From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Sat, 28 Jan 2023 00:06:21 +0000 (+0100)
Subject: bpf: Change BPF_MAX_TRAMP_LINKS to enum
X-Git-Tag: v6.6.7~3490^2~92^2~63
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=390a07a921b3b1fe544cb2921de7abb94ebb7f26;p=platform%2Fkernel%2Flinux-starfive.git

bpf: Change BPF_MAX_TRAMP_LINKS to enum

This way it's possible to query its value from testcases using BTF.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index f7f24de..34551e4 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -939,7 +939,9 @@ struct btf_func_model {
 /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50
  * bytes on x86.
  */
-#define BPF_MAX_TRAMP_LINKS 38
+enum {
+	BPF_MAX_TRAMP_LINKS = 38,
+};
 
 struct bpf_tramp_links {
 	struct bpf_tramp_link *links[BPF_MAX_TRAMP_LINKS];