Merge 5.10.162 into android12-5.10-lts

Changes in 5.10.162
	kernel: provide create_io_thread() helper
	iov_iter: add helper to save iov_iter state
	saner calling conventions for unlazy_child()
	fs: add support for LOOKUP_CACHED
	fix handling of nd->depth on LOOKUP_CACHED failures in try_to_unlazy*
	Make sure nd->path.mnt and nd->path.dentry are always valid pointers
	fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED
	tools headers UAPI: Sync openat2.h with the kernel sources
	net: provide __sys_shutdown_sock() that takes a socket
	net: add accept helper not installing fd
	signal: Add task_sigpending() helper
	fs: make do_renameat2() take struct filename
	file: Rename __close_fd_get_file close_fd_get_file
	fs: provide locked helper variant of close_fd_get_file()
	entry: Add support for TIF_NOTIFY_SIGNAL
	task_work: Use TIF_NOTIFY_SIGNAL if available
	x86: Wire up TIF_NOTIFY_SIGNAL
	arc: add support for TIF_NOTIFY_SIGNAL
	arm64: add support for TIF_NOTIFY_SIGNAL
	m68k: add support for TIF_NOTIFY_SIGNAL
	nios32: add support for TIF_NOTIFY_SIGNAL
	parisc: add support for TIF_NOTIFY_SIGNAL
	powerpc: add support for TIF_NOTIFY_SIGNAL
	mips: add support for TIF_NOTIFY_SIGNAL
	s390: add support for TIF_NOTIFY_SIGNAL
	um: add support for TIF_NOTIFY_SIGNAL
	sh: add support for TIF_NOTIFY_SIGNAL
	openrisc: add support for TIF_NOTIFY_SIGNAL
	csky: add support for TIF_NOTIFY_SIGNAL
	hexagon: add support for TIF_NOTIFY_SIGNAL
	microblaze: add support for TIF_NOTIFY_SIGNAL
	arm: add support for TIF_NOTIFY_SIGNAL
	xtensa: add support for TIF_NOTIFY_SIGNAL
	alpha: add support for TIF_NOTIFY_SIGNAL
	c6x: add support for TIF_NOTIFY_SIGNAL
	h8300: add support for TIF_NOTIFY_SIGNAL
	ia64: add support for TIF_NOTIFY_SIGNAL
	nds32: add support for TIF_NOTIFY_SIGNAL
	riscv: add support for TIF_NOTIFY_SIGNAL
	sparc: add support for TIF_NOTIFY_SIGNAL
	ia64: don't call handle_signal() unless there's actually a signal queued
	ARC: unbork 5.11 bootup: fix snafu in _TIF_NOTIFY_SIGNAL handling
	alpha: fix TIF_NOTIFY_SIGNAL handling
	task_work: remove legacy TWA_SIGNAL path
	kernel: remove checking for TIF_NOTIFY_SIGNAL
	coredump: Limit what can interrupt coredumps
	kernel: allow fork with TIF_NOTIFY_SIGNAL pending
	entry/kvm: Exit to user mode when TIF_NOTIFY_SIGNAL is set
	arch: setup PF_IO_WORKER threads like PF_KTHREAD
	arch: ensure parisc/powerpc handle PF_IO_WORKER in copy_thread()
	x86/process: setup io_threads more like normal user space threads
	kernel: stop masking signals in create_io_thread()
	kernel: don't call do_exit() for PF_IO_WORKER threads
	task_work: add helper for more targeted task_work canceling
	io_uring: import 5.15-stable io_uring
	signal: kill JOBCTL_TASK_WORK
	task_work: unconditionally run task_work from get_signal()
	net: remove cmsg restriction from io_uring based send/recvmsg calls
	Revert "proc: don't allow async path resolution of /proc/thread-self components"
	Revert "proc: don't allow async path resolution of /proc/self components"
	eventpoll: add EPOLL_URING_WAKE poll wakeup flag
	eventfd: provide a eventfd_signal_mask() helper
	io_uring: pass in EPOLL_URING_WAKE for eventfd signaling and wakeups
	Linux 5.10.162

Change-Id: I50a7b8bc8d38fac612113281b218cf5323b0af5e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>