ftrace: Add add_ftrace_hash_entry function

Renaming __add_hash_entry to add_ftrace_hash_entry and making it global,
it will be used in following changes outside ftrace.c object.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20260606123955.345967-4-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index b55ec9b25bb3c298fde4ebcfdcd387209a6dc69c..02bc5027523a8edd2d5d860044795aa965bd7ac0 100644 (file)
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -415,6 +415,7 @@ struct ftrace_hash *alloc_ftrace_hash(int size_bits);
 void free_ftrace_hash(struct ftrace_hash *hash);
 struct ftrace_func_entry *add_ftrace_hash_entry_direct(struct ftrace_hash *hash,
                                                       unsigned long ip, unsigned long direct);
+void add_ftrace_hash_entry(struct ftrace_hash *hash, struct ftrace_func_entry *entry);
 void ftrace_hash_remove(struct ftrace_hash *hash);
 
 /* The hash used to know what functions callbacks trace */

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 45548b0200eb47b796acfbf005d27aefec7f5ed6..f93e34dd23288bf02642570ac15fb4efc34f71de 100644 (file)
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1198,8 +1198,7 @@ ftrace_lookup_ip(struct ftrace_hash *hash, unsigned long ip)
        return __ftrace_lookup_ip(hash, ip);
 }
 
-static void __add_hash_entry(struct ftrace_hash *hash,
-                            struct ftrace_func_entry *entry)
+void add_ftrace_hash_entry(struct ftrace_hash *hash, struct ftrace_func_entry *entry)
 {
        struct hlist_head *hhd;
        unsigned long key;
@@ -1221,7 +1220,7 @@ add_ftrace_hash_entry_direct(struct ftrace_hash *hash, unsigned long ip, unsigne
 
        entry->ip = ip;
        entry->direct = direct;
-       __add_hash_entry(hash, entry);
+       add_ftrace_hash_entry(hash, entry);
 
        return entry;
 }
@@ -1477,7 +1476,7 @@ static struct ftrace_hash *__move_hash(struct ftrace_hash *src, int size)
                hhd = &src->buckets[i];
                hlist_for_each_entry_safe(entry, tn, hhd, hlist) {
                        remove_hash_entry(src, entry);
-                       __add_hash_entry(new_hash, entry);
+                       add_ftrace_hash_entry(new_hash, entry);
                }
        }
        return new_hash;
@@ -5360,7 +5359,7 @@ int ftrace_func_mapper_add_ip(struct ftrace_func_mapper *mapper,
        map->entry.ip = ip;
        map->data = data;
 
-       __add_hash_entry(&mapper->hash, &map->entry);
+       add_ftrace_hash_entry(&mapper->hash, &map->entry);
 
        return 0;
 }