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Author SHA1 Message Date
Søren Andersen
796b7abb33 rtc: add pcf85063 support 
Add support for the pcf85063 rtc chip.

[akpm@linux-foundation.org: fix comment typo, tweak conding style]
Signed-off-by: Soeren Andersen <san@rosetechnology.dk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-08 15:57:20 -07:00
Johannes Weiner
0a31bc97c8 mm: memcontrol: rewrite uncharge API 
The memcg uncharging code that is involved towards the end of a page's
lifetime - truncation, reclaim, swapout, migration - is impressively
complicated and fragile.

Because anonymous and file pages were always charged before they had their
page->mapping established, uncharges had to happen when the page type
could still be known from the context; as in unmap for anonymous, page
cache removal for file and shmem pages, and swap cache truncation for swap
pages.  However, these operations happen well before the page is actually
freed, and so a lot of synchronization is necessary:

- Charging, uncharging, page migration, and charge migration all need
  to take a per-page bit spinlock as they could race with uncharging.

- Swap cache truncation happens during both swap-in and swap-out, and
  possibly repeatedly before the page is actually freed.  This means
  that the memcg swapout code is called from many contexts that make
  no sense and it has to figure out the direction from page state to
  make sure memory and memory+swap are always correctly charged.

- On page migration, the old page might be unmapped but then reused,
  so memcg code has to prevent untimely uncharging in that case.
  Because this code - which should be a simple charge transfer - is so
  special-cased, it is not reusable for replace_page_cache().

But now that charged pages always have a page->mapping, introduce
mem_cgroup_uncharge(), which is called after the final put_page(), when we
know for sure that nobody is looking at the page anymore.

For page migration, introduce mem_cgroup_migrate(), which is called after
the migration is successful and the new page is fully rmapped.  Because
the old page is no longer uncharged after migration, prevent double
charges by decoupling the page's memcg association (PCG_USED and
pc->mem_cgroup) from the page holding an actual charge.  The new bits
PCG_MEM and PCG_MEMSW represent the respective charges and are transferred
to the new page during migration.

mem_cgroup_migrate() is suitable for replace_page_cache() as well,
which gets rid of mem_cgroup_replace_page_cache().  However, care
needs to be taken because both the source and the target page can
already be charged and on the LRU when fuse is splicing: grab the page
lock on the charge moving side to prevent changing pc->mem_cgroup of a
page under migration.  Also, the lruvecs of both pages change as we
uncharge the old and charge the new during migration, and putback may
race with us, so grab the lru lock and isolate the pages iff on LRU to
prevent races and ensure the pages are on the right lruvec afterward.

Swap accounting is massively simplified: because the page is no longer
uncharged as early as swap cache deletion, a new mem_cgroup_swapout() can
transfer the page's memory+swap charge (PCG_MEMSW) to the swap entry
before the final put_page() in page reclaim.

Finally, page_cgroup changes are now protected by whatever protection the
page itself offers: anonymous pages are charged under the page table lock,
whereas page cache insertions, swapin, and migration hold the page lock.
Uncharging happens under full exclusion with no outstanding references.
Charging and uncharging also ensure that the page is off-LRU, which
serializes against charge migration.  Remove the very costly page_cgroup
lock and set pc->flags non-atomically.

[mhocko@suse.cz: mem_cgroup_charge_statistics needs preempt_disable]
[vdavydov@parallels.com: fix flags definition]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Tested-by: Jet Chen <jet.chen@intel.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-08 15:57:17 -07:00
Johannes Weiner
00501b531c mm: memcontrol: rewrite charge API 
These patches rework memcg charge lifetime to integrate more naturally
with the lifetime of user pages.  This drastically simplifies the code and
reduces charging and uncharging overhead.  The most expensive part of
charging and uncharging is the page_cgroup bit spinlock, which is removed
entirely after this series.

Here are the top-10 profile entries of a stress test that reads a 128G
sparse file on a freshly booted box, without even a dedicated cgroup (i.e.
 executing in the root memcg).  Before:

    15.36%              cat  [kernel.kallsyms]   [k] copy_user_generic_string
    13.31%              cat  [kernel.kallsyms]   [k] memset
    11.48%              cat  [kernel.kallsyms]   [k] do_mpage_readpage
     4.23%              cat  [kernel.kallsyms]   [k] get_page_from_freelist
     2.38%              cat  [kernel.kallsyms]   [k] put_page
     2.32%              cat  [kernel.kallsyms]   [k] __mem_cgroup_commit_charge
     2.18%          kswapd0  [kernel.kallsyms]   [k] __mem_cgroup_uncharge_common
     1.92%          kswapd0  [kernel.kallsyms]   [k] shrink_page_list
     1.86%              cat  [kernel.kallsyms]   [k] __radix_tree_lookup
     1.62%              cat  [kernel.kallsyms]   [k] __pagevec_lru_add_fn

After:

    15.67%           cat  [kernel.kallsyms]   [k] copy_user_generic_string
    13.48%           cat  [kernel.kallsyms]   [k] memset
    11.42%           cat  [kernel.kallsyms]   [k] do_mpage_readpage
     3.98%           cat  [kernel.kallsyms]   [k] get_page_from_freelist
     2.46%           cat  [kernel.kallsyms]   [k] put_page
     2.13%       kswapd0  [kernel.kallsyms]   [k] shrink_page_list
     1.88%           cat  [kernel.kallsyms]   [k] __radix_tree_lookup
     1.67%           cat  [kernel.kallsyms]   [k] __pagevec_lru_add_fn
     1.39%       kswapd0  [kernel.kallsyms]   [k] free_pcppages_bulk
     1.30%           cat  [kernel.kallsyms]   [k] kfree

As you can see, the memcg footprint has shrunk quite a bit.

   text    data     bss     dec     hex filename
  37970    9892     400   48262    bc86 mm/memcontrol.o.old
  35239    9892     400   45531    b1db mm/memcontrol.o

This patch (of 4):

The memcg charge API charges pages before they are rmapped - i.e.  have an
actual "type" - and so every callsite needs its own set of charge and
uncharge functions to know what type is being operated on.  Worse,
uncharge has to happen from a context that is still type-specific, rather
than at the end of the page's lifetime with exclusive access, and so
requires a lot of synchronization.

Rewrite the charge API to provide a generic set of try_charge(),
commit_charge() and cancel_charge() transaction operations, much like
what's currently done for swap-in:

  mem_cgroup_try_charge() attempts to reserve a charge, reclaiming
  pages from the memcg if necessary.

  mem_cgroup_commit_charge() commits the page to the charge once it
  has a valid page->mapping and PageAnon() reliably tells the type.

  mem_cgroup_cancel_charge() aborts the transaction.

This reduces the charge API and enables subsequent patches to
drastically simplify uncharging.

As pages need to be committed after rmap is established but before they
are added to the LRU, page_add_new_anon_rmap() must stop doing LRU
additions again.  Revive lru_cache_add_active_or_unevictable().

[hughd@google.com: fix shmem_unuse]
[hughd@google.com: Add comments on the private use of -EAGAIN]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-08 15:57:17 -07:00
Linus Torvalds
f536b3cae8 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 
Pull powerpc updates from Ben Herrenschmidt:
 "This is the powerpc new goodies for 3.17.  The short story:

  The biggest bit is Michael removing all of pre-POWER4 processor
  support from the 64-bit kernel.  POWER3 and rs64.  This gets rid of a
  ton of old cruft that has been bitrotting in a long while.  It was
  broken for quite a few versions already and nobody noticed.  Nobody
  uses those machines anymore.  While at it, he cleaned up a bunch of
  old dusty cabinets, getting rid of a skeletton or two.

  Then, we have some base VFIO support for KVM, which allows assigning
  of PCI devices to KVM guests, support for large 64-bit BARs on
  "powernv" platforms, support for HMI (Hardware Management Interrupts)
  on those same platforms, some sparse-vmemmap improvements (for memory
  hotplug),

  There is the usual batch of Freescale embedded updates (summary in the
  merge commit) and fixes here or there, I think that's it for the
  highlights"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (102 commits)
  powerpc/eeh: Export eeh_iommu_group_to_pe()
  powerpc/eeh: Add missing #ifdef CONFIG_IOMMU_API
  powerpc: Reduce scariness of interrupt frames in stack traces
  powerpc: start loop at section start of start in vmemmap_populated()
  powerpc: implement vmemmap_free()
  powerpc: implement vmemmap_remove_mapping() for BOOK3S
  powerpc: implement vmemmap_list_free()
  powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE
  powerpc/book3s: Fix endianess issue for HMI handling on napping cpus.
  powerpc/book3s: handle HMIs for cpus in nap mode.
  powerpc/powernv: Invoke opal call to handle hmi.
  powerpc/book3s: Add basic infrastructure to handle HMI in Linux.
  powerpc/iommu: Fix comments with it_page_shift
  powerpc/powernv: Handle compound PE in config accessors
  powerpc/powernv: Handle compound PE for EEH
  powerpc/powernv: Handle compound PE
  powerpc/powernv: Split ioda_eeh_get_state()
  powerpc/powernv: Allow to freeze PE
  powerpc/powernv: Enable M64 aperatus for PHB3
  powerpc/eeh: Aux PE data for error log
  ...
 2014-08-07 08:50:34 -07:00
Linus Torvalds
e669830526 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 
Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for 3.17.  It contains:

   - misc Cavium Octeon, BCM47xx, BCM63xx and Alchemy  updates
   - MIPS ptrace updates and cleanups
   - various fixes that will also go to -stable
   - a number of cleanups and small non-critical fixes.
   - NUMA support for the Loongson 3.
   - more support for MSA
   - support for MAAR
   - various FP enhancements and fixes"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (139 commits)
  MIPS: jz4740: remove unnecessary null test before debugfs_remove
  MIPS: Octeon: remove unnecessary null test before debugfs_remove_recursive
  MIPS: ZBOOT: implement stack protector in compressed boot phase
  MIPS: mipsreg: remove duplicate MIPS_CONF4_FTLBSETS_SHIFT
  MIPS: Bonito64: remove a duplicate define
  MIPS: Malta: initialise MAARs
  MIPS: Initialise MAARs
  MIPS: detect presence of MAARs
  MIPS: define MAAR register accessors & bits
  MIPS: mark MSA experimental
  MIPS: Don't build MSA support unless it can be used
  MIPS: consistently clear MSA flags when starting & copying threads
  MIPS: 16 byte align MSA vector context
  MIPS: disable preemption whilst initialising MSA
  MIPS: ensure MSA gets disabled during boot
  MIPS: fix read_msa_* & write_msa_* functions on non-MSA toolchains
  MIPS: fix MSA context for tasks which don't use FP first
  MIPS: init upper 64b of vector registers when MSA is first used
  MIPS: save/disable MSA in lose_fpu
  MIPS: preserve scalar FP CSR when switching vector context
  ...
 2014-08-07 08:47:00 -07:00
Linus Torvalds
ebb067d2f4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 
Pull s390 updates from Martin Schwidefsky:
 "Mostly cleanups and bug-fixes, with two exceptions.

