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  1. 06 Feb, 2020 6 commits
    • Linus Torvalds's avatar
      Merge tag 'Smack-for-5.6' of git://github.com/cschaufler/smack-next · 85e55296
      Linus Torvalds authored 
      Pull smack fix from Casey Schaufler:
 "One fix for an obscure error found using an old version of ping(1)
  that did not use IPv6 sockets in the documented way"

* tag 'Smack-for-5.6' of git://github.com/cschaufler/smack-next:
  broken ping to ipv6 linklocal addresses on debian buster
      85e55296
    • Linus Torvalds's avatar
      Merge tag 'xfs-5.6-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux · 99be3f60
      Linus Torvalds authored 
      Pull moar xfs updates from Darrick Wong:
 "This contains the buffer error code refactoring I mentioned last week,
  now that it has had extra time to complete the full xfs fuzz testing
  suite to make sure there aren't any obvious new bugs"

* tag 'xfs-5.6-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix xfs_buf_ioerror_alert location reporting
  xfs: remove unnecessary null pointer checks from _read_agf callers
  xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers
  xfs: remove the xfs_btree_get_buf[ls] functions
  xfs: make xfs_trans_get_buf return an error code
  xfs: make xfs_trans_get_buf_map return an error code
  xfs: make xfs_buf_read return an error code
  xfs: make xfs_buf_get_uncached return an error code
  xfs: make xfs_buf_get return an error code
  xfs: make xfs_buf_read_map return an error code
  xfs: make xfs_buf_get_map return an error code
  xfs: make xfs_buf_alloc return an error code
      99be3f60
    • Linus Torvalds's avatar
      Merge tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · e310396b
      Linus Torvalds authored 
      Pull tracing updates from Steven Rostedt:

 - Added new "bootconfig".

   This looks for a file appended to initrd to add boot config options,
   and has been discussed thoroughly at Linux Plumbers.

   Very useful for adding kprobes at bootup.

   Only enabled if "bootconfig" is on the real kernel command line.

 - Created dynamic event creation.

   Merges common code between creating synthetic events and kprobe
   events.

 - Rename perf "ring_buffer" structure to "perf_buffer"

 - Rename ftrace "ring_buffer" structure to "trace_buffer"

   Had to rename existing "trace_buffer" to "array_buffer"

 - Allow trace_printk() to work withing (some) tracing code.

 - Sort of tracing configs to be a little better organized

 - Fixed bug where ftrace_graph hash was not being protected properly

 - Various other small fixes and clean ups

* tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (88 commits)
  bootconfig: Show the number of nodes on boot message
  tools/bootconfig: Show the number of bootconfig nodes
  bootconfig: Add more parse error messages
  bootconfig: Use bootconfig instead of boot config
  ftrace: Protect ftrace_graph_hash with ftrace_sync
  ftrace: Add comment to why rcu_dereference_sched() is open coded
  tracing: Annotate ftrace_graph_notrace_hash pointer with __rcu
  tracing: Annotate ftrace_graph_hash pointer with __rcu
  bootconfig: Only load bootconfig if "bootconfig" is on the kernel cmdline
  tracing: Use seq_buf for building dynevent_cmd string
  tracing: Remove useless code in dynevent_arg_pair_add()
  tracing: Remove check_arg() callbacks from dynevent args
  tracing: Consolidate some synth_event_trace code
  tracing: Fix now invalid var_ref_vals assumption in trace action
  tracing: Change trace_boot to use synth_event interface
  tracing: Move tracing selftests to bottom of menu
  tracing: Move mmio tracer config up with the other tracers
  tracing: Move tracing test module configs together
  tracing: Move all function tracing configs together
  tracing: Documentation for in-kernel synthetic event API
  ...
      e310396b
    • Linus Torvalds's avatar
      Merge tag 'io_uring-5.6-2020-02-05' of git://git.kernel.dk/linux-block · c1ef57a3
      Linus Torvalds authored 
      Pull io_uring updates from Jens Axboe:
 "Some later fixes for io_uring:

   - Small cleanup series from Pavel

   - Belt and suspenders build time check of sqe size and layout
     (Stefan)

   - Addition of ->show_fdinfo() on request of Jann Horn, to aid in
     understanding mapped personalities

   - eventfd recursion/deadlock fix, for both io_uring and aio

   - Fixup for send/recv handling

   - Fixup for double deferral of read/write request

   - Fix for potential double completion event for close request

   - Adjust fadvise advice async/inline behavior

   - Fix for shutdown hang with SQPOLL thread

   - Fix for potential use-after-free of fixed file table"

* tag 'io_uring-5.6-2020-02-05' of git://git.kernel.dk/linux-block:
  io_uring: cleanup fixed file data table references
  io_uring: spin for sq thread to idle on shutdown
  aio: prevent potential eventfd recursion on poll
  io_uring: put the flag changing code in the same spot
  io_uring: iterate req cache backwards
  io_uring: punt even fadvise() WILLNEED to async context
  io_uring: fix sporadic double CQE entry for close
  io_uring: remove extra ->file check
  io_uring: don't map read/write iovec potentially twice
  io_uring: use the proper helpers for io_send/recv
  io_uring: prevent potential eventfd recursion on poll
  eventfd: track eventfd_signal() recursion depth
  io_uring: add BUILD_BUG_ON() to assert the layout of struct io_uring_sqe
  io_uring: add ->show_fdinfo() for the io_uring file descriptor
      c1ef57a3
    • Linus Torvalds's avatar
      Merge tag 'block-5.6-2020-02-05' of git://git.kernel.dk/linux-block · ed535f2c
      Linus Torvalds authored 
      Pull more block updates from Jens Axboe:
 "Some later arrivals, but all fixes at this point:

   - bcache fix series (Coly)

   - Series of BFQ fixes (Paolo)

   - NVMe pull request from Keith with a few minor NVMe fixes

   - Various little tweaks"

* tag 'block-5.6-2020-02-05' of git://git.kernel.dk/linux-block: (23 commits)
  nvmet: update AEN list and array at one place
  nvmet: Fix controller use after free
  nvmet: Fix error print message at nvmet_install_queue function
  brd: check and limit max_part par
  nvme-pci: remove nvmeq->tags
  nvmet: fix dsm failure when payload does not match sgl descriptor
  nvmet: Pass lockdep expression to RCU lists
  block, bfq: clarify the goal of bfq_split_bfqq()
  block, bfq: get a ref to a group when adding it to a service tree
  block, bfq: remove ifdefs from around gets/puts of bfq groups
  block, bfq: extend incomplete name of field on_st
  block, bfq: get extra ref to prevent a queue from being freed during a group move
  block, bfq: do not insert oom queue into position tree
  block, bfq: do not plug I/O for bfq_queues with no proc refs
  bcache: check return value of prio_read()
  bcache: fix incorrect data type usage in btree_flush_write()
  bcache: add readahead cache policy options via sysfs interface
  bcache: explicity type cast in bset_bkey_last()
  bcache: fix memory corruption in bch_cache_accounting_clear()
  xen/blkfront: limit allocated memory size to actual use case
  ...
      ed535f2c
    • Linus Torvalds's avatar
      Merge tag 'libata-5.6-2020-02-05' of git://git.kernel.dk/linux-block · 03840663
      Linus Torvalds authored 
      Pull libata updates from Jens Axboe:

 - Add a Sandisk CF card to supported pata_pcmcia list (Christian)

 - Move pata_arasan_cf away from legacy API (Peter)

 - Ensure ahci DMA/ints are shut down on shutdown (Prabhakar)

* tag 'libata-5.6-2020-02-05' of git://git.kernel.dk/linux-block:
  ata: pata_arasan_cf: Use dma_request_chan() instead dma_request_slave_channel()
  ata: ahci: Add shutdown to freeze hardware resources of ahci
  pata_pcmia: add SanDisk High (>8G) CF card to supported list
      03840663
  3. 05 Feb, 2020 22 commits
  5. 04 Feb, 2020 12 commits
    • Jens Axboe's avatar
      io_uring: spin for sq thread to idle on shutdown · df069d80
      Jens Axboe authored 
      As part of io_uring shutdown, we cancel work that is pending and won't
necessarily complete on its own. That includes requests like poll
commands and timeouts.

