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Author SHA1 Message Date
Linus Torvalds
243d506785 Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 
Pull overlayfs updates from Miklos Szeredi:
 "Various fixes and tweaks"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: cleanup unused var in rename2
  ovl: rename is_merge to is_lowest
  ovl: fixed coding style warning
  ovl: Ensure upper filesystem supports d_type
  ovl: Warn on copy up if a process has a R/O fd open to the lower file
  ovl: honor flag MS_SILENT at mount
  ovl: verify upper dentry before unlink and rename
 2016-03-22 13:11:15 -07:00
Linus Torvalds
9f15dec813 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 
Pull fuse update from Miklos Szeredi:
 "This contains direct I/O fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: return patrial success from fuse_direct_io()
  fuse: Add reference counting for fuse_io_priv
  fuse: do not use iocb after it may have been freed
 2016-03-22 13:05:34 -07:00
Linus Torvalds
55fc733c7e xen: features and fixes for 4.6-rc0 
- Make earlyprintk=xen work for HVM guests.
 - Remove module support for things never built as modules.
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Merge tag 'for-linus-4.6-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from David Vrabel:
 "Features and fixes for 4.6:

  - Make earlyprintk=xen work for HVM guests

  - Remove module support for things never built as modules"

* tag 'for-linus-4.6-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  drivers/xen: make platform-pci.c explicitly non-modular
  drivers/xen: make sys-hypervisor.c explicitly non-modular
  drivers/xen: make xenbus_dev_[front/back]end explicitly non-modular
  drivers/xen: make [xen-]ballon explicitly non-modular
  xen: audit usages of module.h ; remove unnecessary instances
  xen/x86: Drop mode-selecting ifdefs in startup_xen()
  xen/x86: Zero out .bss for PV guests
  hvc_xen: make early_printk work with HVM guests
  hvc_xen: fix xenboot for DomUs
  hvc_xen: add earlycon support
 2016-03-22 12:55:17 -07:00
Linus Torvalds
b852495908 Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 
Pull i2c updates from Wolfram Sang:
 "Mostly usual driver updates and improvements.  The changelog should
  give an idea.  Standing out is the i2c-qup driver with lots of new
  capabilities and we also have now an i2c-demuxer.

  I'd especially like to welcome Peter Rosin as the i2c-mux maintainer.
  He has an interesting series for muxes in the queue and agreed to look
  after this part of the subsystem.  Thank you, Peter, and welcome
  again!

  The octeon changes were applied pretty recently before the merge
  window.  I am aware.  They are the first (and relatively simple)
  patches of a larger overhaul to this driver.  In case something goes
  wrong with them, they are easy to fix (or revert).  The advantage I
  see is that they are out of the way, and I can concentrate on the next
  block of patches.  I really would like to apply the overhaul in
  smaller batches to avoid regressions.  And waiting a cycle for the
  introductory patches seemed too much of a delay for me"

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (39 commits)
  i2c: octeon: Support I2C_M_RECV_LEN
  i2c: octeon: Cleanup resource allocation code
  i2c: octeon: Cleanup i2c-octeon driver
  MAINTAINERS: add Peter Rosin as i2c mux maintainer
  dt-bindings: i2c: Spelling s/propoerty/property/
  i2c: immediately mark ourselves as registered
  i2c: i801: sort IDs alphabetically
  MAINTAINERS: Mika and me are designated reviewers for I2C DESIGNWARE
  i2c: octeon: Cleanup kerneldoc comments
  i2c: do not use internal data from driver core
  i2c: cadence: Fix the kernel-doc warnings
  i2c: imx: remove extra spaces.
  i2c: rcar: don't open code of_device_get_match_data()
  i2c: qup: Fix fifo handling after adding V2 support
  i2c: xiic: Implement power management
  i2c: piix4: Pre-shift the port number
  i2c: piix4: Always use the same type for port
  i2c: piix4: Support alternative port selection register
  i2c: tegra: don't open code of_device_get_match_data()
  i2c: riic, sh_mobile, rcar: Use ARCH_RENESAS
  ...
 2016-03-22 12:47:40 -07:00
Linus Torvalds
5266e5b12c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 
Pull SCSI target updates from Nicholas Bellinger:
 "The highlights this round include:

   - Add target_alloc_session() w/ callback helper for doing se_session
     allocation + tag + se_node_acl lookup.  (HCH + nab)

   - Tree-wide fabric driver conversion to use target_alloc_session()

   - Convert sbp-target to use percpu_ida tag pre-allocation, and
     TARGET_SCF_ACK_KREF I/O krefs (Chris Boot + nab)

   - Convert usb-gadget to use percpu_ida tag pre-allocation, and
     TARGET_SCF_ACK_KREF I/O krefs (Andrzej Pietrasiewicz + nab)

   - Convert xen-scsiback to use percpu_ida tag pre-allocation, and
     TARGET_SCF_ACK_KREF I/O krefs (Juergen Gross + nab)

   - Convert tcm_fc to use TARGET_SCF_ACK_KREF I/O + TMR krefs

   - Convert ib_srpt to use percpu_ida tag pre-allocation

   - Add DebugFS node for qla2xxx target sess list (Quinn)

   - Rework iser-target connection termination (Jenny + Sagi)

   - Convert iser-target to new CQ API (HCH)

   - Add pass-through WRITE_SAME support for IBLOCK (Mike Christie)

   - Introduce data_bitmap for asynchronous access of data area (Sheng
     Yang + Andy)

   - Fix target_release_cmd_kref shutdown comp leak (Himanshu Madhani)

  Also, there is a separate PULL request coming for cxgb4 NIC driver
  prerequisites for supporting hw iscsi segmentation offload (ISO), that
  will be the base for a number of v4.7 developments involving
  iscsi-target hw offloads"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (36 commits)
  target: Fix target_release_cmd_kref shutdown comp leak
  target: Avoid DataIN transfers for non-GOOD SAM status
  target/user: Report capability of handling out-of-order completions to userspace
  target/user: Fix size_t format-spec build warning
  target/user: Don't free expired command when time out
  target/user: Introduce data_bitmap, replace data_length/data_head/data_tail
  target/user: Free data ring in unified function
  target/user: Use iovec[] to describe continuous area
  target: Remove enum transport_lunflags_table
  target/iblock: pass WRITE_SAME to device if possible
  iser-target: Kill the ->isert_cmd back pointer in struct iser_tx_desc
  iser-target: Kill struct isert_rdma_wr
  iser-target: Convert to new CQ API
  iser-target: Split and properly type the login buffer
  iser-target: Remove ISER_RECV_DATA_SEG_LEN
  iser-target: Remove impossible condition from isert_wait_conn
  iser-target: Remove redundant wait in release_conn
  iser-target: Rework connection termination
  iser-target: Separate flows for np listeners and connections cma events
  iser-target: Add new state ISER_CONN_BOUND to isert_conn
  ...
 2016-03-22 12:41:14 -07:00
Linus Torvalds
fc739eba99 PCI updates for v4.6: 
TI DRA7xx host bridge driver
     Revert "PCI: dra7xx: Mark driver as broken" (Sekhar Nori)
 
   Miscellaneous
     Restore inclusion of pci/hotplug Kconfig (Tero Roponen)
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Merge tag 'pci-v4.6-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Here are two fixes for v4.6:

   - You merged a fix for a TI DRA7xx reset issue from another source,
     so Sekhar removed the "broken" tag from the driver, and

   - I botched a Kconfig merge and broke hotplug configuration for
     everybody, so Tero fixed that.

  Summary:

  TI DRA7xx host bridge driver:
    Revert "PCI: dra7xx: Mark driver as broken" (Sekhar Nori)

  Miscellaneous:
    Restore inclusion of pci/hotplug Kconfig (Tero Roponen)"

* tag 'pci-v4.6-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "PCI: dra7xx: Mark driver as broken"
  PCI: Restore inclusion of pci/hotplug Kconfig
 2016-03-22 12:26:04 -07:00
Linus Torvalds
87cf815b9e sound fixes for 4.6-rc1 
The previous pull request introduced a few WARN_ON() for Intel
 HD-audio HDMI.  Indeed it caught bugs, and now users get annoyed.
 So this request came up: a collection of small fixes to paper over
 the inconsistencies on (mostly) old Intel chipsets.
 
 In addition, a trivial USB-audio quirk is included, too.
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Merge tag 'sound-fix-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The previous pull request introduced a few WARN_ON() for Intel
  HD-audio HDMI.  Indeed it caught bugs, and now users get annoyed.  So
  this request came up: a collection of small fixes to paper over the
  inconsistencies on (mostly) old Intel chipsets.

