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Author SHA1 Message Date
Linus Torvalds 7ce1e15d9a \n 
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Merge tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, quota, udf fixes and cleanups from Jan Kara:

 - two small quota fixes (in grace time handling and possible missed
   accounting of preallocated blocks beyond EOF).

 - some ext2 cleanups

 - udf fixes for better compatibility with Windows 10 generated media
   (named streams, write-protection using domain-identifier, placement
   of volume recognition sequence)

 - some udf cleanups

* tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: fix wrong condition in is_quota_modification()
  fs-udf: Delete an unnecessary check before brelse()
  ext2: Delete an unnecessary check before brelse()
  udf: Drop forward function declarations
  udf: Verify domain identifier fields
  udf: augment UDF permissions on new inodes
  udf: Use dynamic debug infrastructure
  udf: reduce leakage of blocks related to named streams
  udf: prevent allocation beyond UDF partition
  quota: fix condition for resetting time limit in do_set_dqblk()
  ext2: code cleanup for ext2_free_blocks()
  ext2: fix block range in ext2_data_block_valid()
  udf: support 2048-byte spacing of VRS descriptors on 4K media
  udf: refactor VRS descriptor identification
 2019-09-21 13:53:34 -07:00
Linus Torvalds 70cb0d02b5 Added new ext4 debugging ioctls to allow userspace to get information 
about the state of the extent status cache.
 
 Dropped workaround for pre-1970 dates which were encoded incorrectly
 in pre-4.4 kernels.  Since both the kernel correctly generates, and
 e2fsck detects and fixes this issue for the past four years, it'e time
 to drop the workaround.  (Also, it's not like files with dates in the
 distant past were all that common in the first place.)
 
 A lot of miscellaneous bug fixes and cleanups, including some ext4
 Documentation fixes.  Also included are two minor bug fixes in
 fs/unicode.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Added new ext4 debugging ioctls to allow userspace to get information
  about the state of the extent status cache.

  Dropped workaround for pre-1970 dates which were encoded incorrectly
  in pre-4.4 kernels. Since both the kernel correctly generates, and
  e2fsck detects and fixes this issue for the past four years, it'e time
  to drop the workaround. (Also, it's not like files with dates in the
  distant past were all that common in the first place.)

  A lot of miscellaneous bug fixes and cleanups, including some ext4
  Documentation fixes. Also included are two minor bug fixes in
  fs/unicode"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (21 commits)
  unicode: make array 'token' static const, makes object smaller
  unicode: Move static keyword to the front of declarations
  ext4: add missing bigalloc documentation.
  ext4: fix kernel oops caused by spurious casefold flag
  ext4: fix integer overflow when calculating commit interval
  ext4: use percpu_counters for extent_status cache hits/misses
  ext4: fix potential use after free after remounting with noblock_validity
  jbd2: add missing tracepoint for reserved handle
  ext4: fix punch hole for inline_data file systems
  ext4: rework reserved cluster accounting when invalidating pages
  ext4: documentation fixes
  ext4: treat buffers with write errors as containing valid data
  ext4: fix warning inside ext4_convert_unwritten_extents_endio
  ext4: set error return correctly when ext4_htree_store_dirent fails
  ext4: drop legacy pre-1970 encoding workaround
  ext4: add new ioctl EXT4_IOC_GET_ES_CACHE
  ext4: add a new ioctl EXT4_IOC_GETSTATE
  ext4: add a new ioctl EXT4_IOC_CLEAR_ES_CACHE
  jbd2: flush_descriptor(): Do not decrease buffer head's ref count
  ext4: remove unnecessary error check
  ...
 2019-09-21 13:37:39 -07:00
Linus Torvalds 104c0d6bc4 This pull request contains the following changes for UBI, UBIFS and JFFS2: 
UBI:
 - Be less stupid when placing a fastmap anchor
 - Try harder to get an empty PEB in case of contention
 - Make ubiblock to warn if image is not a multiple of 512
 
 UBIFS:
 - Various fixes in error paths
 
 JFFS2:
 - Various fixes in error paths
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Merge tag 'upstream-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI, UBIFS and JFFS2 updates from Richard Weinberger:
 "UBI:
   - Be less stupid when placing a fastmap anchor
   - Try harder to get an empty PEB in case of contention
   - Make ubiblock to warn if image is not a multiple of 512

  UBIFS:
   - Various fixes in error paths

  JFFS2:
   - Various fixes in error paths"

* tag 'upstream-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  jffs2: Fix memory leak in jffs2_scan_eraseblock() error path
  jffs2: Remove jffs2_gc_fetch_page and jffs2_gc_release_page
  jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()
  ubi: block: Warn if volume size is not multiple of 512
  ubifs: Fix memory leak bug in alloc_ubifs_info() error path
  ubifs: Fix memory leak in __ubifs_node_verify_hmac error path
  ubifs: Fix memory leak in read_znode() error path
  ubi: ubi_wl_get_peb: Increase the number of attempts while getting PEB
  ubi: Don't do anchor move within fastmap area
  ubifs: Remove redundant assignment to pointer fname
 2019-09-21 11:10:16 -07:00
Linus Torvalds 9dca3432ee This pull request contains the following changes for UML: 
- virtio support
 - Fixes for our new time travel mode
 - Various improvements to make lockdep and kasan work better
 - SPDX header updates
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Merge tag 'for-linus-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - virtio support

 - fixes for our new time travel mode

 - various improvements to make lockdep and kasan work better

 - SPDX header updates

* tag 'for-linus-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (25 commits)
  um: irq: Fix LAST_IRQ usage in init_IRQ()
  um: Add SPDX headers for files in arch/um/include
  um: Add SPDX headers for files in arch/um/os-Linux
  um: Add SPDX headers to files in arch/um/kernel/
  um: Add SPDX headers for files in arch/um/drivers
  um: virtio: Implement VHOST_USER_PROTOCOL_F_REPLY_ACK
  um: virtio: Implement VHOST_USER_PROTOCOL_F_SLAVE_REQ
  um: drivers: Add virtio vhost-user driver
  um: Use real DMA barriers
  um: Don't use generic barrier.h
  um: time-travel: Restrict time update in IRQ handler
  um: time-travel: Fix periodic timers
  um: Enable CONFIG_CONSTRUCTORS
  um: Place (soft)irq text with macros
  um: Fix VDSO compiler warning
  um: Implement TRACE_IRQFLAGS_SUPPORT
  um: Remove misleading #define ARCh_IRQ_ENABLED
  um: Avoid using uninitialized regs
  um: Remove sig_info[SIGALRM]
  um: Error handling fixes in vector drivers
  ...
 2019-09-21 11:07:02 -07:00
Linus Torvalds 4553d469d6 This pull-request contains the following changes for MTD: 
MTD core changes:
 - add debugfs nodes for querying the flash name and id
 - mtd parser reorganization
 
 SPI NOR core changes:
 - always use bounce buffer for register read/writes
 - move m25p80 code in spi-nor.c
 - rework hwcaps selection for the spi-mem case
 - rework the core in order to move the manufacturer specific code
   out of it:
     - regroup flash parameters in 'struct spi_nor_flash_parameter'
     - add default_init() and post_sfdp() hooks to tweak the flash
       parameters
     - introduce the ->set_4byte(), ->convert_addr() and ->setup()
       methods, to deal with manufacturer specific code
     - rework the SPI NOR lock/unlock logic
 - fix an error code in spi_nor_read_raw()
 - fix a memory leak bug
 - enable the debugfs for the partname and partid
 - add support for few flashes
 
 SPI NOR controller drivers changes:
 - intel-spi:
     - Whitelist 4B read commands
     - Add support for Intel Tiger Lake SPI serial flash
 - aspeed-smc: Add of_node_put()
 - hisi-sfc: Add of_node_put()
 - cadence-quadspi: Fix QSPI RCU Schedule Stall
 
 NAND core:
 - Fixing typos
 - Adding missing of_node_put() in various drivers
 
 Raw NAND controller drivers:
 
 - Macronix: new controller driver
 - Omap2: Fixing the number of bitflips returned
 - Brcmnand: Fix a pointer not iterating over all the page chunks
 - W90x900: Driver removed
 - Onenand: Fix a memory leak
 - Sharpsl: Missing include guard
 - STM32: Avoid warnings when building with W=1
 - Ingenic: Fix a coccinelle warning
 - r852: Call a helper to simplify the code
 
 CFI core:
 - Kill useless initializer in mtd_do_chip_probe()
 - Fix a rare write failure seen on some cfi_cmdset_0002 compliant
   Parallel NORs
 - Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
   Tokunori Ikegami <ikegami.t@gmail.com>
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Merge tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Richard Weinberger:
 "MTD core changes:
   - add debugfs nodes for querying the flash name and id
   - mtd parser reorganization

  SPI NOR core changes:
   - always use bounce buffer for register read/writes
   - move m25p80 code in spi-nor.c
   - rework hwcaps selection for the spi-mem case
   - rework the core in order to move the manufacturer specific code out
     of it:
       - regroup flash parameters in 'struct spi_nor_flash_parameter'
       - add default_init() and post_sfdp() hooks to tweak the flash
         parameters
       - introduce the ->set_4byte(), ->convert_addr() and ->setup()
         methods, to deal with manufacturer specific code
       - rework the SPI NOR lock/unlock logic
   - fix an error code in spi_nor_read_raw()
   - fix a memory leak bug
   - enable the debugfs for the partname and partid
   - add support for few flashes

  SPI NOR controller drivers changes:
   - intel-spi:
       - Whitelist 4B read commands
       - Add support for Intel Tiger Lake SPI serial flash
   - aspeed-smc: Add of_node_put()
   - hisi-sfc: add of_node_put()
   - cadence-quadspi: Fix QSPI RCU Schedule Stall

  NAND core:
   - Fixing typos
   - Adding missing of_node_put() in various drivers

  Raw NAND controller drivers:
   - Macronix: new controller driver
   - Omap2: fix the number of bitflips returned
   - Brcmnand: fix a pointer not iterating over all the page chunks
   - W90x900: driver removed
   - Onenand: fix a memory leak
   - Sharpsl: missing include guard
   - STM32: avoid warnings when building with W=1
   - Ingenic: fix a coccinelle warning
   - r852: call a helper to simplify the code

  CFI core:
   - Kill useless initializer in mtd_do_chip_probe()
   - Fix a rare write failure seen on some cfi_cmdset_0002 compliant
     Parallel NORs
   - Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
     Tokunori Ikegami"

* tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (77 commits)
  mtd: pmc551: Remove set but not used variable 'soff_lo'
  mtd: cfi_cmdset_0002: Fix do_erase_chip() to get chip as erasing mode
  mtd: sm_ftl: Fix memory leak in sm_init_zone() error path
  mtd: parsers: Move CMDLINE parser
  mtd: parsers: Move OF parser
  mtd: parsers: Move BCM63xx parser
  mtd: parsers: Move BCM47xx parser
  mtd: parsers: Move TI AR7 parser
  mtd: pismo: Simplify getting the adapter of a client
  mtd: phram: Module parameters add writable permissions
  mtd: pxa2xx: Use ioremap_cache insted of ioremap_cached
  mtd: spi-nor: Rename "n25q512a" to "mt25qu512a (n25q512a)"
  mtd: spi-nor: Add support for mt35xu02g
  mtd: rawnand: omap2: Fix number of bitflips reporting with ELM
  mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips
  mtd: spi-nor: remove superfluous pass of nor->info->sector_size
  mtd: spi-nor: enable the debugfs for the partname and partid
  mtd: mtdcore: add debugfs nodes for querying the flash name and id
  mtd: spi-nor: hisi-sfc: Add of_node_put() before break
  mtd: spi-nor: aspeed-smc: Add of_node_put()
  ...
 2019-09-21 10:59:54 -07:00
Linus Torvalds 6cb2e9ee51 libnvdimm for 5.4 
- Rework the nvdimm core to accommodate architectures with different page
   sizes and ones that can change supported huge page sizes at boot
   time rather than a compile time constant.
 
