linux-kernel - linux-next: build failure after merge of the kbuild tree

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Message-ID: <20160915160839.037798db@canb.auug.org.au>
Date:   Thu, 15 Sep 2016 16:08:39 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Michal Marek <mmarek@...e.cz>
Cc:     linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Al Viro <viro@...iv.linux.org.uk>,
        Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kbuild@...r.kernel.org
Subject: linux-next: build failure after merge of the kbuild tree

Hi all,

After merging the dax-misc tree, today's linux-next build (powerpc
ppc44x_defconfig) failed like this:

arch/powerpc/kernel/built-in.o: In function `__ksymtab_clear_pages':
(___ksymtab+clear_pages+0x0): undefined reference to `clear_pages'

Caused by commit

  9445aa1a3062 ("ppc: move exports to definitions")

I applied the following fix patch:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 15 Sep 2016 16:04:12 +1000
Subject: [PATCH] ppc: there is no clear_pages to export

Fixes: 9445aa1a3062 ("ppc: move exports to definitions")
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 arch/powerpc/kernel/misc_32.S | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index ea26a9181586..f5156105c5f3 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -453,7 +453,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
 	stw	r7,8(r3);	\
 	stw	r8,12(r3);	\
 	stwu	r9,16(r3)
-EXPORT_SYMBOL(clear_pages)
 
 _GLOBAL(copy_page)
 	addi	r3,r3,-4
-- 
2.8.1

-- 
Cheers,
Stephen Rothwell