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ftrace: Add add_ftrace_hash_entry function

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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>
This commit is contained in:
Jiri Olsa
2026-06-06 14:39:28 +02:00
committed by Alexei Starovoitov
parent af7c323650
commit 2cd298c106
2 changed files with 5 additions and 5 deletions
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1
include/linux/ftrace.h
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@@ -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 */

9
kernel/trace/ftrace.c
View File

@@ -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;
}