  In addition, a trivial USB-audio quirk is included, too"

* tag 'sound-fix-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix missing ELD update at unplugging
  ALSA: usb-audio: add Microsoft HD-5001 to quirks
  ALSA: hda - Workaround for unbalanced i915 power refcount by concurrent probe
  ALSA: hda - Fix spurious kernel WARNING on Baytrail HDMI
  ALSA: hda - Fix forgotten HDMI monitor_present update
  ALSA: hda - Really restrict i915 notifier to HSW+
 2016-03-22 12:13:53 -07:00
Linus Torvalds
b4af7f773e IOMMU Updates for Linux v4.6 
This time with:
 
 	* Updates for the Exynos IOMMU driver to make use of default
 	  domains and to add support for the SYSMMU v5
 
 	* New Mediatek IOMMU driver
 
 	* Support for the ARMv7 short descriptor format in the
 	  io-pgtable code
 
 	* Default domain support for the ARM SMMU
 
 	* Couple of other small fixes all over the place
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Merge tag 'iommu-updates-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - updates for the Exynos IOMMU driver to make use of default domains
   and to add support for the SYSMMU v5

 - new Mediatek IOMMU driver

 - support for the ARMv7 short descriptor format in the io-pgtable code

 - default domain support for the ARM SMMU

 - couple of other small fixes all over the place

* tag 'iommu-updates-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (41 commits)
  iommu/ipmmu-vmsa: Add r8a7795 DT binding
  iommu/mediatek: Check for NULL instead of IS_ERR()
  iommu/io-pgtable-armv7s: Fix kmem_cache_alloc() flags
  iommu/mediatek: Fix handling of of_count_phandle_with_args result
  iommu/dma: Fix NEED_SG_DMA_LENGTH dependency
  iommu/mediatek: Mark PM functions as __maybe_unused
  iommu/mediatek: Select ARM_DMA_USE_IOMMU
  iommu/exynos: Use proper readl/writel register interface
  iommu/exynos: Pointers are nto physical addresses
  dts: mt8173: Add iommu/smi nodes for mt8173
  iommu/mediatek: Add mt8173 IOMMU driver
  memory: mediatek: Add SMI driver
  dt-bindings: mediatek: Add smi dts binding
  dt-bindings: iommu: Add binding for mediatek IOMMU
  iommu/ipmmu-vmsa: Use ARCH_RENESAS
  iommu/exynos: Support multiple attach_device calls
  iommu/exynos: Add Maintainers entry for Exynos SYSMMU driver
  iommu/exynos: Add support for v5 SYSMMU
  iommu/exynos: Update device tree documentation
  iommu/exynos: Add support for SYSMMU controller with bogus version reg
  ...
 2016-03-22 11:57:43 -07:00
Sekhar Nori
9188269a2e Revert "PCI: dra7xx: Mark driver as broken" 
Revert 5c3b99d057 ("PCI: dra7xx: Mark driver as broken").

1c96bee4df ("ARM: DRA7: hwmod: Add custom reset handler for PCIeSS")
added support to de-assert PCIe reset, so DRA7x PCIe is not broken anymore.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2016-03-22 07:50:11 -05:00
Himanshu Madhani
5e47f1985d target: Fix target_release_cmd_kref shutdown comp leak 
This patch fixes an active I/O shutdown bug for fabric
drivers using target_wait_for_sess_cmds(), where se_cmd
descriptor shutdown would result in hung tasks waiting
indefinitely for se_cmd->cmd_wait_comp to complete().

To address this bug, drop the incorrect list_del_init()
usage in target_wait_for_sess_cmds() and always complete()
during se_cmd target_release_cmd_kref() put, in order to
let caller invoke the final fabric release callback
into se_cmd->se_tfo->release_cmd() code.

Reported-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Tested-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
 2016-03-22 00:23:08 -07:00
Linus Torvalds
968f3e374f Merge branch 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 
Pull btrfs updates from Chris Mason:
 "We have a good sized cleanup of our internal read ahead code, and the
  first series of commits from Chandan to enable PAGE_SIZE > sectorsize

  Otherwise, it's a normal series of cleanups and fixes, with many
  thanks to Dave Sterba for doing most of the patch wrangling this time"

* 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (82 commits)
  btrfs: make sure we stay inside the bvec during __btrfs_lookup_bio_sums
  btrfs: Fix misspellings in comments.
  btrfs: Print Warning only if ENOSPC_DEBUG is enabled
  btrfs: scrub: silence an uninitialized variable warning
  btrfs: move btrfs_compression_type to compression.h
  btrfs: rename btrfs_print_info to btrfs_print_mod_info
  Btrfs: Show a warning message if one of objectid reaches its highest value
  Documentation: btrfs: remove usage specific information
  btrfs: use kbasename in btrfsic_mount
  Btrfs: do not collect ordered extents when logging that inode exists
  Btrfs: fix race when checking if we can skip fsync'ing an inode
  Btrfs: fix listxattrs not listing all xattrs packed in the same item
  Btrfs: fix deadlock between direct IO reads and buffered writes
  Btrfs: fix extent_same allowing destination offset beyond i_size
  Btrfs: fix file loss on log replay after renaming a file and fsync
  Btrfs: fix unreplayable log after snapshot delete + parent dir fsync
  Btrfs: fix lockdep deadlock warning due to dev_replace
  btrfs: drop unused argument in btrfs_ioctl_get_supported_features
  btrfs: add GET_SUPPORTED_FEATURES to the control device ioctls
  btrfs: change max_inline default to 2048
  ...
 2016-03-21 18:12:42 -07:00
Linus Torvalds
e531cdf50a MMC core: 
- Fix ABI regression of MMC BLK ioctl
  - Remove the unused MMC_DATA_STREAM flag
  - Enable asynchronous system PM for the host device
  - Minor fixes and clean-ups
 
 SDHCI host:
 Throughout the years, the numbers of SDHCI variants have increased and so
 has also the numbers of SDHCI callbacks/quirks. The purpose of these
 callbacks/quirks were to enable SDHCI to deal with variant specific
 requirements, but unfortunate this method didn't scale. Instead we have
 ended up with a mess. Not only did the code become suboptimal but also
 highly fragile.
 
 Lately many discussions of how to move forward with SDHCI has taken place
 at the MMC mailing list. Step by step, we aim to turn SDHCI's common code
 into a set of library functions. This will enable for optimizations and
 allow some of the existing callbacks/quirks to be removed, which also
 should help to make the code less fragile.
 
 Therefore I am also really pleased to announce that Adrian Hunter (Intel)
 has volunteered to step in as the maintainer for SDHCI.
 
 Future wise, I hope the community around SDHCI will continue to grow and
 that this release cycle can be the starting point of moving SDHCI into a
 better shape. As a matter of fact, already in this cycle the re-factoring
 has begun, but of course there are also fixes and new features included.
 Some highlights:
 
  - sdhci-iproc: Add support for Broadcom's BCM2835 eMMC IP
  - sdhci-acpi: Add support for QCOM controllers
  - sdhci-pic32: Add new SDHCI variant for PIC32MZDA
 
 Other hosts:
  - atmel-mci: Fix a NULL pointer dereference
  - mediatek: Add SD write-protect support
  - mmc_spi: Fix card detect in GPIO case
  - tmio/sdhi: Add r8a7795 support
  - tmio/sdhi: Some fixes and clean-ups
  - dw_mmc: Add HW reset support
  - dw_mmc: Some fixes and clean-ups
  - sunxi: Add support for MMC DDR52 mode
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Merge tag 'mmc-v4.6' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
      - Fix ABI regression of MMC BLK ioctl
      - Remove the unused MMC_DATA_STREAM flag
      - Enable asynchronous system PM for the host device
      - Minor fixes and clean-ups

  SDHCI host:
     Throughout the years, the numbers of SDHCI variants have increased
     and so has also the numbers of SDHCI callbacks/quirks.  The purpose
     of these callbacks/quirks were to enable SDHCI to deal with variant
     specific requirements, but unfortunate this method didn't scale.
     Instead we have ended up with a mess.  Not only did the code become
     suboptimal but also highly fragile.

     Lately many discussions of how to move forward with SDHCI has taken
     place at the MMC mailing list.  Step by step, we aim to turn
     SDHCI's common code into a set of library functions.  This will
     enable for optimizations and allow some of the existing callbacks
     and quirks to be removed, which also should help to make the code
     less fragile.

     Therefore I am also really pleased to announce that Adrian Hunter
     (Intel) has volunteered to step in as the maintainer for SDHCI.

     Future wise, I hope the community around SDHCI will continue to
     grow and that this release cycle can be the starting point of
     moving SDHCI into a better shape.  As a matter of fact, already in
     this cycle the re-factoring has begun, but of course there are also
     fixes and new features included.  Some highlights:

      - sdhci-iproc: Add support for Broadcom's BCM2835 eMMC IP
      - sdhci-acpi: Add support for QCOM controllers
      - sdhci-pic32: Add new SDHCI variant for PIC32MZDA

  Other hosts:
      - atmel-mci: Fix a NULL pointer dereference
      - mediatek: Add SD write-protect support
      - mmc_spi: Fix card detect in GPIO case
      - tmio/sdhi: Add r8a7795 support
      - tmio/sdhi: Some fixes and clean-ups
      - dw_mmc: Add HW reset support
      - dw_mmc: Some fixes and clean-ups
      - sunxi: Add support for MMC DDR52 mode"

* tag 'mmc-v4.6' of git://git.linaro.org/people/ulf.hansson/mmc: (123 commits)
  mmc: sdhci-of-at91: fix wake-up issue when using runtime pm
  mmc: sdhci-pci: Do not set DMA mask in enable_dma()
  mmc: sdhci-acpi: Remove enable_dma() hook
  mmc: sdhci: Set DMA mask when adding host
  mmc: block: fix ABI regression of mmc_blk_ioctl
  mmc: atmel-mci: Check pdata for NULL before dereferencing it at DMA config
  mmc: core: remove redundant memset of sdio_read_cccr
  mmc: core: remove redundant memset of mmc_decode_cid
  mmc: of_mmc_spi: fix unused warning
  mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan
  mmc: sdhci-of-arasan: fix missing sdhci_pltfm_free for err handling
  mmc: sdhci-of-arasan: remove disable clk_ahb from sdhci_arasan_resume
  Documentation: bindings: add description of phy for sdhci-of-arasan
  mmc: sdhci: Fix override of timeout clk wrt max_busy_timeout
  mmc: mmci: Remove unnecessary header file
  mmc: sdhci-acpi: add QCOM controllers
  mmc: tegra: implement memcomp pad calibration
  mmc: mediatek: Use mmc_regulator_set_vqmmc in start_signal_voltage_switch
  mmc: mediatek: Change signal voltage error to dev_dbg()
  mmc: sh_mmcif, tmio: Use ARCH_RENESAS
  ...
 2016-03-21 14:35:52 -07:00
Linus Torvalds
4526b710c1 Merge tag 'md/4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 
Pull MD updates from Shaohua Li:
 "This update mainly fixes bugs.

