Merge 4.19.208 into android-4.19-stable

Changes in 4.19.208
	s390/bpf: Fix optimizing out zero-extensions
	KVM: remember position in kvm->vcpus array
	rcu: Fix missed wakeup of exp_wq waiters
	apparmor: remove duplicate macro list_entry_is_head()
	crypto: talitos - fix max key size for sha384 and sha512
	tracing/kprobe: Fix kprobe_on_func_entry() modification
	sctp: validate chunk size in __rcv_asconf_lookup
	sctp: add param size validation for SCTP_PARAM_SET_PRIMARY
	dmaengine: acpi: Avoid comparison GSI with Linux vIRQ
	thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()
	9p/trans_virtio: Remove sysfs file on probe failure
	prctl: allow to setup brk for et_dyn executables
	nilfs2: use refcount_dec_and_lock() to fix potential UAF
	profiling: fix shift-out-of-bounds bugs
	pwm: lpc32xx: Don't modify HW state in .probe() after the PWM chip was registered
	Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH
	drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
	parisc: Move pci_dev_is_behind_card_dino to where it is used
	dmaengine: sprd: Add missing MODULE_DEVICE_TABLE
	dmaengine: ioat: depends on !UML
	dmaengine: xilinx_dma: Set DMA mask for coherent APIs
	ceph: lockdep annotations for try_nonblocking_invalidate
	nilfs2: fix memory leak in nilfs_sysfs_create_device_group
	nilfs2: fix NULL pointer in nilfs_##name##_attr_release
	nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group
	nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group
	nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group
	nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group
	pwm: img: Don't modify HW state in .remove() callback
	pwm: rockchip: Don't modify HW state in .remove() callback
	pwm: stm32-lp: Don't modify HW state in .remove() callback
	blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
	drm/nouveau/nvkm: Replace -ENOSYS with -ENODEV
	Linux 4.19.208

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I600844898dabfffbfdcf6ab298fea2c270a1c691