Linux 4.9.21

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I'm announcing the release of the 4.9.21 kernel.

All users of the 4.9 kernel series must upgrade.

The updated 4.9.y git tree can be found at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.9.y
and can be browsed at the normal kernel.org git web browser:
	http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary

thanks,

greg k-h

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

 Makefile                                   |    2 
 arch/arm/boot/dts/bcm5301x.dtsi            |    4 
 arch/arm/mach-bcm/bcm_5301x.c              |   28 +
 arch/mips/lantiq/irq.c                     |   38 +-
 arch/parisc/include/asm/uaccess.h          |   59 ++-
 arch/parisc/kernel/parisc_ksyms.c          |   10 
 arch/parisc/kernel/process.c               |    2 
 arch/parisc/lib/Makefile                   |    2 
 arch/parisc/lib/fixup.S                    |   98 ------
 arch/parisc/lib/lusercopy.S                |  318 ++++++++++++++++++++
 arch/parisc/lib/memcpy.c                   |  461 -----------------------------
 arch/parisc/mm/fault.c                     |   17 +
 arch/x86/lib/memcpy_64.S                   |    2 
 arch/x86/mm/kaslr.c                        |    4 
 arch/x86/xen/setup.c                       |    6 
 block/bio.c                                |   12 
 block/blk-core.c                           |   39 +-
 drivers/acpi/Makefile                      |    1 
 drivers/acpi/acpi_platform.c               |    8 
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c      |    4 
 drivers/gpu/drm/radeon/radeon_ttm.c        |    4 
 drivers/gpu/drm/vc4/vc4_crtc.c             |   13 
 drivers/hid/wacom_sys.c                    |   16 -
 drivers/md/dm.c                            |   29 +
 drivers/md/raid10.c                        |    3 
 drivers/mmc/host/sdhci-of-at91.c           |   11 
 drivers/mmc/host/sdhci.c                   |    6 
 drivers/nvme/host/core.c                   |    6 
 drivers/nvme/host/pci.c                    |    4 
 drivers/pci/host/pcie-iproc-bcma.c         |   24 -
 drivers/pci/host/pcie-iproc-platform.c     |   19 -
 drivers/pci/host/pcie-iproc.h              |    1 
 drivers/scsi/device_handler/scsi_dh_alua.c |   38 +-
 drivers/scsi/libsas/sas_ata.c              |    2 
 drivers/scsi/qla2xxx/qla_attr.c            |    2 
 drivers/scsi/qla2xxx/qla_def.h             |    3 
 drivers/scsi/qla2xxx/qla_init.c            |    1 
 drivers/scsi/qla2xxx/qla_mid.c             |   14 
 drivers/scsi/qla2xxx/qla_os.c              |    1 
 drivers/scsi/sg.c                          |    2 
 drivers/tty/serial/atmel_serial.c          |    8 
 drivers/tty/serial/mxs-auart.c             |    2 
 drivers/usb/core/hcd.c                     |    7 
 fs/nfs/nfs4proc.c                          |    9 
 fs/nfsd/nfsproc.c                          |    1 
 fs/xfs/libxfs/xfs_ag_resv.c                |   70 +++-
 fs/xfs/libxfs/xfs_bmap.c                   |  211 +++++++------
 fs/xfs/libxfs/xfs_bmap_btree.c             |    6 
 fs/xfs/libxfs/xfs_btree.c                  |    3 
 fs/xfs/libxfs/xfs_btree.h                  |    2 
 fs/xfs/libxfs/xfs_da_btree.c               |    6 
 fs/xfs/libxfs/xfs_da_btree.h               |    2 
 fs/xfs/libxfs/xfs_dir2_node.c              |   51 +++
 fs/xfs/libxfs/xfs_ialloc.c                 |    3 
 fs/xfs/libxfs/xfs_ialloc_btree.c           |   90 +++++
 fs/xfs/libxfs/xfs_ialloc_btree.h           |    3 
 fs/xfs/libxfs/xfs_inode_fork.c             |    9 
 fs/xfs/xfs_aops.c                          |  110 ++----
 fs/xfs/xfs_bmap_util.c                     |   62 +--
 fs/xfs/xfs_bmap_util.h                     |    3 
 fs/xfs/xfs_buf_item.c                      |    1 
 fs/xfs/xfs_extent_busy.c                   |   13 
 fs/xfs/xfs_file.c                          |   26 +
 fs/xfs/xfs_icache.c                        |   61 +--
 fs/xfs/xfs_icache.h                        |    2 
 fs/xfs/xfs_inode.c                         |   76 ++--
 fs/xfs/xfs_iomap.c                         |   18 -
 fs/xfs/xfs_mount.c                         |    3 
 fs/xfs/xfs_mount.h                         |    1 
 fs/xfs/xfs_reflink.c                       |  151 ++++++++-
 fs/xfs/xfs_reflink.h                       |    6 
 fs/xfs/xfs_super.c                         |    2 
 fs/xfs/xfs_trace.h                         |   10 
 include/linux/kvm_host.h                   |    4 
 include/linux/memcontrol.h                 |    6 
 kernel/padata.c                            |    5 
 lib/syscall.c                              |    1 
 mm/hugetlb.c                               |    6 
 mm/rmap.c                                  |    4 
 mm/workingset.c                            |    2 
 net/ceph/messenger.c                       |    6 
 sound/core/seq/seq_fifo.c                  |    4 
 sound/pci/hda/patch_realtek.c              |   12 
 sound/soc/atmel/atmel-classd.c             |    2 
 sound/soc/intel/skylake/skl-topology.c     |    2 
 virt/kvm/eventfd.c                         |    3 
 virt/kvm/kvm_main.c                        |   42 +-
 87 files changed, 1332 insertions(+), 1109 deletions(-)