If we're using SQPOLL for kernel side submission and we shutdown the
ring immediately after queueing such work, we can race with the sqthread
doing the submission. This means we may miss cancelling some work, which
results in the io_uring shutdown hanging forever.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      df069d80
    • Dilip Kota's avatar
      dt-bindings: PCI: intel: Fix dt_binding_check compilation failure · 34129bb8
      Dilip Kota authored 
      Remove <dt-bindings/clock/intel,lgm-clk.h> dependency as
it is not present in the mainline tree. Use numeric value
instead of LGM_GCLK_PCIE10 macro.
Signed-off-by: default avatarDilip Kota <eswara.kota@linux.intel.com>
[robh: Also drop interrupt-parent from example]
Signed-off-by: default avatarRob Herring <robh@kernel.org>
      34129bb8
    • Rob Herring's avatar
      dt-bindings: phy: Fix errors in intel,lgm-emmc-phy example · 4ae87b17
      Rob Herring authored 
      DT labels can't have '-' in them causing a compile failure in the example.
Fixing that leads to more warnings:

Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dts:23.13-33: Warning (reg_format): /example-0/chiptop@e0200000/emmc-phy@a8:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dt.yaml: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dt.yaml: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dt.yaml: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dts:21.33-26.13: Warning (avoid_default_addr_size): /example-0/chiptop@e0200000/emmc-phy@a8: Relying on default #address-cells value
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dts:21.33-26.13: Warning (avoid_default_addr_size): /example-0/chiptop@e0200000/emmc-phy@a8: Relying on default #size-cells value

Fixes: 5bc99910 ("dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY")
Cc: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Cc: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
      4ae87b17
    • Jens Axboe's avatar
      Merge branch 'nvme-5.6' of git://git.infradead.org/nvme into block-5.6 · b74e58cd
      Jens Axboe authored 
      Pull NVMe fixes from Keith.

* 'nvme-5.6' of git://git.infradead.org/nvme:
  nvmet: update AEN list and array at one place
  nvmet: Fix controller use after free
  nvmet: Fix error print message at nvmet_install_queue function
  nvme-pci: remove nvmeq->tags
  nvmet: fix dsm failure when payload does not match sgl descriptor
  nvmet: Pass lockdep expression to RCU lists
      b74e58cd
    • Daniel Wagner's avatar
      nvmet: update AEN list and array at one place · 0f5be6a4
      Daniel Wagner authored 
      All async events are enqueued via nvmet_add_async_event() which
updates the ctrl->async_event_cmds[] array and additionally an struct
nvmet_async_event is added to the ctrl->async_events list.

Under normal operations the nvmet_async_event_work() updates again
the ctrl->async_event_cmds and removes the corresponding struct
nvmet_async_event from the list again. Though nvmet_sq_destroy() could
be called which calls nvmet_async_events_free() which only updates the
ctrl->async_event_cmds[] array.

Add new functions nvmet_async_events_process() and
nvmet_async_events_free() to process async events, update an array and
the list.

When we destroy submission queue after clearing the aen present on
the ctrl->async list we also loop over ctrl->async_event_cmds[] for
any requests posted by the host for which we don't have the AEN in
the ctrl->async_events list by calling nvmet_async_event_process()
and nvmet_async_events_free().
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDaniel Wagner <dwagner@suse.de>
[chaitanya.kulkarni@wdc.com
 * Loop over and clear out outstanding requests
 * Update changelog
]
Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
      0f5be6a4
    • Israel Rukshin's avatar
      nvmet: Fix controller use after free · 1a3f540d
      Israel Rukshin authored 
      After nvmet_install_queue() sets sq->ctrl calling to nvmet_sq_destroy()
reduces the controller refcount. In case nvmet_install_queue() fails,
calling to nvmet_ctrl_put() is done twice (at nvmet_sq_destroy and
nvmet_execute_io_connect/nvmet_execute_admin_connect) instead of once for
the queue which leads to use after free of the controller. Fix this by set
NULL at sq->ctrl in case of a failure at nvmet_install_queue().