   - a raid5 discard related fix from Jes
   - a MD multipath bio clone fix from Ming
   - raid1 error handling deadlock fix from Nate and corresponding
     raid10 fix from myself
   - a raid5 stripe batch fix from Neil
   - a patch from Sebastian to avoid unnecessary uevent
   - several cleanup/debug patches"

* tag 'md/4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md/raid5: Cleanup cpu hotplug notifier
  raid10: include bio_end_io_list in nr_queued to prevent freeze_array hang
  raid1: include bio_end_io_list in nr_queued to prevent freeze_array hang
  md: fix typos for stipe
  md/bitmap: remove redundant return in bitmap_checkpage
  md/raid1: remove unnecessary BUG_ON
  md: multipath: don't hardcopy bio in .make_request path
  md/raid5: output stripe state for debug
  md/raid5: preserve STRIPE_PREREAD_ACTIVE in break_stripe_batch_list
  Update MD git tree URL
  md/bitmap: remove redundant check
  MD: warn for potential deadlock
  md: Drop sending a change uevent when stopping
  RAID5: revert e9e4c377e2 to fix a livelock
  RAID5: check_reshape() shouldn't call mddev_suspend
  md/raid5: Compare apples to apples (or sectors to sectors)
 2016-03-21 14:18:10 -07:00
Linus Torvalds
770c4c1119 [media] vsp1: use proper dma alloc/free functions 
I noticed this while merging the drm tree and checking for stragglers:
the vsp1 driver still used dma_[alloc|free]_writecombine() that got
renamed in commit f6e45661f9 ("dma, mm/pat: Rename
dma_*_writecombine() to dma_*_wc()")

I should have noticed back in the media merge (commit bace3db5da), but
better late than never.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-03-21 13:49:01 -07:00
Linus Torvalds
266c73b777 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 
Pull drm updates from Dave Airlie:
 "This is the main drm pull request for 4.6 kernel.

  Overall the coolest thing here for me is the nouveau maxwell signed
  firmware support from NVidia, it's taken a long while to extract this
  from them.

  I also wish the ARM vendors just designed one set of display IP, ARM
  display block proliferation is definitely increasing.

  Core:
     - drm_event cleanups
     - Internal API cleanup making mode_fixup optional.
     - Apple GMUX vga switcheroo support.
     - DP AUX testing interface

  Panel:
     - Refactoring of DSI core for use over more transports.

  New driver:
     - ARM hdlcd driver

  i915:
     - FBC/PSR (framebuffer compression, panel self refresh) enabled by default.
     - Ongoing atomic display support work
     - Ongoing runtime PM work
     - Pixel clock limit checks
     - VBT DSI description support
     - GEM fixes
     - GuC firmware scheduler enhancements

  amdkfd:
     - Deferred probing fixes to avoid make file or link ordering.

  amdgpu/radeon:
     - ACP support for i2s audio support.
     - Command Submission/GPU scheduler/GPUVM optimisations
     - Initial GPU reset support for amdgpu

  vmwgfx:
     - Support for DX10 gen mipmaps
     - Pageflipping and other fixes.

  exynos:
     - Exynos5420 SoC support for FIMD
     - Exynos5422 SoC support for MIPI-DSI

  nouveau:
     - GM20x secure boot support - adds acceleration for Maxwell GPUs.
     - GM200 support
     - GM20B clock driver support
     - Power sensors work

  etnaviv:
     - Correctness fixes for GPU cache flushing
     - Better support for i.MX6 systems.

  imx-drm:
     - VBlank IRQ support
     - Fence support
     - OF endpoint support

  msm:
     - HDMI support for 8996 (snapdragon 820)
     - Adreno 430 support
     - Timestamp queries support

  virtio-gpu:
     - Fixes for Android support.

  rockchip:
     - Add support for Innosilicion HDMI

  rcar-du:
     - Support for 4 crtcs
     - R8A7795 support
     - RCar Gen 3 support

  omapdrm:
     - HDMI interlace output support
     - dma-buf import support
     - Refactoring to remove a lot of legacy code.

  tilcdc:
     - Rewrite of pageflipping code
     - dma-buf support
     - pinctrl support

  vc4:
     - HDMI modesetting bug fixes
     - Significant 3D performance improvement.

  fsl-dcu (FreeScale):
     - Lots of fixes

  tegra:
     - Two small fixes

  sti:
     - Atomic support for planes
     - Improved HDMI support"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1063 commits)
  drm/amdgpu: release_pages requires linux/pagemap.h
  drm/sti: restore mode_fixup callback
  drm/amdgpu/gfx7: add MTYPE definition
  drm/amdgpu: removing BO_VAs shouldn't be interruptible
  drm/amd/powerplay: show uvd/vce power gate enablement for tonga.
  drm/amd/powerplay: show uvd/vce power gate info for fiji
  drm/amdgpu: use sched fence if possible
  drm/amdgpu: move ib.fence to job.fence
  drm/amdgpu: give a fence param to ib_free
  drm/amdgpu: include the right version of gmc header files for iceland
  drm/radeon: fix indentation.
  drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
  drm/amdgpu: switch back to 32bit hw fences v2
  drm/amdgpu: remove amdgpu_fence_is_signaled
  drm/amdgpu: drop the extra fence range check v2
  drm/amdgpu: signal fences directly in amdgpu_fence_process
  drm/amdgpu: cleanup amdgpu_fence_wait_empty v2
  drm/amdgpu: keep all fences in an RCU protected array v2
  drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
  drm/amdgpu: RCU protected amd_sched_fence_release
  ...
 2016-03-21 13:48:00 -07:00
Linus Torvalds
2c856e14da arm[64] perf updates for 4.6: 
- Initial support for ARMv8.1 CPU PMUs
 
 - Support for the CPU PMU in Cavium ThunderX
 
 - CPU PMU support for systems running 32-bit Linux in secure mode
 
 - Support for the system PMU in ARM CCI-550 (Cache Coherent Interconnect)
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Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm[64] perf updates from Will Deacon:
 "I have another mixed bag of ARM-related perf patches here.

  It's about 25% CPU and 75% interconnect, but with drivers/bus/
  languishing without an obvious maintainer or tree, Olof and I agreed
  to keep all of these PMU patches together.  I suspect a whole load of
  code from drivers/bus/arm-* can be moved under drivers/perf/, so
  that's on the radar for the future.

  Summary:

   - Initial support for ARMv8.1 CPU PMUs

   - Support for the CPU PMU in Cavium ThunderX

   - CPU PMU support for systems running 32-bit Linux in secure mode

   - Support for the system PMU in ARM CCI-550 (Cache Coherent Interconnect)"

* tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (26 commits)
  drivers/perf: arm_pmu: avoid NULL dereference when not using devicetree
  arm64: perf: Extend ARMV8_EVTYPE_MASK to include PMCR.LC
  arm-cci: remove unused variable
  arm-cci: don't return value from void function
  arm-cci: make private functions static
  arm-cci: CoreLink CCI-550 PMU driver
  arm-cci500: Rearrange PMU driver for code sharing with CCI-550 PMU
  arm-cci: CCI-500: Work around PMU counter writes
  arm-cci: Provide hook for writing to PMU counters
  arm-cci: Add helper to enable PMU without synchornising counters
  arm-cci: Add routines to save/restore all counters
  arm-cci: Get the status of a counter
  arm-cci: write_counter: Remove redundant check
  arm-cci: Delay PMU counter writes to pmu::pmu_enable
  arm-cci: Refactor CCI PMU enable/disable methods
  arm-cci: Group writes to counter
  arm-cci: fix handling cpumask_any_but return value
  arm-cci: simplify sysfs attr handling
  drivers/perf: arm_pmu: implement CPU_PM notifier
  arm64: dts: Add Cavium ThunderX specific PMU
  ...
 2016-03-21 13:14:16 -07:00
Linus Torvalds
d34687ab97 ARC updates for 4.6-rc1 
- Big Endian io accessors fix [Lada]
 - Spellos fixes [Adam]
 - Fix for DW GMAC breakage [Alexey]
 - Making DMA API 64-bit ready
 - Shutting up -Wmaybe-uninitialized noise for ARC
 - Other minor fixes here and there, comments update
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Merge tag 'arc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC architecture updates from Vineet Gupta:
 - Big Endian io accessors fix [Lada]
 - Spellos fixes [Adam]
 - Fix for DW GMAC breakage [Alexey]
 - Making DMA API 64-bit ready
 - Shutting up -Wmaybe-uninitialized noise for ARC
 - Other minor fixes here and there, comments update

