[PATCH 4/9] UML - Better diagnostics for broken configs

Produce a compile-time error if both MODE_SKAS and MODE_TT are disabled.

Signed-off-by: Jeff Dike <[email protected]>

Index: linux-2.6.15/arch/um/include/choose-mode.h
===================================================================
--- linux-2.6.15.orig/arch/um/include/choose-mode.h	2005-08-28 19:41:01.000000000 -0400
+++ linux-2.6.15/arch/um/include/choose-mode.h	2005-11-17 10:43:47.000000000 -0500
@@ -23,6 +23,9 @@ static inline void *__choose_mode(void *
 
 #elif defined(UML_CONFIG_MODE_TT)
 #define CHOOSE_MODE(tt, skas) (tt)
+
+#else
+#error CONFIG_MODE_SKAS and CONFIG_MODE_TT are both disabled
 #endif
 
 #define CHOOSE_MODE_PROC(tt, skas, args...) \

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