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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index f7f24defccb8..35c18a98c21a 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -899,8 +899,12 @@ enum bpf_cgroup_storage_type {
/* The argument is a structure. */
#define BTF_FMODEL_STRUCT_ARG BIT(0)
+/* The argument is signed. */
+#define BTF_FMODEL_SIGNED_ARG BIT(1)
+
struct btf_func_model {
u8 ret_size;
+ u8 ret_flags;
u8 nr_args;
u8 arg_size[MAX_BPF_FUNC_ARGS];
u8 arg_flags[MAX_BPF_FUNC_ARGS];
@@ -939,7 +943,13 @@ 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 {
+#if defined(__s390x__)
+ BPF_MAX_TRAMP_LINKS = 27,
+#else
+ BPF_MAX_TRAMP_LINKS = 38,
+#endif
+};
struct bpf_tramp_links {
struct bpf_tramp_link *links[BPF_MAX_TRAMP_LINKS];
@@ -1836,7 +1846,7 @@ struct bpf_prog * __must_check bpf_prog_inc_not_zero(struct bpf_prog *prog);
void bpf_prog_put(struct bpf_prog *prog);
void bpf_prog_free_id(struct bpf_prog *prog);
-void bpf_map_free_id(struct bpf_map *map, bool do_idr_lock);
+void bpf_map_free_id(struct bpf_map *map);
struct btf_field *btf_record_find(const struct btf_record *rec,
u32 offset, enum btf_field_type type);