From: Kui-Feng Lee <thinker.li@gmail.com>
Date: Wed, 23 Oct 2024 23:47:54 +0000 (-0700)
Subject: libbpf: define __uptr.
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7aa12b8d9f24e9623effa12a3fc330de056d572e;p=users%2Fwilly%2Flinux.git

libbpf: define __uptr.

Make __uptr available to BPF programs to enable them to define uptrs.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20241023234759.860539-8-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 80bc0242e8dc..686824b8b413 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 __uptr __attribute__((btf_type_tag("uptr")))
 
 #if defined (__clang__)
 #define bpf_ksym_exists(sym) ({						\