Merge tag 'ASB-2021-03-05_4.19-stable' into int/13/fp4

https://source.android.com/security/bulletin/2021-03-01
CVE-2021-0399

* tag 'ASB-2021-03-05_4.19-stable': (184 commits)
  UPSTREAM: locking/static_key: Fix false positive warnings on concurrent dec/inc
  UPSTREAM: jump_label/lockdep: Assert we hold the hotplug lock for _cpuslocked() operations
  ANDROID: Add symbol of _proc_mkdir
  Linux 4.19.177
  kvm: check tlbs_dirty directly
  scsi: qla2xxx: Fix crash during driver load on big endian machines
  xen-blkback: fix error handling in xen_blkbk_map()
  xen-scsiback: don't "handle" error by BUG()
  xen-netback: don't "handle" error by BUG()
  xen-blkback: don't "handle" error by BUG()
  xen/arm: don't ignore return errors from set_phys_to_machine
  Xen/gntdev: correct error checking in gntdev_map_grant_pages()
  Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages()
  Xen/x86: also check kernel mapping in set_foreign_p2m_mapping()
  Xen/x86: don't bail early from clear_foreign_p2m_mapping()
  net: qrtr: Fix port ID for control messages
  KVM: SEV: fix double locking due to incorrect backport
  x86/build: Disable CET instrumentation in the kernel for 32-bit too
  ovl: expand warning in ovl_d_real()
  net/qrtr: restrict user-controlled length in qrtr_tun_write_iter()
  ...

Change-Id: Id8d8d96e9c5aadf7f8e9d4aa74dff7c2d911b0da