 - Introduce a distinct 'frozen' attribute for the nvdimm security state
   since it is independent of the locked state.
 
 - Miscellaneous fixups.
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Merge tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "Some reworks to better support nvdimms on powerpc and an nvdimm
  security interface update:

   - Rework the nvdimm core to accommodate architectures with different
     page sizes and ones that can change supported huge page sizes at
     boot time rather than a compile time constant.

   - Introduce a distinct 'frozen' attribute for the nvdimm security
     state since it is independent of the locked state.

   - Miscellaneous fixups"

* tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  libnvdimm: Use PAGE_SIZE instead of SZ_4K for align check
  libnvdimm/label: Remove the dpa align check
  libnvdimm/pfn_dev: Add page size and struct page size to pfn superblock
  libnvdimm/pfn_dev: Add a build check to make sure we notice when struct page size change
  libnvdimm/pmem: Advance namespace seed for specific probe errors
  libnvdimm/region: Rewrite _probe_success() to _advance_seeds()
  libnvdimm/security: Consolidate 'security' operations
  libnvdimm/security: Tighten scope of nvdimm->busy vs security operations
  libnvdimm/security: Introduce a 'frozen' attribute
  libnvdimm, region: Use struct_size() in kzalloc()
  tools/testing/nvdimm: Fix fallthrough warning
  libnvdimm/of_pmem: Provide a unique name for bus provider
 2019-09-21 10:55:29 -07:00
Linus Torvalds 10fd71780f SCSI misc on 20190919 
This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
 lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates.
 The only core change this time around is the addition of request
 batching for virtio.  Since batching requires an additional flag to
 use, it should be invisible to the rest of the drivers.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
  lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The
  only core change this time around is the addition of request batching
  for virtio. Since batching requires an additional flag to use, it
  should be invisible to the rest of the drivers"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits)
  scsi: hisi_sas: Fix the conflict between device gone and host reset
  scsi: hisi_sas: Add BIST support for phy loopback
  scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation
  scsi: hisi_sas: Remove some unused function arguments
  scsi: hisi_sas: Remove redundant work declaration
  scsi: hisi_sas: Remove hisi_sas_hw.slot_complete
  scsi: hisi_sas: Assign NCQ tag for all NCQ commands
  scsi: hisi_sas: Update all the registers after suspend and resume
  scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device
  scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails
  scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled
  scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset()
  scsi: hisi_sas: add debugfs auto-trigger for internal abort time out
  scsi: virtio_scsi: unplug LUNs when events missed
  scsi: scsi_dh_rdac: zero cdb in send_mode_select()
  scsi: fcoe: fix null-ptr-deref Read in fc_release_transport
  scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code
  scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code
  scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code
  scsi: ufs: Use kmemdup in ufshcd_read_string_desc()
  ...
 2019-09-21 10:50:15 -07:00
Linus Torvalds 3e414b5bd2 - crypto and DM crypt advances that allow the crypto API to reclaim 
implementation details that do not belong in DM crypt.  The wrapper
   template for ESSIV generation that was factored out will also be used
   by fscrypt in the future.
 
 - Add root hash pkcs#7 signature verification to the DM verity target.
 
 - Add a new "clone" DM target that allows for efficient remote
   replication of a device.
 
 - Enhance DM bufio's cache to be tailored to each client based on use.
   Clients that make heavy use of the cache get more of it, and those
   that use less have reduced cache usage.
 
 - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the
   version number of a DM target (even if the associated module isn't yet
   loaded).
 
 - Fix invalid memory access in DM zoned target.
 
 - Fix the max_discard_sectors limit advertised by the DM raid target; it
   was mistakenly storing the limit in bytes rather than sectors.
 
 - Small optimizations and cleanups in DM writecache target.
 
 - Various fixes and cleanups in DM core, DM raid1 and space map portion
   of DM persistent data library.
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Merge tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - crypto and DM crypt advances that allow the crypto API to reclaim
   implementation details that do not belong in DM crypt. The wrapper
   template for ESSIV generation that was factored out will also be used
   by fscrypt in the future.

 - Add root hash pkcs#7 signature verification to the DM verity target.

 - Add a new "clone" DM target that allows for efficient remote
   replication of a device.

 - Enhance DM bufio's cache to be tailored to each client based on use.
   Clients that make heavy use of the cache get more of it, and those
   that use less have reduced cache usage.

 - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the
   version number of a DM target (even if the associated module isn't
   yet loaded).

 - Fix invalid memory access in DM zoned target.

 - Fix the max_discard_sectors limit advertised by the DM raid target;
   it was mistakenly storing the limit in bytes rather than sectors.

 - Small optimizations and cleanups in DM writecache target.

 - Various fixes and cleanups in DM core, DM raid1 and space map portion
   of DM persistent data library.

* tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits)
  dm: introduce DM_GET_TARGET_VERSION
  dm bufio: introduce a global cache replacement
  dm bufio: remove old-style buffer cleanup
  dm bufio: introduce a global queue
  dm bufio: refactor adjust_total_allocated
  dm bufio: call adjust_total_allocated from __link_buffer and __unlink_buffer
  dm: add clone target
  dm raid: fix updating of max_discard_sectors limit
  dm writecache: skip writecache_wait for pmem mode
  dm stats: use struct_size() helper
  dm crypt: omit parsing of the encapsulated cipher
  dm crypt: switch to ESSIV crypto API template
  crypto: essiv - create wrapper template for ESSIV generation
  dm space map common: remove check for impossible sm_find_free() return value
  dm raid1: use struct_size() with kzalloc()
  dm writecache: optimize performance by sorting the blocks for writeback_all
  dm writecache: add unlikely for getting two block with same LBA
  dm writecache: remove unused member pointer in writeback_struct
  dm zoned: fix invalid memory access
  dm verity: add root hash pkcs#7 signature verification
  ...
 2019-09-21 10:40:37 -07:00
Linus Torvalds 018c6837f3 RDMA subsystem updates for 5.4 
This cycle mainly saw lots of bug fixes and clean up code across the core
 code and several drivers, few new functional changes were made.
 
 - Many cleanup and bug fixes for hns
 
 - Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
   bnxt_re, efa
 
 - Share the query_port code between all the iWarp drivers
 
 - General rework and cleanup of the ODP MR umem code to fit better with
   the mmu notifier get/put scheme
 
 - Support rdma netlink in non init_net name spaces
 
 - mlx5 support for XRC devx and DC ODP
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull RDMA subsystem updates from Jason Gunthorpe:
 "This cycle mainly saw lots of bug fixes and clean up code across the
  core code and several drivers, few new functional changes were made.

   - Many cleanup and bug fixes for hns

   - Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
     bnxt_re, efa

   - Share the query_port code between all the iWarp drivers

   - General rework and cleanup of the ODP MR umem code to fit better
     with the mmu notifier get/put scheme

   - Support rdma netlink in non init_net name spaces

   - mlx5 support for XRC devx and DC ODP"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (99 commits)
  RDMA: Fix double-free in srq creation error flow
  RDMA/efa: Fix incorrect error print
  IB/mlx5: Free mpi in mp_slave mode
  IB/mlx5: Use the original address for the page during free_pages
  RDMA/bnxt_re: Fix spelling mistake "missin_resp" -> "missing_resp"
  RDMA/hns: Package operations of rq inline buffer into separate functions
  RDMA/hns: Optimize cmd init and mode selection for hip08
  IB/hfi1: Define variables as unsigned long to fix KASAN warning
  IB/{rdmavt, hfi1, qib}: Add a counter for credit waits
  IB/hfi1: Add traces for TID RDMA READ
  RDMA/siw: Relax from kmap_atomic() use in TX path
  IB/iser: Support up to 16MB data transfer in a single command
  RDMA/siw: Fix page address mapping in TX path
  RDMA: Fix goto target to release the allocated memory
  RDMA/usnic: Avoid overly large buffers on stack
  RDMA/odp: Add missing cast for 32 bit
  RDMA/hns: Use devm_platform_ioremap_resource() to simplify code
  Documentation/infiniband: update name of some functions
  RDMA/cma: Fix false error message
  RDMA/hns: Fix wrong assignment of qp_access_flags
  ...
 2019-09-21 10:26:24 -07:00
Linus Torvalds 84da111de0 hmm related patches for 5.4 
This is more cleanup and consolidation of the hmm APIs and the very
 strongly related mmu_notifier interfaces. Many places across the tree
 using these interfaces are touched in the process. Beyond that a cleanup
 to the page walker API and a few memremap related changes round out the
 series:
 
 - General improvement of hmm_range_fault() and related APIs, more
   documentation, bug fixes from testing, API simplification &
   consolidation, and unused API removal
 
 - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE, and
   make them internal kconfig selects
 
 - Hoist a lot of code related to mmu notifier attachment out of drivers by
   using a refcount get/put attachment idiom and remove the convoluted
   mmu_notifier_unregister_no_release() and related APIs.
 
 - General API improvement for the migrate_vma API and revision of its only
   user in nouveau
 
 - Annotate mmu_notifiers with lockdep and sleeping region debugging
 
 Two series unrelated to HMM or mmu_notifiers came along due to
 dependencies:
 
 - Allow pagemap's memremap_pages family of APIs to work without providing
   a struct device
 
 - Make walk_page_range() and related use a constant structure for function
   pointers
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull hmm updates from Jason Gunthorpe:
 "This is more cleanup and consolidation of the hmm APIs and the very
  strongly related mmu_notifier interfaces. Many places across the tree
  using these interfaces are touched in the process. Beyond that a
  cleanup to the page walker API and a few memremap related changes
  round out the series:

   - General improvement of hmm_range_fault() and related APIs, more
     documentation, bug fixes from testing, API simplification &
     consolidation, and unused API removal

   - Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE,
     and make them internal kconfig selects

   - Hoist a lot of code related to mmu notifier attachment out of
     drivers by using a refcount get/put attachment idiom and remove the
     convoluted mmu_notifier_unregister_no_release() and related APIs.

   - General API improvement for the migrate_vma API and revision of its
     only user in nouveau

   - Annotate mmu_notifiers with lockdep and sleeping region debugging

  Two series unrelated to HMM or mmu_notifiers came along due to
  dependencies:

   - Allow pagemap's memremap_pages family of APIs to work without
     providing a struct device

   - Make walk_page_range() and related use a constant structure for
     function pointers"

* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (75 commits)
  libnvdimm: Enable unit test infrastructure compile checks
  mm, notifier: Catch sleeping/blocking for !blockable
  kernel.h: Add non_block_start/end()
  drm/radeon: guard against calling an unpaired radeon_mn_unregister()
  csky: add missing brackets in a macro for tlb.h
  pagewalk: use lockdep_assert_held for locking validation
  pagewalk: separate function pointers from iterator data
  mm: split out a new pagewalk.h header from mm.h
  mm/mmu_notifiers: annotate with might_sleep()
  mm/mmu_notifiers: prime lockdep
  mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
  mm/mmu_notifiers: remove the __mmu_notifier_invalidate_range_start/end exports
  mm/hmm: hmm_range_fault() infinite loop
  mm/hmm: hmm_range_fault() NULL pointer bug
  mm/hmm: fix hmm_range_fault()'s handling of swapped out pages
  mm/mmu_notifiers: remove unregister_no_release
  RDMA/odp: remove ib_ucontext from ib_umem
  RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
  RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
  RDMA/mlx5: Use ib_umem_start instead of umem.address
  ...
 2019-09-21 10:07:42 -07:00
Linus Torvalds 227c3e9eb5 Make use of gcc 9's "asm inline()" (Rasmus Villemoes): 
gcc 9+ (and gcc 8.3, 7.5) provides a way to override the otherwise
     crude heuristic that gcc uses to estimate the size of the code
     represented by an asm() statement. From the gcc docs
 
       If you use 'asm inline' instead of just 'asm', then for inlining
       purposes the size of the asm is taken as the minimum size, ignoring
       how many instructions GCC thinks it is.
 
