On Tuesday 19 January 2016 13:37:50 James Hogan wrote: > When a header file is removed from generic-y (often accompanied by the > addition of an arch specific header), the generated wrapper file will > persist, and in some cases may still take precedence over the new arch > header. > > For example commit f1fe2d21f4e1 ("MIPS: Add definitions for extended > context") removed ucontext.h from generic-y in arch/mips/include/asm/, > and added an arch/mips/include/uapi/asm/ucontext.h. The continued use of > the wrapper when reusing a dirty build tree resulted in build failures > in arch/mips/kernel/signal.c: > > arch/mips/kernel/signal.c: In function ‘sc_to_extcontext’: > arch/mips/kernel/signal.c:142:12: error: ‘struct ucontext’ has no member named ‘uc_extcontext’ > return &uc->uc_extcontext; > ^ > > Fix by detecting and removing wrapper headers in generated header > directories that do not correspond to a filename in generic-y, genhdr-y, > or the newly introduced generated-y. Good idea. Acked-by: Arnd Bergmann <arnd@xxxxxxxx> Can you merge this through the mips tree, or do you need me to pick it up through asm-generic?