Commit Graph

426689 Commits

Author SHA1 Message Date
Alexander Shiyan
afc98d9088 ARM: clps711x: Add CLPS711X irqchip driver
This adds the irqchip driver for Cirrus Logic CLPS711X series SoCs.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-28 17:27:30 +01:00
Arnd Bergmann
88dbede1da mvebu new SoCs for v3.15
- mvebu
     - initial support for Armada 375, 380, and 385
 
 Depends:
  - tags/mvebu-soc-3.15 (resolves delete/rename hidden conflict)
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Merge tag 'mvebu-soc-3xx-3.15' of git://git.infradead.org/linux-mvebu into next/soc

Merge "mvebu new SoCs for v3.15" from Jason Cooper:

 - mvebu
    - initial support for Armada 375, 380, and 385

Depends:
 - tags/mvebu-soc-3.15 (resolves delete/rename hidden conflict)

* tag 'mvebu-soc-3xx-3.15' of git://git.infradead.org/linux-mvebu:
  Documentation: arm: update Marvell documentation about Armada 375/38x
  ARM: mvebu: add initial support for the Armada 380/385 SOCs
  ARM: mvebu: add workaround for data abort issue on Armada 375
  ARM: mvebu: add initial support for the Armada 375 SOCs
  ARM: mvebu: add Armada 375 support to the system-controller driver
  ARM: mvebu: make CPU_PJ4B selection a per-SoC choice
  ARM: mvebu: rename DT machine structure for Armada 370/XP
  ARM: mvebu: rename armada-370-xp.c to board-v7.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-25 18:34:42 +01:00
Arnd Bergmann
4a70931bd1 Merge branch 'mvebu/soc' into next/soc
Merge dependency for mvebu-soc-3xx branch from cleanups.

* mvebu/soc:
  ARM: mvebu: remove unneeded ->map_io field for Armada 370/XP
  ARM: mvebu: make use of of_find_matching_node_and_match
  ARM: mvebu: Makefile clean-up

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-25 18:33:37 +01:00
Thomas Petazzoni
bc81526f37 Documentation: arm: update Marvell documentation about Armada 375/38x
This commit updates the documentation that describes the various
families of SOCs produced by Marvell, together with the corresponding
available technical documents. It adds Armada 375 and Armada 38x, and
adds a link to the product brief for the already supported Armada 370.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:44:00 +00:00
Thomas Petazzoni
9aa30f1c13 ARM: mvebu: add initial support for the Armada 380/385 SOCs
This commit adds the basic support for the Armada 380 and Armada 385
SOCs. These SoCs share most of their IP with the Armada 370/XP
SoCs. The main difference is the use of a Cortex A9 CPU instead of the
PJ4B CPU. The Armada 380 is a single core Cortex-A9, while the Armada
385 is a dual-core Cortex-A9.

The support is introduced in board-v7.c, together with Armada 370/XP,
but a separate DT structure is added, because Armada 38x will need a
different set of SMP operations when the SMP support is introduced.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:43:59 +00:00
Thomas Petazzoni
ca4a6f8715 ARM: mvebu: add workaround for data abort issue on Armada 375
Early versions of Armada 375 SoC have a bug where the BootROM leaves
an external data abort pending. The kernel is hit by this data abort
as soon as it enters userspace, because it unmasks the data aborts at
this moment. We register a custom abort handler below to ignore the
first data abort to work around this problem.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:43:59 +00:00
Gregory CLEMENT
d3ce7f2594 ARM: mvebu: add initial support for the Armada 375 SOCs
This commit adds the basic support for the Armada 375 SOCs. These SoCs
share most of their IP with the Armada 370/XP SoCs. The main
difference is the use of a Cortex A9 CPU instead of the PJ4B CPU. The
interrupt controller and the L2 cache controller are also different
they are respectively the GIC and the PL310.

The support is introduced in board-v7.c, together with Armada 370/XP,
but a separate DT structure is added, because Armada 375 will need a
different set of SMP operations when the SMP support is introduced.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:41:10 +00:00
Thomas Petazzoni
df863de19f ARM: mvebu: add Armada 375 support to the system-controller driver
The system controller block in the Armada 375 has different register
offsets for the system reset and other related functions. Therefore,
this commit introduces the new "armada-375-system-controller"
compatible string to identify the Armada 375 variant of the system
controller.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:41:09 +00:00
Thomas Petazzoni
798ec443ad ARM: mvebu: make CPU_PJ4B selection a per-SoC choice
Until now, the CPU_PJ4B Kconfig option was selected by
MACH_ARMADA_MVEBU, i.e for all Armada MVEBU SOCs. In preparation to
the introduction of Cortex-A9 based Armada MVEBU SOCs, this selection
is moved down to the Armada 370 and Armada XP specific options.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:41:08 +00:00
Thomas Petazzoni
a017dbb6ee ARM: mvebu: rename DT machine structure for Armada 370/XP
Due to a mistake made when merging Armada 370 and Armada XP DT machine
structures, the name of the structure was incorrectly chosen as being
ARMADA_XP_DT, while the structure also covers Armada 370. Therefore,
we rename the structure to ARMADA_370_XP_DT.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:41:08 +00:00
Thomas Petazzoni
99b3d29462 ARM: mvebu: rename armada-370-xp.c to board-v7.c
In preparation to the introduction of the support of Armada 375 and
Armada 38x, this commit renames arch/arm/mach-mvebu/armada-370-xp.c to
arch/arm/mach-mvebu/board-v7.c. The board-v7.c name as we expect this
file to ultimately contain the DT_MACHINE_START definitions for all
ARMv7 Marvell EBU platforms (370, 375, 38x, XP and Dove as of today).