     For compatibility with older compilers, we obviously want a
 
       #if [understands asm inline]
       #define asm_inline asm inline
       #else
       #define asm_inline asm
       #endif
 
     But since we #define the identifier inline to attach some attributes,
     we have to use an alternate spelling of that keyword. gcc provides
     both __inline__ and __inline, and we currently #define both to inline,
     so they all have the same semantics. We have to free up one of
     __inline__ and __inline, and the latter is by far the easiest.
 
     The two x86 changes cause smaller code gen differences than I'd
     expect, but I think we do want the asm_inline thing available sooner
     or later, so this is just to get the ball rolling.
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Merge tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux

Pull asm inline support from Miguel Ojeda:
 "Make use of gcc 9's "asm inline()" (Rasmus Villemoes):

  gcc 9+ (and gcc 8.3, 7.5) provides a way to override the otherwise
  crude heuristic that gcc uses to estimate the size of the code
  represented by an asm() statement. From the gcc docs

      If you use 'asm inline' instead of just 'asm', then for inlining
      purposes the size of the asm is taken as the minimum size, ignoring
      how many instructions GCC thinks it is.

  For compatibility with older compilers, we obviously want a

      #if [understands asm inline]
      #define asm_inline asm inline
      #else
      #define asm_inline asm
      #endif

  But since we #define the identifier inline to attach some attributes,
  we have to use an alternate spelling of that keyword. gcc provides
  both __inline__ and __inline, and we currently #define both to inline,
  so they all have the same semantics.

  We have to free up one of __inline__ and __inline, and the latter is
  by far the easiest.

  The two x86 changes cause smaller code gen differences than I'd
  expect, but I think we do want the asm_inline thing available sooner
  or later, so this is just to get the ball rolling"

* tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux:
  x86: bug.h: use asm_inline in _BUG_FLAGS definitions
  x86: alternative.h: use asm_inline for all alternative variants
  compiler-types.h: add asm_inline definition
  compiler_types.h: don't #define __inline
  lib/zstd/mem.h: replace __inline by inline
  staging: rtl8723bs: replace __inline by inline
 2019-09-21 09:47:19 -07:00
Linus Torvalds 56c631f5ae randomize_layout: Fix potential auto-selection bug 
- Fix auto-selection bug in is_pure_ops_struct (Joonwon Kang)
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Merge tag 'gcc-plugins-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fix from Kees Cook:
 "Fix a potential problem in randomize_layout structure auto-selection
  (that was not triggered by any existing kernel structures)"

* tag 'gcc-plugins-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  randstruct: Check member structs in is_pure_ops_struct()
 2019-09-21 09:36:28 -07:00
Linus Torvalds 56c1e83434 Printk changes for 5.4 
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Merge tag 'printk-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

Pull printk updates from Petr Mladek:

 - Fix off-by-one error when calculating messages that might fit into
   kmsg buffer. It causes occasional omitting of the last message.

 - Add missing pointer check in %pD format modifier handling.

 - Some clean up

* tag 'printk-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  ABI: Update dev-kmsg documentation to match current kernel behaviour
  printk: Replace strncmp() with str_has_prefix()
  lib/test_printf: Remove obvious comments from %pd and %pD tests
  lib/test_printf: Add test of null/invalid pointer dereference for dentry
  vsprintf: Prevent crash when dereferencing invalid pointers for %pD
  printk: Do not lose last line in kmsg buffer dump
 2019-09-21 09:34:29 -07:00
Linus Torvalds f97c81dc6c ARM: SoC: late updates for v5.4 
This is some material that we picked up into our tree late or
 that had complex inter-depondencies. The fact that there are these
 interdependencies tends to meant that these are often actually the most
 interesting new additions:
 
 The new Aspeed AST2600 baseboard management controller is added, this
 is a Cortex-A7 based follow-up to the ARM11 based AST2500 and had some
 dependencies on other device drivers.
 
 After many years, support for the MMP2 based OLPC XO-1.75 finally makes
 it into the kernel.
 
 The Armada 3720 based Turris Mox open source router platform is a late
 addition and it follows some preparatory work across multiple branches.
 
 The OMAP2+ platform had some large-scale cleanup involving driver
 changes and DT changes, here we finish it off, dropping a lot of the
 now-unused platform data.
 
 The TI K3 platform that got added for 5.3 gains a lot more support
 for individual bits on the SoC, this part just came late for the
 merge window.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC late updates from Arnd Bergmann:
 "This is some material that we picked up into our tree late or that had
  complex inter-depondencies. The fact that there are these
  interdependencies tends to meant that these are often actually the
  most interesting new additions:

   - The new Aspeed AST2600 baseboard management controller is added,
     this is a Cortex-A7 based follow-up to the ARM11 based AST2500 and
     had some dependencies on other device drivers.

   - After many years, support for the MMP2 based OLPC XO-1.75 finally
     makes it into the kernel.

   - The Armada 3720 based Turris Mox open source router platform is a
     late addition and it follows some preparatory work across multiple
     branches.

   - The OMAP2+ platform had some large-scale cleanup involving driver
     changes and DT changes, here we finish it off, dropping a lot of
     the now-unused platform data.

   - The TI K3 platform that got added for 5.3 gains a lot more support
     for individual bits on the SoC, this part just came late for the
     merge window"

[ This pull request itself wasn't actually sent late at all by Arnd, but
  I waited on the branches that it used to be pulled first, so it ends
  up being merged much later than the other ARM SoC pull requests this
  merge window     - Linus ]

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
  ARM: dts: dir685: Drop spi-cpol from the display
  ARM: dts: aspeed: Add AST2600 pinmux nodes
  ARM: dts: aspeed: Add AST2600 and EVB
  ARM: exynos: Enable support for ARM architected timers
  ARM: samsung: Fix system restart on S3C6410
  ARM: dts: mmp2: add OLPC XO 1.75 machine
  ARM: dts: mmp2: rename the USB PHY node
  ARM: dts: mmp2: specify reg-shift for the UARTs
  ARM: dts: mmp2: add camera interfaces
  ARM: dts: mmp2: fix the SPI nodes
  ARM: dts: mmp2: trivial whitespace fix
  arm64: dts: marvell: add DTS for Turris Mox
  dt-bindings: marvell: document Turris Mox compatible
  arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
  arm64: dts: ti: k3-j721e-main: Fix gic-its node unit-address
  arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
  arm64: dts: ti: k3-j721e-main: Add hwspinlock node
  arm64: dts: ti: k3-am65-main: Add hwspinlock node
  arm64: dts: k3-j721e: Add gpio-keys on common processor board
  dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721E
  ...
 2019-09-20 15:53:02 -07:00
Linus Torvalds a703d279c5 We have a small collection of core framework updates this time, mostly around 
clk registration by clk providers and debugfs "nice to haves" for rate
 constraints. I'll highlight that we're now setting the clk_init_data pointer
 inside struct clk_hw to NULL during clk_register(), which may break some
 drivers that thought they could use that pointer during normal operations. That
 change has been sitting in next for a while now but maybe something is still
 broken. We'l see. Other than that the core framework changes aren't invasive
 and they're fixing bugs, simplifying, and making things better.
 
 On the clk driver side we got the usual addition of new SoC support, new
 features for existing drivers, and bug fixes scattered throughout. The biggest
 diffstat is the Amlogic driver that gained CPU clk support in addition to
 migrating to the new way of specifying clk parents. After that the Qualcomm,
 i.MX, Mediatek, and Rockchip clk drivers got support for various new SoCs and
 clock controllers from those vendors.
 
 Core:
  - Drop NULL checks in clk debugfs
  - Add min/max rates to clk debugfs
  - Set clk_init_data pointer inside clk_hw to NULL after registration
  - Make clk_bulk_get_all() return an 'id' corresponding to clock-names
  - Evict parents from parent cache when they're unregistered
 
 New Drivers:
  - Add clock driver for i.MX8MN SoCs
  - Support aspeed AST2600 SoCs
  - Support for Mediatek MT6779 SoCs
  - Support qcom SM8150 GCC and RPMh clks
  - Support qcom QCS404 WCSS clks
  - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)
  - Addition of clock driver for Rockchip rk3308 SoCs
 
 Updates:
  - Add regulator support to the cdce925 clk driver
  - Add support for Raspberry Pi 4 bcm2711 SoCs
  - Add SDIO gate support to aspeed driver
  - Add missing of_node_put() calls in various clk drivers
  - Migrate Amlogic driver to new clock parent description method
  - Add DVFS support to Amlogic Meson g12
  - Add Amlogic Meson g12a reset support to the axg audio clock controller
  - Add sm1 support to the Amlogic Meson g12a clock controller
  - Switch i.MX8MM clock driver to platform driver
  - Add Hifi4 DSP related clocks for i.MX8QXP SoC
  - Fix Audio PLL setting and parent clock for USB
  - Misc i.MX8 clock driver improvements and corrections
  - Set floor ops for Qualcomm SD clks so that rounding works
  - Fix "always-on" Clock Domains on Renesas R-Car M1A, RZ/A1, RZ/A2, and RZ/N1
  - Enable the Allwinner V3 SoC and fix the i2s clock for H6
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have a small collection of core framework updates this time, mostly
  around clk registration by clk providers and debugfs "nice to haves"
  for rate constraints. I'll highlight that we're now setting the
  clk_init_data pointer inside struct clk_hw to NULL during
  clk_register(), which may break some drivers that thought they could
  use that pointer during normal operations. That change has been
  sitting in next for a while now but maybe something is still broken.
  We'l see. Other than that the core framework changes aren't invasive
  and they're fixing bugs, simplifying, and making things better.

  On the clk driver side we got the usual addition of new SoC support,
  new features for existing drivers, and bug fixes scattered throughout.
  The biggest diffstat is the Amlogic driver that gained CPU clk support
  in addition to migrating to the new way of specifying clk parents.
  After that the Qualcomm, i.MX, Mediatek, and Rockchip clk drivers got
  support for various new SoCs and clock controllers from those vendors.

  Core:
   - Drop NULL checks in clk debugfs
   - Add min/max rates to clk debugfs
   - Set clk_init_data pointer inside clk_hw to NULL after registration
   - Make clk_bulk_get_all() return an 'id' corresponding to clock-names
   - Evict parents from parent cache when they're unregistered

  New Drivers:
   - Add clock driver for i.MX8MN SoCs
   - Support aspeed AST2600 SoCs
   - Support for Mediatek MT6779 SoCs
   - Support qcom SM8150 GCC and RPMh clks
   - Support qcom QCS404 WCSS clks
   - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)
   - Addition of clock driver for Rockchip rk3308 SoCs

  Updates:
   - Add regulator support to the cdce925 clk driver
   - Add support for Raspberry Pi 4 bcm2711 SoCs
   - Add SDIO gate support to aspeed driver
   - Add missing of_node_put() calls in various clk drivers
   - Migrate Amlogic driver to new clock parent description method
   - Add DVFS support to Amlogic Meson g12
   - Add Amlogic Meson g12a reset support to the axg audio clock controller
   - Add sm1 support to the Amlogic Meson g12a clock controller
   - Switch i.MX8MM clock driver to platform driver
   - Add Hifi4 DSP related clocks for i.MX8QXP SoC
   - Fix Audio PLL setting and parent clock for USB
   - Misc i.MX8 clock driver improvements and corrections
   - Set floor ops for Qualcomm SD clks so that rounding works
   - Fix "always-on" Clock Domains on Renesas R-Car M1A, RZ/A1, RZ/A2, and RZ/N1
   - Enable the Allwinner V3 SoC and fix the i2s clock for H6"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits)
  clk: Drop !clk checks in debugfs dumping
  clk: imx: imx8mn: fix pll mux bit
  clk: imx: imx8mm: fix pll mux bit
  clk: imx: clk-pll14xx: unbypass PLL by default
  clk: imx: pll14xx: avoid glitch when set rate
  clk: mvebu: ap80x: add AP807 clock support
  clk: mvebu: ap806: Prepare the introduction of AP807 clock support
  clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
  clk: mvebu: ap806: be more explicit on what SaR is
  clk: mvebu: ap80x-cpu: add AP807 CPU clock support
  clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
  dt-bindings: ap806: Document AP807 clock compatible
  dt-bindings: ap80x: Document AP807 CPU clock compatible
  clk: sprd: add missing kfree
  clk: at91: allow 24 Mhz clock as input for PLL
  clk: Make clk_bulk_get_all() return a valid "id"
  clk: actions: Fix factor clk struct member access
  clk: qcom: rcg: Return failure for RCG update
  clk: remove extra ---help--- tags in Kconfig
  clk: add include guard to clk-conf.h
  ...
 2019-09-20 15:45:07 -07:00
Linus Torvalds 1ddd00276f VFIO updates for v5.4-rc1 
- Fix spapr iommu error case case (Alexey Kardashevskiy)
 
