linux-kernel - [PATCH AUTOSEL 4.4 055/174] nios2: ksyms: Add missing symbol exports

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Message-Id: <20200116174251.24326-55-sashal@kernel.org>
Date:   Thu, 16 Jan 2020 12:40:52 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Ley Foon Tan <ley.foon.tan@...el.com>,
        Sasha Levin <sashal@...nel.org>,
        nios2-dev@...ts.rocketboards.org
Subject: [PATCH AUTOSEL 4.4 055/174] nios2: ksyms: Add missing symbol exports

From: Guenter Roeck <linux@...ck-us.net>

[ Upstream commit 0f8ed994575429d6042cf5d7ef70081c94091587 ]

Building nios2:allmodconfig fails as follows (each symbol is only listed
once).

ERROR: "__ashldi3" [drivers/md/dm-writecache.ko] undefined!
ERROR: "__ashrdi3" [fs/xfs/xfs.ko] undefined!
ERROR: "__ucmpdi2" [drivers/media/i2c/adv7842.ko] undefined!
ERROR: "__lshrdi3" [drivers/md/dm-zoned.ko] undefined!
ERROR: "flush_icache_range" [drivers/misc/lkdtm/lkdtm.ko] undefined!
ERROR: "empty_zero_page" [drivers/md/dm-mod.ko] undefined!

The problem is seen with gcc 7.3.0.

Export the missing symbols.

Fixes: 2fc8483fdcde ("nios2: Build infrastructure")
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Ley Foon Tan <ley.foon.tan@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/nios2/kernel/nios2_ksyms.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/nios2/kernel/nios2_ksyms.c b/arch/nios2/kernel/nios2_ksyms.c
index bf2f55d10a4d..4e704046a150 100644
--- a/arch/nios2/kernel/nios2_ksyms.c
+++ b/arch/nios2/kernel/nios2_ksyms.c
@@ -9,12 +9,20 @@
 #include <linux/export.h>
 #include <linux/string.h>
 
+#include <asm/cacheflush.h>
+#include <asm/pgtable.h>
+
 /* string functions */
 
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memmove);
 
+/* memory management */
+
+EXPORT_SYMBOL(empty_zero_page);
+EXPORT_SYMBOL(flush_icache_range);
+
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
@@ -31,3 +39,7 @@ DECLARE_EXPORT(__udivsi3);
 DECLARE_EXPORT(__umoddi3);
 DECLARE_EXPORT(__umodsi3);
 DECLARE_EXPORT(__muldi3);
+DECLARE_EXPORT(__ucmpdi2);
+DECLARE_EXPORT(__lshrdi3);
+DECLARE_EXPORT(__ashldi3);
+DECLARE_EXPORT(__ashrdi3);
-- 
2.20.1