In relation to this file rename, this commit also:

 * Renames the hidden Kconfig symbol MACH_ARMADA_370_XP to
   MACH_MVEBU_V7. This hidden symbol is selected by the various
   per-SoC visible Kconfig options to trigger the build of board-v7.c.

 * Renames a certain number of functions in board-v7.c so that their
   armada_370_xp prefix is replaced by a mvebu prefix. The .dt_compat
   array keeps its armada_370_xp prefix because the new SOCs will be
   introduced with separate .dt_compat arrays, due to the need for
   different SMP operations.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-22 00:41:06 +00:00
Jason Cooper
d181e69c91 mvebu soc changes for v3.15
- mvebu
     - Makefile cleanup and remove map_io
     - use of_find_matching_node_and_match
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Merge tag 'tags/mvebu-soc-3.15' into mvebu/soc-3xx

mvebu soc changes for v3.15

 - mvebu
    - Makefile cleanup and remove map_io
    - use of_find_matching_node_and_match
2014-02-22 00:34:01 +00:00
Stephen Boyd
3bff547403 ARM: dts: msm: Add krait-pmu to platforms with Krait CPUs
Allows us to probe the performance counters on Krait CPUs.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
[olof: Moved 8960 contents to the dtsi instead]
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-21 11:52:50 -08:00
Olof Johansson
567acf8e17 Qualcomm ARM Based SoC Updates for v3.15
* Add support for determining smp ops based on device tree.
 * Add DT binding specs for Krait/Scorpion enable method
 * Add DT binding specs for various Krait Processor controller complexes
 * Add SoC SMP support for Krait Processor Subsystem v1 & v2
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Merge tag 'qcom-soc-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/soc

Merge "Qualcomm ARM Based SoC Updates for v3.15" from Kumar Gala:

* Add support for determining smp ops based on device tree.
* Add DT binding specs for Krait/Scorpion enable method
* Add DT binding specs for various Krait Processor controller complexes
* Add SoC SMP support for Krait Processor Subsystem v1 & v2

* tag 'qcom-soc-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  ARM: qcom: Add SMP support for KPSSv2
  ARM: qcom: Add SMP support for KPSSv1
  devicetree: bindings: Document qcom,saw2 node
  devicetree: bindings: Document qcom,kpss-acc
  devicetree: bindings: Document Krait/Scorpion cpus and enable-method
  ARM: qcom: Re-organize platsmp to make it extensible
  ARM: Introduce CPU_METHOD_OF_DECLARE() for cpu hotplug/smp
  ARM: qcom: Rename various msm prefixed functions to qcom
  clocksource: qcom: split building of legacy vs multiplatform support
  ARM: qcom: Split Qualcomm support into legacy and multiplatform
  clocksource: qcom: Move clocksource code out of mach-msm
  ARM: msm: kill off hotplug.c
  ARM: msm: Remove pen_release usage
  ARM: dts: msm: split out msm8660 and msm8960 soc into dts include

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-20 01:12:04 -08:00
Linus Torvalds
6d0abeca32 Linux 3.14-rc3 2014-02-16 13:30:25 -08:00
Linus Torvalds
3962dfbe22 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "We have a small collection of fixes in my for-linus branch.

  The big thing that stands out is a revert of a new ioctl.  Users
  haven't shipped yet in btrfs-progs, and Dave Sterba found a better way
  to export the information"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: use right clone root offset for compressed extents
  btrfs: fix null pointer deference at btrfs_sysfs_add_one+0x105
  Btrfs: unset DCACHE_DISCONNECTED when mounting default subvol
  Btrfs: fix max_inline mount option
  Btrfs: fix a lockdep warning when cleaning up aborted transaction
  Revert "btrfs: add ioctl to export size of global metadata reservation"
2014-02-16 11:05:27 -08:00
Linus Torvalds
4302a8750d DeviceTree fixes for 3.14:
- Fix booting on PPC boards. Changes to of_match_node matching caused
   the serial port on some PPC boards to stop working. Reverted the
   change and reimplement to split matching between new style compatible
   only matching and fallback to old matching algorithm.
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Merge tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:
 "Fix booting on PPC boards.  Changes to of_match_node matching caused
  the serial port on some PPC boards to stop working.  Reverted the
  change and reimplement to split matching between new style compatible
  only matching and fallback to old matching algorithm"

* tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: search the best compatible match first in __of_match_node()
  Revert "OF: base: match each node compatible against all given matches first"
2014-02-16 11:03:58 -08:00
Kevin Hao
06b29e76a7 of: search the best compatible match first in __of_match_node()
Currently, of_match_node compares each given match against all node's
compatible strings with of_device_is_compatible.

To achieve multiple compatible strings per node with ordering from
specific to generic, this requires given matches to be ordered from
specific to generic. For most of the drivers this is not true and also
an alphabetical ordering is more sane there.

Therefore, this patch introduces a function to match each of the node's
compatible strings against all given compatible matches without type and
name first, before checking the next compatible string. This implies
that node's compatibles are ordered from specific to generic while
given matches can be in any order. If we fail to find such a match
entry, then fall-back to the old method in order to keep compatibility.

Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Tested-by: Stephen Chivers <schivers@csc.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2014-02-15 18:51:17 -06:00
Linus Torvalds
946dd683af Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "Mostly minor fixes this time to v3.14-rc1 related changes.  Also
  included is one fix for a free after use regression in persistent
  reservations UNREGISTER logic that is CC'ed to >= v3.11.y stable"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  Target/sbc: Fix protection copy routine
  IB/srpt: replace strict_strtoul() with kstrtoul()
  target: Simplify command completion by removing CMD_T_FAILED flag
  iser-target: Fix leak on failure in isert_conn_create_fastreg_pool
  iscsi-target: Fix SNACK Type 1 + BegRun=0 handling
  target: Fix missing length check in spc_emulate_evpd_83()
  qla2xxx: Remove last vestiges of qla_tgt_cmd.cmd_list
  target: Fix 32-bit + CONFIG_LBDAF=n link error w/ sector_div
  target: Fix free-after-use regression in PR unregister
2014-02-15 16:18:47 -08:00
Linus Torvalds
2d0ef4fb34 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "i2c has a bugfix and documentation improvements for you"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  Documentation: i2c: mention ACPI method for instantiating devices
  Documentation: i2c: describe devicetree method for instantiating devices
  i2c: mv64xxx: refactor message start to ensure proper initialization
2014-02-15 16:17:51 -08:00
Linus Torvalds
5a667a0c02 Merge branches 'irq-urgent-for-linus' and 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq update from Thomas Gleixner:
 "Fix from the urgent branch: a trivial oneliner adding the missing
  Kconfig dependency curing build failures which have been discovered by
  several build robots.

  The update in the irq-core branch provides a new function in the
  irq/devres code, which is a prerequisite for driver developers to get
  rid of boilerplate code all over the place.

  Not a bugfix, but it has zero impact on the current kernel due to the
  lack of users.  It's simpler to provide the infrastructure to
  interested parties via your tree than fulfilling the wishlist of
  driver maintainers on which particular commit or tag this should be
  based on"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Add missing irq_to_desc export for CONFIG_SPARSE_IRQ=n

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Add devm_request_any_context_irq()
2014-02-15 16:06:12 -08:00
Linus Torvalds
3a19c07c56 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "The following trilogy of patches brings you:

   - fix for a long standing math overflow issue with HZ < 60

   - an onliner fix for a corner case in the dreaded tick broadcast
     mechanism affecting a certain range of AMD machines which are
     infested with the infamous automagic C1E power control misfeature

   - a fix for one of the ARM platforms which allows the kernel to
     proceed and boot instead of stupidly panicing for no good reason.
     The patch is slightly larger than necessary, but it's less ugly
     than the alternative 5 liner"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick: Clear broadcast pending bit when switching to oneshot
  clocksource: Kona: Print warning rather than panic
  time: Fix overflow when HZ is smaller than 60
2014-02-15 16:04:42 -08:00
Linus Torvalds
9bd01b9bbd Two fixes in the tracing utility.
The first is a fix for the way the ring buffer stores timestamps.
 After a restructure of the code was done, the ring buffer timestamp
 logic missed the fact that the first event on a sub buffer is to have
 a zero delta, as the full timestamp is stored on the sub buffer itself.
 But because the delta was not cleared to zero, the timestamp for that
 event will be calculated as the real timestamp + the delta from the
 last timestamp. This can skew the timestamps of the events and
 have them say they happened when they didn't really happen. That's bad.
 
 The second fix is for modifying the function graph caller site.
 When the stop machine was removed from updating the function tracing
 code, it missed updating the function graph call site location.
 It is still modified as if it is being done via stop machine. But it's not.
 This can lead to a GPF and kernel crash if the function graph call site
 happens to lie between cache lines and one CPU is executing it while
 another CPU is doing the update. It would be a very hard condition to
 hit, but the result is sever enough to have it fixed ASAP.
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Merge tag 'trace-fixes-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull twi tracing fixes from Steven Rostedt:
 "Two urgent fixes in the tracing utility.

  The first is a fix for the way the ring buffer stores timestamps.
  After a restructure of the code was done, the ring buffer timestamp
  logic missed the fact that the first event on a sub buffer is to have
  a zero delta, as the full timestamp is stored on the sub buffer
  itself.  But because the delta was not cleared to zero, the timestamp
  for that event will be calculated as the real timestamp + the delta
  from the last timestamp.  This can skew the timestamps of the events
  and have them say they happened when they didn't really happen.
  That's bad.

  The second fix is for modifying the function graph caller site.  When
  the stop machine was removed from updating the function tracing code,
  it missed updating the function graph call site location.  It is still
  modified as if it is being done via stop machine.  But it's not.  This
  can lead to a GPF and kernel crash if the function graph call site
  happens to lie between cache lines and one CPU is executing it while
  another CPU is doing the update.  It would be a very hard condition to
  hit, but the result is severe enough to have it fixed ASAP"

* tag 'trace-fixes-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace/x86: Use breakpoints for converting function graph caller
  ring-buffer: Fix first commit on sub-buffer having non-zero delta
2014-02-15 15:03:34 -08:00
Linus Torvalds
7fc9280462 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 EFI fixes from Peter Anvin:
 "A few more EFI-related fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Check status field to validate BGRT header
  x86/efi: Fix 32-bit fallout
2014-02-15 15:02:28 -08:00
Linus Torvalds
83660b734b A collection of ARM SoC fixes for v3.14-rc1.
Mostly a collection of Kconfig, device tree data and compilation fixes
 along with fix to drivers/phy that fixes a boot regression on some
 Marvell mvebu platforms.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Kevin Hilman:
 "A collection of ARM SoC fixes for v3.14-rc1.

