Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/btf.h b/include/linux/btf.h
index e076c46..64cdf2a 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
struct btf;
+struct btf_member;
struct btf_type;
union bpf_attr;
@@ -46,5 +47,26 @@
struct seq_file *m);
int btf_get_fd_by_id(u32 id);
u32 btf_id(const struct btf *btf);
+bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s,
+ const struct btf_member *m,
+ u32 expected_offset, u32 expected_size);
+int btf_find_spin_lock(const struct btf *btf, const struct btf_type *t);
+bool btf_type_is_void(const struct btf_type *t);
+
+#ifdef CONFIG_BPF_SYSCALL
+const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id);
+const char *btf_name_by_offset(const struct btf *btf, u32 offset);
+#else
+static inline const struct btf_type *btf_type_by_id(const struct btf *btf,
+ u32 type_id)
+{
+ return NULL;
+}
+static inline const char *btf_name_by_offset(const struct btf *btf,
+ u32 offset)
+{
+ return NULL;
+}
+#endif
#endif