when mounting an existing hierarchy
  cgroup: CGRP_ROOT_SUBSYS_BOUND should be ignored when comparing mount options
  cgroup: fix deadlock on cgroup_mutex via drop_parsed_module_refcounts()
  cgroup: always use RCU accessors for protected accesses
  cgroup: fix RCU accesses around task->cgroups
  cgroup: fix RCU accesses to task->cgroups
  cgroup: grab cgroup_mutex in drop_parsed_module_refcounts()
  cgroup: fix cgroupfs_root early destruction path
  cgroup: reserve ID 0 for dummy_root and 1 for unified hierarchy
  cgroup: implement for_each_[builtin_]subsys()
  cgroup: move init_css_set initialization inside cgroup_mutex
  cgroup: s/for_each_subsys()/for_each_root_subsys()/
  cgroup: clean up find_css_set() and friends
  cgroup: remove cgroup->actual_subsys_mask
  cgroup: prefix global variables with "cgroup_"
  cgroup: convert CFTYPE_* flags to enums
  cgroup: rename cont to cgrp
  cgroup: clean up cgroup_serial_nr_cursor
  cgroup: convert cgroup_cft_commit() to use cgroup_for_each_descendant_pre()
  cgroup: make serial_nr_cursor available throughout cgroup.c
  ...
 2013-07-02 19:54:47 -07:00
Linus Torvalds
f317ff9eed Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 
Pull workqueue changes from Tejun Heo:
 "Surprisingly, Lai and I didn't break too many things implementing
  custom pools and stuff last time around and there aren't any follow-up
  changes necessary at this point.

  The only change in this pull request is Viresh's patches to make some
  per-cpu workqueues to behave as unbound workqueues dependent on a boot
  param whose default can be configured via a config option.  This leads
  to higher processing overhead / lower bandwidth as more work items are
  bounced across CPUs; however, it can lead to noticeable powersave in
  certain configurations - ~10% w/ idlish constant workload on a
  big.LITTLE configuration according to Viresh.

  This is because per-cpu workqueues interfere with how the scheduler
  perceives whether or not each CPU is idle by forcing pinned tasks on
  them, which makes the scheduler's power-aware scheduling decisions
  less effective.

  Its effectiveness is likely less pronounced on homogenous
  configurations and this type of optimization can probably be made
  automatic; however, the changes are pretty minimal and the affected
  workqueues are clearly marked, so it's an easy gain for some
  configurations for the time being with pretty unintrusive changes."

* 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  fbcon: queue work on power efficient wq
  block: queue work on power efficient wq
  PHYLIB: queue work on system_power_efficient_wq
  workqueue: Add system wide power_efficient workqueues
  workqueues: Introduce new flag WQ_POWER_EFFICIENT for power oriented workqueues
 2013-07-02 19:53:30 -07:00
Linus Torvalds
13cc560138 Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 
Pull per-cpu changes from Tejun Heo:
 "This pull request contains Kent's per-cpu reference counter.  It has
  gone through several iterations since the last time and the dynamic
  allocation is gone.

  The usual usage is relatively straight-forward although async kill
  confirm interface, which is not used int most cases, is somewhat icky.
  There also are some interface concerns - e.g.  I'm not sure about
  passing in @relesae callback during init as that becomes funny when we
  later implement synchronous kill_and_drain - but nothing too serious
  and it's quite useable now.

  cgroup_subsys_state refcnting has already been converted and we should
  convert module refcnt (Kent?)"