  The first is lazy flushing of I/O-TLBs for PCI to improve performance,
  the second is software dirty bits in the pmd for the madvise-free
  implementation"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (24 commits)
  s390/locking: Reenable optimistic spinning
  s390/mm: implement dirty bits for large segment table entries
  KVM: s390/mm: Fix page table locking vs. split pmd lock
  s390/dasd: fix camel case
  s390/3215: fix hanging console issue
  s390/irq: improve displayed interrupt order in /proc/interrupts
  s390/seccomp: fix error return for filtered system calls
  s390/pci: introduce lazy IOTLB flushing for DMA unmap
  dasd: fix error recovery for alias devices during format
  dasd: fix list_del corruption during format
  dasd: fix unresponsive device during format
  dasd: use aliases for formatted devices during format
  s390/pci: fix kmsg component
  s390/kdump: Return NOTIFY_OK for all actions other than MEM_GOING_OFFLINE
  s390/watchdog: Fix module name in Kconfig help text
  s390/dasd: replace seq_printf by seq_puts
  s390/dasd: replace pr_warning by pr_warn
  s390/dasd: Move EXPORT_SYMBOL after function/variable
  s390/dasd: remove unnecessary null test before debugfs_remove
  s390/zfcp: use qdio buffer helpers
  ...
 2014-08-07 08:41:00 -07:00
Linus Torvalds
33caee3992 Merge branch 'akpm' (patchbomb from Andrew Morton) 
Merge incoming from Andrew Morton:
 - Various misc things.
 - arch/sh updates.
 - Part of ocfs2.  Review is slow.
 - Slab updates.
 - Most of -mm.
 - printk updates.
 - lib/ updates.
 - checkpatch updates.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (226 commits)
  checkpatch: update $declaration_macros, add uninitialized_var
  checkpatch: warn on missing spaces in broken up quoted
  checkpatch: fix false positives for --strict "space after cast" test
  checkpatch: fix false positive MISSING_BREAK warnings with --file
  checkpatch: add test for native c90 types in unusual order
  checkpatch: add signed generic types
  checkpatch: add short int to c variable types
  checkpatch: add for_each tests to indentation and brace tests
  checkpatch: fix brace style misuses of else and while
  checkpatch: add --fix option for a couple OPEN_BRACE misuses
  checkpatch: use the correct indentation for which()
  checkpatch: add fix_insert_line and fix_delete_line helpers
  checkpatch: add ability to insert and delete lines to patch/file
  checkpatch: add an index variable for fixed lines
  checkpatch: warn on break after goto or return with same tab indentation
  checkpatch: emit a warning on file add/move/delete
  checkpatch: add test for commit id formatting style in commit log
  checkpatch: emit fewer kmalloc_array/kcalloc conversion warnings
  checkpatch: improve "no space after cast" test
  checkpatch: allow multiple const * types
  ...
 2014-08-06 21:14:42 -07:00
Linus Torvalds
158c12948f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 
Pull trivial tree changes from Jiri Kosina:
 "Summer edition of trivial tree updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
  doc: fix two typos in watchdog-api.txt
  irq-gic: remove file name from heading comment
  MAINTAINERS: Add miscdevice.h to file list for char/misc drivers.
  scsi: mvsas: mv_sas.c: Fix for possible null pointer dereference
  doc: replace "practise" with "practice" in Documentation
  befs: remove check for CONFIG_BEFS_RW
  scsi: doc: fix 'SCSI_NCR_SETUP_MASTER_PARITY'
  drivers/usb/phy/phy.c: remove a leading space
  mfd: fix comment
  cpuidle: fix comment
  doc: hpfall.c: fix missing null-terminate after strncpy call
  usb: doc: hotplug.txt code typos
  kbuild: fix comment in Makefile.modinst
  SH: add proper prompt to SH_MAGIC_PANEL_R2_VERSION
  ARM: msm: Remove MSM_SCM
  crypto: Remove MPILIB_EXTRA
  doc: CN: remove dead link, kerneltrap.org no longer works
  media: update reference, kerneltrap.org no longer works
  hexagon: update reference, kerneltrap.org no longer works
  doc: LSM: update reference, kerneltrap.org no longer works
  ...
 2014-08-06 21:03:53 -07:00
Linus Torvalds
172bfe09dc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 
Pull HID updates from Jiri Kosina:
 "Some highlights:

   - hid-sony improvements of Sixaxis device support by Antonio Ospite
   - hid-hyperv driven devices can now be used as wakeup source, by
     Dexuan Cui
   - hid-lenovo driver is now more generic and supports more devices, by
     Jamie Lentin
   - hid-huion now supports wider range of tablets, by Nikolai
     Kondrashov
   - other various unsorted fixes and device ID additions"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
  HID: hyperv: register as a wakeup source
  HID: sony: Default initialize all elements of the LED max_brightness array to 1
  HID: huion: Fix sparse warnings
  HID: usbhid: Use flag HID_DISCONNECTED when a usb device is removed
  HID: ignore jabra gn9350e
  HID: cp2112: add I2C mode
  HID: use multi input quirk for 22b9:2968
  HID: rmi: only bind the hid-rmi driver to the mouse interface of composite USB devices
  HID: rmi: check that report ids exist in the report_id_hash before accessing their size
  HID: lenovo: Add support for Compact (BT|USB) keyboard
  HID: lenovo: Don't call function in condition, show error codes
  HID: lenovo: Prepare support for adding other devices
  HID: lenovo: Rename hid-lenovo-tpkbd to hid-lenovo
  HID: huion: Handle tablets with UC-Logic vendor ID
  HID: huion: Switch to generating report descriptor
  HID: huion: Don't ignore other interfaces
  HID: huion: Use "tablet" instead of specific model
  HID: add quirk for 0x04d9:0xa096 device
  HID: i2c-hid: call the hid driver's suspend and resume callbacks
  HID: rmi: change logging level of log messages related to unexpected reports
  ...
 2014-08-06 20:56:28 -07:00
Linus Torvalds
a1b0a006ea Merge git://www.linux-watchdog.org/linux-watchdog 
Pull watchdog updates from Wim Van Sebroeck:
 - remove unnecessary checks after platform_get_resource()
 - fix watchdog api documentation typo's
 - imx2_wdt: adds big endianness support
 - move restart code to the sunxi watchdog driver

* git://www.linux-watchdog.org/linux-watchdog:
  wdt: sunxi: Move restart code to the watchdog driver
  Documentation: fix two typos in watchdog-api.txt
  watchdog: imx2_wdt: adds big endianness support.
  watchdog: shwdt: Remove the unnecessary check of resource after platform_get_resource()
  watchdog: lantiq_wdt: Remove the un-necessary check of resource after platform_get_resource()
  watchdog: dw_wdt: Remove the un-necessary check after platform_get_resource()
 2014-08-06 20:54:47 -07:00
Linus Torvalds
7725131982 ACPI and power management updates for 3.17-rc1 
- ACPICA update to upstream version 20140724.  That includes
    ACPI 5.1 material (support for the _CCA and _DSD predefined names,
    changes related to the DMAR and PCCT tables and ARM support among
    other things) and cleanups related to using ACPICA's header files.
    A major part of it is related to acpidump and the core code used
    by that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
    Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
 
  - Radix trees for memory bitmaps used by the hibernation core from
    Joerg Roedel.
 
  - Support for waking up the system from suspend-to-idle (also known
    as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
    (Rafael J Wysocki).
 
  - Fixes for issues related to ACPI button events (Rafael J Wysocki).
 
  - New device ID for an ACPI-enumerated device included into the
    Wildcat Point PCH from Jie Yang.
 
  - ACPI video updates related to backlight handling from Hans de Goede
    and Linus Torvalds.
 
  - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
    and Graeme Gregory.
 
  - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
 
  - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
    (Rafael J Wysocki).
 
  - ACPI-based device hotplug cleanups from Wei Yongjun and
    Rafael J Wysocki.
 
  - Cleanups and improvements related to system suspend from
    Lan Tianyu, Randy Dunlap and Rafael J Wysocki.
 
  - ACPI battery cleanup from Wei Yongjun.
 
  - cpufreq core fixes from Viresh Kumar.
 
  - Elimination of a deadband effect from the cpufreq ondemand
    governor and intel_pstate driver cleanups from Stratos Karafotis.
 
  - 350MHz CPU support for the powernow-k6 cpufreq driver from
    Mikulas Patocka.
 
  - Fix for the imx6 cpufreq driver from Anson Huang.
 
  - cpuidle core and governor cleanups from Daniel Lezcano,
    Sandeep Tripathy and Mohammad Merajul Islam Molla.
 
  - Build fix for the big_little cpuidle driver from Sachin Kamat.
 
  - Configuration fix for the Operation Performance Points (OPP)
    framework from Mark Brown.
 
  - APM cleanup from Jean Delvare.
 
  - cpupower utility fixes and cleanups from Peter Senna Tschudin,
    Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas Renninger.
 
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Merge tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Again, ACPICA leads the pack (47 commits), followed by cpufreq (18
  commits) and system suspend/hibernation (9 commits).

  From the new code perspective, the ACPICA update brings ACPI 5.1 to
  the table, including a new device configuration object called _DSD
  (Device Specific Data) that will hopefully help us to operate device
  properties like Device Trees do (at least to some extent) and changes
  related to supporting ACPI on ARM.

  Apart from that we have hibernation changes making it use radix trees
  to store memory bitmaps which should speed up some operations carried
  out by it quite significantly.  We also have some power management
  changes related to suspend-to-idle (the "freeze" sleep state) support
  and more preliminary changes needed to support ACPI on ARM (outside of
  ACPICA).

  The rest is fixes and cleanups pretty much everywhere.

  Specifics:

   - ACPICA update to upstream version 20140724.  That includes ACPI 5.1
     material (support for the _CCA and _DSD predefined names, changes
     related to the DMAR and PCCT tables and ARM support among other
     things) and cleanups related to using ACPICA's header files.  A
     major part of it is related to acpidump and the core code used by
     that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
     Sascha Wildner, Tomasz Nowicki, Hanjun Guo.

   - Radix trees for memory bitmaps used by the hibernation core from
     Joerg Roedel.

   - Support for waking up the system from suspend-to-idle (also known
     as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
     (Rafael J Wysocki).

   - Fixes for issues related to ACPI button events (Rafael J Wysocki).

   - New device ID for an ACPI-enumerated device included into the
     Wildcat Point PCH from Jie Yang.

   - ACPI video updates related to backlight handling from Hans de Goede
     and Linus Torvalds.

   - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
     and Graeme Gregory.

   - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.

   - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
     (Rafael J Wysocki).

   - ACPI-based device hotplug cleanups from Wei Yongjun and Rafael J
     Wysocki.

   - Cleanups and improvements related to system suspend from Lan
     Tianyu, Randy Dunlap and Rafael J Wysocki.

   - ACPI battery cleanup from Wei Yongjun.

   - cpufreq core fixes from Viresh Kumar.

   - Elimination of a deadband effect from the cpufreq ondemand governor
     and intel_pstate driver cleanups from Stratos Karafotis.

   - 350MHz CPU support for the powernow-k6 cpufreq driver from Mikulas
     Patocka.

   - Fix for the imx6 cpufreq driver from Anson Huang.

   - cpuidle core and governor cleanups from Daniel Lezcano, Sandeep
     Tripathy and Mohammad Merajul Islam Molla.

   - Build fix for the big_little cpuidle driver from Sachin Kamat.

   - Configuration fix for the Operation Performance Points (OPP)
     framework from Mark Brown.

   - APM cleanup from Jean Delvare.

