linux-toradex.git/drivers/block, branch v5.14-rc2

Merge tag 'block-5.14-2021-07-16' of git://git.kernel.dk/linux-block

2021-07-16T19:31:44+00:00

Pull block fixes from Jens Axboe:

 - NVMe fixes via Christoph:
      - fix various races in nvme-pci when shutting down just after
        probing (Casey Chen)
      - fix a net_device leak in nvme-tcp (Prabhakar Kushwaha)

 - Fix regression in xen-blkfront by cleaning up the removal state
   machine (Christoph)

 - Fix tag_set and queue cleanup ordering regression in nbd (Wang)

 - Fix tag_set and queue cleanup ordering regression in pd (Guoqing)

* tag 'block-5.14-2021-07-16' of git://git.kernel.dk/linux-block:
  xen-blkfront: sanitize the removal state machine
  nbd: fix order of cleaning up the queue and freeing the tagset
  pd: fix order of cleaning up the queue and freeing the tagset
  nvme-pci: do not call nvme_dev_remove_admin from nvme_remove
  nvme-pci: fix multiple races in nvme_setup_io_queues
  nvme-tcp: use __dev_get_by_name instead dev_get_by_name for OPT_HOST_IFACE

xen-blkfront: sanitize the removal state machine

2021-07-15T15:32:34+00:00

xen-blkfront has a weird protocol where close message from the remote
side can be delayed, and where hot removals are treated somewhat
differently from regular removals, all leading to potential NULL
pointer removals, and a del_gendisk from the block device release
method, which will deadlock. Fix this by just performing normal hot
removals even when the device is opened like all other Linux block
drivers.

Fixes: c76f48eb5c08 ("block: take bd_mutex around delete_partitions in del_gendisk")
Reported-by: Vitaly Kuznetsov 
Signed-off-by: Christoph Hellwig 
Tested-by: Vitaly Kuznetsov 
Link: https://lore.kernel.org/r/20210715141711.1257293-1-hch@lst.de
Signed-off-by: Jens Axboe

nbd: fix order of cleaning up the queue and freeing the tagset

2021-07-15T15:30:15+00:00

We must release the queue before freeing the tagset.

Fixes: 4af5f2e03013 ("nbd: use blk_mq_alloc_disk and blk_cleanup_disk")
Reported-and-tested-by: syzbot+9ca43ff47167c0ee3466@syzkaller.appspotmail.com
Signed-off-by: Wang Qing 
Signed-off-by: Guoqing Jiang 
Reviewed-by: Christoph Hellwig 
Link: https://lore.kernel.org/r/20210706040016.1360412-1-guoqing.jiang@linux.dev
Signed-off-by: Jens Axboe

pd: fix order of cleaning up the queue and freeing the tagset

2021-07-15T15:29:22+00:00

We must release the queue before freeing the tagset.

Fixes: 262d431f9000 ("pd: use blk_mq_alloc_disk and blk_cleanup_disk")
Signed-off-by: Guoqing Jiang 
Reviewed-by: Christoph Hellwig 
Link: https://lore.kernel.org/r/20210706010734.1356066-1-guoqing.jiang@linux.dev
Signed-off-by: Jens Axboe

Merge tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block

2021-07-09T19:05:33+00:00

Pull more block updates from Jens Axboe:
 "A combination of changes that ended up depending on both the driver
  and core branch (and/or the IDE removal), and a few late arriving
  fixes. In detail:

   - Fix io ticks wrap-around issue (Chunguang)

   - nvme-tcp sock locking fix (Maurizio)

   - s390-dasd fixes (Kees, Christoph)

   - blk_execute_rq polling support (Keith)

   - blk-cgroup RCU iteration fix (Yu)

   - nbd backend ID addition (Prasanna)

   - Partition deletion fix (Yufen)

   - Use blk_mq_alloc_disk for mmc, mtip32xx, ubd (Christoph)

   - Removal of now dead block request types due to IDE removal
     (Christoph)

   - Loop probing and control device cleanups (Christoph)

   - Device uevent fix (Christoph)

   - Misc cleanups/fixes (Tetsuo, Christoph)"

* tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block: (34 commits)
  blk-cgroup: prevent rcu_sched detected stalls warnings while iterating blkgs
  block: fix the problem of io_ticks becoming smaller
  nvme-tcp: can't set sk_user_data without write_lock
  loop: remove unused variable in loop_set_status()
  block: remove the bdgrab in blk_drop_partitions
  block: grab a device refcount in disk_uevent
  s390/dasd: Avoid field over-reading memcpy()
  dasd: unexport dasd_set_target_state
  block: check disk exist before trying to add partition
  ubd: remove dead code in ubd_setup_common
  nvme: use return value from blk_execute_rq()
  block: return errors from blk_execute_rq()
  nvme: use blk_execute_rq() for passthrough commands
  block: support polling through blk_execute_rq
  block: remove REQ_OP_SCSI_{IN,OUT}
  block: mark blk_mq_init_queue_data static
  loop: rewrite loop_exit using idr_for_each_entry
  loop: split loop_lookup
  loop: don't allow deleting an unspecified loop device
  loop: move loop_ctl_mutex locking into loop_add
  ...