* 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  percpu-refcount: use RCU-sched insted of normal RCU
  percpu-refcount: implement percpu_tryget() along with percpu_ref_kill_and_confirm()
  percpu-refcount: implement percpu_ref_cancel_init()
  percpu-refcount: add __must_check to percpu_ref_init() and don't use ACCESS_ONCE() in percpu_ref_kill_rcu()
  percpu-refcount: cosmetic updates
  percpu-refcount: consistently use plain (non-sched) RCU
  percpu-refcount: Don't use silly cmpxchg()
  percpu: implement generic percpu refcounting
 2013-07-02 19:52:14 -07:00
Linus Torvalds
7c6809ff2b Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 UV update from Ingo Molnar:
 "There's a single commit in this tree, which adds support for a new SGI
  UV GRU (Global Reference Unit - fast NUMA messaging ASIC) hardware
  feature to scale up and beyond: an optional distributed mode that will
  allow per-node address mapping of local GRU space, as opposed to
  mapping all GRU hardware to the same contiguous high space"

* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/UV: Add GRU distributed mode mappings
 2013-07-02 16:33:05 -07:00
Linus Torvalds
96a3d998fb Merge branch 'x86-tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 tracing updates from Ingo Molnar:
 "This tree adds IRQ vector tracepoints that are named after the handler
  and which output the vector #, based on a zero-overhead approach that
  relies on changing the IDT entries, by Seiji Aguchi.

  The new tracepoints look like this:

   # perf list | grep -i irq_vector
    irq_vectors:local_timer_entry                      [Tracepoint event]
    irq_vectors:local_timer_exit                       [Tracepoint event]
    irq_vectors:reschedule_entry                       [Tracepoint event]
    irq_vectors:reschedule_exit                        [Tracepoint event]
    irq_vectors:spurious_apic_entry                    [Tracepoint event]
    irq_vectors:spurious_apic_exit                     [Tracepoint event]
    irq_vectors:error_apic_entry                       [Tracepoint event]
    irq_vectors:error_apic_exit                        [Tracepoint event]
   [...]"

* 'x86-tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tracing: Add config option checking to the definitions of mce handlers
  trace,x86: Do not call local_irq_save() in load_current_idt()
  trace,x86: Move creation of irq tracepoints from apic.c to irq.c
  x86, trace: Add irq vector tracepoints
  x86: Rename variables for debugging
  x86, trace: Introduce entering/exiting_irq()
  tracing: Add DEFINE_EVENT_FN() macro
 2013-07-02 16:31:49 -07:00
Linus Torvalds
3045f94a20 Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 RAS update from Ingo Molnar:
 "The changes in this tree are:

   - ACPI APEI (ACPI Platform Error Interface) improvements, by Chen
     Gong
   - misc MCE fixes/cleanups"

* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Update MCE severity condition check
  mce: acpi/apei: Add comments to clarify usage of the various bitfields in the MCA subsystem
  ACPI/APEI: Update einj documentation for param1/param2
  ACPI/APEI: Add parameter check before error injection
  ACPI, APEI, EINJ: Fix error return code in einj_init()
  x86, mce: Fix "braodcast" typo
 2013-07-02 16:30:46 -07:00
Linus Torvalds
52e8ad9066 Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 platform updates from Ingo Molnar:
 "Two changes:

   - A Kconfig dependency fix/cleanup

   - Introduce the 'make kvmconfig' KVM configuration helper utility
     that turns the current .config into a KVM-bootable config.  Useful
     for debugging specific native kernel configs that have no KVM
     config options enabled on VM setups."

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/platform: Make X86_GOLDFISH depend on X86_EXTENDED_PLATFORM
  x86/platform: Add kvmconfig to the phony targets
  x86, platform, kvm, kconfig: Turn existing .config's into KVM-capable configs
 2013-07-02 16:29:48 -07:00
Linus Torvalds
1982269a5c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 mm changes from Ingo Molnar:
 "Misc improvements:

   - Fix /proc/mtrr reporting
   - Fix ioremap printout
   - Remove the unused pvclock fixmap entry on 32-bit
   - misc cleanups"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/ioremap: Correct function name output
  x86: Fix /proc/mtrr with base/size more than 44bits
  ix86: Don't waste fixmap entries
  x86/mm: Drop unneeded include <asm/*pgtable, page*_types.h>
  x86_64: Correct phys_addr in cleanup_highmap comment
 2013-07-02 16:29:05 -07:00
Linus Torvalds
fdd78889aa Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 microcode loading update from Ingo Molnar:
 "Two main changes that improve microcode loading on AMD CPUs:

   - Add support for all-in-one binary microcode files that concatenate
     the microcode images of multiple processor families, by Jacob Shin

   - Add early microcode loading (embedded in the initrd) support, also
     by Jacob Shin"

* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, microcode, amd: Another early loading fixup
  x86, microcode, amd: Allow multiple families' bin files appended together
  x86, microcode, amd: Make find_ucode_in_initrd() __init
  x86, microcode, amd: Fix warnings and errors on with CONFIG_MICROCODE=m
  x86, microcode, amd: Early microcode patch loading support for AMD
  x86, microcode, amd: Refactor functions to prepare for early loading
  x86, microcode: Vendor abstract out save_microcode_in_initrd()
  x86, microcode, intel: Correct typo in printk
 2013-07-02 16:28:10 -07:00
Linus Torvalds
d652df0b2f Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 FPU changes from Ingo Molnar:
 "There are two bigger changes in this tree:

   - Add an [early-use-]safe static_cpu_has() variant and other
     robustness improvements, including the new X86_DEBUG_STATIC_CPU_HAS
     configurable debugging facility, motivated by recent obscure FPU
     code bugs, by Borislav Petkov

   - Reimplement FPU detection code in C and drop the old asm code, by
     Peter Anvin."

* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, fpu: Use static_cpu_has_safe before alternatives
  x86: Add a static_cpu_has_safe variant
  x86: Sanity-check static_cpu_has usage
  x86, cpu: Add a synthetic, always true, cpu feature
  x86: Get rid of ->hard_math and all the FPU asm fu
 2013-07-02 16:26:44 -07:00
Linus Torvalds
4d6f843a38 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:
 "Two fixes that should in principle increase robustness of our
  interaction with the EFI firmware, and a cleanup"

* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, efi: retry ExitBootServices() on failure
  efi: Convert runtime services function ptrs
  UEFI: Don't pass boot services regions to SetVirtualAddressMap()
 2013-07-02 16:25:50 -07:00
Linus Torvalds
55a0d3ff60 Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 debug update from Ingo Molnar:
 "Misc debuggability improvements:

   - Optimize the x86 CPU register printout a bit
   - Expose the tboot TXT log via debugfs
   - Small do_debug() cleanup"

* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tboot: Provide debugfs interfaces to access TXT log
  x86: Remove weird PTR_ERR() in do_debug
  x86/debug: Only print out DR registers if they are not power-on defaults
 2013-07-02 16:25:06 -07:00
Linus Torvalds
35c23d5d79 Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cpu updates from Ingo Molnar:
 "Two changes:

   - Extend 32-bit double fault debugging aid to 64-bit
   - Fix a build warning"

* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel/cacheinfo: Shut up last long-standing warning
  x86: Extend #DF debugging aid to 64-bit
 2013-07-02 16:24:24 -07:00
Linus Torvalds
57935b262c Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cleanups from Ingo Molnar:
 "Misc x86 cleanups"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, reloc: Use xorl instead of xorq in relocate_kernel_64.S
  x86, cleanups: Remove extra tab in __flush_tlb_one()
  x86/mce: Remove check for CONFIG_X86_MCE_P4THERMAL
 2013-07-02 16:23:50 -07:00
Linus Torvalds
5f16a8cf2d Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 boot build fix from Ingo Molnar:
 "Small fixlet for the build process"

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Close opened file descriptor
 2013-07-02 16:22:55 -07:00
Linus Torvalds
002e44bfb5 Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull asm/x86 changes from Ingo Molnar:
 "Misc changes, with a bigger processor-flags cleanup/reorganization by
  Peter Anvin"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, asm, cleanup: Replace open-coded control register values with symbolic
  x86, processor-flags: Fix the datatypes and add bit number defines
  x86: Rename X86_CR4_RDWRGSFS to X86_CR4_FSGSBASE
  x86, flags: Rename X86_EFLAGS_BIT1 to X86_EFLAGS_FIXED
  linux/const.h: Add _BITUL() and _BITULL()
  x86/vdso: Convert use of typedef ctl_table to struct ctl_table
  x86: __force_order doesn't need to be an actual variable
 2013-07-02 16:21:45 -07:00
Linus Torvalds
e13053f506 Merge branch 'sched-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull voluntary preemption fixes from Ingo Molnar:
 "This tree contains a speedup which is achieved through better
  might_sleep()/might_fault() preemption point annotations for uaccess
  functions, by Michael S Tsirkin:

  1. The only reason uaccess routines might sleep is if they fault.
     Make this explicit for all architectures.

  2. A voluntary preemption point in uaccess functions means compiler
     can't inline them efficiently, this breaks assumptions that they
     are very fast and small that e.g.  net code seems to make.  Remove
     this preemption point so behaviour matches with what callers
     assume.

  3. Accesses (e.g through socket ops) to kernel memory with KERNEL_DS
     like net/sunrpc does will never sleep.  Remove an unconditinal
     might_sleep() in the might_fault() inline in kernel.h (used when
     PROVE_LOCKING is not set).

  4. Accesses with pagefault_disable() return EFAULT but won't cause
     caller to sleep.  Check for that and thus avoid might_sleep() when
     PROVE_LOCKING is set.

  These changes offer a nice speedup for CONFIG_PREEMPT_VOLUNTARY=y
  kernels, here's a network bandwidth measurement between a virtual
  machine and the host:

   before:
        incoming: 7122.77   Mb/s
        outgoing: 8480.37   Mb/s

   after:
        incoming: 8619.24   Mb/s   [ +21.0% ]
        outgoing: 9455.42   Mb/s   [ +11.5% ]

  I kept these changes in a separate tree, separate from scheduler
  changes, because it's a mixed MM and scheduler topic"

* 'sched-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mm, sched: Allow uaccess in atomic with pagefault_disable()
  mm, sched: Drop voluntary schedule from might_fault()
  x86: uaccess s/might_sleep/might_fault/
  tile: uaccess s/might_sleep/might_fault/
  powerpc: uaccess s/might_sleep/might_fault/
  mn10300: uaccess s/might_sleep/might_fault/
  microblaze: uaccess s/might_sleep/might_fault/
  m32r: uaccess s/might_sleep/might_fault/
  frv: uaccess s/might_sleep/might_fault/
  arm64: uaccess s/might_sleep/might_fault/
  asm-generic: uaccess s/might_sleep/might_fault/
 2013-07-02 16:19:24 -07:00
Linus Torvalds
2d722f6d56 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler updates from Ingo Molnar:
 "The main changes:

   - load-calculation cleanups and improvements, by Alex Shi
   - various nohz related tidying up of statisics, by Frederic
     Weisbecker
   - factor out /proc functions to kernel/sched/proc.c, by Paul
     Gortmaker
   - simplify the RT policy scheduler, by Kirill Tkhai
   - various fixes and cleanups"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
  sched/debug: Remove CONFIG_FAIR_GROUP_SCHED mask
  sched/debug: Fix formatting of /proc/<PID>/sched
  sched: Fix typo in struct sched_avg member description
  sched/fair: Fix typo describing flags in enqueue_entity
  sched/debug: Add load-tracking statistics to task
  sched: Change get_rq_runnable_load() to static and inline
  sched/tg: Remove tg.load_weight
  sched/cfs_rq: Change atomic64_t removed_load to atomic_long_t
  sched/tg: Use 'unsigned long' for load variable in task group
  sched: Change cfs_rq load avg to unsigned long
  sched: Consider runnable load average in move_tasks()
  sched: Compute runnable load avg in cpu_load and cpu_avg_load_per_task
  sched: Update cpu load after task_tick
  sched: Fix sleep time double accounting in enqueue entity
  sched: Set an initial value of runnable avg for new forked task
  sched: Move a few runnable tg variables into CONFIG_SMP
  Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking"
  sched: Don't mix use of typedef ctl_table and struct ctl_table
  sched: Remove WARN_ON(!sd) from init_sched_groups_power()
  sched: Fix memory leakage in build_sched_groups()
  ...
 2013-07-02 16:17:25 -07:00