   - cpupower utility fixes and cleanups from Peter Senna Tschudin,
     Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas
     Renninger"

* tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (118 commits)
  ACPI / LPSS: add LPSS device for Wildcat Point PCH
  ACPI / PNP: Replace faulty is_hex_digit() by isxdigit()
  ACPICA: Update version to 20140724.
  ACPICA: ACPI 5.1: Update for PCCT table changes.
  ACPICA/ARM: ACPI 5.1: Update for GTDT table changes.
  ACPICA/ARM: ACPI 5.1: Update for MADT changes.
  ACPICA/ARM: ACPI 5.1: Update for FADT changes.
  ACPICA: ACPI 5.1: Support for the _CCA predifined name.
  ACPICA: ACPI 5.1: New notify value for System Affinity Update.
  ACPICA: ACPI 5.1: Support for the _DSD predefined name.
  ACPICA: Debug object: Add current value of Timer() to debug line prefix.
  ACPICA: acpihelp: Add UUID support, restructure some existing files.
  ACPICA: Utilities: Fix local printf issue.
  ACPICA: Tables: Update for DMAR table changes.
  ACPICA: Remove some extraneous printf arguments.
  ACPICA: Update for comments/formatting. No functional changes.
  ACPICA: Disassembler: Add support for the ToUUID opererator (macro).
  ACPICA: Remove a redundant cast to acpi_size for ACPI_OFFSET() macro.
  ACPICA: Work around an ancient GCC bug.
  ACPI / processor: Make it possible to get local x2apic id via _MAT
  ...
 2014-08-06 20:34:19 -07:00
Linus Torvalds
6b22df74f7 SCSI misc on 20140806 
This patch set consists of the usual driver updates (ufs, storvsc, pm8001
 hpsa).  It also has removal of the user space target driver code (everyone is
 using LIO now), a partial PCI MSI-X update, more multi-queue updates,
 conversion to 64 bit LUNs (so we could theoretically cope with any LUN
 returned by a device) and placeholder support for the ZBC device type (Shingle
 drives), plus an assortment of minor updates and bug fixes.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch set consists of the usual driver updates (ufs, storvsc,
  pm8001 hpsa).  It also has removal of the user space target driver
  code (everyone is using LIO now), a partial PCI MSI-X update, more
  multi-queue updates, conversion to 64 bit LUNs (so we could
  theoretically cope with any LUN returned by a device) and placeholder
  support for the ZBC device type (Shingle drives), plus an assortment
  of minor updates and bug fixes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (143 commits)
  scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
  vmw_pvscsi: Use pci_enable_msix_exact() instead of pci_enable_msix()
  pm8001: Fix invalid return when request_irq() failed
  lpfc: Remove superfluous call to pci_disable_msix()
  isci: Use pci_enable_msix_exact() instead of pci_enable_msix()
  bfa: Use pci_enable_msix_exact() instead of pci_enable_msix()
  bfa: Cleanup bfad_setup_intr() function
  bfa: Do not call pci_enable_msix() after it failed once
  fnic: Use pci_enable_msix_exact() instead of pci_enable_msix()
  scsi: use short driver name for per-driver cmd slab caches
  scsi_debug: support scsi-mq, queues and locks
  Drivers: add blist flags
  scsi: ufs: fix endianness sparse warnings
  scsi: ufs: make undeclared functions static
  bnx2i: Update driver version to 2.7.10.1
  pm8001: fix a memory leak in nvmd_resp
  pm8001: fix update_flash
  pm8001: fix a memory leak in flash_update
  pm8001: Cleaning up uninitialized variables
  pm8001: Fix to remove null pointer checks that could never happen
  ...
 2014-08-06 20:10:32 -07:00
Linus Torvalds
930e0312bc sound updates for 3.17-rc1 
There've been many updates in ASoC side at this time, especially the
 framework enhancement for multiple CODECs on a single DAI and more
 componentization works.  The only major change in ALSA core is the
 addition of timestamp type in sw_params field.  This should behave in
 backward compatible way.  Other than that, there are lots of small
 changes and new drivers in wide range, including a large code cut in
 HD-audio driver for deprecated static quirks.  Some highlights are
 below:
 
 ALSA Core:
 - Add the new timestamp type field to sw_params to choose
   MONOTONIC_RAW type
 
 HD-audio:
 - Continued conversion to standard printk macros, generic code
   cleanups
 - Removal of obsoleted static quirk codes for Conexant and C-Media
   codecs
 - Fixups for HP Envy TS, Dell XPS 15, HP and Dell mute/mic LED,
   Gigabyte BXBT-2807 mobo
 - Intel Braswell support
 
 ASoC:
 - Support for multiple CODECs attached to a single DAI, enabling
   systems with for example multiple DAC/speaker drivers on a single
  link, contributed by Benoit Cousson based on work from Misael Lopez
  Cruz
 - Support for byte controls larger than 256 bytes based on the use of
   TLVs contributed by Omair Mohammed Abdullah
 - More componentisation work from Lars-Peter Clausen
 - The remainder of the conversions of CODEC drivers to params_width()
   by Mark Brown
 - Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks, Realtek
   RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas
   Instruments TAS2552
 - Lots of updates and fixes, especially to the DaVinci, Intel,
   Freescale, Realtek, and rcar drivers
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Merge tag 'sound-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There've been many updates in ASoC side at this time, especially the
  framework enhancement for multiple CODECs on a single DAI and more
  componentization works.

  The only major change in ALSA core is the addition of timestamp type
  in sw_params field.  This should behave in backward compatible way.

  Other than that, there are lots of small changes and new drivers in
  wide range, including a large code cut in HD-audio driver for
  deprecated static quirks.  Some highlights are below:

  ALSA Core:
   - Add the new timestamp type field to sw_params to choose
     MONOTONIC_RAW type

  HD-audio:
   - Continued conversion to standard printk macros, generic code
     cleanups
   - Removal of obsoleted static quirk codes for Conexant and C-Media
     codecs
   - Fixups for HP Envy TS, Dell XPS 15, HP and Dell mute/mic LED,
     Gigabyte BXBT-2807 mobo
   - Intel Braswell support

  ASoC:
   - Support for multiple CODECs attached to a single DAI, enabling
     systems with for example multiple DAC/speaker drivers on a single
     link, contributed by Benoit Cousson based on work from Misael Lopez
     Cruz
   - Support for byte controls larger than 256 bytes based on the use of
     TLVs contributed by Omair Mohammed Abdullah
   - More componentisation work from Lars-Peter Clausen
   - The remainder of the conversions of CODEC drivers to params_width()
     by Mark Brown
   - Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks,
     Realtek RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas
     Instruments TAS2552
   - Lots of updates and fixes, especially to the DaVinci, Intel,
     Freescale, Realtek, and rcar drivers"

* tag 'sound-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (402 commits)
  ALSA: usb-audio: Whitespace cleanups for sound/usb/midi.*
  ALSA: usb-audio: Respond to suspend and resume callbacks for MIDI input
  sound/oss/pss: Remove typedefs pss_mixerdata and pss_confdata
  sound/oss/opl3: Remove typedef opl_devinfo
  ALSA: fireworks: fix specifiers in format strings for propper output
  ASoC: imx-audmux: Use uintptr_t for port numbers
  ASoC: davinci: Enable menuconfig entry for McASP
  ASoC: fsl_asrc: Don't access members of config before checking it
  ASoC: fsl_sarc_dma: Check pair before using it
  ASoC: adau1977: Fix truncation warning on 64 bit architectures
  ALSA: virtuoso: add Xonar Essence STX II support
  ALSA: riptide: fix %d confusingly prefixed with 0x in format strings
  ALSA: fireworks: fix %d confusingly prefixed with 0x in format strings
  ALSA: hda - add codec ID for Braswell display audio codec
  ALSA: hda - add PCI IDs for Intel Braswell
  ALSA: usb-audio: Adjust Gamecom 780 volume level
  ALSA: usb-audio: improve dmesg source grepability
  ASoC: rt5670: Fix duplicate const warnings
  ASoC: rt5670: Staticise non-exported symbols
  ASoC: Intel: update stream only on stream IPC msgs
  ...
 2014-08-06 20:07:24 -07:00
Linus Torvalds
0498cf8429 power supply changes for the v3.17 series 
- Added iPaq h3xxx battery driver
  - Added Broadcom STB reset driver
  - DT support for rx51-battery
  - misc. fixes
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Merge tag 'for-v3.17' of git://git.infradead.org/battery-2.6

Pull power supply changes from Sebastian Reichel:
 - Added iPaq h3xxx battery driver
 - Added Broadcom STB reset driver
 - DT support for rx51-battery
 - misc. fixes

* tag 'for-v3.17' of git://git.infradead.org/battery-2.6:
  ipaq_micro_battery: fix sparse non static symbol warning
  power: add driver for battery reading on iPaq h3xxx
  power: twl4030_charger: detect battery presence prior to enabling charger
  power: reset: Add reboot driver for brcmstb
  power_supply: Fix sparse non static symbol warning
  power_supply: Add inlmt,iterm, min/max temp props
  charger: tps65090: Allow charger module to be used when no irq
  power/reset: Fix GPL v2 license string typo
  power: poweroff: gpio: convert to use descriptors
  bq27000: report missing device better.
  bq27x00_battery: Introduce the use of the managed version of kzalloc
  Documentation: DT: Document rx51-battery binding
  rx51_battery: convert to iio consumer
  bq2415x_charger: Fix Atomic Sleep Bug
 2014-08-06 20:05:34 -07:00
Ken Helias
1d023284c3 list: fix order of arguments for hlist_add_after(_rcu) 
All other add functions for lists have the new item as first argument
and the position where it is added as second argument.  This was changed
for no good reason in this function and makes using it unnecessary
confusing.

The name was changed to hlist_add_behind() to cause unconverted code to
generate a compile error instead of using the wrong parameter order.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ken Helias <kenhelias@firemail.de>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>	[intel driver bits]
Cc: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-06 18:01:24 -07:00
Luis R. Rodriguez
23b2899f7f printk: allow increasing the ring buffer depending on the number of CPUs 
The default size of the ring buffer is too small for machines with a
large amount of CPUs under heavy load.  What ends up happening when
debugging is the ring buffer overlaps and chews up old messages making
debugging impossible unless the size is passed as a kernel parameter.
An idle system upon boot up will on average spew out only about one or
two extra lines but where this really matters is on heavy load and that
will vary widely depending on the system and environment.

There are mechanisms to help increase the kernel ring buffer for tracing
through debugfs, and those interfaces even allow growing the kernel ring
buffer per CPU.  We also have a static value which can be passed upon
boot.  Relying on debugfs however is not ideal for production, and
relying on the value passed upon bootup is can only used *after* an
issue has creeped up.  Instead of being reactive this adds a proactive
measure which lets you scale the amount of contributions you'd expect to
the kernel ring buffer under load by each CPU in the worst case
scenario.

We use num_possible_cpus() to avoid complexities which could be
introduced by dynamically changing the ring buffer size at run time,
num_possible_cpus() lets us use the upper limit on possible number of
CPUs therefore avoiding having to deal with hotplugging CPUs on and off.
This introduces the kernel configuration option LOG_CPU_MAX_BUF_SHIFT
which is used to specify the maximum amount of contributions to the
kernel ring buffer in the worst case before the kernel ring buffer flips
over, the size is specified as a power of 2.  The total amount of
contributions made by each CPU must be greater than half of the default
kernel ring buffer size (1 << LOG_BUF_SHIFT bytes) in order to trigger
an increase upon bootup.  The kernel ring buffer is increased to the
next power of two that would fit the required minimum kernel ring buffer
size plus the additional CPU contribution.  For example if LOG_BUF_SHIFT
is 18 (256 KB) you'd require at least 128 KB contributions by other CPUs
in order to trigger an increase of the kernel ring buffer.  With a
LOG_CPU_BUF_SHIFT of 12 (4 KB) you'd require at least anything over > 64
possible CPUs to trigger an increase.  If you had 128 possible CPUs the
amount of minimum required kernel ring buffer bumps to:

   ((1 << 18) + ((128 - 1) * (1 << 12))) / 1024 = 764 KB

Since we require the ring buffer to be a power of two the new required
size would be 1024 KB.