  - Consolidate region type definitions (Cornelia Huck)
 
  - Restore saved original PCI state on release (hexin)
 
  - Simplify mtty sample driver interrupt path (Parav Pandit)
 
  - Support for reporting valid IOVA regions to user (Shameer Kolothum)
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Merge tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix spapr iommu error case case (Alexey Kardashevskiy)

 - Consolidate region type definitions (Cornelia Huck)

 - Restore saved original PCI state on release (hexin)

 - Simplify mtty sample driver interrupt path (Parav Pandit)

 - Support for reporting valid IOVA regions to user (Shameer Kolothum)

* tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio:
  vfio_pci: Restore original state on release
  vfio/type1: remove duplicate retrieval of reserved regions
  vfio/type1: Add IOVA range capability support
  vfio/type1: check dma map request is within a valid iova range
  vfio/spapr_tce: Fix incorrect tce_iommu_group memory free
  vfio-mdev/mtty: Simplify interrupt generation
  vfio: re-arrange vfio region definitions
  vfio/type1: Update iova list on detach
  vfio/type1: Check reserved region conflict and update iova list
  vfio/type1: Introduce iova list and add iommu aperture validity check
 2019-09-20 15:06:13 -07:00
Linus Torvalds 45824fc0da powerpc updates for 5.4 
- Initial support for running on a system with an Ultravisor, which is software
    that runs below the hypervisor and protects guests against some attacks by
    the hypervisor.
 
  - Support for building the kernel to run as a "Secure Virtual Machine", ie. as
    a guest capable of running on a system with an Ultravisor.
 
  - Some changes to our DMA code on bare metal, to allow devices with medium
    sized DMA masks (> 32 && < 59 bits) to use more than 2GB of DMA space.
 
  - Support for firmware assisted crash dumps on bare metal (powernv).
 
  - Two series fixing bugs in and refactoring our PCI EEH code.
 
  - A large series refactoring our exception entry code to use gas macros, both
    to make it more readable and also enable some future optimisations.
 
 As well as many cleanups and other minor features & fixups.
 
 Thanks to:
   Adam Zerella, Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan, Aneesh
   Kumar K.V, Anju T Sudhakar, Anshuman Khandual, Balbir Singh, Benjamin
   Herrenschmidt, Cédric Le Goater, Christophe JAILLET, Christophe Leroy,
   Christopher M. Riedl, Christoph Hellwig, Claudio Carvalho, Daniel Axtens,
   David Gibson, David Hildenbrand, Desnes A. Nunes do Rosario, Ganesh Goudar,
   Gautham R. Shenoy, Greg Kurz, Guerney Hunt, Gustavo Romero, Halil Pasic, Hari
   Bathini, Joakim Tjernlund, Jonathan Neuschafer, Jordan Niethe, Leonardo Bras,
   Lianbo Jiang, Madhavan Srinivasan, Mahesh Salgaonkar, Mahesh Salgaonkar,
   Masahiro Yamada, Maxiwell S. Garcia, Michael Anderson, Nathan Chancellor,
   Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Qian Cai, Ram
   Pai, Ravi Bangoria, Reza Arbab, Ryan Grimm, Sam Bobroff, Santosh Sivaraj,
   Segher Boessenkool, Sukadev Bhattiprolu, Thiago Bauermann, Thiago Jung
   Bauermann, Thomas Gleixner, Tom Lendacky, Vasant Hegde.
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Merge tag 'powerpc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "This is a bit late, partly due to me travelling, and partly due to a
  power outage knocking out some of my test systems *while* I was
  travelling.

   - Initial support for running on a system with an Ultravisor, which
     is software that runs below the hypervisor and protects guests
     against some attacks by the hypervisor.

   - Support for building the kernel to run as a "Secure Virtual
     Machine", ie. as a guest capable of running on a system with an
     Ultravisor.

   - Some changes to our DMA code on bare metal, to allow devices with
     medium sized DMA masks (> 32 && < 59 bits) to use more than 2GB of
     DMA space.

   - Support for firmware assisted crash dumps on bare metal (powernv).

   - Two series fixing bugs in and refactoring our PCI EEH code.

   - A large series refactoring our exception entry code to use gas
     macros, both to make it more readable and also enable some future
     optimisations.

  As well as many cleanups and other minor features & fixups.

  Thanks to: Adam Zerella, Alexey Kardashevskiy, Alistair Popple, Andrew
  Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman Khandual,
  Balbir Singh, Benjamin Herrenschmidt, Cédric Le Goater, Christophe
  JAILLET, Christophe Leroy, Christopher M. Riedl, Christoph Hellwig,
  Claudio Carvalho, Daniel Axtens, David Gibson, David Hildenbrand,
  Desnes A. Nunes do Rosario, Ganesh Goudar, Gautham R. Shenoy, Greg
  Kurz, Guerney Hunt, Gustavo Romero, Halil Pasic, Hari Bathini, Joakim
  Tjernlund, Jonathan Neuschafer, Jordan Niethe, Leonardo Bras, Lianbo
  Jiang, Madhavan Srinivasan, Mahesh Salgaonkar, Mahesh Salgaonkar,
  Masahiro Yamada, Maxiwell S. Garcia, Michael Anderson, Nathan
  Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver
  O'Halloran, Qian Cai, Ram Pai, Ravi Bangoria, Reza Arbab, Ryan Grimm,
  Sam Bobroff, Santosh Sivaraj, Segher Boessenkool, Sukadev Bhattiprolu,
  Thiago Bauermann, Thiago Jung Bauermann, Thomas Gleixner, Tom
  Lendacky, Vasant Hegde"

* tag 'powerpc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (264 commits)
  powerpc/mm/mce: Keep irqs disabled during lockless page table walk
  powerpc: Use ftrace_graph_ret_addr() when unwinding
  powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
  ftrace: Look up the address of return_to_handler() using helpers
  powerpc: dump kernel log before carrying out fadump or kdump
  docs: powerpc: Add missing documentation reference
  powerpc/xmon: Fix output of XIVE IPI
  powerpc/xmon: Improve output of XIVE interrupts
  powerpc/mm/radix: remove useless kernel messages
  powerpc/fadump: support holes in kernel boot memory area
  powerpc/fadump: remove RMA_START and RMA_END macros
  powerpc/fadump: update documentation about option to release opalcore
  powerpc/fadump: consider f/w load area
  powerpc/opalcore: provide an option to invalidate /sys/firmware/opal/core file
  powerpc/opalcore: export /sys/firmware/opal/core for analysing opal crashes
  powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP
  powerpc/fadump: add support to preserve crash data on FADUMP disabled kernel
  powerpc/fadump: improve how crashed kernel's memory is reserved
  powerpc/fadump: consider reserved ranges while releasing memory
  powerpc/fadump: make crash memory ranges array allocation generic
  ...
 2019-09-20 11:48:06 -07:00
Linus Torvalds 8c2b418c3f arm64 fixes for -rc1 
- Fix clang build breakage with CONFIG_OPTIMIZE_INLINING=y
 
 - Fix compilation of pointer tagging selftest
 
 - Fix COND_SYSCALL definitions to work with CFI checks
 
 - Fix stale documentation reference in our Kconfig
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "We've had a few arm64 fixes trickle in this week. Nothing catastophic,
  but all things that should be addressed:

   - Fix clang build breakage with CONFIG_OPTIMIZE_INLINING=y

   - Fix compilation of pointer tagging selftest

   - Fix COND_SYSCALL definitions to work with CFI checks

   - Fix stale documentation reference in our Kconfig"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Fix reference to docs for ARM64_TAGGED_ADDR_ABI
  arm64: fix function types in COND_SYSCALL
  selftests, arm64: add kernel headers path for tags_test
  arm64: fix unreachable code issue with cmpxchg
 2019-09-20 11:42:07 -07:00
Linus Torvalds bb736a5c0e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel 
Pull Hexagon maintainership update from Richard Kuo:
 "I am leaving QuIC, and Brian Cain will be taking over maintainership
  of the Hexagon port"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel:
  Hexagon: change maintainer to Brian Cain
 2019-09-20 11:28:43 -07:00
Linus Torvalds 45979a956b Tracing updates: 
- Addition of multiprobes to kprobe and uprobe events
    Allows for more than one probe attached to the same location
 
  - Addition of adding immediates to probe parameters
 
  - Clean up of the recordmcount.c code. This brings us closer
    to merging recordmcount into objtool, and reuse code.
 
  - Other small clean ups
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Merge tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - Addition of multiprobes to kprobe and uprobe events (allows for more
   than one probe attached to the same location)

 - Addition of adding immediates to probe parameters

 - Clean up of the recordmcount.c code. This brings us closer to merging
   recordmcount into objtool, and reuse code.

 - Other small clean ups

* tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
  selftests/ftrace: Update kprobe event error testcase
  tracing/probe: Reject exactly same probe event
  tracing/probe: Fix to allow user to enable events on unloaded modules
  selftests/ftrace: Select an existing function in kprobe_eventname test
  tracing/kprobe: Fix NULL pointer access in trace_porbe_unlink()
  tracing: Make sure variable reference alias has correct var_ref_idx
  tracing: Be more clever when dumping hex in __print_hex()
  ftrace: Simplify ftrace hash lookup code in clear_func_from_hash()
  tracing: Add "gfp_t" support in synthetic_events
  tracing: Rename tracing_reset() to tracing_reset_cpu()
  tracing: Document the stack trace algorithm in the comments
  tracing/arm64: Have max stack tracer handle the case of return address after data
  recordmcount: Clarify what cleanup() does
  recordmcount: Remove redundant cleanup() calls
  recordmcount: Kernel style formatting
  recordmcount: Kernel style function signature formatting
  recordmcount: Rewrite error/success handling
  selftests/ftrace: Add syntax error test for multiprobe
  selftests/ftrace: Add syntax error test for immediates
  selftests/ftrace: Add a testcase for kprobe multiprobe event
  ...
 2019-09-20 11:19:48 -07:00
Linus Torvalds 3207598ab0 kgdb patches for 5.4-rc1 
It has been a quiet dev cycle for kgdb. There has been some good stuff
 for kdb on the mailing list but unfortunately the patches caused a
 couple of problems with the kdb pager so I had to drop those and they
 will have to wait for next time!
 
 That just leaves us with just a couple of very tiny clean ups for now:
 
  * Fix a broken comment
  * Use str_has_prefix() for the grep "pipe" in kdb
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "It has been a quiet dev cycle for kgdb. There has been some good stuff
  for kdb on the mailing list but unfortunately the patches caused a
  couple of problems with the kdb pager so I had to drop those and they
  will have to wait for next time!

