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>
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index abe5a9e..c1269a1 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -36,6 +36,7 @@
select GENERIC_ATOMIC64
select GENERIC_IRQ_PROBE
select IRQ_PER_CPU if SMP
+ select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
config GENERIC_CSUM
def_bool y