  Mostly a collection of Kconfig, device tree data and compilation fixes
  along with fix to drivers/phy that fixes a boot regression on some
  Marvell mvebu platforms"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  dma: mv_xor: Silence a bunch of LPAE-related warnings
  ARM: ux500: disable msp2 device tree node
  ARM: zynq: Reserve not DMAable space in front of the kernel
  ARM: multi_v7_defconfig: Select CONFIG_SOC_DRA7XX
  ARM: imx6: Initialize low-power mode early again
  ARM: pxa: fix various compilation problems
  ARM: pxa: fix compilation problem on AM300EPD board
  ARM: at91: add Atmel's SAMA5D3 Xplained board
  spi/atmel: document clock properties
  mmc: atmel-mci: document clock properties
  ARM: at91: enable USB host on at91sam9n12ek board
  ARM: at91/dt: fix sama5d3 ohci hclk clock reference
  ARM: at91/dt: sam9263: fix compatibility string for the I2C
  ata: sata_mv: Fix probe failures with optional phys
  drivers: phy: Add support for optional phys
  drivers: phy: Make NULL a valid phy reference
  ARM: fix HAVE_ARM_TWD selection for OMAP and shmobile
  ARM: moxart: move DMA_OF selection to driver
  ARM: hisi: fix kconfig warning on HAVE_ARM_TWD
2014-02-15 15:01:33 -08:00
Wolfram Sang
fde1e418ab Documentation: i2c: mention ACPI method for instantiating devices
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
2014-02-15 19:46:34 +01:00
Wolfram Sang
aeca0fe62a Documentation: i2c: describe devicetree method for instantiating devices
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-02-15 19:46:29 +01:00
Filipe David Borba Manana
93de4ba864 Btrfs: use right clone root offset for compressed extents
For non compressed extents, iterate_extent_inodes() gives us offsets
that take into account the data offset from the file extent items, while
for compressed extents it doesn't. Therefore we have to adjust them before
placing them in a send clone instruction. Not doing this adjustment leads to
the receiving end requesting for a wrong a file range to the clone ioctl,
which results in different file content from the one in the original send
root.

Issue reproducible with the following excerpt from the test I made for
xfstests:

  _scratch_mkfs
  _scratch_mount "-o compress-force=lzo"

  $XFS_IO_PROG -f -c "truncate 118811" $SCRATCH_MNT/foo
  $XFS_IO_PROG -c "pwrite -S 0x0d -b 39987 92267 39987" $SCRATCH_MNT/foo

  $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1

  $XFS_IO_PROG -c "pwrite -S 0x3e -b 80000 200000 80000" $SCRATCH_MNT/foo
  $BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT
  $XFS_IO_PROG -c "pwrite -S 0xdc -b 10000 250000 10000" $SCRATCH_MNT/foo
  $XFS_IO_PROG -c "pwrite -S 0xff -b 10000 300000 10000" $SCRATCH_MNT/foo

  # will be used for incremental send to be able to issue clone operations
  $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/clones_snap

  $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2

  $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
  $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
      -x $SCRATCH_MNT/mysnap2/clones_snap $SCRATCH_MNT/mysnap2
  $FSSUM_PROG -A -f -w $tmp/clones.fssum $SCRATCH_MNT/clones_snap \
      -x $SCRATCH_MNT/clones_snap/mysnap1 -x $SCRATCH_MNT/clones_snap/mysnap2

  $BTRFS_UTIL_PROG send $SCRATCH_MNT/mysnap1 -f $tmp/1.snap
  $BTRFS_UTIL_PROG send $SCRATCH_MNT/clones_snap -f $tmp/clones.snap
  $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 \
      -c $SCRATCH_MNT/clones_snap $SCRATCH_MNT/mysnap2 -f $tmp/2.snap

  _scratch_unmount
  _scratch_mkfs
  _scratch_mount

  $BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/1.snap
  $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1 2>> $seqres.full

  $BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/clones.snap
  $FSSUM_PROG -r $tmp/clones.fssum $SCRATCH_MNT/clones_snap 2>> $seqres.full

  $BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/2.snap
  $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2 2>> $seqres.full

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-02-15 08:04:27 -08:00
Anand Jain
f085381e6d btrfs: fix null pointer deference at btrfs_sysfs_add_one+0x105
bdev is null when disk has disappeared and mounted with
the degrade option

stack trace
---------
btrfs_sysfs_add_one+0x105/0x1c0 [btrfs]
open_ctree+0x15f3/0x1fe0 [btrfs]
btrfs_mount+0x5db/0x790 [btrfs]
? alloc_pages_current+0xa4/0x160
mount_fs+0x34/0x1b0
vfs_kern_mount+0x62/0xf0
do_mount+0x22e/0xa80
? __get_free_pages+0x9/0x40
? copy_mount_options+0x31/0x170
SyS_mount+0x7e/0xc0
system_call_fastpath+0x16/0x1b
---------

reproducer:
-------
mkfs.btrfs -draid1 -mraid1 /dev/sdc /dev/sdd
(detach a disk)
devmgt detach /dev/sdc [1]
mount -o degrade /dev/sdd /btrfs
-------

