Merge tag 'v4.9.172' into khadas-vim3-4.9.y

This is the 4.9.172 stable release

diff --cc Documentation/kernel-parameters.txt
Simple merge

diff --cc Documentation/networking/ip-sysctl.txt
Simple merge

diff --cc Makefile
Simple merge

diff --cc arch/arm/boot/compressed/head.S
Simple merge

diff --cc drivers/block/loop.c
index 749b777,9f840d9..833f9c0
--- 1/drivers/block/loop.c
--- 2/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@@ -82,13 -82,8 +82,12 @@@
  
  static DEFINE_IDR(loop_index_idr);
  static DEFINE_MUTEX(loop_index_mutex);
- static DEFINE_MUTEX(loop_ctl_mutex);
  
 +#ifdef CONFIG_AMLOGIC_MODIFY
 +static int max_part = 4;
 +#else
  static int max_part;
 +#endif
  static int part_shift;
  
  static int transfer_xor(struct loop_device *lo, int cmd,

diff --cc drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
Simple merge

diff --cc drivers/usb/core/driver.c
Simple merge

diff --cc drivers/usb/core/hub.c
Simple merge

diff --cc drivers/usb/core/message.c
Simple merge

diff --cc drivers/usb/core/usb.h
Simple merge

diff --cc kernel/sched/fair.c
Simple merge

diff --cc kernel/trace/trace.c
Simple merge

diff --cc net/ipv4/route.c
Simple merge

diff --cc net/ipv4/sysctl_net_ipv4.c
Simple merge

diff --cc scripts/Kbuild.include
Simple merge