  That just leaves us with just a couple of very tiny clean ups for now:

   - Fix a broken comment

   - Use str_has_prefix() for the grep "pipe" in kdb"

* tag 'kgdb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kgdb: fix comment regarding static function
  kdb: Replace strncmp with str_has_prefix
 2019-09-20 10:31:19 -07:00
Linus Torvalds b08918fb3f lz4: do not export static symbol 
Kbuild now complains (rightly) about it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2019-09-20 09:06:26 -07:00
Linus Torvalds d7b0827f28 Kbuild updates for v5.4 
- add modpost warn exported symbols marked as 'static' because 'static'
    and EXPORT_SYMBOL is an odd combination
 
  - break the build early if gold linker is used
 
  - optimize the Bison rule to produce .c and .h files by a single
    pattern rule
 
  - handle PREEMPT_RT in the module vermagic and UTS_VERSION
 
  - warn CONFIG options leaked to the user-space except existing ones
 
  - make single targets work properly
 
  - rebuild modules when module linker scripts are updated
 
  - split the module final link stage into scripts/Makefile.modfinal
 
  - fix the missed error code in merge_config.sh
 
  - improve the error message displayed on the attempt of the O= build
    in unclean source tree
 
  - remove 'clean-dirs' syntax
 
  - disable -Wimplicit-fallthrough warning for Clang
 
  - add CONFIG_CC_OPTIMIZE_FOR_SIZE_O3 for ARC
 
  - remove ARCH_{CPP,A,C}FLAGS variables
 
  - add $(BASH) to run bash scripts
 
  - change *CFLAGS_<basetarget>.o to take the relative path to $(obj)
    instead of the basename
 
  - stop suppressing Clang's -Wunused-function warnings when W=1
 
  - fix linux/export.h to avoid genksyms calculating CRC of trimmed
    exported symbols
 
  - misc cleanups
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Merge tag 'kbuild-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - add modpost warn exported symbols marked as 'static' because 'static'
   and EXPORT_SYMBOL is an odd combination

 - break the build early if gold linker is used

 - optimize the Bison rule to produce .c and .h files by a single
   pattern rule

 - handle PREEMPT_RT in the module vermagic and UTS_VERSION

 - warn CONFIG options leaked to the user-space except existing ones

 - make single targets work properly

 - rebuild modules when module linker scripts are updated

 - split the module final link stage into scripts/Makefile.modfinal

 - fix the missed error code in merge_config.sh

 - improve the error message displayed on the attempt of the O= build in
   unclean source tree

 - remove 'clean-dirs' syntax

 - disable -Wimplicit-fallthrough warning for Clang

 - add CONFIG_CC_OPTIMIZE_FOR_SIZE_O3 for ARC

 - remove ARCH_{CPP,A,C}FLAGS variables

 - add $(BASH) to run bash scripts

 - change *CFLAGS_<basetarget>.o to take the relative path to $(obj)
   instead of the basename

 - stop suppressing Clang's -Wunused-function warnings when W=1

 - fix linux/export.h to avoid genksyms calculating CRC of trimmed
   exported symbols

 - misc cleanups

* tag 'kbuild-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (63 commits)
  genksyms: convert to SPDX License Identifier for lex.l and parse.y
  modpost: use __section in the output to *.mod.c
  modpost: use MODULE_INFO() for __module_depends
  export.h, genksyms: do not make genksyms calculate CRC of trimmed symbols
  export.h: remove defined(__KERNEL__), which is no longer needed
  kbuild: allow Clang to find unused static inline functions for W=1 build
  kbuild: rename KBUILD_ENABLE_EXTRA_GCC_CHECKS to KBUILD_EXTRA_WARN
  kbuild: refactor scripts/Makefile.extrawarn
  merge_config.sh: ignore unwanted grep errors
  kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)
  modpost: add NOFAIL to strndup
  modpost: add guid_t type definition
  kbuild: add $(BASH) to run scripts with bash-extension
  kbuild: remove ARCH_{CPP,A,C}FLAGS
  kbuild,arc: add CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 for ARC
  kbuild: Do not enable -Wimplicit-fallthrough for clang for now
  kbuild: clean up subdir-ymn calculation in Makefile.clean
  kbuild: remove unneeded '+' marker from cmd_clean
  kbuild: remove clean-dirs syntax
  kbuild: check clean srctree even earlier
  ...
 2019-09-20 08:36:47 -07:00
Linus Torvalds 574cc45397 drm main pull for 5.4-rc1 
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Merge tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This is the main pull request for 5.4-rc1 merge window. I don't think
  there is anything outstanding so next week should just be fixes, but
  we'll see if I missed anything. I landed some fixes earlier in the
  week but got delayed writing summary and sending it out, due to a mix
  of sick kid and jetlag!

  There are some fixes pending, but I'd rather get the main merge out of
  the way instead of delaying it longer.

  It's also pretty large in commit count and new amd header file size.
  The largest thing is four new amdgpu products (navi12/14, arcturus and
  renoir APU support).

  Otherwise it's pretty much lots of work across the board, i915 has
  started landing tigerlake support, lots of icelake fixes and lots of
  locking reworking for future gpu support, lots of header file rework
  (drmP.h is nearly gone), some old legacy hacks (DRM_WAIT_ON) have been
  put into the places they are needed.

  uapi:
   - content protection type property for HDCP

  core:
   - rework include dependencies
   - lots of drmP.h removals
   - link rate calculation robustness fix
   - make fb helper map only when required
   - add connector->DDC adapter link
   - DRM_WAIT_ON removed
   - drop DRM_AUTH usage from drivers

  dma-buf:
   - reservation object fence helper

  dma-fence:
   - shrink dma_fence struct
   - merge signal functions
   - store timestamps in dma_fence
   - selftests

  ttm:
   - embed drm_get_object struct into ttm_buffer_object
   - release_notify callback

  bridges:
   - sii902x - audio graph card support
   - tc358767 - aux data handling rework
   - ti-snd64dsi86 - debugfs support, DSI mode flags support

  panels:
   - Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech
     COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191, Boe
     Himax8279d, Sharp LD-D5116Z01B
   - TI nspire, NEC NL8048HL11, LG Philips LB035Q02, Sharp LS037V7DW01,
     Sony ACX565AKM, Toppoly TD028TTEC1 Toppoly TD043MTEA1

  i915:
   - Initial tigerlake platform support
   - Locking simplification work, general all over refactoring.
   - Selftests
   - HDCP debug info improvements
   - DSI properties
   - Icelake display PLL fixes, colorspace fixes, bandwidth fixes, DSI
     suspend/resume
   - GuC fixes
   - Perf fixes
   - ElkhartLake enablement
   - DP MST fixes
   - GVT - command parser enhancements

  amdgpu:
   - add wipe memory on release flag for buffer creation
   - Navi12/14 support (may be marked experimental)
   - Arcturus support
   - Renoir APU support
   - mclk DPM for Navi
   - DC display fixes
   - Raven scatter/gather support
   - RAS support for GFX
   - Navi12 + Arcturus power features
   - GPU reset for Picasso
   - smu11 i2c controller support

  amdkfd:
   - navi12/14 support
   - Arcturus support

  radeon:
   - kexec fix

  nouveau:
   - improved display color management
   - detect lack of GPU power cables

  vmwgfx:
   - evicition priority support
   - remove unused security feature

  msm:
   - msm8998 display support
   - better async commit support for cursor updates

  etnaviv:
   - per-process address space support
   - performance counter fixes
   - softpin support

  mcde:
   - DCS transfers fix

  exynos:
   - drmP.h cleanup

  lima:
   - reduce logging

  kirin:
   - misc clenaups

  komeda:
   - dual-link support
   - DT memory regions

  hisilicon:
   - misc fixes

  imx:
   - IPUv3 image converter fixes
   - 32-bit RGB V4L2 pixel format support

  ingenic:
   - more support for panel related cases

  mgag200:
   - cursor support fix

  panfrost:
   - export GPU features register to userspace
   - gpu heap allocations
   - per-fd address space support

  pl111:
   - CLD pads wiring support removed from DT

  rockchip:
   - rework to use DRM PSR helpers
   - fix bug in VOP_WIN_GET macro
   - DSI DT binding rework

  sun4i:
   - improve support for color encoding and range
   - DDC enabled GPIO

  tinydrm:
   - rework SPI support
   - improve MIPI-DBI support
   - moved to drm/tiny

  vkms:
   - rework CRC tracking

  dw-hdmi:
   - get_eld and i2s improvements

  gm12u320:
   - misc fixes

  meson:
   - global code cleanup
   - vpu feature detect

  omap:
   - alpha/pixel blend mode properties

  rcar-du:
   - misc fixes"

* tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm: (2112 commits)
  drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init
  drm/nouveau: Fix ordering between TTM and GEM release
  drm/nouveau/prime: Extend DMA reservation object lock
  drm/nouveau: Fix fallout from reservation object rework
  drm/nouveau/kms/nv50-: Don't create MSTMs for eDP connectors
  drm/i915: Use NOEVICT for first pass on attemping to pin a GGTT mmap
  drm/i915: to make vgpu ppgtt notificaiton as atomic operation
  drm/i915: Flush the existing fence before GGTT read/write
  drm/i915: Hold irq-off for the entire fake lock period
  drm/i915/gvt: update RING_START reg of vGPU when the context is submitted to i915
  drm/i915/gvt: update vgpu workload head pointer correctly
  drm/mcde: Fix DSI transfers
  drm/msm: Use the correct dma_sync calls harder
  drm/msm: remove unlikely() from WARN_ON() conditions
  drm/msm/dsi: Fix return value check for clk_get_parent
  drm/msm: add atomic traces
  drm/msm/dpu: async commit support
  drm/msm: async commit support
  drm/msm: split power control from prepare/complete_commit
  drm/msm: add kms->flush_commit()
  ...
 2019-09-19 16:24:24 -07:00
Stephen Boyd ebd47c8434 Merge branches 'clk-bulk-fix', 'clk-at91' and 'clk-sprd' into clk-next 
- Make clk_bulk_get_all() return an 'id' corresponding to clock-names

* clk-bulk-fix:
  clk: Make clk_bulk_get_all() return a valid "id"

* clk-at91:
  clk: at91: allow 24 Mhz clock as input for PLL
  clk: at91: select parent if main oscillator or bypass is enabled
  clk: at91: fix update bit maps on CFG_MOR write

* clk-sprd:
  clk: sprd: add missing kfree
 2019-09-19 15:31:59 -07:00
Stephen Boyd b6c444de05 Merge branches 'clk-cdce-regulator', 'clk-bcm', 'clk-evict-parent-cache' and 'clk-actions' into clk-next 
- Add regulator support to the cdce925 clk driver
 - Add support for Raspberry Pi 4 bcm2711 SoCs
 - Evict parents from parent cache when they're unregistered

* clk-cdce-regulator:
  clk: clk-cdce925: Add regulator support
  dt-bindings: clock: cdce925: Add regulator documentation

* clk-bcm:
  clk: bcm2835: Mark PLLD_PER as CRITICAL
  clk: bcm2835: Add BCM2711_CLOCK_EMMC2 support
  clk: bcm2835: Introduce SoC specific clock registration
  dt-bindings: bcm2835-cprman: Add bcm2711 support

* clk-evict-parent-cache:
  clk: Evict unregistered clks from parent caches

* clk-actions:
  clk: actions: Fix factor clk struct member access
 2019-09-19 15:31:46 -07:00
Stephen Boyd 91bcbc11d6 Merge branches 'clk-renesas', 'clk-rockchip', 'clk-const' and 'clk-simplify' into clk-next 
* clk-renesas:
  clk: renesas: cpg-mssr: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: r9a06g032: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: mstp: Set GENPD_FLAG_ALWAYS_ON for clock domain
  dt-bindings: clk: emev2: Rename bindings documentation file
  clk: renesas: rcar-usb2-clock-sel: Use devm_platform_ioremap_resource() helper

* clk-rockchip:
  clk: rockchip: Add clock controller for the rk3308
  clk: rockchip: Add dt-binding header for rk3308
  dt-bindings: Add bindings for rk3308 clock controller
  clk: rockchip: Fix -Wunused-const-variable in rv1108 clk driver