* tag 'arc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (21 commits)
  ARCv2: ioremap: Support dynamic peripheral address space
  ARC: dma: reintroduce platform specific dma<->phys
  ARC: dma: ioremap: use phys_addr_t consistenctly in code paths
  ARC: dma: pass_phys() not sg_virt() to cache ops
  ARC: dma: non-coherent pages need V-P mapping if in HIGHMEM
  ARC: dma: Use struct page based page allocator helpers
  ARC: build: Turn off -Wmaybe-uninitialized for ARC gcc 4.8
  ARC: [plat-axs10x] add Ethernet PHY description in .dts
  arc: use of_platform_default_populate() to populate default bus
  ARC: thp: unbork !CONFIG_TRANSPARENT_HUGEPAGE build
  arc: [plat-nsimosci*] use ezchip network driver
  ARCv2: LLSC: software backoff is NOT needed starting HS2.1c
  ARC: mm: Use virt_to_pfn() for addr >> PAGE_SHIFT pattern
  ARC: [plat-nsim] document ranges
  ARC: build: Better way to detect ISA compatible toolchain
  ARCv2: Allow enabling PAE40 w/o HIGHMEM
  ARC: [BE] readl()/writel() to work in Big Endian CPU configuration
  ARC: [*defconfig] No need to specify CONFIG_CROSS_COMPILE
  ARC: [BE] Select correct CROSS_COMPILE prefix
  ARC: bitops: Remove non relevant comments
  ...
 2016-03-21 13:00:46 -07:00
Linus Torvalds
77d913178c Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 
Pull UDF and quota updates from Jan Kara:
 "This contains a rewrite of UDF handling of filename encoding to fix
  remaining overflow issues from Andrew Gabbasov and quota changes to
  support new Q_[X]GETNEXTQUOTA quotactl for VFS quota formats"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: Fix possible GPF due to uninitialised pointers
  ext4: Make Q_GETNEXTQUOTA work for quota in hidden inodes
  quota: Forbid Q_GETQUOTA and Q_GETNEXTQUOTA for frozen filesystem
  quota: Fix possible races during quota loading
  ocfs2: Implement get_next_id()
  quota_v2: Implement get_next_id() for V2 quota format
  quota: Add support for ->get_nextdqblk() for VFS quota
  udf: Merge linux specific translation into CS0 conversion function
  udf: Remove struct ustr as non-needed intermediate storage
  udf: Use separate buffer for copying split names
  udf: Adjust UDF_NAME_LEN to better reflect actual restrictions
  udf: Join functions for UTF8 and NLS conversions
  udf: Parameterize output length in udf_put_filename
  quota: Allow Q_GETQUOTA for frozen filesystem
  quota: Fixup comments about return value of Q_[X]GETNEXTQUOTA
 2016-03-21 12:22:37 -07:00
Linus Torvalds
53d2e6976b xfs: Changes for 4.6-rc1 
Change summary:
 o error propagation for direct IO failures fixes for both XFS and ext4
 o new quota interfaces and XFS implementation for iterating all the quota IDs
   in the filesystem
 o locking fixes for real-time device extent allocation
 o reduction of duplicate information in the xfs and vfs inode, saving roughly
   100 bytes of memory per cached inode.
 o buffer flag cleanup
 o rework of the writepage code to use the generic write clustering mechanisms
 o several fixes for inode flag based DAX enablement
 o rework of remount option parsing
 o compile time verification of on-disk format structure sizes
 o delayed allocation reservation overrun fixes
 o lots of little error handling fixes
 o small memory leak fixes
 o enable xfsaild freezing again
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Merge tag 'xfs-for-linus-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs updates from Dave Chinner:
 "There's quite a lot in this request, and there's some cross-over with
  ext4, dax and quota code due to the nature of the changes being made.

  As for the rest of the XFS changes, there are lots of little things
  all over the place, which add up to a lot of changes in the end.

  The major changes are that we've reduced the size of the struct
  xfs_inode by ~100 bytes (gives an inode cache footprint reduction of
  >10%), the writepage code now only does a single set of mapping tree
  lockups so uses less CPU, delayed allocation reservations won't
  overrun under random write loads anymore, and we added compile time
  verification for on-disk structure sizes so we find out when a commit
  or platform/compiler change breaks the on disk structure as early as
  possible.

  Change summary:

   - error propagation for direct IO failures fixes for both XFS and
     ext4
   - new quota interfaces and XFS implementation for iterating all the
     quota IDs in the filesystem
   - locking fixes for real-time device extent allocation
   - reduction of duplicate information in the xfs and vfs inode, saving
     roughly 100 bytes of memory per cached inode.
   - buffer flag cleanup
   - rework of the writepage code to use the generic write clustering
     mechanisms
   - several fixes for inode flag based DAX enablement
   - rework of remount option parsing
   - compile time verification of on-disk format structure sizes
   - delayed allocation reservation overrun fixes
   - lots of little error handling fixes
   - small memory leak fixes
   - enable xfsaild freezing again"

* tag 'xfs-for-linus-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (66 commits)
  xfs: always set rvalp in xfs_dir2_node_trim_free
  xfs: ensure committed is initialized in xfs_trans_roll
  xfs: borrow indirect blocks from freed extent when available
  xfs: refactor delalloc indlen reservation split into helper
  xfs: update freeblocks counter after extent deletion
  xfs: debug mode forced buffered write failure
  xfs: remove impossible condition
  xfs: check sizes of XFS on-disk structures at compile time
  xfs: ioends require logically contiguous file offsets
  xfs: use named array initializers for log item dumping
  xfs: fix computation of inode btree maxlevels
  xfs: reinitialise per-AG structures if geometry changes during recovery
  xfs: remove xfs_trans_get_block_res
  xfs: fix up inode32/64 (re)mount handling
  xfs: fix format specifier , should be %llx and not %llu
  xfs: sanitize remount options
  xfs: convert mount option parsing to tokens
  xfs: fix two memory leaks in xfs_attr_list.c error paths
  xfs: XFS_DIFLAG2_DAX limited by PAGE_SIZE
  xfs: dynamically switch modes when XFS_DIFLAG2_DAX is set/cleared
  ...
 2016-03-21 11:53:05 -07:00
Linus Torvalds
d407574e79 Merge tag 'for-f2fs-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs 
Pull f2fs updates from Jaegeuk Kim:
 "New Features:
   - uplift filesystem encryption into fs/crypto/
   - give sysfs entries to control memroy consumption

  Enhancements:
   - aio performance by preallocating blocks in ->write_iter
   - use writepages lock for only WB_SYNC_ALL
   - avoid redundant inline_data conversion
   - enhance forground GC
   - use wait_for_stable_page as possible
   - speed up SEEK_DATA and fiiemap

  Bug Fixes:
   - corner case in terms of -ENOSPC for inline_data
   - hung task caused by long latency in shrinker
   - corruption between atomic write and f2fs_trace_pid
   - avoid garbage lengths in dentries
   - revoke atomicly written pages if an error occurs

  In addition, there are various minor bug fixes and clean-ups"

* tag 'for-f2fs-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
  f2fs: submit node page write bios when really required
  f2fs: add missing argument to f2fs_setxattr stub
  f2fs: fix to avoid unneeded unlock_new_inode
  f2fs: clean up opened code with f2fs_update_dentry
  f2fs: declare static functions
  f2fs: use cryptoapi crc32 functions
  f2fs: modify the readahead method in ra_node_page()
  f2fs crypto: sync ext4_lookup and ext4_file_open
  fs crypto: move per-file encryption from f2fs tree to fs/crypto
  f2fs: mutex can't be used by down_write_nest_lock()
  f2fs: recovery missing dot dentries in root directory
  f2fs: fix to avoid deadlock when merging inline data
  f2fs: introduce f2fs_flush_merged_bios for cleanup
  f2fs: introduce f2fs_update_data_blkaddr for cleanup
  f2fs crypto: fix incorrect positioning for GCing encrypted data page
  f2fs: fix incorrect upper bound when iterating inode mapping tree
  f2fs: avoid hungtask problem caused by losing wake_up
  f2fs: trace old block address for CoWed page
  f2fs: try to flush inode after merging inline data
  f2fs: show more info about superblock recovery
  ...
 2016-03-21 11:03:02 -07:00
Linus Torvalds
5518f66b5a Merge branch 'for-4.6-ns' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cgroup namespace support from Tejun Heo:
 "These are changes to implement namespace support for cgroup which has
  been pending for quite some time now.  It is very straight-forward and
  only affects what part of cgroup hierarchies are visible.

  After unsharing, mounting a cgroup fs will be scoped to the cgroups
  the task belonged to at the time of unsharing and the cgroup paths
  exposed to userland would be adjusted accordingly"

* 'for-4.6-ns' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: fix and restructure error handling in copy_cgroup_ns()
  cgroup: fix alloc_cgroup_ns() error handling in copy_cgroup_ns()
  Add FS_USERNS_FLAG to cgroup fs
  cgroup: Add documentation for cgroup namespaces
  cgroup: mount cgroupns-root when inside non-init cgroupns
  kernfs: define kernfs_node_dentry
  cgroup: cgroup namespace setns support
  cgroup: introduce cgroup namespaces
  sched: new clone flag CLONE_NEWCGROUP for cgroup namespace
  kernfs: Add API to generate relative kernfs path
 2016-03-21 10:05:13 -07:00
Miklos Szeredi
6986c012fa ovl: cleanup unused var in rename2 
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:46 +01:00
Miklos Szeredi
56656e960b ovl: rename is_merge to is_lowest 
The 'is_merge' is an historical naming from when only a single lower layer
could exist.  With the introduction of multiple lower layers the meaning of
this flag was changed to mean only the "lowest layer" (while all lower
layers were being merged).

So now 'is_merge' is inaccurate and hence renaming to 'is_lowest'

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:46 +01:00
Sohom Bhattacharjee
f134f24465 ovl: fixed coding style warning 
This patch fixes a newline warning found by the checkpatch.pl tool

Signed-off-by: Sohom-Bhattacharjee <soham.bhattacharjee15@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:45 +01:00
Vivek Goyal
45aebeaf4f ovl: Ensure upper filesystem supports d_type 
In some instances xfs has been created with ftype=0 and there if a file
on lower fs is removed, overlay leaves a whiteout in upper fs but that
whiteout does not get filtered out and is visible to overlayfs users.

And reason it does not get filtered out because upper filesystem does
not report file type of whiteout as DT_CHR during iterate_dir().

So it seems to be a requirement that upper filesystem support d_type for
overlayfs to work properly. Do this check during mount and fail if d_type
is not supported.

Suggested-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:45 +01:00
David Howells
fb5bb2c3b7 ovl: Warn on copy up if a process has a R/O fd open to the lower file 
Print a warning when overlayfs copies up a file if the process that
triggered the copy up has a R/O fd open to the lower file being copied up.

This can help catch applications that do things like the following:

	fd1 = open("foo", O_RDONLY);
	fd2 = open("foo", O_RDWR);

where they expect fd1 and fd2 to refer to the same file - which will no
longer be the case post-copy up.

With this patch, the following commands:

	bash 5</mnt/a/foo128
	6<>/mnt/a/foo128

assuming /mnt/a/foo128 to be an un-copied up file on an overlay will
produce the following warning in the kernel log:

	overlayfs: Copying up foo129, but open R/O on fd 5 which will cease
	to be coherent [pid=3818 bash]

This is enabled by setting:

	/sys/module/overlay/parameters/check_copy_up

to 1.

