Merge 5.15.52 into android14-5.15

Changes in 5.15.52
	tick/nohz: unexport __init-annotated tick_nohz_full_setup()
	x86, kvm: use proper ASM macros for kvm_vcpu_is_preempted
	bcache: memset on stack variables in bch_btree_check() and bch_sectors_dirty_init()
	xfs: use kmem_cache_free() for kmem_cache objects
	xfs: punch out data fork delalloc blocks on COW writeback failure
	xfs: Fix the free logic of state in xfs_attr_node_hasname
	xfs: remove all COW fork extents when remounting readonly
	xfs: check sb_meta_uuid for dabuf buffer recovery
	xfs: prevent UAF in xfs_log_item_in_current_chkpt
	xfs: only bother with sync_filesystem during readonly remount
	powerpc/ftrace: Remove ftrace init tramp once kernel init is complete
	fs: add is_idmapped_mnt() helper
	fs: move mapping helpers
	fs: tweak fsuidgid_has_mapping()
	fs: account for filesystem mappings
	docs: update mapping documentation
	fs: use low-level mapping helpers
	fs: remove unused low-level mapping helpers
	fs: port higher-level mapping helpers
	fs: add i_user_ns() helper
	fs: support mapped mounts of mapped filesystems
	fs: fix acl translation
	fs: account for group membership
	rtw88: 8821c: support RFE type4 wifi NIC
	rtw88: rtw8821c: enable rfe 6 devices
	net: mscc: ocelot: allow unregistered IP multicast flooding to CPU
	io_uring: fix not locked access to fixed buf table
	Linux 5.15.52

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icfb690703efd8cab1dffa7ca6cce28bbca635c3d

fs/cachefiles/bind.c

@@ -117,7 +117,7 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
 	root = path.dentry;
 
 	ret = -EINVAL;
-	if (mnt_user_ns(path.mnt) != &init_user_ns) {
+	if (is_idmapped_mnt(path.mnt)) {
 		pr_warn("File cache on idmapped mounts not supported");
 		goto error_unsupported;
 	}