linux-kernel - [PATCH] arch: unicore32: kernel: ksyms: remove 'bswapsi2' and 'muldi3' to avoid compiling failure

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Date:	Wed, 21 May 2014 09:37:08 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Guan Xuetao <gxt@...c.pku.edu.cn>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] arch: unicore32: kernel: ksyms: remove 'bswapsi2' and 'muldi3'
 to avoid compiling failure

After check the code, 'bswapsi2' and 'muldi3' are useless for
unicore32, so can remove them to avoid compiling failure.

The related error (with allmodconfig under unicore32):

    LD      init/built-in.o
  arch/unicore32/kernel/built-in.o:(___ksymtab+__muldi3+0x0): undefined reference to `__muldi3'
  arch/unicore32/kernel/built-in.o:(___ksymtab+__bswapsi2+0x0): undefined reference to `__bswapsi2'


Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/unicore32/kernel/ksyms.c | 2 --
 arch/unicore32/kernel/ksyms.h | 2 --
 2 files changed, 4 deletions(-)

diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c
index bc06140..e78911a 100644
--- a/arch/unicore32/kernel/ksyms.c
+++ b/arch/unicore32/kernel/ksyms.c
@@ -53,9 +53,7 @@ EXPORT_SYMBOL(__ashrdi3);
 EXPORT_SYMBOL(__divsi3);
 EXPORT_SYMBOL(__lshrdi3);
 EXPORT_SYMBOL(__modsi3);
-EXPORT_SYMBOL(__muldi3);
 EXPORT_SYMBOL(__ucmpdi2);
 EXPORT_SYMBOL(__udivsi3);
 EXPORT_SYMBOL(__umodsi3);
-EXPORT_SYMBOL(__bswapsi2);
 
diff --git a/arch/unicore32/kernel/ksyms.h b/arch/unicore32/kernel/ksyms.h
index 185cdc7..31472ad 100644
--- a/arch/unicore32/kernel/ksyms.h
+++ b/arch/unicore32/kernel/ksyms.h
@@ -8,8 +8,6 @@ extern void __ashrdi3(void);
 extern void __divsi3(void);
 extern void __lshrdi3(void);
 extern void __modsi3(void);
-extern void __muldi3(void);
 extern void __ucmpdi2(void);
 extern void __udivsi3(void);
 extern void __umodsi3(void);
-extern void __bswapsi2(void);
-- 
1.9.2.459.g68773ac
--
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