Aaron Armstrong Skomra (1):
      HID: wacom: Don't add ghost interface as shared data

Alan Stern (1):
      USB: fix linked-list corruption in rh_call_control()

Baoquan He (1):
      x86/mm/KASLR: Exclude EFI region from KASLR VA space randomization

Bart Van Assche (2):
      scsi: scsi_dh_alua: Check scsi_device_get() return value
      scsi: scsi_dh_alua: Ensure that alua_activate() calls the completion function

Bjorn Helgaas (1):
      PCI: iproc: Save host bridge window resource in struct iproc_pcie

Brian Foster (7):
      xfs: pull up iolock from xfs_free_eofblocks()
      xfs: sync eofblocks scans under iolock are livelock prone
      xfs: fix eofblocks race with file extending async dio writes
      xfs: handle indlen shortage on delalloc extent merge
      xfs: split indlen reservations fairly when under reserved
      xfs: don't reserve blocks for right shift transactions
      xfs: use iomap new flag for newly allocated delalloc blocks

Chandan Rajendra (2):
      xfs: Use xfs_icluster_size_fsb() to calculate inode chunk alignment
      xfs: Use xfs_icluster_size_fsb() to calculate inode alignment mask

Christoph Hellwig (9):
      xfs: only update mount/resv fields on success in __xfs_ag_resv_init
      xfs: use per-AG reservations for the finobt
      xfs: update ctime and mtime on clone destinatation inodes
      xfs: reject all unaligned direct writes to reflinked files
      xfs: don't fail xfs_extent_busy allocation
      xfs: tune down agno asserts in the bmap code
      xfs: only reclaim unwritten COW extents periodically
      xfs: fix and streamline error handling in xfs_end_io
      xfs: try any AG when allocating the first btree block when reflinking

Darrick J. Wong (8):
      xfs: fix toctou race when locking an inode to access the data map
      xfs: fail _dir_open when readahead fails
      xfs: filter out obviously bad btree pointers
      xfs: check for obviously bad level values in the bmbt root
      xfs: verify free block header fields
      xfs: allow unwritten extents in the CoW fork
      xfs: mark speculative prealloc CoW fork extents unwritten
      xfs: fix uninitialized variable in _reflink_convert_cow

David Hildenbrand (1):
      KVM: kvm_io_bus_unregister_dev() should never fail

Eric Anholt (1):
      drm/vc4: Allocate the right amount of space for boot-time CRTC state.

