75 lines
1.9 KiB
Diff
75 lines
1.9 KiB
Diff
From f3bee9375ed32b85e7f81a5e46a0040620553ae0 Mon Sep 17 00:00:00 2001
|
|
From: Tao Liu <ltao@redhat.com>
|
|
Date: Sat, 16 Oct 2021 13:21:14 +0800
|
|
Subject: [PATCH 4/9] symbols: Intergrate symbol_exists() with mod_symname_hash
|
|
search
|
|
|
|
This patch introduces mod_symname_hash search to symbol_exists()
|
|
to improve its performance. And code refactoring for
|
|
kernel_symbol_exists().
|
|
|
|
Signed-off-by: Tao Liu <ltao@redhat.com>
|
|
Reviewed-by: Philipp Rudo <prudo@redhat.com>
|
|
---
|
|
symbols.c | 35 ++++-------------------------------
|
|
1 file changed, 4 insertions(+), 31 deletions(-)
|
|
|
|
diff --git a/symbols.c b/symbols.c
|
|
index 83393f09270d..8d3dd95f737b 100644
|
|
--- a/symbols.c
|
|
+++ b/symbols.c
|
|
@@ -5481,33 +5481,11 @@ value_symbol(ulong value)
|
|
int
|
|
symbol_exists(char *symbol)
|
|
{
|
|
- int i;
|
|
- struct syment *sp, *sp_end;
|
|
- struct load_module *lm;
|
|
-
|
|
- if ((sp = symname_hash_search(st->symname_hash, symbol)))
|
|
+ if (symname_hash_search(st->symname_hash, symbol))
|
|
return TRUE;
|
|
|
|
- for (i = 0; i < st->mods_installed; i++) {
|
|
- lm = &st->load_modules[i];
|
|
- sp = lm->mod_symtable;
|
|
- sp_end = lm->mod_symend;
|
|
-
|
|
- for ( ; sp < sp_end; sp++) {
|
|
- if (STREQ(symbol, sp->name))
|
|
- return(TRUE);
|
|
- }
|
|
-
|
|
- if (lm->mod_init_symtable) {
|
|
- sp = lm->mod_init_symtable;
|
|
- sp_end = lm->mod_init_symend;
|
|
-
|
|
- for ( ; sp < sp_end; sp++) {
|
|
- if (STREQ(symbol, sp->name))
|
|
- return(TRUE);
|
|
- }
|
|
- }
|
|
- }
|
|
+ if (symname_hash_search(st->mod_symname_hash, symbol))
|
|
+ return TRUE;
|
|
|
|
return(FALSE);
|
|
}
|
|
@@ -5562,12 +5540,7 @@ per_cpu_symbol_search(char *symbol)
|
|
int
|
|
kernel_symbol_exists(char *symbol)
|
|
{
|
|
- struct syment *sp;
|
|
-
|
|
- if ((sp = symname_hash_search(st->symname_hash, symbol)))
|
|
- return TRUE;
|
|
- else
|
|
- return FALSE;
|
|
+ return !!symname_hash_search(st->symname_hash, symbol);
|
|
}
|
|
|
|
/*
|
|
--
|
|
2.30.2
|
|
|