linux-kernel - [PATCH 3.2 18/94] sparc32: fix build failure for arch_jump_label

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Date:	Mon, 28 Apr 2014 02:11:21 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "David S. Miller" <davem@...emloft.net>,
	"Paul Gortmaker" <paul.gortmaker@...driver.com>
Subject: [PATCH 3.2 18/94] sparc32: fix build failure for arch_jump_label_transform

3.2.58-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Paul Gortmaker <paul.gortmaker@...driver.com>

[ Upstream commit 4f6500fff5f7644a03c46728fd7ef0f62fa6940b ]

In arch/sparc/Kernel/Makefile, we see:

   obj-$(CONFIG_SPARC64)   += jump_label.o

However, the Kconfig selects HAVE_ARCH_JUMP_LABEL unconditionally
for all SPARC.  This in turn leads to the following failure when
doing allmodconfig coverage builds:

kernel/built-in.o: In function `__jump_label_update':
jump_label.c:(.text+0x8560c): undefined reference to `arch_jump_label_transform'
kernel/built-in.o: In function `arch_jump_label_transform_static':
(.text+0x85cf4): undefined reference to `arch_jump_label_transform'
make: *** [vmlinux] Error 1

Change HAVE_ARCH_JUMP_LABEL to be conditional on SPARC64 so that it
matches the Makefile.

Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/sparc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 87537e2..88d442d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -24,7 +24,7 @@ config SPARC
 	select HAVE_IRQ_WORK
 	select HAVE_DMA_ATTRS
 	select HAVE_DMA_API_DEBUG
-	select HAVE_ARCH_JUMP_LABEL
+	select HAVE_ARCH_JUMP_LABEL if SPARC64
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 	select USE_GENERIC_SMP_HELPERS if SMP

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