mainline inclusion
from mainline-5.17-rc1
commit 2dc1e488
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5EUVD
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2dc1e488e5cdfd937554ca81fd46ad874d244b3f

-------------------------------------------------

Add libbpf support for BTF_KIND_TYPE_TAG.
Signed-off-by: NYonghong Song <yhs@fb.com>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Acked-by: NAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211112012614.1505315-1-yhs@fb.com
(cherry picked from commit 2dc1e488)
Signed-off-by: NWang Yufen <wangyufen@huawei.com>

Conflicts:
	tools/lib/bpf/libbpf.map
Signed-off-by: NWang Yufen <wangyufen@huawei.com>