From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 5 Feb 2008 15:50:42 +0000 (+0100)
Subject: [S390] Define GENERIC_LOCKBREAK.
X-Git-Tag: v2.6.25-rc1~786^2~8
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=b6b40c532a36f91df9c21caf9baba3b635e99d4e;p=linux-2.6-omap-h63xx.git

[S390] Define GENERIC_LOCKBREAK.

Fix compile error:

  CC      arch/s390/kernel/asm-offsets.s
In file included from
arch/s390/kernel/asm-offsets.c:7:
include/linux/sched.h: In function 'spin_needbreak':
include/linux/sched.h:1931: error: implicit declaration of function '__raw_spin_is_contended'
make[2]: *** [arch/s390/kernel/asm-offsets.s] Error 1

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 82cbffd0365..f0e7ccf1b20 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -47,6 +47,11 @@ config NO_IOMEM
 config NO_DMA
 	def_bool y
 
+config GENERIC_LOCKBREAK
+	bool
+	default y
+	depends on SMP && PREEMPT
+
 mainmenu "Linux Kernel Configuration"
 
 config S390