[1] github.com/anajain/devmgt.git

Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Tested-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-02-15 08:03:09 -08:00
Wolfram Sang
79970db213 i2c: mv64xxx: refactor message start to ensure proper initialization
Because the offload mechanism can fall back to a standard transfer,
having two seperate initialization states is unfortunate. Let's just
have one state which does things consistently. This fixes a bug where
some preparation was missing when the fallback happened. And it makes
the code much easier to follow. To implement this, we put the check
if offload is possible at the top of the offload setup function.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: stable@vger.kernel.org # v3.12+
Fixes: 930ab3d403 (i2c: mv64xxx: Add I2C Transaction Generator support)
2014-02-15 15:42:31 +01:00
Linus Torvalds
ca033390a5 USB fixes for 3.14-rc3
Here is a bunch of USB fixes for 3.14-rc3.  Most of these are xhci
 reverts, fixing a bunch of reported issues with USB 3 host controller
 issues that loads of people have been hitting (with the exception of
 kernel developers, all of our machines seem to be working fine, which is
 why these took so long to get resolved...)
 
 There are some other minor fixes and new device ids, as ususal.  All
 have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here is a bunch of USB fixes for 3.14-rc3.  Most of these are xhci
  reverts, fixing a bunch of reported issues with USB 3 host controller
  issues that loads of people have been hitting (with the exception of
  kernel developers, all of our machines seem to be working fine, which
  is why these took so long to get resolved...)

  There are some other minor fixes and new device ids, as ususal.  All
  have been in linux-next successfully"

* tag 'usb-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  usb: option: blacklist ZTE MF667 net interface
  Revert "usb: xhci: Link TRB must not occur within a USB payload burst"
  Revert "xhci: Avoid infinite loop when sg urb requires too many trbs"
  Revert "xhci: Set scatter-gather limit to avoid failed block writes."
  xhci 1.0: Limit arbitrarily-aligned scatter gather.
  Modpost: fixed USB alias generation for ranges including 0x9 and 0xA
  usb: core: Fix potential memory leak adding dyn USBdevice IDs
  USB: ftdi_sio: add Tagsys RFID Reader IDs
  usb: qcserial: add Netgear Aircard 340U
  usb-storage: enable multi-LUN scanning when needed
  USB: simple: add Dynastream ANT USB-m Stick device support
  usb-storage: add unusual-devs entry for BlackBerry 9000
  usb-storage: restrict bcdDevice range for Super Top in Cypress ATACB
  usb: phy: move some error messages to debug
  usb: ftdi_sio: add Mindstorms EV3 console adapter
  usb: dwc2: fix memory corruption in dwc2 driver
  usb: dwc2: fix role switch breakage
  usb: dwc2: bail out early when booting with "nousb"
  Revert "xhci: replace xhci_read_64() with readq()"
  Revert "xhci: replace xhci_write_64() with writeq()"
  ...
2014-02-14 16:15:45 -08:00
Linus Torvalds
40a215fba1 TTY/Serial driver fixes for 3.14-rc3
Here are a small number of tty/serial driver fixes to resolve reported
 issues with 3.14-rc and earlier (in the case of the vt bugfix.)  Some of
 these have been tested and reported by a number of people as the tty
 bugfix was pretty commonly hit on some platforms.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a small number of tty/serial driver fixes to resolve reported
  issues with 3.14-rc and earlier (in the case of the vt bugfix).  Some
  of these have been tested and reported by a number of people as the
  tty bugfix was pretty commonly hit on some platforms.

  All have been in linux-next for a while"

* tag 'tty-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  vt: Fix secure clear screen
  serial: 8250: Support XR17V35x fraction divisor
  n_tty: Fix stale echo output
  serial: sirf: fix kernel panic caused by unpaired spinlock
  serial: 8250_pci: unbreak last serial ports on NetMos 9865 cards
  n_tty: Fix poll() when TIME_CHAR and MIN_CHAR == 0
  serial: omap: fix rs485 probe on defered pinctrl
  serial: 8250_dw: fix compilation warning when !CONFIG_PM_SLEEP
  serial: omap-serial: Move info message to probe function
  tty: Set correct tty name in 'active' sysfs attribute
  tty: n_gsm: Fix for modems with brk in modem status control
  drivers/tty/hvc: don't use module_init in non-modular hyp. console code
2014-02-14 16:15:03 -08:00
Linus Torvalds
e2e481d66c Staging driver fixes for 3.14-rc3
Here are a number (lots, I know) of fixes for staging drivers to resolve
 a bunch of reported issues.
 
 The largest patches here is one revert of a patch that is in 3.14-rc1 to
 fix reported problems, and a sync of a usb host driver that required
 some ARM patches to go in before it could be accepted (which is why it
 missed -rc1).
 
 All of these have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are a number (lots, I know) of fixes for staging drivers to
  resolve a bunch of reported issues.