The bug leads to the following Call Trace:

[65857.994862] refcount_t: underflow; use-after-free.
[65858.108304] Workqueue: events nvmet_rdma_release_queue_work [nvmet_rdma]
[65858.115557] RIP: 0010:refcount_warn_saturate+0xe5/0xf0
[65858.208141] Call Trace:
[65858.211203]  nvmet_sq_destroy+0xe1/0xf0 [nvmet]
[65858.216383]  nvmet_rdma_release_queue_work+0x37/0xf0 [nvmet_rdma]
[65858.223117]  process_one_work+0x167/0x370
[65858.227776]  worker_thread+0x49/0x3e0
[65858.232089]  kthread+0xf5/0x130
[65858.235895]  ? max_active_store+0x80/0x80
[65858.240504]  ? kthread_bind+0x10/0x10
[65858.244832]  ret_from_fork+0x1f/0x30
[65858.249074] ---[ end trace f82d59250b54beb7 ]---

Fixes: bb1cc747 ("nvmet: implement valid sqhd values in completions")
Fixes: 1672ddb8 ("nvmet: Add install_queue callout")
Signed-off-by: default avatarIsrael Rukshin <israelr@mellanox.com>
Reviewed-by: default avatarMax Gurtovoy <maxg@mellanox.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
      1a3f540d
    • Israel Rukshin's avatar
      nvmet: Fix error print message at nvmet_install_queue function · 0b87a2b7
      Israel Rukshin authored 
      Place the arguments in the correct order.

Fixes: 1672ddb8 ("nvmet: Add install_queue callout")
Signed-off-by: default avatarIsrael Rukshin <israelr@mellanox.com>
Reviewed-by: default avatarMax Gurtovoy <maxg@mellanox.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
      0b87a2b7
    • Zhiqiang Liu's avatar
      brd: check and limit max_part par · c8ab4225
      Zhiqiang Liu authored 
      In brd_init func, rd_nr num of brd_device are firstly allocated
and add in brd_devices, then brd_devices are traversed to add each
brd_device by calling add_disk func. When allocating brd_device,
the disk->first_minor is set to i * max_part, if rd_nr * max_part
is larger than MINORMASK, two different brd_device may have the same
devt, then only one of them can be successfully added.
when rmmod brd.ko, it will cause oops when calling brd_exit.

Follow those steps:
  # modprobe brd rd_nr=3 rd_size=102400 max_part=1048576
  # rmmod brd
then, the oops will appear.

Oops log:
[  726.613722] Call trace:
[  726.614175]  kernfs_find_ns+0x24/0x130
[  726.614852]  kernfs_find_and_get_ns+0x44/0x68
[  726.615749]  sysfs_remove_group+0x38/0xb0
[  726.616520]  blk_trace_remove_sysfs+0x1c/0x28
[  726.617320]  blk_unregister_queue+0x98/0x100
[  726.618105]  del_gendisk+0x144/0x2b8
[  726.618759]  brd_exit+0x68/0x560 [brd]
[  726.619501]  __arm64_sys_delete_module+0x19c/0x2a0
[  726.620384]  el0_svc_common+0x78/0x130
[  726.621057]  el0_svc_handler+0x38/0x78
[  726.621738]  el0_svc+0x8/0xc
[  726.622259] Code: aa0203f6 aa0103f7 aa1e03e0 d503201f (7940e260)

Here, we add brd_check_and_reset_par func to check and limit max_part par.