Felix Fietkau (1):
      MIPS: Lantiq: Fix cascaded IRQ setup

Greg Kroah-Hartman (1):
      Linux 4.9.21

Hans de Goede (1):
      mmc: sdhci: Disable runtime pm when the sdio_irq is enabled

Helge Deller (3):
      parisc: Clean up fixup routines for get_user()/put_user()
      parisc: Avoid stalled CPU warnings after system shutdown
      parisc: Fix access fault handling in pa_memcpy()

Hou Tao (1):
      xfs: reset b_first_retry_time when clear the retry status of xfs_buf_t

Hui Wang (1):
      ALSA: hda - fix a problem for lineout on a Dell AIO machine

Ilya Dryomov (1):
      libceph: force GFP_NOIO for socket allocations

Jason A. Donenfeld (1):
      padata: avoid race in reordering

Joe Carnuccio (1):
      qla2xxx: Allow vref count to timeout on vport delete.

Joerg Roedel (1):
      ACPI: Do not create a platform_device for IOAPIC/IOxAPIC

Johannes Weiner (2):
      mm: rmap: fix huge file mmap accounting in the memcg stats
      mm: workingset: fix premature shadow node shrinking with cgroups

John Garry (1):
      scsi: libsas: fix ata xfer length

Jon Mason (1):
      ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags

Josh Poimboeuf (1):
      ACPI: Fix incompatibility with mcount-based function graph tracing

Kees Cook (1):
      lib/syscall: Clear return values when no stack

Keith Busch (2):
      nvme/core: Fix race kicking freed request_queue
      nvme/pci: Disable on removal when disconnected

Kinglong Mee (1):
      nfsd: map the ENOKEY to nfserr_perm for avoiding warning

Lucas Stach (1):
      drm/etnaviv: (re-)protect fence allocation with GPU mutex

Ludovic Desroches (1):
      mmc: sdhci-of-at91: fix MMC_DDR_52 timing selection

Michel Dänzer (1):
      drm/radeon: Override fpfn for all VRAM placements in radeon_evict_flags

Naoya Horiguchi (1):
      mm, hugetlb: use pte_present() instead of pmd_present() in follow_huge_pmd()

NeilBrown (2):
      blk: improve order of bio handling in generic_make_request()
      blk: Ensure users for current->bio_list can see the full list.

Nicolas Ferre (1):
      tty/serial: atmel: fix TX path in atmel_console_write()

Olga Kornievskaia (1):
      NFSv4.1 fix infinite loop on IO BAD_STATEID error

Peter Xu (1):
      KVM: x86: clear bus pointer when destroyed

Rafał Miłecki (1):
      ARM: BCM5301X: Add back handler ignoring external imprecise aborts

Richard Genoud (1):
      tty/serial: atmel: fix race condition (TX+DMA)

Ross Lagerwall (1):
      xen/setup: Don't relocate p2m over existing one

Songjun Wu (1):
      ASoC: atmel-classd: fix audio clock rate

Takashi Iwai (1):
      ALSA: seq: Fix race during FIFO resize

Takashi Sakamoto (1):
      ASoC: Intel: Skylake: fix invalid memory access due to wrong reference of pointer

Tony Luck (1):
      x86/mce: Fix copy/paste error in exception table entries

Uwe Kleine-König (1):
      serial: mxs-auart: Fix baudrate calculation

peter chang (1):
      scsi: sg: check length passed to SG_NEXT_CMD_LEN

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