Merge branch 'x86/mpx/prep' into x86/asm

Pick up some of the MPX commits that modify the syscall entry code,
to have a common base and to reduce conflicts.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

scripts/Makefile.modpost

@@ -97,7 +97,6 @@ vmlinux.o: FORCE
 	$(call cmd,kernel-mod)
 
 # Declare generated files as targets for modpost
-$(symverfile):         __modpost ;
 $(modules:.ko=.mod.c): __modpost ;