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

2021-07-09T18:06:29+00:00

Pull virtio,vhost,vdpa updates from Michael Tsirkin:

 - Doorbell remapping for ifcvf, mlx5

 - virtio_vdpa support for mlx5

 - Validate device input in several drivers (for SEV and friends)

 - ZONE_MOVABLE aware handling in virtio-mem

 - Misc fixes, cleanups

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
  virtio-mem: prioritize unplug from ZONE_MOVABLE in Big Block Mode
  virtio-mem: simplify high-level unplug handling in Big Block Mode
  virtio-mem: prioritize unplug from ZONE_MOVABLE in Sub Block Mode
  virtio-mem: simplify high-level unplug handling in Sub Block Mode
  virtio-mem: simplify high-level plug handling in Sub Block Mode
  virtio-mem: use page_zonenum() in virtio_mem_fake_offline()
  virtio-mem: don't read big block size in Sub Block Mode
  virtio/vdpa: clear the virtqueue state during probe
  vp_vdpa: allow set vq state to initial state after reset
  virtio-pci library: introduce vp_modern_get_driver_features()
  vdpa: support packed virtqueue for set/get_vq_state()
  virtio-ring: store DMA metadata in desc_extra for split virtqueue
  virtio: use err label in __vring_new_virtqueue()
  virtio_ring: introduce virtqueue_desc_add_split()
  virtio_ring: secure handling of mapping errors
  virtio-ring: factor out desc_extra allocation
  virtio_ring: rename vring_desc_extra_packed
  virtio-ring: maintain next in extra state for packed virtqueue
  vdpa/mlx5: Clear vq ready indication upon device reset
  vdpa/mlx5: Add support for doorbell bypassing
  ...

Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2021-07-05T20:42:16+00:00

Pull char / misc driver updates from Greg KH:
 "Here is the big set of char / misc and other driver subsystem updates
  for 5.14-rc1. Included in here are:

   - habanalabs driver updates

   - fsl-mc driver updates

   - comedi driver updates

   - fpga driver updates

   - extcon driver updates

   - interconnect driver updates

   - mei driver updates

   - nvmem driver updates

   - phy driver updates

   - pnp driver updates

   - soundwire driver updates

   - lots of other tiny driver updates for char and misc drivers

  This is looking more and more like the "various driver subsystems
  mushed together" tree...

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

* tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (292 commits)
  mcb: Use DEFINE_RES_MEM() helper macro and fix the end address
  PNP: moved EXPORT_SYMBOL so that it immediately followed its function/variable
  bus: mhi: pci-generic: Add missing 'pci_disable_pcie_error_reporting()' calls
  bus: mhi: Wait for M2 state during system resume
  bus: mhi: core: Fix power down latency
  intel_th: Wait until port is in reset before programming it
  intel_th: msu: Make contiguous buffers uncached
  intel_th: Remove an unused exit point from intel_th_remove()
  stm class: Spelling fix
  nitro_enclaves: Set Bus Master for the NE PCI device
  misc: ibmasm: Modify matricies to matrices
  misc: vmw_vmci: return the correct errno code
  siox: Simplify error handling via dev_err_probe()
  fpga: machxo2-spi: Address warning about unused variable
  lkdtm/heap: Add init_on_alloc tests
  selftests/lkdtm: Enable various testable CONFIGs
  lkdtm: Add CONFIG hints in errors where possible
  lkdtm: Enable DOUBLE_FAULT on all architectures
  lkdtm/heap: Add vmalloc linear overflow test
  lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE
  ...

virtio-blk: limit seg_max to a safe value

2021-07-03T08:50:53+00:00

The struct virtio_blk_config seg_max value is read from the device and
incremented by 2 to account for the request header and status byte
descriptors added by the driver.

In preparation for supporting untrusted virtio-blk devices, protect
against integer overflow and limit the value to a safe maximum.

Signed-off-by: Stefan Hajnoczi 
Link: https://lore.kernel.org/r/20210524154020.98195-1-stefanha@redhat.com
Reviewed-by: Christoph Hellwig 
Signed-off-by: Michael S. Tsirkin

virtio-blk: Fix memory leak among suspend/resume procedure

2021-07-03T08:50:52+00:00

The vblk->vqs should be freed before we call init_vqs()
in virtblk_restore().

Signed-off-by: Xie Yongji 
Link: https://lore.kernel.org/r/20210517084332.280-1-xieyongji@bytedance.com
Acked-by: Jason Wang 
Signed-off-by: Michael S. Tsirkin

virtio_blk: cleanups: remove check obsoleted by CONFIG_LBDAF removal

2021-07-03T08:50:49+00:00

Prior to 72deb455b5ec ("block: remove CONFIG_LBDAF"), it was optional if
the 32-bit kernel support block device and/or file sizes larger than 2 TiB
(considering the sector size is 512 bytes)
But now sector_t and blkcnt_t are always 64-bit in size.

Suggested-by: Ahmad Fatoum 
Signed-off-by: Sohaib Mohammed 
Link: https://lore.kernel.org/r/20210430103611.77345-1-sohaib.amhmd@gmail.com
Reviewed-by: Stefan Hajnoczi 
Signed-off-by: Michael S. Tsirkin