[PATCH] uml: MODE_TT is bust

arch/um/sys-x86_64/ptrace.c:20:1: warning: "SC_SS" redefined
In file included from arch/um/include/sysdep/ptrace.h:18,
                 from include/asm/ptrace-generic.h:12,
                 from include/asm/ptrace.h:15,
                 from arch/um/sys-x86_64/ptrace.c:8:
arch/um/include/sysdep/sc.h:38:1: warning: this is the location of the previous definition
arch/um/sys-x86_64/ptrace.c: In function 'putreg':
arch/um/sys-x86_64/ptrace.c:63: warning: implicit declaration of function 'SC_FS_BASE'
arch/um/sys-x86_64/ptrace.c:63: error: invalid lvalue in unary '&'
arch/um/sys-x86_64/ptrace.c:63: warning: implicit declaration of function 'SC_GS_BASE'
arch/um/sys-x86_64/ptrace.c:63: error: invalid lvalue in unary '&'
arch/um/sys-x86_64/ptrace.c: In function 'getreg':
arch/um/sys-x86_64/ptrace.c:101: error: invalid lvalue in unary '&'
arch/um/sys-x86_64/ptrace.c:101: error: invalid lvalue in unary '&'

I'd have to say that the fix for this, for now, is this:

Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/Kconfig

@@ -52,6 +52,7 @@ menu "UML-specific options"
 config MODE_TT
 	bool "Tracing thread support (DEPRECATED)"
 	default n
+	depends on BROKEN
 	help
 	This option controls whether tracing thread support is compiled
 	into UML. This option is largely obsolete, given that skas0 provides