Re: [PATCH 17/39] kbuild: fix header export when __ASSEMBLY__ is used

Arnd Bergmann
2009-06-06T00:41:23Z

On Friday 05 June 2009 11:42:35 pm Sam Ravnborg wrote:
> Because it does not know __ASSEMBLY__ it does not
> detect that htis is not for userspace.
> This caused too much code to be exported, and headers_check barfed
> over this code.
>
> For arm this fixes following "make headers_check" warning:
> /usr/include/asm/hwcap.h:29: extern's make no sense in userspace

Are you sure that this is safe for all user space? If a user application
for instance includes asm/signal.h or asm/types.h from assembly (for
whatever reason), it now breaks.

I can't think of a good reason why anyone would do such a thing,
but it used to be possible.