The warnings are ratelimited and are also limited to one warning per file -
assuming the copy up completes in each case.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:45 +01:00
Konstantin Khlebnikov
07f2af7bfd ovl: honor flag MS_SILENT at mount 
This patch hides error about missing lowerdir if MS_SILENT is set.

We use mount(NULL, "/", "overlay", MS_SILENT, NULL) for testing support of
overlayfs: syscall returns -ENODEV if it's not supported. Otherwise kernel
automatically loads module and returns -EINVAL because lowerdir is missing.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:45 +01:00
Miklos Szeredi
11f3710417 ovl: verify upper dentry before unlink and rename 
Unlink and rename in overlayfs checked the upper dentry for staleness by
verifying upper->d_parent against upperdir.  However the dentry can go
stale also by being unhashed, for example.

Expand the verification to actually look up the name again (under parent
lock) and check if it matches the upper dentry.  This matches what the VFS
does before passing the dentry to filesytem's unlink/rename methods, which
excludes any inconsistency caused by overlayfs.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2016-03-21 17:31:44 +01:00
Takashi Iwai
c64c1437af ALSA: hda - Fix missing ELD update at unplugging 
i915 get_eld ops may return an error when no encoder is connected, and
currently we regard the error as fatal and skip the whole ELD
handling.  This ended up with the missing ELD update at unplugging.

This patch fixes the issue by treating the error as the unplugged
state, instead of skipping the rest.

Reported-by: Libin Yang <libin.yang@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.5
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2016-03-21 16:25:07 +01:00
Paul Gortmaker
e01dc539df drivers/xen: make platform-pci.c explicitly non-modular 
The Kconfig currently controlling compilation of this code is:

arch/x86/xen/Kconfig:config XEN_PVHVM
arch/x86/xen/Kconfig:   def_bool y

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.

In removing "module" from the init fcn name, we observe a namespace
collision with the probe function, so we use "probe" in the name of
the probe function, and "init" in the registration fcn, as per
standard convention, as suggested by Stefano.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
 2016-03-21 15:14:04 +00:00
Paul Gortmaker
46894f17af drivers/xen: make sys-hypervisor.c explicitly non-modular 
The Kconfig currently controlling compilation of this code is:

config XEN_SYS_HYPERVISOR
       bool "Create xen entries under /sys/hypervisor"

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.  However
one could argue that fs_initcall() might make more sense here.

This change means that the one line function xen_properties_destroy()
has only one user left, and since that is inside an #ifdef, we just
manually inline it there vs. adding more ifdeffery around the function
to avoid compile warnings about "defined but not used".

In order to be consistent we also manually inline the other _destroy
functions that are also just one line sysfs functions calls with only
one call site remaing, even though they wouldn't need #ifdeffery.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
 2016-03-21 15:14:03 +00:00
Paul Gortmaker
ab1241a1fc drivers/xen: make xenbus_dev_[front/back]end explicitly non-modular 
The Makefile / Kconfig currently controlling compilation here is:

obj-y   += xenbus_dev_frontend.o
[...]
obj-$(CONFIG_XEN_BACKEND) += xenbus_dev_backend.o

...with:

drivers/xen/Kconfig:config XEN_BACKEND
drivers/xen/Kconfig:    bool "Backend driver support"

...meaning that they currently are not being built as modules by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.

We also delete the MODULE_LICENSE tag since all that information
is already contained at the top of the file in the comments.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
 2016-03-21 15:13:55 +00:00
Paul Gortmaker
106eaa8e6e drivers/xen: make [xen-]ballon explicitly non-modular 
The Makefile / Kconfig currently controlling compilation here is:

obj-y   += grant-table.o features.o balloon.o manage.o preempt.o time.o
[...]
obj-$(CONFIG_XEN_BALLOON)               += xen-balloon.o

...with:

drivers/xen/Kconfig:config XEN_BALLOON
drivers/xen/Kconfig:    bool "Xen memory balloon driver"

...meaning that they currently are not being built as modules by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

In doing so we uncover two implict includes that were obtained
by module.h having such a wide include scope itself:

In file included from drivers/xen/xen-balloon.c:41:0:
include/xen/balloon.h:26:51: warning: ‘struct page’ declared inside parameter list [enabled by default]
 int alloc_xenballooned_pages(int nr_pages, struct page **pages);
                                                   ^
include/xen/balloon.h: In function ‘register_xen_selfballooning’:
include/xen/balloon.h:35:10: error: ‘ENOSYS’ undeclared (first use in this function)
  return -ENOSYS;
          ^

This is fixed by adding mm-types.h and errno.h to the list.

We also delete the MODULE_LICENSE tags since all that information
is already contained at the top of the file in the comments.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
 2016-03-21 15:13:44 +00:00
Paul Gortmaker
59aa56bf2a xen: audit usages of module.h ; remove unnecessary instances 
Code that uses no modular facilities whatsoever should not be
sourcing module.h at all, since that header drags in a bunch
of other headers with it.

Similarly, code that is not explicitly using modular facilities
like module_init() but only is declaring module_param setup
variables should be using moduleparam.h and not the larger
module.h file for that.

In making this change, we also uncover an implicit use of BUG()
in inline fcns within arch/arm/include/asm/xen/hypercall.h so
we explicitly source <linux/bug.h> for that file now.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
 2016-03-21 15:13:32 +00:00
Chris Mason
389f239c53 btrfs: make sure we stay inside the bvec during __btrfs_lookup_bio_sums 
Commit c40a3d38af (Btrfs: Compute and look up csums based on
sectorsized blocks) changes around how we walk the bios while looking up
crcs.  There's an inner loop that is jumping to the next bvec based on
sectors and before it derefs the next bvec, it needs to make sure we're
still in the bio.

In this case, the outer loop would have decided to stop moving forward
too, and the bvec deref is never actually used for anything.  But
CONFIG_DEBUG_PAGEALLOC catches it because we're outside our bio.

Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
 2016-03-21 07:25:44 -07:00
Joerg Roedel
70cf769c5b Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'arm/mediatek', 'arm/io-pgtable', 'arm/renesas' and 'core' into next 2016-03-21 14:58:47 +01:00
Tero Roponen
30b5b8808c PCI: Restore inclusion of pci/hotplug Kconfig 
Commit e7e127e3c7 ("PCI: Include pci/hotplug Kconfig directly from
pci/Kconfig") added one line to pci/Kconfig.  However, for some mysterious
reason it isn't there now, even though there are no traces of removing it
in the git log.

I detected this issue when 'make oldconfig' removed all the options that
depended on HOTPLUG_PCI.

[bhelgaas: I botched the cfeb8139a1 ("Merge branch 'pci/host-hv' into
next") merge.  "git diff cfeb8139a1fb^ cfeb8139a1fb" shows a conflict in
drivers/pci/Kconfig, and I mistakenly dropped the hotplug/Kconfig piece.]
Signed-off-by: Tero Roponen <tero.roponen@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2016-03-21 07:33:34 -05:00
Will Deacon
357b565d5d drivers/perf: arm_pmu: avoid NULL dereference when not using devicetree 
Commit c6b90653f1 ("drivers/perf: arm_pmu: make info messages more
verbose") breaks booting on systems where the PMU is probed without
devicetree (e.g by inspecting the MIDR of the current CPU). In this case,
pdev->dev.of_node is NULL and we shouldn't try to access its ->fullname
field when printing probe error messages.

This patch fixes the probing code to use of_node_full_name, which safely
handles NULL nodes and removes the "Error %i" part of the string, since
it's not terribly useful.

Reported-by: Guenter Roeck <private@roeck-us.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2016-03-21 11:36:17 +00:00
Stephen Rothwell
568d7c764a drm/amdgpu: release_pages requires linux/pagemap.h 
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Christian König <christian.koenig@amd.com.
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2016-03-21 13:22:52 +10:00
Linus Torvalds
643ad15d47 Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 protection key support from Ingo Molnar:
 "This tree adds support for a new memory protection hardware feature
  that is available in upcoming Intel CPUs: 'protection keys' (pkeys).

  There's a background article at LWN.net:

      https://lwn.net/Articles/643797/

  The gist is that protection keys allow the encoding of
  user-controllable permission masks in the pte.  So instead of having a
  fixed protection mask in the pte (which needs a system call to change
  and works on a per page basis), the user can map a (handful of)
  protection mask variants and can change the masks runtime relatively
  cheaply, without having to change every single page in the affected
  virtual memory range.

  This allows the dynamic switching of the protection bits of large
  amounts of virtual memory, via user-space instructions.  It also
  allows more precise control of MMU permission bits: for example the
  executable bit is separate from the read bit (see more about that
  below).

  This tree adds the MM infrastructure and low level x86 glue needed for
  that, plus it adds a high level API to make use of protection keys -
  if a user-space application calls:

        mmap(..., PROT_EXEC);

  or

        mprotect(ptr, sz, PROT_EXEC);

  (note PROT_EXEC-only, without PROT_READ/WRITE), the kernel will notice
  this special case, and will set a special protection key on this
  memory range.  It also sets the appropriate bits in the Protection
  Keys User Rights (PKRU) register so that the memory becomes unreadable
  and unwritable.

  So using protection keys the kernel is able to implement 'true'
  PROT_EXEC on x86 CPUs: without protection keys PROT_EXEC implies
  PROT_READ as well.  Unreadable executable mappings have security
  advantages: they cannot be read via information leaks to figure out
  ASLR details, nor can they be scanned for ROP gadgets - and they
  cannot be used by exploits for data purposes either.

  We know about no user-space code that relies on pure PROT_EXEC
  mappings today, but binary loaders could start making use of this new
  feature to map binaries and libraries in a more secure fashion.

