mainline inclusion
from mainline-v5.2-rc1
commit 4635b0ae
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I3U9MR
CVE: NA

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This adds BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, and fixes up the

	error: enumeration value ‘BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE’ not handled in switch [-Werror=switch-enum]

build errors it would otherwise cause in libbpf.
Signed-off-by: NMatt Mullins <mmullins@fb.com>
Acked-by: NYonghong Song <yhs@fb.com>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Conflict:
	tools/include/uapi/linux/bpf.h
	tools/lib/bpf/libbpf.c
Signed-off-by: NYufen Yu <yuyufen@huawei.com>
Reviewed-by: NHou Tao <houtao1@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>