nmi_watchdog: Use a boolean config flag for compiling
Determines if an arch has setup arch specific perf_events and
nmi_watchdog code. This should restrict compiles to only those
arches ready.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Cc: peterz@infradead.org
Cc: gorcunov@gmail.com
Cc: aris@redhat.com
LKML-Reference: <1266013161-31197-1-git-send-email-dzickus@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cbcbfde..4f9685f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -52,6 +52,7 @@
select HAVE_KERNEL_LZO
select HAVE_HW_BREAKPOINT
select PERF_EVENTS
+ select PERF_EVENTS_NMI
select ANON_INODES
select HAVE_ARCH_KMEMCHECK
select HAVE_USER_RETURN_NOTIFIER