Merge branch topic/uek-4.1/upstream-cherry-picks of git://ca-git.us.oracle.com/linux-uek into uek/uek-4.1
* topic/uek-4.1/upstream-cherry-picks:
Btrfs: fix crash on fsync when using overlayfs v4
vfio/pci: Hide broken INTx support from user
crypto: cryptd - Assign statesize properly
crypto: ghash-clmulni - Fix load failure
USB: digi_acceleport: do sanity checking for the number of ports
ksplice: add sysctls for determining Ksplice features.
signal: protect SIGNAL_UNKILLABLE from unintentional clearing.