Merge 4.4.61 into android-4.4

Changes in 4.4.61:
	drm/vmwgfx: Type-check lookups of fence objects
	drm/vmwgfx: NULL pointer dereference in vmw_surface_define_ioctl()
	drm/vmwgfx: avoid calling vzalloc with a 0 size in vmw_get_cap_3d_ioctl()
	drm/ttm, drm/vmwgfx: Relax permission checking when opening surfaces
	drm/vmwgfx: Remove getparam error message
	drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl()
	sysfs: be careful of error returns from ops->show()
	staging: android: ashmem: lseek failed due to no FMODE_LSEEK.
	arm/arm64: KVM: Take mmap_sem in stage2_unmap_vm
	arm/arm64: KVM: Take mmap_sem in kvm_arch_prepare_memory_region
	iio: bmg160: reset chip when probing
	Reset TreeId to zero on SMB2 TREE_CONNECT
	ptrace: fix PTRACE_LISTEN race corrupting task->state
	ring-buffer: Fix return value check in test_ringbuffer()
	metag/usercopy: Drop unused macros
	metag/usercopy: Fix alignment error checking
	metag/usercopy: Add early abort to copy_to_user
	metag/usercopy: Zero rest of buffer from copy_from_user
	metag/usercopy: Set flags before ADDZ
	metag/usercopy: Fix src fixup in from user rapf loops
	metag/usercopy: Add missing fixups
	powerpc/mm: Add missing global TLB invalidate if cxl is active
	powerpc: Don't try to fix up misaligned load-with-reservation instructions
	nios2: reserve boot memory for device tree
	s390/decompressor: fix initrd corruption caused by bss clear
	s390/uaccess: get_user() should zero on failure (again)
	MIPS: Force o32 fp64 support on 32bit MIPS64r6 kernels
	MIPS: ralink: Fix typos in rt3883 pinctrl
	MIPS: End spinlocks with .insn
	MIPS: Lantiq: fix missing xbar kernel panic
	MIPS: Flush wrong invalid FTLB entry for huge page
	mm/mempolicy.c: fix error handling in set_mempolicy and mbind.
	Linux 4.4.61

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>