[RFC bpf-next 4/5] libbpf: define __kptr_user.

[Kui-Feng Lee <thinker.li@gmail.com>]

Make __kptr_user available to BPF programs to enable them to define user
kptrs.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 tools/lib/bpf/bpf_helpers.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 305c62817dd3..8f7fb00b90e3 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -185,6 +185,7 @@ enum libbpf_tristate {
 #define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
 #define __kptr __attribute__((btf_type_tag("kptr")))
 #define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
+#define __kptr_user __attribute__((btf_type_tag("kptr_user")))
 
 #if defined (__clang__)
 #define bpf_ksym_exists(sym) ({						\
-- 
2.34.1