  There is other pending pkeys work that offers more high level system
  call APIs to manage protection keys - but those are not part of this
  pull request.

  Right now there's a Kconfig that controls this feature
  (CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS) that is default enabled
  (like most x86 CPU feature enablement code that has no runtime
  overhead), but it's not user-configurable at the moment.  If there's
  any serious problem with this then we can make it configurable and/or
  flip the default"

* 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
  x86/mm/pkeys: Fix mismerge of protection keys CPUID bits
  mm/pkeys: Fix siginfo ABI breakage caused by new u64 field
  x86/mm/pkeys: Fix access_error() denial of writes to write-only VMA
  mm/core, x86/mm/pkeys: Add execute-only protection keys support
  x86/mm/pkeys: Create an x86 arch_calc_vm_prot_bits() for VMA flags
  x86/mm/pkeys: Allow kernel to modify user pkey rights register
  x86/fpu: Allow setting of XSAVE state
  x86/mm: Factor out LDT init from context init
  mm/core, x86/mm/pkeys: Add arch_validate_pkey()
  mm/core, arch, powerpc: Pass a protection key in to calc_vm_flag_bits()
  x86/mm/pkeys: Actually enable Memory Protection Keys in the CPU
  x86/mm/pkeys: Add Kconfig prompt to existing config option
  x86/mm/pkeys: Dump pkey from VMA in /proc/pid/smaps
  x86/mm/pkeys: Dump PKRU with other kernel registers
  mm/core, x86/mm/pkeys: Differentiate instruction fetches
  x86/mm/pkeys: Optimize fault handling in access_error()
  mm/core: Do not enforce PKEY permissions on remote mm access
  um, pkeys: Add UML arch_*_access_permitted() methods
  mm/gup, x86/mm/pkeys: Check VMAs and PTEs for protection keys
  x86/mm/gup: Simplify get_user_pages() PTE bit handling
  ...
 2016-03-20 19:08:56 -07:00
Linus Torvalds
24b5e20f11 Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull EFI updates from Ingo Molnar:
 "The main changes are:

   - Use separate EFI page tables when executing EFI firmware code.
     This isolates the EFI context from the rest of the kernel, which
     has security and general robustness advantages.  (Matt Fleming)

   - Run regular UEFI firmware with interrupts enabled.  This is already
     the status quo under other OSs.  (Ard Biesheuvel)

   - Various x86 EFI enhancements, such as the use of non-executable
     attributes for EFI memory mappings.  (Sai Praneeth Prakhya)

   - Various arm64 UEFI enhancements.  (Ard Biesheuvel)

   - ... various fixes and cleanups.

  The separate EFI page tables feature got delayed twice already,
  because it's an intrusive change and we didn't feel confident about
  it - third time's the charm we hope!"

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
  x86/mm/pat: Fix boot crash when 1GB pages are not supported by the CPU
  x86/efi: Only map kernel text for EFI mixed mode
  x86/efi: Map EFI_MEMORY_{XP,RO} memory region bits to EFI page tables
  x86/mm/pat: Don't implicitly allow _PAGE_RW in kernel_map_pages_in_pgd()
  efi/arm*: Perform hardware compatibility check
  efi/arm64: Check for h/w support before booting a >4 KB granular kernel
  efi/arm: Check for LPAE support before booting a LPAE kernel
  efi/arm-init: Use read-only early mappings
  efi/efistub: Prevent __init annotations from being used
  arm64/vmlinux.lds.S: Handle .init.rodata.xxx and .init.bss sections
  efi/arm64: Drop __init annotation from handle_kernel_image()
  x86/mm/pat: Use _PAGE_GLOBAL bit for EFI page table mappings
  efi/runtime-wrappers: Run UEFI Runtime Services with interrupts enabled
  efi: Reformat GUID tables to follow the format in UEFI spec
  efi: Add Persistent Memory type name
  efi: Add NV memory attribute
  x86/efi: Show actual ending addresses in efi_print_memmap
  x86/efi/bgrt: Don't ignore the BGRT if the 'valid' bit is 0
  efivars: Use to_efivar_entry
  efi: Runtime-wrapper: Get rid of the rtc_lock spinlock
  ...
 2016-03-20 18:58:18 -07:00
Linus Torvalds
26660a4046 Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull 'objtool' stack frame validation from Ingo Molnar:
 "This tree adds a new kernel build-time object file validation feature
  (ONFIG_STACK_VALIDATION=y): kernel stack frame correctness validation.
  It was written by and is maintained by Josh Poimboeuf.

  The motivation: there's a category of hard to find kernel bugs, most
  of them in assembly code (but also occasionally in C code), that
  degrades the quality of kernel stack dumps/backtraces.  These bugs are
  hard to detect at the source code level.  Such bugs result in
  incorrect/incomplete backtraces most of time - but can also in some
  rare cases result in crashes or other undefined behavior.

  The build time correctness checking is done via the new 'objtool'
  user-space utility that was written for this purpose and which is
  hosted in the kernel repository in tools/objtool/.  The tool's (very
  simple) UI and source code design is shaped after Git and perf and
  shares quite a bit of infrastructure with tools/perf (which tooling
  infrastructure sharing effort got merged via perf and is already
  upstream).  Objtool follows the well-known kernel coding style.

  Objtool does not try to check .c or .S files, it instead analyzes the
  resulting .o generated machine code from first principles: it decodes
  the instruction stream and interprets it.  (Right now objtool supports
  the x86-64 architecture.)

  From tools/objtool/Documentation/stack-validation.txt:

   "The kernel CONFIG_STACK_VALIDATION option enables a host tool named
    objtool which runs at compile time.  It has a "check" subcommand
    which analyzes every .o file and ensures the validity of its stack
    metadata.  It enforces a set of rules on asm code and C inline
    assembly code so that stack traces can be reliable.

    Currently it only checks frame pointer usage, but there are plans to
    add CFI validation for C files and CFI generation for asm files.

    For each function, it recursively follows all possible code paths
    and validates the correct frame pointer state at each instruction.

    It also follows code paths involving special sections, like
    .altinstructions, __jump_table, and __ex_table, which can add
    alternative execution paths to a given instruction (or set of
    instructions).  Similarly, it knows how to follow switch statements,
    for which gcc sometimes uses jump tables."

  When this new kernel option is enabled (it's disabled by default), the
  tool, if it finds any suspicious assembly code pattern, outputs
  warnings in compiler warning format:

    warning: objtool: rtlwifi_rate_mapping()+0x2e7: frame pointer state mismatch
    warning: objtool: cik_tiling_mode_table_init()+0x6ce: call without frame pointer save/setup
    warning: objtool:__schedule()+0x3c0: duplicate frame pointer save
    warning: objtool:__schedule()+0x3fd: sibling call from callable instruction with changed frame pointer

  ... so that scripts that pick up compiler warnings will notice them.
  All known warnings triggered by the tool are fixed by the tree, most
  of the commits in fact prepare the kernel to be warning-free.  Most of
  them are bugfixes or cleanups that stand on their own, but there are
  also some annotations of 'special' stack frames for justified cases
  such entries to JIT-ed code (BPF) or really special boot time code.

  There are two other long-term motivations behind this tool as well:

   - To improve the quality and reliability of kernel stack frames, so
     that they can be used for optimized live patching.

   - To create independent infrastructure to check the correctness of
     CFI stack frames at build time.  CFI debuginfo is notoriously
     unreliable and we cannot use it in the kernel as-is without extra
     checking done both on the kernel side and on the build side.

  The quality of kernel stack frames matters to debuggability as well,
  so IMO we can merge this without having to consider the live patching
  or CFI debuginfo angle"

* 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
  objtool: Only print one warning per function
  objtool: Add several performance improvements
  tools: Copy hashtable.h into tools directory
  objtool: Fix false positive warnings for functions with multiple switch statements
  objtool: Rename some variables and functions
  objtool: Remove superflous INIT_LIST_HEAD
  objtool: Add helper macros for traversing instructions
  objtool: Fix false positive warnings related to sibling calls
  objtool: Compile with debugging symbols
  objtool: Detect infinite recursion
  objtool: Prevent infinite recursion in noreturn detection
  objtool: Detect and warn if libelf is missing and don't break the build
  tools: Support relative directory path for 'O='
  objtool: Support CROSS_COMPILE
  x86/asm/decoder: Use explicitly signed chars
  objtool: Enable stack metadata validation on 64-bit x86
  objtool: Add CONFIG_STACK_VALIDATION option
  objtool: Add tool to perform compile-time stack metadata validation
  x86/kprobes: Mark kretprobe_trampoline() stack frame as non-standard
  sched: Always inline context_switch()
  ...
 2016-03-20 18:23:21 -07:00
Linus Torvalds
46e595a17d ARM: SoC driver updates for v4.6 
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons:
 
 - Rockchip rk3368 gains power domain support
 - Small updates for the ARM spmi driver
 - The Atmel PMC driver saw a larger rework, touching both
   arch/arm/mach-at91 and drivers/clk/at91
 - All reset controller driver changes alway get merged through
   arm-soc, though this time the largest change is the addition
   of a MIPS pistachio reset driver
 - One bugfix for the NXP (formerly Freescale) i.MX weim bus driver
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons:

   - Rockchip rk3368 gains power domain support
   - Small updates for the ARM spmi driver
   - The Atmel PMC driver saw a larger rework, touching both
     arch/arm/mach-at91 and drivers/clk/at91
   - All reset controller driver changes alway get merged through
     arm-soc, though this time the largest change is the addition of a
     MIPS pistachio reset driver
   - One bugfix for the NXP (formerly Freescale) i.MX weim bus driver"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  bus: imx-weim: Take the 'status' property value into account
  clk: at91: remove useless includes
  clk: at91: pmc: remove useless capacities handling
  clk: at91: pmc: drop at91_pmc_base
  usb: gadget: atmel: access the PMC using regmap
  ARM: at91: remove useless includes and function prototypes
  ARM: at91: pm: move idle functions to pm.c
  ARM: at91: pm: find and remap the pmc
  ARM: at91: pm: simply call at91_pm_init
  clk: at91: pmc: move pmc structures to C file
  clk: at91: pmc: merge at91_pmc_init in atmel_pmc_probe
  clk: at91: remove IRQ handling and use polling
  clk: at91: make use of syscon/regmap internally
  clk: at91: make use of syscon to share PMC registers in several drivers
  hwmon: (scpi) add energy meter support
  firmware: arm_scpi: add support for 64-bit sensor values
  firmware: arm_scpi: decrease Tx timeout to 20ms
  firmware: arm_scpi: fix send_message and sensor_get_value for big-endian
  reset: sti: Make reset_control_ops const
  reset: zynq: Make reset_control_ops const
  ...
 2016-03-20 15:40:32 -07:00
Linus Torvalds
e3b1f64e04 ARM: SoC defconfig updates for v4.6 
As usual, a bunch of commits, mostly adding drivers and other options to
 defconfigs.
 