--
V5->V6:
 - remove useless code

V4->V5:(suggested by Ming Lei)
 - make sure max_part is not larger than DISK_MAX_PARTS

V3->V4:(suggested by Ming Lei)
 - remove useless change
 - add one limit of max_part

V2->V3: (suggested by Ming Lei)
 - clear .minors when running out of consecutive minor space in brd_alloc
 - remove limit of rd_nr

V1->V2:
 - add more checks in brd_check_par_valid as suggested by Ming Lei.
Signed-off-by: default avatarZhiqiang Liu <liuzhiqiang26@huawei.com>
Reviewed-by: default avatarBob Liu <bob.liu@oracle.com>
Reviewed-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      c8ab4225
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net · 33b40134
      Linus Torvalds authored 
      Pull networking fixes from David Miller:

 1) Use after free in rxrpc_put_local(), from David Howells.

 2) Fix 64-bit division error in mlxsw, from Nathan Chancellor.

 3) Make sure we clear various bits of TCP state in response to
    tcp_disconnect(). From Eric Dumazet.

 4) Fix netlink attribute policy in cls_rsvp, from Eric Dumazet.

 5) txtimer must be deleted in stmmac suspend(), from Nicolin Chen.

 6) Fix TC queue mapping in bnxt_en driver, from Michael Chan.

 7) Various netdevsim fixes from Taehee Yoo (use of uninitialized data,
    snapshot panics, stack out of bounds, etc.)

 8) cls_tcindex changes hash table size after allocating the table, fix
    from Cong Wang.

 9) Fix regression in the enforcement of session ID uniqueness in l2tp.
    We only have to enforce uniqueness for IP based tunnels not UDP
    ones. From Ridge Kennedy.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (46 commits)
  gtp: use __GFP_NOWARN to avoid memalloc warning
  l2tp: Allow duplicate session creation with UDP
  r8152: Add MAC passthrough support to new device
  net_sched: fix an OOB access in cls_tcindex
  qed: Remove set but not used variable 'p_link'
  tc-testing: add missing 'nsPlugin' to basic.json
  tc-testing: fix eBPF tests failure on linux fresh clones
  net: hsr: fix possible NULL deref in hsr_handle_frame()
  netdevsim: remove unused sdev code
  netdevsim: use __GFP_NOWARN to avoid memalloc warning
  netdevsim: use IS_ERR instead of IS_ERR_OR_NULL for debugfs
  netdevsim: fix stack-out-of-bounds in nsim_dev_debugfs_init()
  netdevsim: fix panic in nsim_dev_take_snapshot_write()
  netdevsim: disable devlink reload when resources are being used
  netdevsim: fix using uninitialized resources
  bnxt_en: Fix TC queue mapping.
  bnxt_en: Fix logic that disables Bus Master during firmware reset.
  bnxt_en: Fix RDMA driver failure with SRIOV after firmware reset.
  bnxt_en: Refactor logic to re-enable SRIOV after firmware reset detected.
  net: stmmac: Delete txtimer in suspend()
  ...
      33b40134
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm · d60ddd24
      Linus Torvalds authored 
      Pull ARM updates from Russell King:

 - decompressor updates

 - prevention of out-of-bounds access while stacktracing

 - fix a section mismatch warning with free_memmap()

 - make kexec depend on MMU to avoid some build errors

 - remove swapops stubs

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8954/1: NOMMU: remove stubs for swapops
  ARM: 8952/1: Disable kmemleak on XIP kernels
  ARM: 8951/1: Fix Kexec compilation issue.
  ARM: 8949/1: mm: mark free_memmap as __init
  ARM: 8948/1: Prevent OOB access in stacktrace
  ARM: 8945/1: decompressor: use CONFIG option instead of cc-option
  ARM: 8942/1: Revert "8857/1: efi: enable CP15 DMB instructions before cleaning the cache"
  ARM: 8941/1: decompressor: enable CP15 barrier instructions in v7 cache setup code
      d60ddd24
    • Linus Torvalds's avatar
      Merge tag 'powerpc-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 71c3a888
      Linus Torvalds authored 
      Pull powerpc updates from Michael Ellerman:
 "A pretty small batch for us, and apologies for it being a bit late, I
  wanted to sneak Christophe's user_access_begin() series in.