This CPU contributions are ignored when the "log_buf_len" kernel
parameter is used as it forces the exact size of the ring buffer to an
expected power of two value.

[pmladek@suse.cz: fix build]
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.cz>
Tested-by: Davidlohr Bueso <davidlohr@hp.com>
Tested-by: Petr Mladek <pmladek@suse.cz>
Reviewed-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Petr Mladek <pmladek@suse.cz>
Cc: Joe Perches <joe@perches.com>
Cc: Arun KS <arunks.linux@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Davidlohr Bueso <davidlohr@hp.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-06 18:01:23 -07:00
Chen Yucong
2c51856c9b mm: trace-vmscan-postprocess.pl: report the number of file/anon pages respectively 
Until now, the reporting from trace-vmscan-postprocess.pl is not very
useful because we cannot directly use this script for checking the
file/anon ratio of scanning.  This patch aims to report respectively the
number of file/anon pages which were scanned/reclaimed by kswapd or
direct-reclaim.  Sample output is usually something like the following.

Summary
Direct reclaims:                          8823
Direct reclaim pages scanned:             2438797
Direct reclaim file pages scanned:        1315200
Direct reclaim anon pages scanned:        1123597
Direct reclaim pages reclaimed:           446139
Direct reclaim file pages reclaimed:      378668
Direct reclaim anon pages reclaimed:      67471
Direct reclaim write file sync I/O:       0
Direct reclaim write anon sync I/O:       0
Direct reclaim write file async I/O:      0
Direct reclaim write anon async I/O:      4240
Wake kswapd requests:                     122310
Time stalled direct reclaim:              13.78 seconds

Kswapd wakeups:                           25817
Kswapd pages scanned:                     170779115
Kswapd file pages scanned:                162725123
Kswapd anon pages scanned:                8053992
Kswapd pages reclaimed:                   129065738
Kswapd file pages reclaimed:              128500930
Kswapd anon pages reclaimed:              564808
Kswapd reclaim write file sync I/O:       0
Kswapd reclaim write anon sync I/O:       0
Kswapd reclaim write file async I/O:      36
Kswapd reclaim write anon async I/O:      730730
Time kswapd awake:                        1015.50 seconds

Signed-off-by: Chen Yucong <slaoub@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-08-06 18:01:20 -07:00
Linus Torvalds
ae045e2455 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:
 "Highlights:

   1) Steady transitioning of the BPF instructure to a generic spot so
      all kernel subsystems can make use of it, from Alexei Starovoitov.

   2) SFC driver supports busy polling, from Alexandre Rames.

   3) Take advantage of hash table in UDP multicast delivery, from David
      Held.

   4) Lighten locking, in particular by getting rid of the LRU lists, in
      inet frag handling.  From Florian Westphal.

   5) Add support for various RFC6458 control messages in SCTP, from
      Geir Ola Vaagland.

   6) Allow to filter bridge forwarding database dumps by device, from
      Jamal Hadi Salim.

   7) virtio-net also now supports busy polling, from Jason Wang.

   8) Some low level optimization tweaks in pktgen from Jesper Dangaard
      Brouer.

   9) Add support for ipv6 address generation modes, so that userland
      can have some input into the process.  From Jiri Pirko.

  10) Consolidate common TCP connection request code in ipv4 and ipv6,
      from Octavian Purdila.

  11) New ARP packet logger in netfilter, from Pablo Neira Ayuso.

  12) Generic resizable RCU hash table, with intial users in netlink and
      nftables.  From Thomas Graf.

  13) Maintain a name assignment type so that userspace can see where a
      network device name came from (enumerated by kernel, assigned
      explicitly by userspace, etc.) From Tom Gundersen.

  14) Automatic flow label generation on transmit in ipv6, from Tom
      Herbert.

  15) New packet timestamping facilities from Willem de Bruijn, meant to
      assist in measuring latencies going into/out-of the packet
      scheduler, latency from TCP data transmission to ACK, etc"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits)
  cxgb4 : Disable recursive mailbox commands when enabling vi
  net: reduce USB network driver config options.
  tg3: Modify tg3_tso_bug() to handle multiple TX rings
  amd-xgbe: Perform phy connect/disconnect at dev open/stop
  amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask
  net: sun4i-emac: fix memory leak on bad packet
  sctp: fix possible seqlock seadlock in sctp_packet_transmit()
  Revert "net: phy: Set the driver when registering an MDIO bus device"
  cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine
  team: Simplify return path of team_newlink
  bridge: Update outdated comment on promiscuous mode
  net-timestamp: ACK timestamp for bytestreams
  net-timestamp: TCP timestamping
  net-timestamp: SCHED timestamp on entering packet scheduler
  net-timestamp: add key to disambiguate concurrent datagrams
  net-timestamp: move timestamp flags out of sk_flags
  net-timestamp: extend SCM_TIMESTAMPING ancillary data struct
  cxgb4i : Move stray CPL definitions to cxgb4 driver
  tcp: reduce spurious retransmits due to transient SACK reneging
  qlcnic: Initialize dcbnl_ops before register_netdev
  ...
 2014-08-06 09:38:14 -07:00
Linus Torvalds
bb2cbf5e93 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 
Pull security subsystem updates from James Morris:
 "In this release:

   - PKCS#7 parser for the key management subsystem from David Howells
   - appoint Kees Cook as seccomp maintainer
   - bugfixes and general maintenance across the subsystem"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (94 commits)
  X.509: Need to export x509_request_asymmetric_key()
  netlabel: shorter names for the NetLabel catmap funcs/structs
  netlabel: fix the catmap walking functions
  netlabel: fix the horribly broken catmap functions
  netlabel: fix a problem when setting bits below the previously lowest bit
  PKCS#7: X.509 certificate issuer and subject are mandatory fields in the ASN.1
  tpm: simplify code by using %*phN specifier
  tpm: Provide a generic means to override the chip returned timeouts
  tpm: missing tpm_chip_put in tpm_get_random()
  tpm: Properly clean sysfs entries in error path
  tpm: Add missing tpm_do_selftest to ST33 I2C driver
  PKCS#7: Use x509_request_asymmetric_key()
  Revert "selinux: fix the default socket labeling in sock_graft()"
  X.509: x509_request_asymmetric_keys() doesn't need string length arguments
  PKCS#7: fix sparse non static symbol warning
  KEYS: revert encrypted key change
  ima: add support for measuring and appraising firmware
  firmware_class: perform new LSM checks
  security: introduce kernel_fw_from_file hook
  PKCS#7: Missing inclusion of linux/err.h
  ...
 2014-08-06 08:06:39 -07:00
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
Linus Torvalds
08d69a2571 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq updates from Thomas Gleixner:
 "Nothing spectacular from the irq department this time:
   - overhaul of the crossbar chip driver
   - overhaul of the spear shirq chip driver
   - support for the atmel-aic chip
   - code move from arch to drivers
   - the usual tiny fixlets
   - two reverts worth to mention which undo the too simple attempt of
     supporting wakeup interrupts on shared interrupt lines"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
  Revert "irq: Warn when shared interrupts do not match on NO_SUSPEND"
  Revert "PM / sleep / irq: Do not suspend wakeup interrupts"
  irq: Warn when shared interrupts do not match on NO_SUSPEND
  irqchip: atmel-aic: Define irq fixups for atmel SoCs
  irqchip: atmel-aic: Implement RTC irq fixup
  irqchip: atmel-aic: Add irq fixup infrastructure
  irqchip: atmel-aic: Add atmel AIC/AIC5 drivers
  irqchip: atmel-aic: Move binding doc to interrupt-controller directory
  genirq: generic chip: Export irq_map_generic_chip function
  PM / sleep / irq: Do not suspend wakeup interrupts
  irqchip: or1k-pic: Migrate from arch/openrisc/
  irqchip: crossbar: Allow for quirky hardware with direct hardwiring of GIC
  documentation: dt: omap: crossbar: Add description for interrupt consumer
  irqchip: crossbar: Introduce centralized check for crossbar write
  irqchip: crossbar: Introduce ti, max-crossbar-sources to identify valid crossbar mapping
  irqchip: crossbar: Add kerneldoc for crossbar_domain_unmap callback
  irqchip: crossbar: Set cb pointer to null in case of error
  irqchip: crossbar: Change the goto naming
  irqchip: crossbar: Return proper error value
  irqchip: crossbar: Fix kerneldoc warning
  ...
 2014-08-05 17:38:45 -07:00
Linus Torvalds
f4d33337ea Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 
Pull media updates from Mauro Carvalho Chehab:
 - removal of sn9c102.  This device driver was replaced a long time ago
   by gspca
 - solo6x10 and go7007 webcam drivers moved from staging into
   mainstream.  They were waiting for an API to allow setting the image
   detection matrix
 - SDR drivers moved from staging into mainstream: sdr-msi3101 (renamed
   as msi2500) and rtl2832
 - added SDR driver for airspy
 - added demux driver: si2165
 - rework at several RC subsystem, making the code for RC-5 SZ variant
   to be added at the standard RC5 decoder
 - added decoder for the XMP IR protocol
 - tuner driver moved from staging into mainstream: msi3101 (renamed as
   msi001)
 - added documentation for some additional SDR pixfmt
 - some device tree bindings documented
 - added support for exynos3250 at s5p-jpeg
 - remove the obsolete, unmaintained and broken mx1_camera driver
 - added support for remote controllers at au0828 driver
 - added a RC driver: sunxi-cir
 - several driver fixes, enhancements and cleanups.

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (455 commits)
  [media] cx23885: fix UNSET/TUNER_ABSENT confusion
  [media] coda: fix build error by making reset control optional
  [media] radio-miropcm20: fix sparse NULL pointer warning
  [media] MAINTAINERS: Update go7007 pattern
  [media] MAINTAINERS: Update solo6x10 patterns
  [media] media: atmel-isi: add primary DT support
  [media] media: atmel-isi: convert the pdata from pointer to structure
  [media] media: atmel-isi: add v4l2 async probe support
  [media] rcar_vin: add devicetree support
  [media] media: pxa_camera device-tree support
  [media] media: mt9m111: add device-tree suppport
  [media] soc_camera: add support for dt binding soc_camera drivers
  [media] media: soc_camera: pxa_camera documentation device-tree support
  [media] media: mt9m111: add device-tree documentation
  [media] s5p-mfc: remove unnecessary calling to function video_devdata()
  [media] s5p-jpeg: add chroma subsampling adjustment for Exynos3250
  [media] s5p-jpeg: Prevent erroneous downscaling for Exynos3250 SoC
  [media] s5p-jpeg: Assure proper crop rectangle initialization
  [media] s5p-jpeg: fix g_selection op
  [media] s5p-jpeg: Adjust jpeg_bound_align_image to Exynos3250 needs
  ...
 2014-08-05 16:36:30 -07:00
Linus Torvalds
91c2ff7708 regulator: Updates for v3.17 
A couple of nice new features this month, the ability to map regulators
 in order to allow voltage control by external coprocessors is something
 people have been asking for for a long time.
 