 The realview_smp_defconfig and realview_defconfig got merged into one,
 so we are now down to 110 files.
 
 For stm32, we have now added a Kconfig fragment, the first such
 file on arch/arm. The purpose here is to have a shared defconfig
 file that works for all boards, while the DRAM offset has to be
 hardwired on NOMMU machines at compile time.
 
 The Exynos defconfig changes depend on changes in the RTC tree,
 so this is pulled in here, but has already been merged into 4.6 now.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC defconfig updates from Arnd Bergmann:
 "As usual, a bunch of commits, mostly adding drivers and other options
  to defconfigs.

  The realview_smp_defconfig and realview_defconfig got merged into one,
  so we are now down to 110 files.

  For stm32, we have now added a Kconfig fragment, the first such file
  on arch/arm.  The purpose here is to have a shared defconfig file that
  works for all boards, while the DRAM offset has to be hardwired on
  NOMMU machines at compile time.

  The Exynos defconfig changes depend on changes in the RTC tree, so
  this is pulled in here, but has already been merged into 4.6 now"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
  ARM: imx_v4_v5_defconfig: Enable initramfs support
  ARM: imx_v4_v5_defconfig: Cleanup imx_v4_v5_defconfig
  ARM: multi_v7_defconfig: Enable LP872x regulator support
  ARM: omap2plus_defconfig: Enable LP872x regulator support
  ARM: mxs_defconfig: Enable initramfs support
  ARM: mxs_defconfig: Cleanup mxs_defconfig
  ARM: multi_v5_defconfig: Enable initramfs support
  ARM: multi_v5_defconfig: Cleanup multi_v5_defconfig
  ARM: multi_v7_defconfig: enable useful configurations for Vybrid
  ARM: multi_v7_defconfig: add MACH_ARTPEC6
  ARM: omap2plus_defconfig: Enable AT24 eeprom
  ARM: omap2plus_defconfig: Enable TI TVP5150 video decoder support
  ARM: omap2plus_defconfig: Enable ISP support and dependencies
  ARM: omap2plus_defconfig: Enable OMAP IOMMU support
  ARM: socfpga_defconfig: enable support for initramfs/initrd support
  ARM: at91/defconfig: add sama5d2 adc support in sama5_defconfig
  ARM: multi_v7_defconfig: Enable BCM283x
  ARM: bcm2835_defconfig: Enable RPi power domain driver
  ARM: bcm2835_defconfig: Enable RPi firmware driver
  ARM: bcm2835_defconfig: enable ARMv7 support
  ...
 2016-03-20 15:32:14 -07:00
Linus Torvalds
915c56bc01 ARM: 64-bit DT updates for v4.6 
The arm64 device tree changes make up an increasing portion of
 the overall changes, so they are kept separate from the 32-bit
 devicetree changes and from the other arm64 updates.
 
 Newly added SoCs and boards are:
  - 96Boards Husky board
  - AMD Overdrive board
  - Amlogic S905 SoC and related Tronsmart boxes
  - Annapurna Labs Alpine family and development board
  - Broadcom Vulcan servers
  - Broadcom Northstar 2 SoC
  - Marvell Armada 3700 family and development board
  - Qualcomm MSM8996 SoC
 
 Additional devices are enabled for existing platforms from
 Applied Micro, Hisilicon, Mediatek, Qualcomm, and Renesas and
 there are a couple of other updates for Rockchip, Xilinx and
 NXP/Freescale.
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 64-bit DT updates from Arnd Bergmann:
 "The arm64 device tree changes make up an increasing portion of the
  overall changes, so they are kept separate from the 32-bit devicetree
  changes and from the other arm64 updates.

  Newly added SoCs and boards are:
   - 96Boards Husky board
   - AMD Overdrive board
   - Amlogic S905 SoC and related Tronsmart boxes
   - Annapurna Labs Alpine family and development board
   - Broadcom Vulcan servers
   - Broadcom Northstar 2 SoC
   - Marvell Armada 3700 family and development board
   - Qualcomm MSM8996 SoC

  Additional devices are enabled for existing platforms from Applied
  Micro, Hisilicon, Mediatek, Qualcomm, and Renesas and there are a
  couple of other updates for Rockchip, Xilinx and NXP/Freescale"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (102 commits)
  ARM64: dts: amlogic: Add Tronsmart Vega S95 configs
  Documentation: devicetree: amlogic: Document Tronsmart Vega S95 boards
  ARM64: dts: Prepare configs for Amlogic Meson GXBaby
  Documentation: devicetree: amlogic: Document Meson GXBaby
  devicetree: bindings: Add vendor prefix for Tronsmart
  arm64: dts: qcom: Fix MPP's function used for LED control
  arm64: dts: alpine: add the MSIX node in the Alpine v2 dtsi
  arm64: dts: add the Alpine v2 EVP
  arm64: dts: marvell: re-order Device Tree nodes for Armada AP806
  arm64: dts: marvell: update Armada AP806 clock description
  arm64: dts: marvell: add Device Tree files for Armada 7K/8K
  arm64: dts: apm: Add DT node for X-Gene v2 SLIMpro Mailbox I2C Driver
  arm64: dts: apm: Mailbox device tree node for APM X-Gene v2 platform.
  arm64: dts: apm: Add DT node for X-Gene v1 SLIMpro Mailbox I2C Driver
  arm64: dts: apm: mailbox device tree node for APM X-Gene platform.
  arm64: dts: apm: Update GPIO to control power-off on X-Gene v2 platforms
  arm64: dts: apm: Update GPIO standby controller DT node for X-Gene v2 platforms
  arm64: dts: apm: Update GPIO to control power-off on X-Gene v1 platforms
  arm64: dts: salvator-x: enable USB 2.0 Host of channel 1 and 2
  arm64: dts: salvator-x: enable usb2_phy of channel 1 and 2
  ...
 2016-03-20 15:26:57 -07:00
Linus Torvalds
5a6b7e53d0 ARM: DT updates for v4.6 
These are all the updates to device tree files for 32-bit platforms,
 plus a couple of related 64-bit updates:
 
 New SoC support:
  - Allwinner A83T
  - Axis Artpec-6 SoC
  - Mediatek MT7623 SoC
  - TI Keystone K2G SoC
  - ST Microelectronics stm32f469
 
 New board or machine support:
  - ARM Juno R2
  - Buffalo Linkstation LS-QVL and LS-GL
  - Cubietruck plus
  - D-Link DIR-885L
  - DT support for ARM RealView PB1176 and PB11MPCore
  - Google Nexus 7
  - Homlet v2
  - Itead Ibox
  - Lamobo R1
  - LG Optimus Black
  - Logicpd dm3730
  - Raspberry Pi Model A
 
 Other changes include
  - Lots of updates for Qualcomm APQ8064, MSM8974 and others
  - Improved support for Nokia N900 and other OMAP machines
  - Common clk support for lpc32xx
  - HDLCD display on ARM
  - Improved stm32f429 support
  - Improved Renesas device support, r8a779x and others
  - Lots of Rockchip updates
  - Samsung cleanups
  - ADC support for Atmel SAMA5D2
  - BCM2835 (Raspberry Pi) improvements
  - Broadcom Northstar Plus enhancements
  - OMAP GPMC rework
  - Several improvements for Atmel SAMA5D2 / Xplained
  - Global change to remove inofficial "arm,amba-bus" compatible string
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "These are all the updates to device tree files for 32-bit platforms,
  plus a couple of related 64-bit updates:

  New SoC support:
   - Allwinner A83T
   - Axis Artpec-6 SoC
   - Mediatek MT7623 SoC
   - TI Keystone K2G SoC
   - ST Microelectronics stm32f469

  New board or machine support:
   - ARM Juno R2
   - Buffalo Linkstation LS-QVL and LS-GL
   - Cubietruck plus
   - D-Link DIR-885L
   - DT support for ARM RealView PB1176 and PB11MPCore
   - Google Nexus 7
   - Homlet v2
   - Itead Ibox
   - Lamobo R1
   - LG Optimus Black
   - Logicpd dm3730
   - Raspberry Pi Model A