* clk-const:
  clk: spear: Make structure i2s_sclk_masks constant

* clk-simplify:
  clk/ti: Use kmemdup rather than duplicating its implementation
  clk: fix devm_platform_ioremap_resource.cocci warnings
 2019-09-19 15:31:41 -07:00
Stephen Boyd a1ff1ce300 Merge branches 'clk-init-destroy', 'clk-doc', 'clk-imx' and 'clk-allwinner' into clk-next 
- Set clk_init_data pointer inside clk_hw to NULL after registration

* clk-init-destroy:
  clk: Overwrite clk_hw::init with NULL during clk_register()
  clk: sunxi: Don't call clk_hw_get_name() on a hw that isn't registered
  clk: ti: Don't reference clk_init_data after registration
  clk: qcom: Remove error prints from DFS registration
  rtc: sun6i: Don't reference clk_init_data after registration
  clk: zx296718: Don't reference clk_init_data after registration
  clk: milbeaut: Don't reference clk_init_data after registration
  clk: socfpga: deindent code to proper indentation
  phy: ti: am654-serdes: Don't reference clk_init_data after registration
  clk: sprd: Don't reference clk_init_data after registration
  clk: socfpga: Don't reference clk_init_data after registration
  clk: sirf: Don't reference clk_init_data after registration
  clk: qcom: Don't reference clk_init_data after registration
  clk: meson: axg-audio: Don't reference clk_init_data after registration
  clk: lochnagar: Don't reference clk_init_data after registration
  clk: actions: Don't reference clk_init_data after registration

* clk-doc:
  clk: remove extra ---help--- tags in Kconfig
  clk: add include guard to clk-conf.h
  clk: Document of_parse_clkspec() some more
  clk: Remove extraneous 'for' word in comments

* clk-imx: (32 commits)
  clk: imx: imx8mn: fix pll mux bit
  clk: imx: imx8mm: fix pll mux bit
  clk: imx: clk-pll14xx: unbypass PLL by default
  clk: imx: pll14xx: avoid glitch when set rate
  clk: imx: imx8mn: fix audio pll setting
  clk: imx8mn: Add necessary frequency support for ARM PLL table
  clk: imx8mn: Add missing rate_count assignment for each PLL structure
  clk: imx8mn: fix int pll clk gate
  clk: imx8mn: Add GIC clock
  clk: imx8mn: Fix incorrect parents
  clk: imx8mm: Fix incorrect parents
  clk: imx8mq: Fix sys3 pll references
  clk: imx8mq: Unregister clks when of_clk_add_provider failed
  clk: imx8mm: Unregister clks when of_clk_add_provider failed
  clk: imx8mq: Mark AHB clock as critical
  clk: imx8mn: Keep uart clocks on for early console
  clk: imx: Remove unused function statement
  clk: imx7ulp: Make sure earlycon's clock is enabled
  clk: imx8mm: Switch to platform driver
  clk: imx: imx8mm: fix audio pll setting
  ...

* clk-allwinner:
  clk: sunxi-ng: h6: Allow I2S to change parent rate
  clk: sunxi-ng: v3s: add Allwinner V3 support
  clk: sunxi-ng: v3s: add missing clock slices for MMC2 module clocks
  dt-bindings: clk: sunxi-ccu: add compatible string for V3 CCU
  clk: sunxi-ng: v3s: add the missing PLL_DDR1
 2019-09-19 15:31:27 -07:00
Stephen Boyd f5c7305db3 Merge branches 'clk-qcom', 'clk-mtk', 'clk-armada', 'clk-ingenic' and 'clk-meson' into clk-next 
- Support qcom SM8150 RPMh clks
 - Set floor ops for qcom sd clks
 - Support qcom QCS404 WCSS clks
 - Support for Mediatek MT6779 SoCs
 - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)

* clk-qcom:
  clk: qcom: rcg: Return failure for RCG update
  clk: qcom: fix QCS404 TuringCC regmap
  clk: qcom: clk-rpmh: Add support for SM8150
  dt-bindings: clock: Document SM8150 rpmh-clock compatible
  clk: qcom: clk-rpmh: Convert to parent data scheme
  dt-bindings: clock: Document the parent clocks
  clk: qcom: gcc: Use floor ops for SDCC clocks
  clk: qcom: gcc-qcs404: Use floor ops for sdcc clks
  clk: qcom: gcc-sdm845: Use floor ops for sdcc clks
  clk: qcom: define probe by index API as common API
  clk: qcom: Add WCSS gcc clock control for QCS404
  clk: qcom: msm8916: Don't build by default
  clk: qcom: gcc: Add global clock controller driver for SM8150
  dt-bindings: clock: Document gcc bindings for SM8150
  clk: qcom: clk-alpha-pll: Add support for Trion PLLs
  clk: qcom: clk-alpha-pll: Remove post_div_table checks
  clk: qcom: clk-alpha-pll: Remove unnecessary cast

* clk-mtk:
  clk: mediatek: Runtime PM support for MT8183 mcucfg clock provider
  clk: mediatek: Register clock gate with device
  clk: mediatek: add pericfg clocks for MT8183
  dt-bindings: clock: mediatek: add pericfg for MT8183
  clk: mediatek: Add MT6779 clock support
  clk: mediatek: Add dt-bindings for MT6779 clocks
  dt-bindings: mediatek: bindings for MT6779 clk
  clk: reset: Modify reset-controller driver

* clk-armada:
  clk: mvebu: ap80x: add AP807 clock support
  clk: mvebu: ap806: Prepare the introduction of AP807 clock support
  clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
  clk: mvebu: ap806: be more explicit on what SaR is
  clk: mvebu: ap80x-cpu: add AP807 CPU clock support
  clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
  dt-bindings: ap806: Document AP807 clock compatible
  dt-bindings: ap80x: Document AP807 CPU clock compatible
  clk: mvebu: ap806: Fix clock name for the cluster
  clk: mvebu: add CPU clock driver for Armada 7K/8K
  clk: mvebu: add helper file for Armada AP and CP clocks
  dt-bindings: ap806: add the cluster clock node in the syscon file

* clk-ingenic:
  clk: ingenic: Use CLK_OF_DECLARE_DRIVER macro
  clk: ingenic/jz4740: Fix "pll half" divider not read/written properly

* clk-meson: (23 commits)
  clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
  clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
  clk: meson: g12a: add support for SM1 GP1 PLL
  dt-bindings: clk: meson: add sm1 periph clock controller bindings
  clk: meson: axg-audio: add g12a reset support
  dt-bindings: clock: meson: add resets to the audio clock controller
  clk: meson: g12a: expose CPUB clock ID for G12B
  clk: meson: g12a: add notifiers to handle cpu clock change
  clk: meson: add g12a cpu dynamic divider driver
  clk: core: introduce clk_hw_set_parent()
  clk: meson: remove clk input helper
  clk: meson: remove ee input bypass clocks
  clk: meson: clk-regmap: migrate to new parent description method
  clk: meson: meson8b: migrate to the new parent description method
  clk: meson: axg: migrate to the new parent description method
  clk: meson: gxbb: migrate to the new parent description method
  clk: meson: g12a: migrate to the new parent description method
  clk: meson: remove ao input bypass clocks
  clk: meson: axg-aoclk: migrate to the new parent description method
  clk: meson: gxbb-aoclk: migrate to the new parent description method
  ...
 2019-09-19 15:30:59 -07:00
Stephen Boyd cee99529ee Merge branches 'clk-aspeed', 'clk-unused', 'clk-of-node-put', 'clk-const-bulk-data' and 'clk-debugfs' into clk-next 
- Add SDIO gate to aspeed driver
 - Support aspeed AST2600 SoC
 - Add missing of_node_put() calls in various clk drivers
 - Drop NULL checks in clk debugfs
 - Add min/max rates to clk debugfs

* clk-aspeed:
  clk: Add support for AST2600 SoC
  clk: aspeed: Move structures to header
  clk: aspeed: Add SDIO gate

* clk-unused:
  clk: st: clkgen-pll: remove unused variable 'st_pll3200c32_407_a0'
  clk: st: clkgen-fsyn: remove unused variable 'st_quadfs_fs660c32_ops'
  clk: composite: Drop unused clk.h include
  clk: Si5341/Si5340: remove redundant assignment to n_den
  clk: qoriq: Fix -Wunused-const-variable

* clk-of-node-put:
  clk: ti: dm814x: Add of_node_put() to prevent memory leak
  clk: st: clk-flexgen: Add of_node_put() in st_of_flexgen_setup()
  clk: davinci: pll: Add of_node_put() in of_davinci_pll_init()
  clk: versatile: Add of_node_put() in cm_osc_setup()

* clk-const-bulk-data:
  clk: Constify struct clk_bulk_data * where possible

* clk-debugfs:
  clk: Drop !clk checks in debugfs dumping
  clk: Use seq_puts() in possible_parent_show()
  clk: Assert prepare_lock in clk_core_get_boundaries
  clk: Add clk_min/max_rate entries in debugfs
 2019-09-19 15:30:40 -07:00
Stephen Boyd 7f4804665b clk: Drop !clk checks in debugfs dumping 
These recursive functions have checks for !clk being passed in, but the
callers are always looping through lists and therefore the pointers
can't be NULL. Drop the checks to simplify the code.

Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190826234729.145593-1-sboyd@kernel.org
 2019-09-19 15:26:36 -07:00
Linus Torvalds 3c2edc36a7 This is the bulk of pin control changes for the v5.4 kernel 
cycle:
 
 Core changes:
 
 - Fix errors in example code in the documentation.
 
 New drivers:
 
 - Add support for JZ4760, JZ4760B, X1000, X1000E and X1500 to
   the Ingenic driver.
 
 - Support Cirrus Logic Madera CS47L92 and CS47L15.
 
 - Support Allwinner Sunxi V3S.
 
 - Support Aspeed 2600 BMC.
 
 - Support Qualcomm SC7180.
 
 - Support Marvell MVEBU CS115.
 
 Driver improvements:
 
 - Clean up a few drivers to use the devm_platform_ioremap_resource()
   helper.
 
 - Pass the irqchip when registering the gpio_chip in some pin
   controllers that are also GPIO controllers.
 
 - Support suspend/resume in the Tegra driver.
 
 - Support pull-up on the Broadcom BCM2711.
 
 - The Intel driver can now request locked pads.
 
 - Fix the UFS reset pin in the Qualcomm SDM845 driver.
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Merge tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v5.4 kernel cycle:

  Core changes:

   - Fix errors in example code in the documentation.

  New drivers:

   - Add support for JZ4760, JZ4760B, X1000, X1000E and X1500 to the
     Ingenic driver.

   - Support Cirrus Logic Madera CS47L92 and CS47L15.

   - Support Allwinner Sunxi V3S.

   - Support Aspeed 2600 BMC.

   - Support Qualcomm SC7180.

   - Support Marvell MVEBU CS115.

  Driver improvements:

   - Clean up a few drivers to use the devm_platform_ioremap_resource()
     helper.

   - Pass the irqchip when registering the gpio_chip in some pin
     controllers that are also GPIO controllers.

   - Support suspend/resume in the Tegra driver.

   - Support pull-up on the Broadcom BCM2711.

   - The Intel driver can now request locked pads.

