[PATCH] stacktrace doesn't work on uml

and no, it's not the case of "let's pull bits from underlying architecture"

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index b3a21ba..354cc6b 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -44,7 +44,7 @@
 
 config STACKTRACE_SUPPORT
 	bool
-	default y
+	default n
 
 config GENERIC_CALIBRATE_DELAY
 	bool