  - Improved support for switch only "regulators", allowing current state
    to be read from the parent regulator but no setting.
  - Support for obtaining the register access method used to set
    voltages, for use in systems which can offload control of this to a
    coprocessor (typically for DVFS).
  - Support for Active-Semi AC8846, Dialog DA9211 and Texas Instruments
    TPS65917.
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Merge tag 'regulator-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A couple of nice new features this month, the ability to map
  regulators in order to allow voltage control by external coprocessors
  is something people have been asking for for a long time.

   - improved support for switch only "regulators", allowing current
     state to be read from the parent regulator but no setting.

   - support for obtaining the register access method used to set
     voltages, for use in systems which can offload control of this to a
     coprocessor (typically for DVFS).

   - support for Active-Semi AC8846, Dialog DA9211 and Texas Instruments
     TPS65917"

* tag 'regulator-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (58 commits)
  regulator: act8865: fix build when OF is not enabled
  regulator: act8865: add act8846 to DT binding documentation
  regulator: act8865: add support for act8846
  regulator: act8865: prepare support for other act88xx devices
  regulator: act8865: set correct number of regulators in pdata
  regulator: act8865: Remove error variable in act8865_pmic_probe
  regulator: act8865: fix parsing of platform data
  regulator: tps65090: Set voltage for fixed regulators
  regulator: core: Allow to get voltage count and list from parent
  regulator: core: Get voltage from parent if not available
  regulator: Add missing statics and inlines for stub functions
  regulator: lp872x: Don't set constraints within the regulator driver
  regmap: Fix return code for stub regmap_get_device()
  regulator: s2mps11: Update module description and Kconfig to add S2MPU02 support
  regulator: Add helpers for low-level register access
  regmap: Allow regmap_get_device() to be used by modules
  regmap: Add regmap_get_device
  regulator: da9211: Remove unnecessary devm_regulator_unregister() calls
  regulator: Add DT bindings for tps65218 PMIC regulators.
  regulator: da9211: new regulator driver
  ...
 2014-08-05 16:19:15 -07:00
Linus Torvalds
1325b6550a spi: Updates for v3.17 
A quiet release, more bug fixes than anything else.  A few things do
 stand out though:
 
  - Updates to several drivers to move towards the standard GPIO chip
    select handling in the core.
  - DMA support for the SH MSIOF driver.
  - Support for Rockchip SPI controllers (their first mainline
    submission).
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Merge tag 'spi-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A quiet release, more bug fixes than anything else.  A few things do
  stand out though:

   - updates to several drivers to move towards the standard GPIO chip
     select handling in the core.
   - DMA support for the SH MSIOF driver.
   - support for Rockchip SPI controllers (their first mainline
     submission)"

* tag 'spi-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (64 commits)
  spi: davinci: use spi_device.cs_gpio to store gpio cs per spi device
  spi: davinci: add support to configure gpio cs through dt
  spi/pl022: Explicitly truncate large bitmask
  spi/atmel: Fix pointer to int conversion warnings on 64 bit builds
  spi: davinci: fix to support more than 2 chip selects
  spi: topcliff-pch: don't hardcode PCI slot to get DMA device
  spi: orion: fix incorrect handling of cell-index DT property
  spi: orion: Fix error return code in orion_spi_probe()
  spi/rockchip: fix error return code in rockchip_spi_probe()
  spi/rockchip: remove redundant dev_err call in rockchip_spi_probe()
  spi/rockchip: remove duplicated include from spi-rockchip.c
  ARM: dts: fix the chip select gpios definition in the SPI nodes
  spi: s3c64xx: Update binding documentation
  spi: s3c64xx: use the generic SPI "cs-gpios" property
  spi: s3c64xx: Revert "spi: s3c64xx: Added provision for dedicated cs pin"
  spi: atmel: Use dmaengine_prep_slave_sg() API
  spi: topcliff-pch: Update error messages for dmaengine_prep_slave_sg() API
  spi: sh-msiof: Use correct device for DMA mapping with IOMMU
  spi: sh-msiof: Handle dmaengine_prep_slave_single() failures gracefully
  spi: rspi: Handle dmaengine_prep_slave_sg() failures gracefully
  ...
 2014-08-05 16:18:13 -07:00
Linus Torvalds
dc7aafba6b IOMMU Updates for Linux v3.17 
This time with:
 
 	* Support for the generic PCI device alias code in x86 IOMMU
 	  drivers
 
 	* A new sysfs interface for IOMMUs
 
 	* Preparations for hotplug support in the Intel IOMMU driver
 
 	* Change the AMD IOMMUv2 driver to not hold references to core
 	  data structures like mm_struct or task_struct. Rely on
 	  mmu_notifers instead.
 
 	* Removal of the OMAP IOVMM interface, all users of it are
 	  converted to DMA-API now
 
 	* Make the struct iommu_ops const everywhere
 
 	* Initial PCI support for the ARM SMMU driver
 
 	* There is now a generic device tree binding documented for
 	  ARM IOMMUs
 
 	* Various fixes and cleanups all over the place
 
 Also included are some changes to the OMAP code, which are acked by the
 maintainer.
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Merge tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:
 "This time with:

   - support for the generic PCI device alias code in x86 IOMMU drivers

   - a new sysfs interface for IOMMUs

   - preparations for hotplug support in the Intel IOMMU driver

   - change the AMD IOMMUv2 driver to not hold references to core data
     structures like mm_struct or task_struct.  Rely on mmu_notifers
     instead.

   - removal of the OMAP IOVMM interface, all users of it are converted
     to DMA-API now

   - make the struct iommu_ops const everywhere

   - initial PCI support for the ARM SMMU driver

   - there is now a generic device tree binding documented for ARM
     IOMMUs

   - various fixes and cleanups all over the place

  Also included are some changes to the OMAP code, which are acked by
  the maintainer"

* tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (67 commits)
  devicetree: Add generic IOMMU device tree bindings
  iommu/vt-d: Fix race setting IRQ CPU affinity while freeing IRQ
  iommu/amd: Fix 2 typos in comments
  iommu/amd: Fix device_state reference counting
  iommu/amd: Remove change_pte mmu_notifier call-back
  iommu/amd: Don't set pasid_state->mm to NULL in unbind_pasid
  iommu/exynos: Select ARM_DMA_USE_IOMMU
  iommu/vt-d: Exclude devices using RMRRs from IOMMU API domains
  iommu/omap: Remove platform data da_start and da_end fields
  ARM: omap: Don't set iommu pdata da_start and da_end fields
  iommu/omap: Remove virtual memory manager
  iommu/vt-d: Fix issue in computing domain's iommu_snooping flag
  iommu/vt-d: Introduce helper function iova_size() to improve code readability
  iommu/vt-d: Introduce helper domain_pfn_within_range() to simplify code
  iommu/vt-d: Simplify intel_unmap_sg() and kill duplicated code
  iommu/vt-d: Change iommu_enable/disable_translation to return void
  iommu/vt-d: Simplify include/linux/dmar.h
  iommu/vt-d: Avoid freeing virtual machine domain in free_dmar_iommu()
  iommu/vt-d: Fix possible invalid memory access caused by free_dmar_iommu()
  iommu/vt-d: Allocate dynamic domain id for virtual domains only
  ...
 2014-08-05 15:59:35 -07:00
Linus Torvalds
161d2e0a19 Notable changes: 
Heiko Schocher provided a driver for TI TMP103.
 Kamil Debski provided a driver for pwm-controlled fans.
 Neelesh Gupta provided a driver for power, fan rpm, voltage and temperature
 	reporting on powerpc/powernv systems.
 Scott Kanowitz provided a driver supporting Lattice's POWR1220 power manager IC.
 Richard Zhu provided a pmbus front-end driver for TPS40422.
 Frans Klaver added support for TMP112 to the lm75 driver.
 Johannes Pointner added support for EPCOS B57330V2103 to the ntc_thermistor
 	driver.
 Guenter Roeck added support for TMP441 and TMP442 to the tmp421 driver.
 Axel Lin converted several drivers to the new hwmon API (36 of them, if I
 	counted correctly), and cleaned up many of the drivers along the way.
 
 There are also a number of patches fixing bugs discovered while testing
 Axel's changes.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "Notable changes:

   - Heiko Schocher provided a driver for TI TMP103.
   - Kamil Debski provided a driver for pwm-controlled fans.
   - Neelesh Gupta provided a driver for power, fan rpm, voltage and
     temperature reporting on powerpc/powernv systems.
   - Scott Kanowitz provided a driver supporting Lattice's POWR1220
     power manager IC.
   - Richard Zhu provided a pmbus front-end driver for TPS40422.
   - Frans Klaver added support for TMP112 to the lm75 driver.
   - Johannes Pointner added support for EPCOS B57330V2103 to the
     ntc_thermistor driver.
   - Guenter Roeck added support for TMP441 and TMP442 to the tmp421
     driver.
   - Axel Lin converted several drivers to the new hwmon API (36 of
     them, if I counted correctly), and cleaned up many of the drivers
     along the way.

  There are also a number of patches fixing bugs discovered while
  testing Axel's changes"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (88 commits)
  hwmon: (g762) Use of_property_read_u32 at appropriate place
  hwmon: (sis5595) Prevent overflow problem when writing large limits
  hwmon: (gpio-fan) Prevent overflow problem when writing large limits
  hwmon: (ibmpowernv) Use of_property_read_u32 at appropriate place
  hwmon: (lm85) Convert to devm_hwmon_device_register_with_groups
  hwmon: (lm85) Avoid forward declaration
  hwmon: (lm78) Convert to devm_hwmon_device_register_with_groups
  hwmon: (max6697) Use of_property_read_bool at appropriate places
  hwmon: (pwm-fan) Make SENSORS_PWM_FAN depend on OF
  hwmon: (pwm-fan) Remove duplicate dev_set_drvdata call
  hwmon: (nct6775) Remove num_attr_groups from struct nct6775_data
  hwmon: (nct6775) Update module description and Kconfig for NCT6106D and NCT6791D
  hwmon: (adt7411) Convert to devm_hwmon_device_register_with_groups
  hwmon: (g762) Convert to hwmon_device_register_with_groups
  hwmon: (emc2103) Convert to devm_hwmon_device_register_with_groups
  hwmon: (smsc47m1) Avoid forward declaration
  hwmon: (smsc47m192) Convert to devm_hwmon_device_register_with_groups
  hwmon: (smsc47m192) Avoid forward declaration
  hwmon: (max1668) Make max1668_addr_list array const
  hwmon: (max6639) Make normal_i2c array const
  ...
 2014-08-05 15:55:36 -07:00
Sangjung Woo
5be876cf7e Documentation: fix two typos in watchdog-api.txt 
This patch changes 'go of' to 'go off' and 'pretimout' to
'pretimeout'.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2014-08-05 22:43:21 +02:00
Xiubo Li
f728f4bfc4 watchdog: imx2_wdt: adds big endianness support. 
This watchdog driver will be working on IMX2+, Vybrid, LS1, LS2+
platforms, and will be in different endianness mode in those SoCs:

    SoCs       WDT endian mode
------------------------------------
    IMX2+           LE
    Vybird          LE
    LS1             BE
    LS2             LE

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2014-08-05 22:43:11 +02:00
David S. Miller
aef4f5b6db Merge tag 'master-2014-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 
Conflicts:
	net/6lowpan/iphc.c

Minor conflicts in iphc.c were changes overlapping with some
style cleanups.

John W. Linville says:

====================
Please pull this last(?) batch of wireless change intended for the
3.17 stream...

For the NFC bits, Samuel says:

"This is a rather quiet one, we have:

- A new driver from ST Microelectronics for their NCI ST21NFCB,
  including device tree  support.