   - Fix the UFS reset pin in the Qualcomm SDM845 driver"

* tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits)
  pinctrl: meson-gxbb: Fix wrong pinning definition for uart_c
  pinctrl: sh-pfc: Unlock on error in sh_pfc_func_set_mux()
  pinctrl: bcm: remove redundant assignment to pointer log
  pinctrl: iproc: Add 'get_direction' support
  pinctrl: iproc-gpio: Handle interrupts for multiple instances
  pinctrl: iproc-gpio: Fix incorrect pinconf configurations
  pinctrl: intel: mark intel_pin_to_gpio __maybe_unused
  pinctrl: qcom: sdm845: Fix UFS_RESET pin
  pinctrl: mvebu: add additional variant for standalone CP115
  pinctrl: mvebu: Add CP110 missing pin functionality
  dt-bindings: cp110: document the new CP115 pinctrl compatible
  pinctrl: bcm2835: Pass irqchip when adding gpiochip
  pinctrl: meson: meson: Add of_node_put() before return
  pinctrl/gpio: Take MUX usage into account
  dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150l support
  dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150b support
  dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150 support
  pinctrl: amd: disable spurious-firing GPIO IRQs
  pinctrl: rza2: Include the appropriate headers
  pinctrl: rza2: Drop driver use of consumer flags
  ...
 2019-09-19 14:19:33 -07:00
Linus Torvalds 32b90daf5c chrome platform changes for v5.4 
* CrOS EC / MFD Migration
  - Move cros_ec core driver from mfd into chrome platform.
 
 * Wilco EC:
  - Add batt_ppid_info command to Wilco telemetry driver.
 
 * CrOS EC:
  - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
  - cros_ec_rpmsg : Fix race condition on probe failed
  - cros_ec_chardev : Add a poll handler to receive MKBP events
 
 * Misc:
  - bugfixes in cros_usbpd_logger and cros_ec_ishtp
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Merge tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC / MFD Migration:
    - Move cros_ec core driver from mfd into chrome platform.

  Wilco EC:
    - Add batt_ppid_info command to Wilco telemetry driver.

  CrOS EC:
    - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
    - cros_ec_rpmsg : Fix race condition on probe failed
    - cros_ec_chardev : Add a poll handler to receive MKBP events

  Misc:
    - bugfixes in cros_usbpd_logger and cros_ec_ishtp"

* tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue
  platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events
  platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed
  platform/chrome: chromeos_tbmc: Report wake events
  mfd: cros_ec: Use mfd_add_hotplug_devices() helper
  mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices
  mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs
  mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper
  mfd / platform: cros_ec: Reorganize platform and mfd includes
  mfd / platform: cros_ec: Rename config to a better name
  mfd: cros_ec: Switch to use the new cros-ec-chardev driver
  mfd / platform: cros_ec: Miscellaneous character device to talk with the EC
  mfd / platform: cros_ec: Move cros-ec core driver out from MFD
  mfd / platform: cros_ec: Handle chained ECs as platform devices
  platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
  platform/chrome: chromeos_laptop: drop checks of NULL-safe functions
  platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
 2019-09-19 14:14:28 -07:00
Linus Torvalds c6cfaf4f86 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input updates from Dmitry Torokhov:

 - input core allows hardware drivers to specify a [more precise]
   timestamp (normally taken in top half) to better track velocity of
   contacts

 - input_dev instances now support "polling" mode so that drivers could
   use the same object for polled and interrupt-driven operation. The
   plan is to convert existing drivers and retire input_polled_dev API

 - a new driver for the FlySky FS-iA6B RC receiver

 - a refresh of BU21013 touchpad driver

 - w90x900 keyboard and touchpad drivers are removed as the platform is
   gone

 - assorted fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
  Input: sidewinder - make array seq static const, makes object smaller
  Input: reset device timestamp on sync
  Input: bu21013_ts - switch to using standard touchscreen properties
  Input: bu21013_ts - switch to using MT-B (slotted) protocol
  Input: bu21013_ts - fix suspend when wake source
  Input: bu21013_ts - use interrupt from I2C client
  Input: bu21013_ts - remove support for platform data
  Input: bu21013_ts - convert to using managed resources
  Input: bu21013_ts - remove useless comments
  Input: bu21013_ts - annotate supend/resume methods as __maybe_unused
  Input: bu21013_ts - rename some variables
  Input: bu21013_ts - convert to use GPIO descriptors
  ARM: ux500: improve BU21013 touchpad bindings
  Input: i8042 - enable wakeup on a stable struct device
  Input: soc_button_array - use platform_device_register_resndata()
  Input: psmouse - drop all unneeded functions from mouse headers
  Input: add support for polling to input devices
  Input: wacom_w8001 - allocate additional space for 'phys'
  Input: cros_ec_keyb - add back missing mask for event_type
  Input: remove dev_err() usage after platform_get_irq()
  ...
 2019-09-19 14:10:54 -07:00
Linus Torvalds a9f8b38a07 IPMI: A few minor fixes and some cosmetic changes. 
Nothing big here, but some minor things that people have found and
 some minor reworks for names and include files.
 
 Thanks,
 
 -corey
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Merge tag 'for-linus-5.4-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "A few minor fixes and some cosmetic changes.

  Nothing big here, but some minor things that people have found and
  some minor reworks for names and include files"

* tag 'for-linus-5.4-1' of git://github.com/cminyard/linux-ipmi:
  ipmi_si_intf: Fix race in timer shutdown handling
  ipmi: move message error checking to avoid deadlock
  ipmi_ssif: avoid registering duplicate ssif interface
  ipmi: Free receive messages when in an oops
  ipmi_si: Only schedule continuously in the thread in maintenance mode
  ipmi_si: Remove ipmi_ from the device attr names
  ipmi_si: Convert device attr permissions to octal
  ipmi_si: Rework some include files
  ipmi_si: Convert timespec64 to timespec
 2019-09-19 14:08:45 -07:00
Linus Torvalds b682242f60 - qcom : enable support for ipq8074, sm1850 and sm7180. 
add child device node for qcs404.
          misc fixes.
 
 - mediatek : enable support for mt8183.
           misc rejig of cmdq driver.
           new client-reg dt property.
 
 - armada: use device-managed registration api
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Merge tag 'mailbox-v5.4' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - qcom:
     - enable support for ipq8074, sm1850 and sm7180
     - add child device node for qcs404
     - misc fixes

 - mediatek:
     - enable support for mt8183
     - misc rejig of cmdq driver
     - new client-reg dt property

 - armada:
     - use device-managed registration api

* tag 'mailbox-v5.4' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: qcom-apcs: fix max_register value
  mailbox: qcom: Add support for IPQ8074 APCS
  dt-bindings: mailbox: qom: Add ipq8074 APPS compatible
  mailbox: qcom: Add support for Qualcomm SM8150 and SC7180 SoCs
  dt-bindings: mailbox: Add APSS shared for SM8150 and SC7180 SoCs
  mbox: qcom: replace integer with valid macro
  mbox: qcom: add APCS child device for QCS404
  mailbox: mediatek: cmdq: clear the event in cmdq initial flow
  mailbox: mediatek: cmdq: support mt8183 gce function
  mailbox: mediatek: cmdq: move the CMDQ_IRQ_MASK into cmdq driver data
  dt-binding: gce: add binding for gce client reg property
  dt-binding: gce: add gce header file for mt8183
  dt-binding: gce: remove thread-num property
  mailbox: armada-37xx-rwtm: Use device-managed registration API
 2019-09-19 14:01:47 -07:00
Linus Torvalds e3a008ac12 Devicetree updates for v5.4: 
- A bunch of DT binding conversions to DT schema format
 
 - Clean-ups of the Arm idle-states binding
 
 - Support a default number of cells in of_for_each_phandle() when the
   cells name is missing
 
 - Expose dtbs_check and dt_binding_check in the make help
 
 - Convert writting-schema.md to ReST
 
 - HiSilicon reset controller binding updates
 
 - Add documentation for MT8516 RNG
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Merge tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - a bunch of DT binding conversions to DT schema format

 - clean-ups of the Arm idle-states binding

 - support a default number of cells in of_for_each_phandle() when the
   cells name is missing

 - expose dtbs_check and dt_binding_check in the make help

 - convert writting-schema.md to ReST

 - HiSilicon reset controller binding updates

 - add documentation for MT8516 RNG

* tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (46 commits)
  of: restore old handling of cells_name=NULL in of_*_phandle_with_args()
  bus: qcom: fix spelling mistake "ambigous" -> "ambiguous"
  of: Let of_for_each_phandle fallback to non-negative cell_count
  iommu: pass cell_count = -1 to of_for_each_phandle with cells_name
  dt-bindings: arm: Convert Realtek board/soc bindings to json-schema
  dt-bindings: arm: Convert Actions Semi bindings to jsonschema
  dt-bindings: Correct spelling in example schema
  dt-bindings: cpu: Add a support cpu type for cortex-a55
  dt-bindings: gpu: mali-midgard: Add samsung exynos5250 compatible
  dt-bindings: arm: idle-states: Move exit-latency-us explanation
  dt-bindings: arm: idle-states: Add punctuation to improve readability
  dt-bindings: arm: idle-states: Correct "constraint guarantees"
  dt-bindings: arm: idle-states: Correct references to wake-up delay
  dt-bindings: arm: idle-states: Use "e.g." and "i.e." consistently
  pinctrl-mcp23s08: Fix property-name in dt-example
  dt-bindings: Clarify interrupts-extended usage
  dt-bindings: Convert Arm Mali Utgard GPU to DT schema
  dt-bindings: Convert Arm Mali Bifrost GPU to DT schema
  dt-bindings: Convert Arm Mali Midgard GPU to DT schema
  dt-bindings: irq: Convert Allwinner NMI Controller to a schema
  ...
 2019-09-19 13:48:37 -07:00
Linus Torvalds 671df18953 dma-mapping updates for 5.4: 
- add dma-mapping and block layer helpers to take care of IOMMU
    merging for mmc plus subsequent fixups (Yoshihiro Shimoda)
  - rework handling of the pgprot bits for remapping (me)
  - take care of the dma direct infrastructure for swiotlb-xen (me)
  - improve the dma noncoherent remapping infrastructure (me)
  - better defaults for ->mmap, ->get_sgtable and ->get_required_mask (me)
  - cleanup mmaping of coherent DMA allocations (me)
  - various misc cleanups (Andy Shevchenko, me)
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Merge tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - add dma-mapping and block layer helpers to take care of IOMMU merging
   for mmc plus subsequent fixups (Yoshihiro Shimoda)

 - rework handling of the pgprot bits for remapping (me)

 - take care of the dma direct infrastructure for swiotlb-xen (me)

 - improve the dma noncoherent remapping infrastructure (me)

 - better defaults for ->mmap, ->get_sgtable and ->get_required_mask
   (me)

 - cleanup mmaping of coherent DMA allocations (me)

 - various misc cleanups (Andy Shevchenko, me)

* tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping: (41 commits)
  mmc: renesas_sdhi_internal_dmac: Add MMC_CAP2_MERGE_CAPABLE
  mmc: queue: Fix bigger segments usage
  arm64: use asm-generic/dma-mapping.h
  swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page
  swiotlb-xen: simplify cache maintainance
  swiotlb-xen: use the same foreign page check everywhere
  swiotlb-xen: remove xen_swiotlb_dma_mmap and xen_swiotlb_dma_get_sgtable
  xen: remove the exports for xen_{create,destroy}_contiguous_region
  xen/arm: remove xen_dma_ops
  xen/arm: simplify dma_cache_maint
  xen/arm: use dev_is_dma_coherent
  xen/arm: consolidate page-coherent.h
  xen/arm: use dma-noncoherent.h calls for xen-swiotlb cache maintainance
  arm: remove wrappers for the generic dma remap helpers
  dma-mapping: introduce a dma_common_find_pages helper
  dma-mapping: always use VM_DMA_COHERENT for generic DMA remap
  vmalloc: lift the arm flag for coherent mappings to common code
  dma-mapping: provide a better default ->get_required_mask
  dma-mapping: remove the dma_declare_coherent_memory export
  remoteproc: don't allow modular build
  ...
 2019-09-19 13:27:23 -07:00
Linus Torvalds c9fe5630da configfs updates for 5.4: 
- fix a symlink deadlock (Al Viro)
  - various cleanups (Al Viro, me)
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Merge tag 'configfs-for-5.4' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:

 - fix a symlink deadlock (Al Viro)

 - various cleanups (Al Viro, me)

* tag 'configfs-for-5.4' of git://git.infradead.org/users/hch/configfs:
  configfs: calculate the symlink target only once
  configfs: make configfs_create() return inode
  configfs: factor dirent removal into helpers
  configfs: fix a deadlock in configfs_symlink()
 2019-09-19 13:09:28 -07:00
Brian Cain 18dd1793a3 Hexagon: change maintainer to Brian Cain 
Signed-off-by: Brian Cain <bcain@codeaurora.org>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2019-09-19 14:58:15 -05:00
Linus Torvalds 7e3d2c8210 various cifs/smb3 fixes (including for share deleted cases) and features including improved encrypted read performance, and various debugging improvements 
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Merge tag '5.4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:
 "Various cifs/smb3 fixes (including for share deleted cases) and
  features including improved encrypted read performance, and various
  debugging improvements.