  The largest patches here is one revert of a patch that is in 3.14-rc1
  to fix reported problems, and a sync of a usb host driver that
  required some ARM patches to go in before it could be accepted (which
  is why it missed -rc1)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (56 commits)
  staging/rtl8821ae: fix build, depends on MAC80211
  iio: max1363: Use devm_regulator_get_optional for optional regulator
  iio:accel:bma180: Use modifier instead of index in channel specification
  iio: adis16400: Set timestamp as the last element in chan_spec
  iio: ak8975: Fix calculation formula for convert micro tesla to gauss unit
  staging:iio:ad799x fix typo in ad799x_events[]
  iio: mxs-lradc: remove useless scale_available files
  iio: mxs-lradc: fix buffer overflow
  iio:magnetometer:mag3110: Fix output of decimal digits in show_int_plus_micros()
  iio:magnetometer:mag3110: Report busy in _read_raw() / write_raw() when buffer is enabled
  wlags49_h2: Fix overflow in wireless_set_essid()
  xlr_net: Fix missing trivial allocation check
  staging: r8188eu: overflow in rtw_p2p_get_go_device_address()
  staging: r8188eu: array overflow in rtw_mp_ioctl_hdl()
  staging: r8188eu: Fix typo in USB_DEVICE list
  usbip/userspace/libsrc/names.c: memory leak
  gpu: ion: dereferencing an ERR_PTR
  staging: comedi: usbduxsigma: fix unaligned dereferences
  staging: comedi: fix too early cleanup in comedi_auto_config()
  staging: android: ion: dummy: fix an error code
  ...
2014-02-14 16:14:11 -08:00
Linus Torvalds
ad07f124ae Driver core fix for 3.14-rc3
Here is a single driver core patch for 3.14-rc3 for the component code that
 Russell has found and fixed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here is a single driver core patch for 3.14-rc3 for the component code
  that Russell has found and fixed"

* tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: fix devres handling for master device
2014-02-14 16:13:40 -08:00
Linus Torvalds
bb0a05d756 Char/Misc fixes for 3.14-rc3
Here are some small char/misc driver fixes, along with some
 documentation updates, for 3.14-rc3.  Nothing major, just a number of
 fixes for reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are some small char/misc driver fixes, along with some
  documentation updates, for 3.14-rc3.  Nothing major, just a number of
  fixes for reported issues"

* tag 'char-misc-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Revert "misc: eeprom: sunxi: Add new compatibles"
  Revert "ARM: sunxi: dt: Convert to the new SID compatibles"
  misc: mic: fix possible signed underflow (undefined behavior) in userspace API
  ARM: sunxi: dt: Convert to the new SID compatibles
  misc: eeprom: sunxi: Add new compatibles
  misc: genwqe: Fix potential memory leak when pinning memory
  Documentation:Update Documentation/zh_CN/arm64/memory.txt
  Documentation:Update Documentation/zh_CN/arm64/booting.txt
  Documentation:Chinese translation of Documentation/arm64/tagged-pointers.txt
  raw: set range for MAX_RAW_DEVS
  raw: test against runtime value of max_raw_minors
  Drivers: hv: vmbus: Don't timeout during the initial connection with host
  Drivers: hv: vmbus: Specify the target CPU that should receive notification
  VME: Correct read/write alignment algorithm
  mei: don't unset read cb ptr on reset
  mei: clear write cb from waiting list on reset
2014-02-14 16:13:00 -08:00
Josef Bacik
3a0dfa6a12 Btrfs: unset DCACHE_DISCONNECTED when mounting default subvol
A user was running into errors from an NFS export of a subvolume that had a
default subvol set.  When we mount a default subvol we will use d_obtain_alias()
to find an existing dentry for the subvolume in the case that the root subvol
has already been mounted, or a dummy one is allocated in the case that the root
subvol has not already been mounted.  This allows us to connect the dentry later
on if we wander into the path.  However if we don't ever wander into the path we
will keep DCACHE_DISCONNECTED set for a long time, which angers NFS.  It doesn't
appear to cause any problems but it is annoying nonetheless, so simply unset
DCACHE_DISCONNECTED in the get_default_root case and switch btrfs_lookup() to
use d_materialise_unique() instead which will make everything play nicely
together and reconnect stuff if we wander into the defaul subvol path from a
different way.  With this patch I'm no longer getting the NFS errors when
exporting a volume that has been mounted with a default subvol set.  Thanks,

cc: bfields@fieldses.org
cc: ebiederm@xmission.com
Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-02-14 13:44:32 -08:00
Mitch Harder
feb5f96589 Btrfs: fix max_inline mount option
Currently, the only mount option for max_inline that has any effect is
max_inline=0.  Any other value that is supplied to max_inline will be
adjusted to a minimum of 4k.  Since max_inline has an effective maximum
of ~3900 bytes due to page size limitations, the current behaviour
only has meaning for max_inline=0.

This patch will allow the the max_inline mount option to accept non-zero
values as indicated in the documentation.