  Other changes include
   - Lots of updates for Qualcomm APQ8064, MSM8974 and others
   - Improved support for Nokia N900 and other OMAP machines
   - Common clk support for lpc32xx
   - HDLCD display on ARM
   - Improved stm32f429 support
   - Improved Renesas device support, r8a779x and others
   - Lots of Rockchip updates
   - Samsung cleanups
   - ADC support for Atmel SAMA5D2
   - BCM2835 (Raspberry Pi) improvements
   - Broadcom Northstar Plus enhancements
   - OMAP GPMC rework
   - Several improvements for Atmel SAMA5D2 / Xplained
   - Global change to remove inofficial "arm,amba-bus" compatible
     string"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (350 commits)
  ARM, ARM64: dts: drop "arm,amba-bus" in favor of "simple-bus"
  ARM: dts: artpec: dual-license on artpec6.dtsi
  ARM: dts: ux500: add synaptics RMI4 for Ux500 TVK DT
  arm64: dts: juno/vexpress: fix node name unit-address presence warnings
  arm64: dts: foundation-v8: add SBSA Generic Watchdog device node
  ARM: dts: at91: sama5d2 Xplained: add leds node
  ARM: dts: at91: sama5d2 Xplained: add user push button
  ARM: dts: at91: sama5d2 Xplained: set pin muxing for usb gadget and usb host
  ARM: dts: stm32f429: Enable Ethernet on Eval board
  ARM: dts: omap3-sniper: TWL4030 keypad support
  Revert "ARM: dts: DRA7: Add dt nodes for PWMSS"
  ARM: dts: dm814x: dra62x: Disable wait pin monitoring for NAND
  ARM: dts: dm814x: dra62x: Fix NAND device nodes
  ARM: dts: stm32f429: Add Ethernet support
  ARM: dts: stm32f429: Add system config bank node
  ARM: dts: at91: sama5d2: add nand0 and nfc0 nodes
  ARM: dts: at91: sama5d2: add dma properties to UART nodes
  ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node
  ARM: dts: exynos: Don't overheat the Odroid XU3-Lite on high load
  ARM: dts: exynos: Add cooling levels for Exynos5422/5800 CPUs
  ...
 2016-03-20 15:15:48 -07:00
Linus Torvalds
8c6d4082fc ARM: SoC 64-bit changes for v4.6 
Here's our branch of ARM64 contents for this merge window, now
 containing all ARM64 changes other than device tree files.
 
 - Various new platforms get added
   - Allwinner A64 SoC
   - Annapurna Labs Alpine SoCs
   - Broadcom Vulcan
   - Marvell Armada 3700 SoCs
   - Amlogic S905
 
 - Various defconfig changes to enable platform specific drivers
 
 This branch includes the clk git tree to resolve a build-time
 dependency.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC 64-bit changes from Arnd Bergmann:
 "Here's our branch of ARM64 contents for this merge window, now
  containing all ARM64 changes other than device tree files.

   - Various new platforms get added:
      * Allwinner A64 SoC
      * Annapurna Labs Alpine SoCs
      * Broadcom Vulcan
      * Marvell Armada 3700 SoCs
      * Amlogic S905

   - Various defconfig changes to enable platform specific drivers

  This branch includes the clk git tree to resolve a build-time
  dependency"

* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  arm64: defconfig: Increase MMC_BLOCK_MINORS to 16
  arm64: defconfig: Add Qualcomm sdhci and restart functionality
  ARM64: Enable Amlogic Meson GXBaby platform
  arm64: defconfig: Enable Samsung MFD and related configs
  arm64: alpine: select the Alpine MSI controller driver
  arm64: defconfig: enable the Alpine family
  arm64: add Alpine SoC family
  arm64: defconfig: Enable exynos thermal config
  arm64: add defconfig options for Allwinner SoCs
  arm64: defconfig: Enable DesignWare APB GPIO controller
  arm64: defconfig: Add Renesas R-Car Gen3 USB 2.0 phy driver support
  arm64: EXYNOS: Consolidate ARCH_EXYNOS7 symbol into ARCH_EXYNOS
  clk: samsung: Don't build ARMv8 clock drivers on ARMv7
  MAINTAINERS: Add entry for Broadcom Vulcan SoC
  arm64: cputype info for Broadcom Vulcan
  arm64: Broadcom Vulcan support
  arm64: defconfig: Add Broadcom Vulcan to defconfig
  arm64: update ARCH_MVEBU for Marvell Armada 7K/8K support
  Documentation: arm: add Marvell Armada 7K and 8K families
  Documentation: arm: add link to Armada 38x Functional Spec
  ...
 2016-03-20 15:08:45 -07:00
Linus Torvalds
33b3d2e88c ARM: SoC platform updates for v4.6 
Newly added support for additional SoCs:
 
 - Axis Artpec-6 SoC family
 - Allwinner A83T SoC
 - Mediatek MT7623
 - NXP i.MX6QP SoC
 - ST Microelectronics stm32f469 microcontroller
 
 New features:
 - SMP support for Mediatek mt2701
 - Big-endian support for NXP i.MX
 - DaVinci now uses the new DMA engine dma_slave_map
 - OMAP now uses the new DMA engine dma_slave_map
 - earlyprintk support for palmchip uart on mach-tango
 - delay timer support for orion
 
 Other:
 - Exynos PMU driver moved out to drivers/soc/
 - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "Newly added support for additional SoCs:
   - Axis Artpec-6 SoC family
   - Allwinner A83T SoC
   - Mediatek MT7623
   - NXP i.MX6QP SoC
   - ST Microelectronics stm32f469 microcontroller

  New features:
   - SMP support for Mediatek mt2701
   - Big-endian support for NXP i.MX
   - DaVinci now uses the new DMA engine dma_slave_map
   - OMAP now uses the new DMA engine dma_slave_map
   - earlyprintk support for palmchip uart on mach-tango
   - delay timer support for orion

  Other:
   - Exynos PMU driver moved out to drivers/soc/
   - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
     uniphier"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: uniphier: rework SMP code to support new System Bus binding
  ARM: uniphier: add missing of_node_put()
  ARM: at91: avoid defining CONFIG_* symbols in source code
  ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
  ARM: imx: Make reset_control_ops const
  ARM: imx: Do L2 errata only if the L2 cache isn't enabled
  ARM: imx: select ARM_CPU_SUSPEND only for imx6
  dmaengine: pxa_dma: fix the maximum requestor line
  ARM: alpine: select the Alpine MSI controller driver
  ARM: pxa: add the number of DMA requestor lines
  dmaengine: mmp-pdma: add number of requestors
  dma: mmp_pdma: Add the #dma-requests DT property documentation
  ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
  ARM: s3c24xx: Avoid warning for inb/outb
  ARM: zynq: Move early printk virtual address to vmalloc area
  ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
  ARM: SAMSUNG: Remove unused register offset definition
  ARM: EXYNOS: Cleanup header files inclusion
  drivers: soc: samsung: Enable COMPILE_TEST
  MAINTAINERS: Add maintainers entry for drivers/soc/samsung
  ...
 2016-03-20 14:57:08 -07:00
Linus Torvalds
e88fa1b8b0 ARM: SoC cleanups for v4.6 
A few simple cleanups across multiple platforms, not much standing out:
 
 - lpc32xx removes its private implementation of the clk API, after
   generic code was merged in 4.5
 - all unused Makefile.boot files get removed
 - a number of simplifications for shmobile
 - asm/clkdev.h gets replaced with the asm-generic version after
   all mach/clkdev.h implementations are gone
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "A few simple cleanups across multiple platforms, not much standing
  out:

   - lpc32xx removes its private implementation of the clk API, after
     generic code was merged in 4.5
   - all unused Makefile.boot files get removed
   - a number of simplifications for shmobile
   - asm/clkdev.h gets replaced with the asm-generic version after all
     mach/clkdev.h implementations are gone"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: shmobile: Kconfig: Get rid of old comment
  ARM: shmobile: Consolidate SCU mapping code
  arm: lpc32xx: remove direct control of GPIOs from shared mach file
  arm: lpc32xx: remove selected HAVE_IDE
  arm: lpc32xx: switch to common clock framework
  ARM: Use generic clkdev.h header
  ARM: plat-versatile: Remove unused clock.c file
  ARM: netx: remove redundant "depends on ARCH_NETX"
  ARM: integrator: remove redundant select in Kconfig
  ARM: drop unused Makefile.boot of Multiplatform SoCs
  ARM: mvebu: add missing of_node_put()
  ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code
  ARM: shmobile: Typo s/MIPDR/MPIDR/
  ARM: shmobile: Add includes providing forward declarations
  ARM: shmobile: rcar-gen2: Make rcar_gen2_dma_contiguous static
  ARM: mv78xx0: use "depends on" instead of "if" after prompt
 2016-03-20 14:37:22 -07:00
Linus Torvalds
dae0b74eb7 ARM: SoC non-urgent fixes for v4.6 
As usual, we queue up a few fixes that don't seem urgent enough to go in
 through -rc.
 
  - a number of randconfig warning fixes from Arnd
  - various small fixes for OMAP
  - one somewhat larger patch to restore the OMAP3 cpuidle
    tuning that was lost in a cleanup
  - a small regression fix for cns3xxx PCI
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-urgent fixes from Arnd Bergmann:
 "As usual, we queue up a few fixes that don't seem urgent enough to go
  in through -rc.

   - a number of randconfig warning fixes from Arnd
   - various small fixes for OMAP
   - one somewhat larger patch to restore the OMAP3 cpuidle tuning that
     was lost in a cleanup
   - a small regression fix for cns3xxx PCI"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
  CNS3xxx: Fix PCI cns3xxx_write_config()
  MAINTAINERS: unify email addrs for Kevin Hilman
  CNS3xxx: remove unused *_VIRT definitions
  ARM: OMAP2+: Fix hwmod clock for l4_ls
  soc: TI knav_qmss: fix dma_addr_t printing
  ARM: prima2: always enable reset controller
  ARM: socfpga: hide unused functions
  ARM: ux500: fix ureachable iounmap()
  ARM: ks8695: fix __initdata annotation
  ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused
  ARM: mv78xx0: avoid unused function warning
  ARM: orion: only select I2C_BOARDINFO when using I2C
  ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
  ARM: OMAP3: Add cpuidle parameters table for omap3430
  ARM: davinci: make I2C support optional
  ARM: davinci: DA8xx+DMx combined kernels need PATCH_PHYS_VIRT
  ARM: davinci: avoid unused mityomapl138_pn_info variable
  ARM: davinci: limit DT support to DA850
  ARM: DRA7: hwmod: Add reset data for PCIe
  ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
  ...
 2016-03-20 14:26:57 -07:00