Merge 4.9.85 into android-4.9

Changes in 4.9.85
	netfilter: drop outermost socket lock in getsockopt()
	xtensa: fix high memory/reserved memory collision
	scsi: ibmvfc: fix misdefined reserved field in ibmvfc_fcp_rsp_info
	cfg80211: fix cfg80211_beacon_dup
	X.509: fix BUG_ON() when hash algorithm is unsupported
	PKCS#7: fix certificate chain verification
	RDMA/uverbs: Protect from command mask overflow
	iio: buffer: check if a buffer has been set up when poll is called
	iio: adis_lib: Initialize trigger before requesting interrupt
	x86/oprofile: Fix bogus GCC-8 warning in nmi_setup()
	irqchip/gic-v3: Use wmb() instead of smb_wmb() in gic_raise_softirq()
	PCI/cxgb4: Extend T3 PCI quirk to T4+ devices
	ohci-hcd: Fix race condition caused by ohci_urb_enqueue() and io_watchdog_func()
	usb: ohci: Proper handling of ed_rm_list to handle race condition between usb_kill_urb() and finish_unlinks()
	arm64: Disable unhandled signal log messages by default
	Add delay-init quirk for Corsair K70 RGB keyboards
	drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
	usb: dwc3: gadget: Set maxpacket size for ep0 IN
	usb: ldusb: add PIDs for new CASSY devices supported by this driver
	Revert "usb: musb: host: don't start next rx urb if current one failed"
	usb: gadget: f_fs: Process all descriptors during bind
	usb: renesas_usbhs: missed the "running" flag in usb_dmac with rx path
	drm/amdgpu: Add dpm quirk for Jet PRO (v2)
	drm/amdgpu: add atpx quirk handling (v2)
	drm/amdgpu: Avoid leaking PM domain on driver unbind (v2)
	drm/amdgpu: add new device to use atpx quirk
	binder: add missing binder_unlock()
	X.509: fix NULL dereference when restricting key with unsupported_sig
	mm: avoid spurious 'bad pmd' warning messages
	fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
	libnvdimm: fix integer overflow static analysis warning
	device-dax: implement ->split() to catch invalid munmap attempts
	mm: introduce get_user_pages_longterm
	v4l2: disable filesystem-dax mapping support
	IB/core: disable memory registration of filesystem-dax vmas
	libnvdimm, dax: fix 1GB-aligned namespaces vs physical misalignment
	mm: Fix devm_memremap_pages() collision handling
	mm: fail get_vaddr_frames() for filesystem-dax mappings
	x86/entry/64: Clear extra registers beyond syscall arguments, to reduce speculation attack surface
	Linux 4.9.85

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