  Note that since I am at a test event this week with the Samba team,
  and at the annual Storage Developer Conference/SMB3 Plugfest test
  event next week a higher than usual number of fixes is expected later
  next week as other features in progress get additional testing and
  review during these two events"

* tag '5.4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (38 commits)
  cifs: update internal module version number
  cifs: modefromsid: write mode ACE first
  cifs: cifsroot: add more err checking
  smb3: add missing worker function for SMB3 change notify
  cifs: Add support for root file systems
  cifs: modefromsid: make room for 4 ACE
  smb3: fix potential null dereference in decrypt offload
  smb3: fix unmount hang in open_shroot
  smb3: allow disabling requesting leases
  smb3: improve handling of share deleted (and share recreated)
  smb3: display max smb3 requests in flight at any one time
  smb3: only offload decryption of read responses if multiple requests
  cifs: add a helper to find an existing readable handle to a file
  smb3: enable offload of decryption of large reads via mount option
  smb3: allow parallelizing decryption of reads
  cifs: add a debug macro that prints \\server\share for errors
  smb3: fix signing verification of large reads
  smb3: allow skipping signature verification for perf sensitive configurations
  smb3: add dynamic tracepoints for flush and close
  smb3: log warning if CSC policy conflicts with cache mount option
  ...
 2019-09-19 10:32:16 -07:00
Linus Torvalds 7a0d796100 Orangefs: a fix and a cleanup 
fix: way back in the stone age (2003) mode was set to the magic
      number "755" in what is now fs/orangefs/namei.c(orangefs_symlink).
      Łukasz Wrochna reported it and Artur Świgoń sent in a patch to change
      it to octal. Maybe it shouldn't be a magic number at all but rather
      something like "S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH"...
 
 cleanup: Colin Ian King found a redundant assignment and sent in a
          patch to remove it.
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Merge tag 'for-linus-5.4-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Marshall:
 "A fix and a cleanup.

  The fix: way back in the stone age (2003) mode was set to the magic
  number "755" in what is now fs/orangefs/namei.c(orangefs_symlink).
  Łukasz Wrochna reported it and Artur Świgoń sent in a patch to change
  it to octal. Maybe it shouldn't be a magic number at all but rather
  something like "S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH"...

  cleanup: Colin Ian King found a redundant assignment and sent in a
  patch to remove it"

[ And no, octal numbers for permissions are a lot more legible than a
  binary 'or' of some line noise macros. So 0755 is preferred over
  trying to spell it out using "helpful" macros     - Linus ]

* tag 'for-linus-5.4-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: remove redundant assignment to err
  orangefs: Add octal zero prefix
 2019-09-19 10:21:35 -07:00
Linus Torvalds 8e6ee05d8a Merge branch 'work.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull autofs updates from Al Viro:
 "The most interesting part here is getting rid of the last trylock loop
  on dentry->d_lock.

  The ones in fs/dcache.c had been dealt with several years ago, but
  there'd been leftovers in fs/autofs/expire.c"

* 'work.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  autofs_lookup(): hold ->d_lock over playing with ->d_flags
  get rid of autofs_info->active_count
  autofs: simplify get_next_positive_...(), get rid of trylocks
 2019-09-19 10:14:22 -07:00
Linus Torvalds bc7d9aee3f Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc mount API conversions from Al Viro:
 "Conversions to new API for shmem and friends and for mount_mtd()-using
  filesystems.

  As for the rest of the mount API conversions in -next, some of them
  belong in the individual trees (e.g. binderfs one should definitely go
  through android folks, after getting redone on top of their changes).
  I'm going to drop those and send the rest (trivial ones + stuff ACKed
  by maintainers) in a separate series - by that point they are
  independent from each other.

  Some stuff has already migrated into individual trees (NFS conversion,
  for example, or FUSE stuff, etc.); those presumably will go through
  the regular merges from corresponding trees."

* 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: Make fs_parse() handle fs_param_is_fd-type params better
  vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API
  shmem_parse_one(): switch to use of fs_parse()
  shmem_parse_options(): take handling a single option into a helper
  shmem_parse_options(): don't bother with mpol in separate variable
  shmem_parse_options(): use a separate structure to keep the results
  make shmem_fill_super() static
  make ramfs_fill_super() static
  devtmpfs: don't mix {ramfs,shmem}_fill_super() with mount_single()
  vfs: Convert squashfs to use the new mount API
  mtd: Kill mount_mtd()
  vfs: Convert jffs2 to use the new mount API
  vfs: Convert cramfs to use the new mount API
  vfs: Convert romfs to use the new mount API
  vfs: Add a single-or-reconfig keying to vfs_get_super()
 2019-09-19 10:06:57 -07:00
Linus Torvalds cfb82e1df8 y2038: add inode timestamp clamping 
This series from Deepa Dinamani adds a per-superblock minimum/maximum
 timestamp limit for a file system, and clamps timestamps as they are
 written, to avoid random behavior from integer overflow as well as having
 different time stamps on disk vs in memory.
 
 At mount time, a warning is now printed for any file system that can
 represent current timestamps but not future timestamps more than 30
 years into the future, similar to the arbitrary 30 year limit that was
 added to settimeofday().
 
 This was picked as a compromise to warn users to migrate to other file
 systems (e.g. ext4 instead of ext3) when they need the file system to
 survive beyond 2038 (or similar limits in other file systems), but not
 get in the way of normal usage.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'y2038-vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground

Pull y2038 vfs updates from Arnd Bergmann:
 "Add inode timestamp clamping.

  This series from Deepa Dinamani adds a per-superblock minimum/maximum
  timestamp limit for a file system, and clamps timestamps as they are
  written, to avoid random behavior from integer overflow as well as
  having different time stamps on disk vs in memory.

  At mount time, a warning is now printed for any file system that can
  represent current timestamps but not future timestamps more than 30
  years into the future, similar to the arbitrary 30 year limit that was
  added to settimeofday().

  This was picked as a compromise to warn users to migrate to other file
  systems (e.g. ext4 instead of ext3) when they need the file system to
  survive beyond 2038 (or similar limits in other file systems), but not
  get in the way of normal usage"

* tag 'y2038-vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground:
  ext4: Reduce ext4 timestamp warnings
  isofs: Initialize filesystem timestamp ranges
  pstore: fs superblock limits
  fs: omfs: Initialize filesystem timestamp ranges
  fs: hpfs: Initialize filesystem timestamp ranges
  fs: ceph: Initialize filesystem timestamp ranges
  fs: sysv: Initialize filesystem timestamp ranges
  fs: affs: Initialize filesystem timestamp ranges
  fs: fat: Initialize filesystem timestamp ranges
  fs: cifs: Initialize filesystem timestamp ranges
  fs: nfs: Initialize filesystem timestamp ranges
  ext4: Initialize timestamps limits
  9p: Fill min and max timestamps in sb
  fs: Fill in max and min timestamps in superblock
  utimes: Clamp the timestamps before update
  mount: Add mount warning for impending timestamp expiry
  timestamp_truncate: Replace users of timespec64_trunc
  vfs: Add timestamp_truncate() api
  vfs: Add file timestamp range support
 2019-09-19 09:42:37 -07:00
Masami Hiramatsu b78b94b821 selftests/ftrace: Update kprobe event error testcase 
Update kprobe event error testcase to test if it correctly
finds the exact same probe event.

Link: http://lkml.kernel.org/r/156879695513.31056.1580235733738840126.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2019-09-19 11:09:40 -04:00
Masami Hiramatsu fe60b0ce8e tracing/probe: Reject exactly same probe event 
Reject exactly same probe events as existing probes.

Multiprobe allows user to define multiple probes on same
event. If user appends a probe which exactly same definition
(same probe address and same arguments) on existing event,
the event will record same probe information twice.
That can be confusing users, so reject it.

Link: http://lkml.kernel.org/r/156879694602.31056.5533024778165036763.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2019-09-19 11:09:16 -04:00
Masami Hiramatsu 44d00dc7ce tracing/probe: Fix to allow user to enable events on unloaded modules 
Fix to allow user to enable probe events on unloaded modules.

This operations was allowed before commit 60d53e2c3b ("tracing/probe:
Split trace_event related data from trace_probe"), because if users
need to probe module init functions, they have to enable those probe
events before loading module.

Link: http://lkml.kernel.org/r/156879693733.31056.9331322616994665167.stgit@devnote2

Cc: stable@vger.kernel.org
Fixes: 60d53e2c3b ("tracing/probe: Split trace_event related data from trace_probe")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2019-09-19 09:55:42 -04:00
Uwe Kleine-König 59e9fcf877 of: restore old handling of cells_name=NULL in of_*_phandle_with_args() 
Before commit e42ee61017 ("of: Let of_for_each_phandle fallback to
non-negative cell_count") the iterator functions calling
of_for_each_phandle assumed a cell count of 0 if cells_name was NULL.
This corner case was missed when implementing the fallback logic in
e42ee61017 and resulted in an endless loop.

Restore the old behaviour of of_count_phandle_with_args() and
of_parse_phandle_with_args() and add a check to
of_phandle_iterator_init() to prevent a similar failure as a safety
precaution. of_parse_phandle_with_args_map() doesn't need a similar fix
as cells_name isn't NULL there.

Affected drivers are:
 - drivers/base/power/domain.c
 - drivers/base/power/domain.c
 - drivers/clk/ti/clk-dra7-atl.c
 - drivers/hwmon/ibmpowernv.c
 - drivers/i2c/muxes/i2c-demux-pinctrl.c
 - drivers/iommu/mtk_iommu.c
 - drivers/net/ethernet/freescale/fman/mac.c
 - drivers/opp/of.c
 - drivers/perf/arm_dsu_pmu.c
 - drivers/regulator/of_regulator.c
 - drivers/remoteproc/imx_rproc.c
 - drivers/soc/rockchip/pm_domains.c
 - sound/soc/fsl/imx-audmix.c
 - sound/soc/fsl/imx-audmix.c
 - sound/soc/meson/axg-card.c
 - sound/soc/samsung/tm2_wm5110.c
 - sound/soc/samsung/tm2_wm5110.c

Thanks to Geert Uytterhoeven for reporting the issue, Peter Rosin for
helping pinpoint the actual problem and the testers for confirming this
fix.

Fixes: e42ee61017 ("of: Let of_for_each_phandle fallback to non-negative cell_count")
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rob Herring <robh@kernel.org>
 2019-09-19 08:33:02 -05:00
Aneesh Kumar K.V d9101bfa6a powerpc/mm/mce: Keep irqs disabled during lockless page table walk 
__find_linux_mm_pte() returns a page table entry pointer after walking
the page table without holding locks. To make it safe against a THP
split and/or collapse, we disable interrupts around the lockless page
table walk. However we need to keep interrupts disabled as long as we
use the page table entry pointer that is returned.

Fix addr_to_pfn() to do that.

Fixes: ba41e1e1cc ("powerpc/mce: Hookup derror (load/store) UE errors")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
[mpe: Rearrange code slightly and tweak change log wording]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190918145328.28602-1-aneesh.kumar@linux.ibm.com
 2019-09-19 21:24:59 +10:00