  Summary:

   - Implement user_access_begin() and friends for our platforms that
     support controlling kernel access to userspace.

   - Enable CONFIG_VMAP_STACK on 32-bit Book3S and 8xx.

   - Some tweaks to our pseries IOMMU code to allow SVMs ("secure"
     virtual machines) to use the IOMMU.

   - Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 32-bit
     VDSO, and some other improvements.

   - A series to use the PCI hotplug framework to control opencapi
     card's so that they can be reset and re-read after flashing a new
     FPGA image.

  As well as other minor fixes and improvements as usual.

  Thanks to: Alastair D'Silva, Alexandre Ghiti, Alexey Kardashevskiy,
  Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Bai Yingjie, Chen
  Zhou, Christophe Leroy, Frederic Barrat, Greg Kurz, Jason A.
  Donenfeld, Joel Stanley, Jordan Niethe, Julia Lawall, Krzysztof
  Kozlowski, Laurent Dufour, Laurentiu Tudor, Linus Walleij, Michael
  Bringmann, Nathan Chancellor, Nicholas Piggin, Nick Desaulniers,
  Oliver O'Halloran, Peter Ujfalusi, Pingfan Liu, Ram Pai, Randy Dunlap,
  Russell Currey, Sam Bobroff, Sebastian Andrzej Siewior, Shawn
  Anastasio, Stephen Rothwell, Steve Best, Sukadev Bhattiprolu, Thiago
  Jung Bauermann, Tyrel Datwyler, Vaibhav Jain"

* tag 'powerpc-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (131 commits)
  powerpc: configs: Cleanup old Kconfig options
  powerpc/configs/skiroot: Enable some more hardening options
  powerpc/configs/skiroot: Disable xmon default & enable reboot on panic
  powerpc/configs/skiroot: Enable security features
  powerpc/configs/skiroot: Update for symbol movement only
  powerpc/configs/skiroot: Drop default n CONFIG_CRYPTO_ECHAINIV
  powerpc/configs/skiroot: Drop HID_LOGITECH
  powerpc/configs: Drop NET_VENDOR_HP which moved to staging
  powerpc/configs: NET_CADENCE became NET_VENDOR_CADENCE
  powerpc/configs: Drop CONFIG_QLGE which moved to staging
  powerpc: Do not consider weak unresolved symbol relocations as bad
  powerpc/32s: Fix kasan_early_hash_table() for CONFIG_VMAP_STACK
  powerpc: indent to improve Kconfig readability
  powerpc: Provide initial documentation for PAPR hcalls
  powerpc: Implement user_access_save() and user_access_restore()
  powerpc: Implement user_access_begin and friends
  powerpc/32s: Prepare prevent_user_access() for user_access_end()
  powerpc/32s: Drop NULL addr verification
  powerpc/kuap: Fix set direction in allow/prevent_user_access()
  powerpc/32s: Fix bad_kuap_fault()
  ...
      71c3a888
    • Linus Torvalds's avatar
      Merge tag 'microblaze-v5.6-rc1' of git://git.monstr.eu/linux-2.6-microblaze · 153b5c56
      Linus Torvalds authored 
      Pull Microblaze update from Michal Simek:

 - enable CMA

 - add support for MB v11

 - defconfig updates

 - minor fixes

* tag 'microblaze-v5.6-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Add ID for Microblaze v11
  microblaze: Prevent the overflow of the start
  microblaze: Wire CMA allocator
  asm-generic: Make dma-contiguous.h a mandatory include/asm header
  microblaze: Sync defconfig with latest Kconfig layout
  microblaze: defconfig: Disable EXT2 driver and Enable EXT3 & EXT4 drivers
  microblaze: Align comments with register usage
      153b5c56
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