- p2p support for the ST21NFCA driver

- A few fixes an enhancements for the NFC digital laye"

For the Atheros bits, Kalle says:

"Michal and Janusz did some important RX aggregation fixes, basically we
were missing RX reordering altogether. The 10.1 firmware doesn't support
Ad-Hoc mode and Michal fixed ath10k so that it doesn't advertise Ad-Hoc
support with that firmware. Also he implemented a workaround for a KVM
issue."

For the Bluetooth bits, Gustavo and Johan say:

"To quote Gustavo from his previous request:

'Some last minute fixes for -next. We have a fix for a use after free in
RFCOMM, another fix to an issue with ADV_DIRECT_IND and one for ADV_IND with
auto-connection handling.  Last, we added support for reading the codec and
MWS setting for controllers that support these features.'

Additionally there are fixes to LE scanning, an update to conform to the 4.1
core specification as well as fixes for tracking the page scan state. All
of these fixes are important for 3.17."

And,

"We've got:

- 6lowpan fixes/cleanups
- A couple crash fixes, one for the Marvell HCI driver and another in LE SMP.
- Fix for an incorrect connected state check
- Fix for the bondable requirement during pairing (an issue which had
  crept in because of using "pairable" when in fact the actual meaning
  was "bondable" (these have different meanings in Bluetooth)"

Along with those are some late-breaking hardware support patches in
brcmfmac and b43 as well as a stray ath9k patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-08-05 13:18:20 -07:00
Mark Brown
ed4bf4f5e3 Merge remote-tracking branches 'regulator/topic/tps65217', 'regulator/topic/tps65218', 'regulator/topic/tps6586x' and 'regulator/topic/twl' into regulator-next 2014-08-05 18:29:30 +01:00
Mark Brown
d5b5d9d43b Merge remote-tracking branches 'regulator/topic/lp8755', 'regulator/topic/ltc3589', 'regulator/topic/max8952', 'regulator/topic/mc13xxx' and 'regulator/topic/palmas' into regulator-next 2014-08-05 18:29:24 +01:00
Mark Brown
a627506a01 Merge remote-tracking branches 'regulator/topic/da9211', 'regulator/topic/getreg', 'regulator/topic/gpio' and 'regulator/topic/lp872x' into regulator-next 2014-08-05 18:29:21 +01:00
Mark Brown
862f9f840d Merge remote-tracking branches 'regulator/topic/88pm800', 'regulator/topic/ab8500', 'regulator/topic/act8865', 'regulator/topic/as3722' and 'regulator/topic/bcm590xx' into regulator-next 2014-08-05 18:29:18 +01:00
Beniamino Galvani
0b8eebc02a regulator: act8865: add act8846 to DT binding documentation 
This patch adds a new "active-semi,act8846" compatible string and a
list of supported regulator names to the devicetree binding
documentation for Active-Semi PMUs.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-08-05 18:02:53 +01:00
Gavin Shan
1b69be5e8a drivers/vfio: EEH support for VFIO PCI device 
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
through from host to somebody else via VFIO.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 2014-08-05 15:28:48 +10:00
Linus Torvalds
b54ecfb702 Merge tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs 
Pull f2fs updates from Jaegeuk Kim:
 "This series includes patches to:
   - add nobarrier mount option
   - support tmpfile and rename2
   - enhance the fdatasync behavior
   - fix the error path
   - fix the recovery routine
   - refactor a part of the checkpoint procedure
   - reduce some lock contentions"

* tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
  f2fs: use for_each_set_bit to simplify the code
  f2fs: add f2fs_balance_fs for expand_inode_data
  f2fs: invalidate xattr node page when evict inode
  f2fs: avoid skipping recover_inline_xattr after recover_inline_data
  f2fs: add tracepoint for f2fs_direct_IO
  f2fs: reduce competition among node page writes
  f2fs: fix coding style
  f2fs: remove redundant lines in allocate_data_block
  f2fs: add tracepoint for f2fs_issue_flush
  f2fs: avoid retrying wrong recovery routine when error was occurred
  f2fs: test before set/clear bits
  f2fs: fix wrong condition for unlikely
  f2fs: enable in-place-update for fdatasync
  f2fs: skip unnecessary data writes during fsync
  f2fs: add info of appended or updated data writes
  f2fs: use radix_tree for ino management
  f2fs: add infra for ino management
  f2fs: punch the core function for inode management
  f2fs: add nobarrier mount option
  f2fs: fix to put root inode in error path of fill_super
  ...
 2014-08-04 20:30:07 -07:00
Linus Torvalds
ae9b475ebe USB patches for 3.17-rc1 
Here is the big USB driver update for 3.17-rc1.
 
 Loads of gadget driver changes in here, including some big file
 movements to make things easier to manage over time.  There's also the
 usual xhci and uas driver updates, and a handful of other changes in
 here.  The changelog has the full details.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB driver update for 3.17-rc1.

  Loads of gadget driver changes in here, including some big file
  movements to make things easier to manage over time.  There's also the
  usual xhci and uas driver updates, and a handful of other changes in
  here.  The changelog has the full details.

  All of these have been in linux-next for a while"

* tag 'usb-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (211 commits)
  USB: devio: fix issue with log flooding
  uas: Log a warning when we cannot use uas because the hcd lacks streams
  uas: Only complain about missing sg if all other checks succeed
  xhci: Add missing checks for xhci_alloc_command failure
  xhci: Rename Asrock P67 pci product-id to EJ168
  xhci: Blacklist using streams on the Etron EJ168 controller
  uas: Limit qdepth to 32 when connected over usb-2
  uwb/whci: use correct structure type name in sizeof
  usb-core bInterval quirk
  USB: serial: ftdi_sio: Add support for new Xsens devices
  USB: serial: ftdi_sio: Annotate the current Xsens PID assignments
  usb: chipidea: debug: fix sparse non static symbol warnings
  usb: ci_hdrc_imx doc: fsl,usbphy is required
  usb: ci_hdrc_imx: Return -EINVAL for missing USB PHY
  usb: core: allow zero packet flag for interrupt urbs
  usb: lvstest: Fix sparse warnings generated by kbuild test bot
  USB: core: hcd-pci: free IRQ before disabling PCI device when shutting down
  phy: miphy365x: Represent each PHY channel as a DT subnode
  phy: miphy365x: Provide support for the MiPHY356x Generic PHY
  phy: miphy365x: Add Device Tree bindings for the MiPHY365x
  ...
 2014-08-04 20:11:28 -07:00
Linus Torvalds
79eb238c76 TTY / Serial driver update for 3.17-rc1 
Here's the big tty / serial driver update for 3.17-rc1.
 
 Nothing major, just a number of fixes and new features for different
 serial drivers, and some more tty core fixes and documentation of the
 tty locks.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver update from Greg KH:
 "Here's the big tty / serial driver update for 3.17-rc1.

  Nothing major, just a number of fixes and new features for different
  serial drivers, and some more tty core fixes and documentation of the
  tty locks.

  All of these have been in linux-next for a while"

* tag 'tty-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (82 commits)
  tty/n_gsm.c: fix a memory leak in gsmld_open
  pch_uart: don't hardcode PCI slot to get DMA device
  tty: n_gsm, use setup_timer
  Revert "ARC: [arcfpga] stdout-path now suffices for earlycon/console"
  serial: sc16is7xx: Correct initialization of s->clk
  serial: 8250_dw: Add support for deferred probing
  serial: 8250_dw: Add optional reset control support
  serial: st-asc: Fix overflow in baudrate calculation
  serial: st-asc: Don't call BUG in asc_console_setup()
  tty: serial: msm: Make of_device_id array const
  tty/n_gsm.c: get gsm->num after gsm_activate_mux
  serial/core: Fix too big allocation for attribute member
  drivers/tty/serial: use correct type for dma_map/unmap
  serial: altera_jtaguart: Fix putchar function passed to uart_console_write()
  serial/uart/8250: Add tunable RX interrupt trigger I/F of FIFO buffers
  Serial: allow port drivers to have a default attribute group
  tty: kgdb_nmi: Automatically manage tty enable
  serial: altera_jtaguart: Adpot uart_console_write()
  serial: samsung: improve code clarity by defining a variable
  serial: samsung: correct the case and default order in switch
  ...
 2014-08-04 18:51:19 -07:00
Linus Torvalds
53ee983378 Staging driver patches for 3.17-rc1 
Here's the big pull request for the staging driver tree for 3.17-rc1.
 
 Lots of things in here, over 2000 patches, but the best part is this:
  1480 files changed, 39070 insertions(+), 254659 deletions(-)
 
 Thanks to the great work of Kristina Martšenko, 14 different staging
 drivers have been removed from the tree as they were obsolete and no one
 was willing to work on cleaning them up.  Other than the driver
 removals, loads of cleanups are in here (comedi, lustre, etc.) as well
 as the usual IIO driver updates and additions.
 
 All of this has been in the linux-next tree for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here's the big pull request for the staging driver tree for 3.17-rc1.

  Lots of things in here, over 2000 patches, but the best part is this:
   1480 files changed, 39070 insertions(+), 254659 deletions(-)

  Thanks to the great work of Kristina Martšenko, 14 different staging
  drivers have been removed from the tree as they were obsolete and no
  one was willing to work on cleaning them up.  Other than the driver
  removals, loads of cleanups are in here (comedi, lustre, etc.) as well
  as the usual IIO driver updates and additions.

  All of this has been in the linux-next tree for a while"

* tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2199 commits)
  staging: comedi: addi_apci_1564: remove diagnostic interrupt support code
  staging: comedi: addi_apci_1564: add subdevice to check diagnostic status
  staging: wlan-ng: coding style problem fix
  staging: wlan-ng: fixing coding style problems
  staging: comedi: ii_pci20kc: request and ioremap memory
  staging: lustre: bitwise vs logical typo
  staging: dgnc: Remove unneeded dgnc_trace.c and dgnc_trace.h
  staging: dgnc: rephrase comment
  staging: comedi: ni_tio: remove some dead code
  staging: rtl8723au: Fix static symbol sparse warning
  staging: rtl8723au: usb_dvobj_init(): Remove unused variable 'pdev_desc'
  staging: rtl8723au: Do not duplicate kernel provided USB macros
  staging: rtl8723au: Remove never set struct pwrctrl_priv.bHWPowerdown
  staging: rtl8723au: Remove two never set variables
  staging: rtl8723au: RSSI_test is never set
  staging:r8190: coding style: Fixed checkpatch reported Error
  staging:r8180: coding style: Fixed too long lines
  staging:r8180: coding style: Fixed commenting style
  staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer
  staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer
  ...
 2014-08-04 18:36:12 -07:00
Linus Torvalds
29b88e23a9 Driver core patches for 3.17-rc1 
Here's the big driver-core pull request for 3.17-rc1.
 
 Largest thing in here is the dma-buf rework and fence code, that touched
 many different subsystems so it was agreed it should go through this
 tree to handle merge issues.  There's also some firmware loading
 updates, as well as tests added, and a few other tiny changes, the
 changelog has the details.
 
 All have been in linux-next for a long time.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here's the big driver-core pull request for 3.17-rc1.

  Largest thing in here is the dma-buf rework and fence code, that
  touched many different subsystems so it was agreed it should go
  through this tree to handle merge issues.  There's also some firmware
  loading updates, as well as tests added, and a few other tiny changes,
  the changelog has the details.

