diff mbox series

[bpf-next,1/4] bpf: export necessary sympols for modules

Message ID 1729737768-124596-2-git-send-email-alibuda@linux.alibaba.com (mailing list archive)
State Not Applicable
Headers show
Series net/smc: Introduce smc_bpf_ops | expand

Commit Message

D. Wythe Oct. 24, 2024, 2:42 a.m. UTC 
From: "D. Wythe" <alibuda@linux.alibaba.com>

This patch exports two necessary symbols for registering struct_ops
or kfunc with tristate subsystem.

Find the corresponding btf_id by name and type with
btf_find_by_name_kind().

And find the string in btf by offset with btf_str_by_offset(),
used to look up the names of structure members.

Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
---
 kernel/bpf/btf.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 75e4fe8..315e49b 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -567,6 +567,7 @@  s32 btf_find_by_name_kind(const struct btf *btf, const char *name, u8 kind)
 
 	return -ENOENT;
 }
+EXPORT_SYMBOL_GPL(btf_find_by_name_kind);
 
 s32 bpf_find_btf_id(const char *name, u32 kind, struct btf **btf_p)
 {
@@ -789,6 +790,7 @@  const char *btf_str_by_offset(const struct btf *btf, u32 offset)
 
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(btf_str_by_offset);
 
 static bool btf_name_valid_identifier(const struct btf *btf, u32 offset)
 {