Signed-off-by: Mitch Harder <mitch.harder@sabayonlinux.org>
Signed-off-by: Chris Mason <clm@fb.com>
2014-02-14 13:44:32 -08:00
Liu Bo
a9d2d4adb6 Btrfs: fix a lockdep warning when cleaning up aborted transaction
Given now we have 2 spinlock for management of delayed refs,
CONFIG_DEBUG_SPINLOCK=y helped me find this,

[ 4723.413809] BUG: spinlock wrong CPU on CPU#1, btrfs-transacti/2258
[ 4723.414882]  lock: 0xffff880048377670, .magic: dead4ead, .owner: btrfs-transacti/2258, .owner_cpu: 2
[ 4723.417146] CPU: 1 PID: 2258 Comm: btrfs-transacti Tainted: G        W  O 3.12.0+ #4
[ 4723.421321] Call Trace:
[ 4723.421872]  [<ffffffff81680fe7>] dump_stack+0x54/0x74
[ 4723.422753]  [<ffffffff81681093>] spin_dump+0x8c/0x91
[ 4723.424979]  [<ffffffff816810b9>] spin_bug+0x21/0x26
[ 4723.425846]  [<ffffffff81323956>] do_raw_spin_unlock+0x66/0x90
[ 4723.434424]  [<ffffffff81689bf7>] _raw_spin_unlock+0x27/0x40
[ 4723.438747]  [<ffffffffa015da9e>] btrfs_cleanup_one_transaction+0x35e/0x710 [btrfs]
[ 4723.443321]  [<ffffffffa015df54>] btrfs_cleanup_transaction+0x104/0x570 [btrfs]
[ 4723.444692]  [<ffffffff810c1b5d>] ? trace_hardirqs_on_caller+0xfd/0x1c0
[ 4723.450336]  [<ffffffff810c1c2d>] ? trace_hardirqs_on+0xd/0x10
[ 4723.451332]  [<ffffffffa015e5ee>] transaction_kthread+0x22e/0x270 [btrfs]
[ 4723.452543]  [<ffffffffa015e3c0>] ? btrfs_cleanup_transaction+0x570/0x570 [btrfs]
[ 4723.457833]  [<ffffffff81079efa>] kthread+0xea/0xf0
[ 4723.458990]  [<ffffffff81079e10>] ? kthread_create_on_node+0x140/0x140
[ 4723.460133]  [<ffffffff81692aac>] ret_from_fork+0x7c/0xb0
[ 4723.460865]  [<ffffffff81079e10>] ? kthread_create_on_node+0x140/0x140
[ 4723.496521] ------------[ cut here ]------------

----------------------------------------------------------------------

The reason is that we get to call cond_resched_lock(&head_ref->lock) while
still holding @delayed_refs->lock.

So it's different with __btrfs_run_delayed_refs(), where we do drop-acquire
dance before and after actually processing delayed refs.

Here we don't drop the lock, others are not able to add new delayed refs to
head_ref, so cond_resched_lock(&head_ref->lock) is not necessary here.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-02-14 13:44:32 -08:00
Chris Mason
11bcac89c0 Revert "btrfs: add ioctl to export size of global metadata reservation"
This reverts commit 01e219e806.

David Sterba found a different way to provide these features without adding a new
ioctl.  We haven't released any progs with this ioctl yet, so I'm taking this out
for now until we finalize things.

Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
CC: Jeff Mahoney <jeffm@suse.com>
2014-02-14 13:42:13 -08:00
Linus Torvalds
8ba74517e4 Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux
Pull two nfsd bugfixes from Bruce Fields.

* 'for-3.14' of git://linux-nfs.org/~bfields/linux:
  lockd: send correct lock when granting a delayed lock.
  nfsd4: fix acl buffer overrun
2014-02-14 12:48:46 -08:00
Linus Torvalds
bd3813d52d Two bugfixes for md
both tagged for -stable
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Merge tag 'md/3.14-fixes' of git://neil.brown.name/md

Pull md fixes from Neil Brown:
 "Two bugfixes for md

  both tagged for -stable"

* tag 'md/3.14-fixes' of git://neil.brown.name/md:
  md/raid5: Fix CPU hotplug callback registration
  md/raid1: restore ability for check and repair to fix read errors.
2014-02-14 12:48:16 -08:00
Kevin Hao
4e8ca6ee3a Revert "OF: base: match each node compatible against all given matches first"
This reverts commit 105353145e.
Stephen Chivers reported this is broken as we will get a match
entry '.type = "serial"' instead of the '.compatible = "ns16550"'
in the following scenario:
	serial0: serial@4500 {
		compatible = "fsl,ns16550", "ns16550";
	}

	struct of_device_id of_platform_serial_table[] = {
		{ .compatible = "ns8250",   .data = (void *)PORT_8250, },
		{ .compatible = "ns16450",  .data = (void *)PORT_16450, },
		{ .compatible = "ns16550a", .data = (void *)PORT_16550A, },
		{ .compatible = "ns16550",  .data = (void *)PORT_16550, },
		{ .compatible = "ns16750",  .data = (void *)PORT_16750, },
		{ .compatible = "ns16850",  .data = (void *)PORT_16850, },
		...
		{ .type = "serial",         .data = (void *)PORT_UNKNOWN, },
		{ /* end of list */ },
	};

So just revert this patch, we will use another implementation to find
the best compatible match in a follow-on patch.

Reported-by: Stephen N Chivers <schivers@csc.com.au>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2014-02-14 13:52:50 -06:00
Greg Kroah-Hartman
bf74710388 Revert "misc: eeprom: sunxi: Add new compatibles"
This reverts commit f0de8e04a7, it is
incorrect, a future patch will fix this up properly.

Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-14 11:16:08 -08:00
Greg Kroah-Hartman
8c442794b2 Revert "ARM: sunxi: dt: Convert to the new SID compatibles"
This reverts commit 01ab1167cd, it is
incorrect, a future patch will fix this up properly.

Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-14 11:15:40 -08:00
H. Peter Anvin
31fce91e7a Merge remote-tracking branch 'efi/urgent' into x86/urgent
There have been reports of EFI crashes since -rc1. The following two
commits fix known issues.

