From d314d74c695f967e10598467a326f41c78ed1e20 Mon Sep 17 00:00:00 2001
From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Fri, 23 Mar 2012 15:01:51 -0700
Subject: nmi watchdog: do not use cpp symbol in Kconfig

ARCH_HAS_NMI_WATCHDOG is a macro defined by arch, but config
HARDLOCKUP_DETECTOR depends on it.  This is wrong, ARCH_HAS_NMI_WATCHDOG
has to be a Kconfig config, and arch's need it should select it
explicitly.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/Kconfig')

diff --git a/arch/Kconfig b/arch/Kconfig
index 5b448a74d0f..a6f14f622d1 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -120,6 +120,9 @@ config HAVE_KRETPROBES
 
 config HAVE_OPTPROBES
 	bool
+
+config HAVE_NMI_WATCHDOG
+	bool
 #
 # An arch should select this if it provides all these things:
 #
-- 
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