Merge tag 'v4.9.178' into khadas-vim3-4.9.y

This is the 4.9.178 stable release

diff --cc Makefile
Simple merge

diff --cc arch/x86/entry/entry_64.S
Simple merge

diff --cc fs/ext4/ioctl.c
Simple merge

diff --cc fs/ext4/super.c
Simple merge

diff --cc fs/fs-writeback.c
Simple merge

diff --cc net/core/fib_rules.c
Simple merge