 * Fix boot failure on 32-bit EFI due to the recent EFI memmap changes
   merged during the merge window - Borislav Petkov

 * Avoid a crash during efi_bgrt_init() by detecting invalid BGRT
   headers based on the 'status' field.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-02-14 11:11:18 -08:00
Linus Torvalds
c1b8ae03c3 A small error handling problem and a compile breakage for ARM64.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "A small error handling problem and a compile breakage for ARM64"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  arm64: KVM: Add VGIC device control for arm64
  KVM: return an error code in kvm_vm_ioctl_register_coalesced_mmio()
2014-02-14 11:10:49 -08:00
Linus Torvalds
161aa772f9 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "A collection of small fixes:

   - There still seem to be problems with asm goto which requires the
     empty asm hack.
   - If SMAP is disabled at compile time, don't enable it nor try to
     interpret a page fault as an SMAP violation.
   - Fix a case of unbounded recursion while tracing"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, smap: smap_violation() is bogus if CONFIG_X86_SMAP is off
  x86, smap: Don't enable SMAP if CONFIG_X86_SMAP is disabled
  compiler/gcc4: Make quirk for asm_volatile_goto() unconditional
  x86: Use preempt_disable_notrace() in cycles_2_ns()
2014-02-14 11:09:11 -08:00
Linus Torvalds
eef445eedc ACPI and power management fixes for 3.14-rc3
- Fix for a recent regression in the intel_pstate driver that
    introduced a race condition causing systems to crash during
    initialization in some situations.  This removes the affected
    code altogether.  From Dirk Brandewie.
 
  - ACPIPHP fix for a regression introduced during the 3.12 cycle
    causing devices to be dropped as a result of bus check notifications
    after system resume on some systems due to the way ACPIPHP interprets
    _STA return values (arguably incorrectly).  From Mika Westerberg.
 
  - ACPI dock driver fix for a problem causing docking to fail due to
    a check that always fails after recent ACPI core changes (found by
    code inspection).
 
  - ACPI container driver fix to prevent memory from being leaked in
    an error code path after device_register() failures.
 
  - Update of the arm_big_little cpufreq driver maintainer's e-mail
    address.
 
 /
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Merge tag 'pm+acpi-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These include a fix for a recent intel_pstate regression, a fix for a
  regression in the ACPI-based PCI hotplug (ACPIPHP) code introduced
  during the 3.12 cycle, fixes for two bugs in the ACPI core introduced
  recently and a MAINTAINERS update related to cpufreq.

  Specifics:

   - Fix for a recent regression in the intel_pstate driver that
     introduced a race condition causing systems to crash during
     initialization in some situations.  This removes the affected code
     altogether.  From Dirk Brandewie.

   - ACPIPHP fix for a regression introduced during the 3.12 cycle
     causing devices to be dropped as a result of bus check
     notifications after system resume on some systems due to the way
     ACPIPHP interprets _STA return values (arguably incorrectly).  From
     Mika Westerberg.

   - ACPI dock driver fix for a problem causing docking to fail due to a
     check that always fails after recent ACPI core changes (found by
     code inspection).

   - ACPI container driver fix to prevent memory from being leaked in an
     error code path after device_register() failures.

   - Update of the arm_big_little cpufreq driver maintainer's e-mail
     address"

* tag 'pm+acpi-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  MAINTAINERS / cpufreq: update Sudeep's email address
  intel_pstate: Remove energy reporting from pstate_sample tracepoint
  ACPI / container: Fix error code path in container_device_attach()
  ACPI / hotplug / PCI: Relax the checking of _STA return values
  ACPI / dock: Use acpi_device_enumerated() to check if dock is present
2014-02-14 11:07:29 -08:00
Linus Torvalds
3bd354abe1 Fix polling timeout setting through sysfs.
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Merge tag 'edac_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC fixes from Borislav Petkov:
 "Fix polling timeout setting through sysfs.

  You're surely wondering why the patches are not based on an rc.  Well,
  Andrew sent you 79040cad3f ("drivers/edac/edac_mc_sysfs.c: poll
  timeout cannot be zero sent you") already (it got in in -rc2) but it
  is not enough as a fix because for one, setting too low polling
  intervals (< 1sec) don't make any sense and cause unnecessary polling
  load on the system.

  Then, even if we set some interval, we explode with

    [ 4143.094342] WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:1393 __queue_work+0x1d7/0x340()

  because the workqueue setup path is used also for the timeout period
  resetting and we're doing INIT_DELAYED_WORK() on an already active
  workqueue.  Which is total bollocks.  So this is taken care of by the
  second patch.

  I've CCed stable for those two"

* tag 'edac_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Correct workqueue setup path
  EDAC: Poll timeout cannot be zero, p2
2014-02-14 11:05:41 -08:00
Linus Torvalds
cbc252566c Minor fbdev fixes for 3.14.
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Merge tag 'fbdev-fixes-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev fixes from Tomi Valkeinen:
 "Minor fbdev fixes for 3.14"

* tag 'fbdev-fixes-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  video: Kconfig: Allow more broad selection of the imxfb framebuffer driver.
  video: exynos: Fix S6E8AX0 LCD driver build error
  OMAPDSS: fix fck field types
  OMAPDSS: DISPC: decimation rounding fix
2014-02-14 11:04:54 -08:00