mainline inclusion
from mainline-5.12-rc1
commit dcf33b6f
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=dcf33b6f4de173818540e3a2a0668c80a1ebdc68

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Since recursion_misses counter is available in bpf_prog_info
improve the selftest to make sure it's counting correctly.
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210210033634.62081-8-alexei.starovoitov@gmail.com
(cherry picked from commit dcf33b6f)
Signed-off-by: NWang Yufen <wangyufen@huawei.com>