[PATCH] lockdep: stacktrace subsystem, i386 support

Framework to generate and save stacktraces quickly, without printing anything
to the console.  i386 support.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 27d8ddd..076a72c 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -18,6 +18,10 @@
 	bool
 	default y
 
+config STACKTRACE_SUPPORT
+	bool
+	default y
+
 config SEMAPHORE_SLEEPERS
 	bool
 	default y