  All have been in linux-next for a long time"

* tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits)
  ARM: imx: Remove references to platform_bus in mxc code
  firmware loader: Fix _request_firmware_load() return val for fw load abort
  platform: Remove most references to platform_bus device
  test: add firmware_class loader test
  doc: fix minor typos in firmware_class README
  staging: android: Cleanup style issues
  Documentation: devres: Sort managed interfaces
  Documentation: devres: Add devm_kmalloc() et al
  fs: debugfs: remove trailing whitespace
  kernfs: kernel-doc warning fix
  debugfs: Fix corrupted loop in debugfs_remove_recursive
  stable_kernel_rules: Add pointer to netdev-FAQ for network patches
  driver core: platform: add device binding path 'driver_override'
  driver core/platform: remove unused implicit padding in platform_object
  firmware loader: inform direct failure when udev loader is disabled
  firmware: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
  firmware: read firmware size using i_size_read()
  firmware loader: allow disabling of udev as firmware loader
  reservation: add suppport for read-only access using rcu
  reservation: update api and add some helpers
  ...

Conflicts:
	drivers/base/platform.c
 2014-08-04 18:34:04 -07:00
Linus Torvalds
2521129a6d Char / Misc driver patches for 3.17-rc1 
Here's the big driver misc / char pull request for 3.17-rc1.
 
 Lots of things in here, the thunderbolt support for Apple laptops, some
 other new drivers, testing fixes, and other good things.  All have been
 in linux-next for a long time.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver patches from Greg KH:
 "Here's the big driver misc / char pull request for 3.17-rc1.

  Lots of things in here, the thunderbolt support for Apple laptops,
  some other new drivers, testing fixes, and other good things.  All
  have been in linux-next for a long time"

* tag 'char-misc-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (119 commits)
  misc: bh1780: Introduce the use of devm_kzalloc
  Lattice ECP3 FPGA: Correct endianness
  drivers/misc/ti-st: Load firmware from ti-connectivity directory.
  dt-bindings: extcon: Add support for SM5502 MUIC device
  extcon: sm5502: Change internal hardware switch according to cable type
  extcon: sm5502: Detect cable state after completing platform booting
  extcon: sm5502: Add support new SM5502 extcon device driver
  extcon: arizona: Get MICVDD against extcon device
  extcon: Remove unnecessary OOM messages
  misc: vexpress: Fix sparse non static symbol warnings
  mei: drop unused hw dependent fw status functions
  misc: bh1770glc: Use managed functions
  pcmcia: remove DEFINE_PCI_DEVICE_TABLE usage
  misc: remove DEFINE_PCI_DEVICE_TABLE usage
  ipack: Replace DEFINE_PCI_DEVICE_TABLE macro use
  drivers/char/dsp56k.c: drop check for negativity of unsigned parameter
  mei: fix return value on disconnect timeout
  mei: don't schedule suspend in pm idle
  mei: start disconnect request timer consistently
  mei: reset client connection state on timeout
  ...
 2014-08-04 17:32:24 -07:00
Linus Torvalds
8556d44fee 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:
 "The main changes in this cycle are:

   - Intel SOC driver updates, by Aubrey Li.

   - TS5500 platform updates, by Vivien Didelot"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/pmc_atom: Silence shift wrapping warnings in pmc_sleep_tmr_show()
  x86/pmc_atom: Expose PMC device state and platform sleep state
  x86/pmc_atom: Eisable a few S0ix wake up events for S0ix residency
  x86/platform: New Intel Atom SOC power management controller driver
  x86/platform/ts5500: Add support for TS-5400 boards
  x86/platform/ts5500: Add a 'name' sysfs attribute
  x86/platform/ts5500: Use the DEVICE_ATTR_RO() macro
 2014-08-04 17:20:08 -07:00
Linus Torvalds
ce47479632 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:
 "The main change in this cycle is the rework of the TLB range flushing
  code, to simplify, fix and consolidate the code.  By Dave Hansen"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Set TLB flush tunable to sane value (33)
  x86/mm: New tunable for single vs full TLB flush
  x86/mm: Add tracepoints for TLB flushes
  x86/mm: Unify remote INVLPG code
  x86/mm: Fix missed global TLB flush stat
  x86/mm: Rip out complicated, out-of-date, buggy TLB flushing
  x86/mm: Clean up the TLB flushing code
  x86/smep: Be more informative when signalling an SMEP fault
 2014-08-04 17:15:45 -07:00
Linus Torvalds
98959948a7 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler updates from Ingo Molnar:

 - Move the nohz kick code out of the scheduler tick to a dedicated IPI,
   from Frederic Weisbecker.

  This necessiated quite some background infrastructure rework,
  including:

   * Clean up some irq-work internals
   * Implement remote irq-work
   * Implement nohz kick on top of remote irq-work
   * Move full dynticks timer enqueue notification to new kick
   * Move multi-task notification to new kick
   * Remove unecessary barriers on multi-task notification

 - Remove proliferation of wait_on_bit() action functions and allow
   wait_on_bit_action() functions to support a timeout.  (Neil Brown)

 - Another round of sched/numa improvements, cleanups and fixes.  (Rik
   van Riel)

 - Implement fast idling of CPUs when the system is partially loaded,
   for better scalability.  (Tim Chen)

 - Restructure and fix the CPU hotplug handling code that may leave
   cfs_rq and rt_rq's throttled when tasks are migrated away from a dead
   cpu.  (Kirill Tkhai)

 - Robustify the sched topology setup code.  (Peterz Zijlstra)

 - Improve sched_feat() handling wrt.  static_keys (Jason Baron)

 - Misc fixes.

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
  sched/fair: Fix 'make xmldocs' warning caused by missing description
  sched: Use macro for magic number of -1 for setparam
  sched: Robustify topology setup
  sched: Fix sched_setparam() policy == -1 logic
  sched: Allow wait_on_bit_action() functions to support a timeout
  sched: Remove proliferation of wait_on_bit() action functions
  sched/numa: Revert "Use effective_load() to balance NUMA loads"
  sched: Fix static_key race with sched_feat()
  sched: Remove extra static_key*() function indirection
  sched/rt: Fix replenish_dl_entity() comments to match the current upstream code
  sched: Transform resched_task() into resched_curr()
  sched/deadline: Kill task_struct->pi_top_task
  sched: Rework check_for_tasks()
  sched/rt: Enqueue just unthrottled rt_rq back on the stack in __disable_runtime()
  sched/fair: Disable runtime_enabled on dying rq
  sched/numa: Change scan period code to match intent
  sched/numa: Rework best node setting in task_numa_migrate()
  sched/numa: Examine a task move when examining a task swap
  sched/numa: Simplify task_numa_compare()
  sched/numa: Use effective_load() to balance NUMA loads
  ...
 2014-08-04 16:23:30 -07:00
Linus Torvalds
5bda4f638f Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull RCU changes from Ingo Molar:
 "The main changes:

   - torture-test updates
   - callback-offloading changes
   - maintainership changes
   - update RCU documentation
   - miscellaneous fixes"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
  rcu: Allow for NULL tick_nohz_full_mask when nohz_full= missing
  rcu: Fix a sparse warning in rcu_report_unblock_qs_rnp()
  rcu: Fix a sparse warning in rcu_initiate_boost()
  rcu: Fix __rcu_reclaim() to use true/false for bool
  rcu: Remove CONFIG_PROVE_RCU_DELAY
  rcu: Use __this_cpu_read() instead of per_cpu_ptr()
  rcu: Don't use NMIs to dump other CPUs' stacks
  rcu: Bind grace-period kthreads to non-NO_HZ_FULL CPUs
  rcu: Simplify priority boosting by putting rt_mutex in rcu_node
  rcu: Check both root and current rcu_node when setting up future grace period
  rcu: Allow post-unlock reference for rt_mutex
  rcu: Loosen __call_rcu()'s rcu_head alignment constraint
  rcu: Eliminate read-modify-write ACCESS_ONCE() calls
  rcu: Remove redundant ACCESS_ONCE() from tick_do_timer_cpu
  rcu: Make rcu node arrays static const char * const
  signal: Explain local_irq_save() call
  rcu: Handle obsolete references to TINY_PREEMPT_RCU
  rcu: Document deadlock-avoidance information for rcu_read_unlock()
  scripts: Teach get_maintainer.pl about the new "R:" tag
  rcu: Update rcu torture maintainership filename patterns
  ...
 2014-08-04 15:55:08 -07:00
Linus Torvalds
5167d09ffa arm64 updates for 3.17 
Changes include:
  - Context tracking support (NO_HZ_FULL) which narrowly missed 3.16
  - vDSO layout rework following Andy's work on x86
  - TEXT_OFFSET fuzzing for bootloader testing
  - /proc/cpuinfo tidy-up
  - Preliminary work to support 48-bit virtual addresses, but this is
    currently disabled until KVM has been ported to use it (the patches
    do, however, bring some nice clean-up)
  - Boot-time CPU sanity checks (especially useful on heterogenous
    systems)
  - Support for syscall auditing
  - Support for CC_STACKPROTECTOR
  - defconfig updates
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "Once again, Catalin's off on holiday and I'm looking after the arm64
  tree.  Please can you pull the following arm64 updates for 3.17?

  Note that this branch also includes the new GICv3 driver (merged via a
  stable tag from Jason's irqchip tree), since there is a fix for older
  binutils on top.

  Changes include:
   - context tracking support (NO_HZ_FULL) which narrowly missed 3.16
   - vDSO layout rework following Andy's work on x86
   - TEXT_OFFSET fuzzing for bootloader testing
   - /proc/cpuinfo tidy-up
   - preliminary work to support 48-bit virtual addresses, but this is
     currently disabled until KVM has been ported to use it (the patches
     do, however, bring some nice clean-up)
   - boot-time CPU sanity checks (especially useful on heterogenous
     systems)
   - support for syscall auditing
   - support for CC_STACKPROTECTOR
   - defconfig updates"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (55 commits)
  arm64: add newline to I-cache policy string
  Revert "arm64: dmi: Add SMBIOS/DMI support"
  arm64: fpsimd: fix a typo in fpsimd_save_partial_state ENDPROC
  arm64: don't call break hooks for BRK exceptions from EL0
  arm64: defconfig: enable devtmpfs mount option
  arm64: vdso: fix build error when switching from LE to BE
  arm64: defconfig: add virtio support for running as a kvm guest
  arm64: gicv3: Allow GICv3 compilation with older binutils
  arm64: fix soft lockup due to large tlb flush range
  arm64/crypto: fix makefile rule for aes-glue-%.o
  arm64: Do not invoke audit_syscall_* functions if !CONFIG_AUDIT_SYSCALL
  arm64: Fix barriers used for page table modifications
  arm64: Add support for 48-bit VA space with 64KB page configuration
  arm64: asm/pgtable.h pmd/pud definitions clean-up
  arm64: Determine the vmalloc/vmemmap space at build time based on VA_BITS
  arm64: Clean up the initial page table creation in head.S
  arm64: Remove asm/pgtable-*level-types.h files
  arm64: Remove asm/pgtable-*level-hwdef.h files
  arm64: Convert bool ARM64_x_LEVELS to int ARM64_PGTABLE_LEVELS
  arm64: mm: Implement 4 levels of translation tables
  ...
 2014-08-04 12:31:53 -07:00
Linus Torvalds
8533ce7271 These are the x86, MIPS and s390 changes; PPC and ARM will come in a 
few days.
 
 MIPS and s390 have little going on this release; just bugfixes, some
 small, some larger.
 
