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Message-Id: <1304455330-2728-1-git-send-email-abogani@kernel.org>
Date: Tue, 3 May 2011 22:42:10 +0200
From: Alessio Igor Bogani <abogani@...nel.org>
To: Rusty Russell <rusty@...tcorp.com.au>
Cc: Tim Abbott <tabbott@...lice.com>,
Anders Kaseorg <andersk@...lice.com>,
Tim Bird <tim.bird@...sony.com>,
LKML <linux-kernel@...r.kernel.org>,
Linux Embedded <linux-embedded@...r.kernel.org>,
Jason Wessel <jason.wessel@...driver.com>,
Alessio Igor Bogani <abogani@...nel.org>
Subject: [PATCH] module: Use binary search in lookup_symbol()
This work was supported by a hardware donation from the CE Linux Forum.
Signed-off-by: Alessio Igor Bogani <abogani@...nel.org>
---
kernel/module.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/module.c b/kernel/module.c
index 6a34337..a1f841e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2055,10 +2055,8 @@ static const struct kernel_symbol *lookup_symbol(const char *name,
const struct kernel_symbol *stop)
{
const struct kernel_symbol *ks = start;
- for (; ks < stop; ks++)
- if (strcmp(ks->name, name) == 0)
- return ks;
- return NULL;
+ return bsearch(ks->name, start, stop - start,
+ sizeof(struct kernel_symbol), cmp_name);
}
static int is_exported(const char *name, unsigned long value,
--
1.7.4.1
--
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