linux-kernel - [PATCH 3.12 011/181] powerpc/mm: fix ".__node

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Date:	Mon, 30 Jun 2014 13:50:32 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Mike Qiu <qiudayu@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Jesse Larrew <jlarrew@...ux.vnet.ibm.com>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>,
	Alistair Popple <alistair@...ple.id.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 011/181] powerpc/mm: fix ".__node_distance" undefined

From: Mike Qiu <qiudayu@...ux.vnet.ibm.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 12c743eb2289bcaace32859d4919417ff5707768 upstream.

  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  ...
  Building modules, stage 2.
WARNING: 1 bad relocations
c0000000013d6a30 R_PPC64_ADDR64    uprobes_fetch_type_table
  WRAP    arch/powerpc/boot/zImage.pseries
  WRAP    arch/powerpc/boot/zImage.epapr
  MODPOST 1849 modules
ERROR: ".__node_distance" [drivers/block/nvme.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
make: *** Waiting for unfinished jobs....

The reason is symbol "__node_distance" not been exported in powerpc.

Signed-off-by: Mike Qiu <qiudayu@...ux.vnet.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Nathan Fontenot <nfont@...ux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
Cc: Jesse Larrew <jlarrew@...ux.vnet.ibm.com>
Cc: Robert Jennings <rcj@...ux.vnet.ibm.com>
Cc: Alistair Popple <alistair@...ple.id.au>
Cc: Mike Qiu <qiudayu@...ux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/powerpc/mm/numa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 4788ea2b343a..14c05547bd74 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -232,6 +232,7 @@ int __node_distance(int a, int b)
 
 	return distance;
 }
+EXPORT_SYMBOL(__node_distance);
 
 static void initialize_distance_lookup_table(int nid,
 		const __be32 *associativity)
-- 
2.0.0

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