Merge tag 'v5.3-rc2' into patchwork

Linux 5.3-rc2

* tag 'v5.3-rc2': (342 commits)
  Linux 5.3-rc2
  kbuild: remove unused single-used-m
  gen_compile_commands: lower the entry count threshold
  .gitignore: Add compilation database file
  kbuild: remove unused objectify macro
  dt-bindings: Fix more $id value mismatches filenames
  dt-bindings: nvmem: SID: Fix the examples node names
  dt-bindings: nvmem: Add YAML schemas for the generic NVMEM bindings
  of: Fix typo in kerneldoc
  block: fix max segment size handling in blk_queue_virt_boundary
  docs: phy: Drop duplicate 'be made'
  fix the struct mount leak in umount_tree()
  MAINTAINERS: vfio-ccw: Remove myself as the maintainer
  s390/mm: use shared variables for sysctl range check
  virtio/s390: fix race on airq_areas[]
  s390/dma: provide proper ARCH_ZONE_DMA_BITS value
  btrfs: fix extent_state leak in btrfs_lock_and_flush_ordered_range
  Makefile: Globally enable fall-through warning
  drm/i915: Mark expected switch fall-throughs
  drm/amd/display: Mark expected switch fall-throughs
  ...