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