 The highlights for x86 are nested VMX improvements (Jan Kiszka), optimizations
 for old processor (up to Nehalem, by me and Bandan Das), and a lot of x86
 emulator bugfixes (Nadav Amit).
 
 Stephen Rothwell reported a trivial conflict with the tracing branch.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM changes from Paolo Bonzini:
 "These are the x86, MIPS and s390 changes; PPC and ARM will come in a
  few days.

  MIPS and s390 have little going on this release; just bugfixes, some
  small, some larger.

  The highlights for x86 are nested VMX improvements (Jan Kiszka),
  optimizations for old processor (up to Nehalem, by me and Bandan Das),
  and a lot of x86 emulator bugfixes (Nadav Amit).

  Stephen Rothwell reported a trivial conflict with the tracing branch"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (104 commits)
  x86/kvm: Resolve shadow warnings in macro expansion
  KVM: s390: rework broken SIGP STOP interrupt handling
  KVM: x86: always exit on EOIs for interrupts listed in the IOAPIC redir table
  KVM: vmx: remove duplicate vmx_mpx_supported() prototype
  KVM: s390: Fix memory leak on busy SIGP stop
  x86/kvm: Resolve shadow warning from min macro
  kvm: Resolve missing-field-initializers warnings
  Replace NR_VMX_MSR with its definition
  KVM: x86: Assertions to check no overrun in MSR lists
  KVM: x86: set rflags.rf during fault injection
  KVM: x86: Setting rflags.rf during rep-string emulation
  KVM: x86: DR6/7.RTM cannot be written
  KVM: nVMX: clean up nested_release_vmcs12 and code around it
  KVM: nVMX: fix lifetime issues for vmcs02
  KVM: x86: Defining missing x86 vectors
  KVM: x86: emulator injects #DB when RFLAGS.RF is set
  KVM: x86: Cleanup of rflags.rf cleaning
  KVM: x86: Clear rflags.rf on emulated instructions
  KVM: x86: popf emulation should not change RF
  KVM: x86: Clearing rflags.rf upon skipped emulated instruction
  ...
 2014-08-04 12:16:46 -07:00
Linus Torvalds
b8c0aa46b3 This pull request has a lot of work done. The main thing is the changes 
to the ftrace function callback infrastructure. It's introducing a
 way to allow different functions to call directly different trampolines
 instead of all calling the same "mcount" one.
 
 The only user of this for now is the function graph tracer, which always
 had a different trampoline, but the function tracer trampoline was called
 and did basically nothing, and then the function graph tracer trampoline
 was called. The difference now, is that the function graph tracer
 trampoline can be called directly if a function is only being traced by
 the function graph trampoline. If function tracing is also happening on
 the same function, the old way is still done.
 
 The accounting for this takes up more memory when function graph tracing
 is activated, as it needs to keep track of which functions it uses.
 I have a new way that wont take as much memory, but it's not ready yet
 for this merge window, and will have to wait for the next one.
 
 Another big change was the removal of the ftrace_start/stop() calls that
 were used by the suspend/resume code that stopped function tracing when
 entering into suspend and resume paths. The stop of ftrace was done
 because there was some function that would crash the system if one called
 smp_processor_id()! The stop/start was a big hammer to solve the issue
 at the time, which was when ftrace was first introduced into Linux.
 Now ftrace has better infrastructure to debug such issues, and I found
 the problem function and labeled it with "notrace" and function tracing
 can now safely be activated all the way down into the guts of suspend
 and resume.
 
 Other changes include clean ups of uprobe code.
 Clean up of the trace_seq() code.
 And other various small fixes and clean ups to ftrace and tracing.
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Merge tag 'trace-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "This pull request has a lot of work done.  The main thing is the
  changes to the ftrace function callback infrastructure.  It's
  introducing a way to allow different functions to call directly
  different trampolines instead of all calling the same "mcount" one.

  The only user of this for now is the function graph tracer, which
  always had a different trampoline, but the function tracer trampoline
  was called and did basically nothing, and then the function graph
  tracer trampoline was called.  The difference now, is that the
  function graph tracer trampoline can be called directly if a function
  is only being traced by the function graph trampoline.  If function
  tracing is also happening on the same function, the old way is still
  done.

  The accounting for this takes up more memory when function graph
  tracing is activated, as it needs to keep track of which functions it
  uses.  I have a new way that wont take as much memory, but it's not
  ready yet for this merge window, and will have to wait for the next
  one.

  Another big change was the removal of the ftrace_start/stop() calls
  that were used by the suspend/resume code that stopped function
  tracing when entering into suspend and resume paths.  The stop of
  ftrace was done because there was some function that would crash the
  system if one called smp_processor_id()! The stop/start was a big
  hammer to solve the issue at the time, which was when ftrace was first
  introduced into Linux.  Now ftrace has better infrastructure to debug
  such issues, and I found the problem function and labeled it with
  "notrace" and function tracing can now safely be activated all the way
  down into the guts of suspend and resume

  Other changes include clean ups of uprobe code, clean up of the
  trace_seq() code, and other various small fixes and clean ups to
  ftrace and tracing"

* tag 'trace-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (57 commits)
  ftrace: Add warning if tramp hash does not match nr_trampolines
  ftrace: Fix trampoline hash update check on rec->flags
  ring-buffer: Use rb_page_size() instead of open coded head_page size
  ftrace: Rename ftrace_ops field from trampolines to nr_trampolines
  tracing: Convert local function_graph functions to static
  ftrace: Do not copy old hash when resetting
  tracing: let user specify tracing_thresh after selecting function_graph
  ring-buffer: Always run per-cpu ring buffer resize with schedule_work_on()
  tracing: Remove function_trace_stop and HAVE_FUNCTION_TRACE_MCOUNT_TEST
  s390/ftrace: remove check of obsolete variable function_trace_stop
  arm64, ftrace: Remove check of obsolete variable function_trace_stop
  Blackfin: ftrace: Remove check of obsolete variable function_trace_stop
  metag: ftrace: Remove check of obsolete variable function_trace_stop
  microblaze: ftrace: Remove check of obsolete variable function_trace_stop
  MIPS: ftrace: Remove check of obsolete variable function_trace_stop
  parisc: ftrace: Remove check of obsolete variable function_trace_stop
  sh: ftrace: Remove check of obsolete variable function_trace_stop
  sparc64,ftrace: Remove check of obsolete variable function_trace_stop
  tile: ftrace: Remove check of obsolete variable function_trace_stop
  ftrace: x86: Remove check of obsolete variable function_trace_stop
  ...
 2014-08-04 11:50:00 -07:00
Linus Torvalds
e4ca4308c0 The clock framework changes for 3.17 are mostly additions of new clock 
drivers and fixes/enhancements to existing clock drivers. There are also
 some non-critical fixes and improvements to the framework core.
 
 Changes to the clock framework core include:
 * improvements to printks on errors
 * flattening the previously hierarchal structure of per-clock entries
   in debugfs
 * allow per-clock debugfs entries that are specific to a particular
   clock driver
 * configure initial clock parent and/or initial clock rate from Device
   Tree
 * several feature enhancements to the composite clock type
 * misc fixes
 
 New clock drivers added include:
 * TI Palmas PMIC
 * Allwinner A23 SoC
 * Qualcomm APQ8084 and IPQ8064 SoCs
 * Rockchip rk3188, rk3066 and rk3288 SoCs
 * STMicroelectronics STiH407 SoC
 * Cirrus Logic CLPS711X SoC
 
 Many fixes, feature enhancements and further clock tree support for
 existing clock drivers also were merged, such as Samsung's "ARMCLK down"
 power saving feature for their Exynos4 & Exynos5 SoCs.
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Merge tag 'clk-for-linus-3.17' of git://git.linaro.org/people/mike.turquette/linux

Pull clock framework updates from Mike Turquette:
 "The clock framework changes for 3.17 are mostly additions of new clock
  drivers and fixes/enhancements to existing clock drivers.  There are
  also some non-critical fixes and improvements to the framework core.

  Changes to the clock framework core include:
   - improvements to printks on errors
   - flattening the previously hierarchal structure of per-clock entries
     in debugfs
   - allow per-clock debugfs entries that are specific to a particular
     clock driver
   - configure initial clock parent and/or initial clock rate from
     Device Tree
   - several feature enhancements to the composite clock type
   - misc fixes

  New clock drivers added include:
   - TI Palmas PMIC
   - Allwinner A23 SoC
   - Qualcomm APQ8084 and IPQ8064 SoCs
   - Rockchip rk3188, rk3066 and rk3288 SoCs
   - STMicroelectronics STiH407 SoC
   - Cirrus Logic CLPS711X SoC

  Many fixes, feature enhancements and further clock tree support for
  existing clock drivers also were merged, such as Samsung's "ARMCLK
  down" power saving feature for their Exynos4 & Exynos5 SoCs"

* tag 'clk-for-linus-3.17' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
  clk: Add missing of_clk_set_defaults export
  clk: checking wrong variable in __set_clk_parents()
  clk: Propagate any error return from debug_init()
  clk: clps711x: Add DT bindings documentation
  clk: Add CLPS711X clk driver
  clk: st: Use round to closest divider flag
  clk: st: Update frequency tables for fs660c32 and fs432c65
  clk: st: STiH407: Support for clockgenA9
  clk: st: STiH407: Support for clockgenD0/D2/D3
  clk: st: STiH407: Support for clockgenC0
  clk: st: Add quadfs reset handling
  clk: st: Add polarity bit indication
  clk: st: STiH407: Support for clockgenA0
  clk: st: STiH407: Support for A9 MUX Clocks
  clk: st: STiH407: Support for Flexgen Clocks
  clk: st: Adds Flexgen clock binding
  clk: st: Remove uncessary (void *) cast
  clk: st: use static const for clkgen_pll_data tables
  clk: st: use static const for stm_fs tables
  clk: st: Update ST clock binding documentation
  ...
 2014-08-04 11:44:20 -07:00
Linus Torvalds
e17acfdc83 Merge branch 'for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 
Pull libata changes from Tejun Heo:
 "Except for a few, all the changes are for ahci platform drivers for
  the arm devices.  Nothing too interesting or dangerous.  There's one
  merge from libata/for-3.16-fixes to pull in dependent changes"

* 'for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (23 commits)
  ata: libahci: Silence compiler warning on 64-bit
  Documentation: bindings: document the sub-nodes AHCI bindings
  ata: ahci_platform: add a generic AHCI compatible
  ata: libahci: allow to use multiple PHYs
  ata: libahci_platform: move port_map parameters into the AHCI structure
  ahci: imx: add missing clk_disable_unprepare() on error in imx_sata_enable()
  ahci_xgene: Use correct OOB tunning parameters for APM X-Gene SoC AHCI SATA Host controller driver.
  ahci_xgene: Fix the watermark threshold for the APM X-Gene SATA host controller driver.
  ahci: st: Make of_device_id array const
  sata_sil24: Identify which card suffered IRQ status error
  ahci: st: Provide DT bindings for ST's SATA implementation
  ata: Add support for the Tegra124 SATA controller
  ata: ahci_platform: Increase AHCI_MAX_CLKS to 4
  of: Add NVIDIA Tegra SATA controller binding
  dt-bindings: ata: document ability to disable spread-spectrum clock
  ata: ahci_imx: add disable for spread-spectrum
  dt-bindings: ata: add ahci_imx electrical properties
  ata: ahci_imx: allow hardware parameters to be specified in DT
  dt-bindings: ata: create bindings for imx sata controller
  ata: pata_samsung_cf: removes s5pc100 related ata codes
  ...
 2014-08-04 10:24:26 -07:00