Re: [PATCH 41/45] include/uapi/sound/emu10k1.h: hide gpr_valid, tram_valid and code_valid in userspace

From: Takashi Iwai
Date: Wed Mar 11 2015 - 02:11:28 EST


At Wed, 11 Mar 2015 03:22:04 +0200,
Mikko Rapeli wrote:
>
> On Tue, Feb 17, 2015 at 07:27:38AM +0100, Takashi Iwai wrote:
> > At Tue, 17 Feb 2015 00:05:44 +0100,
> > Mikko Rapeli wrote:
> > >
> > > The DECLARE_BITMAP macro is not available in userspace headers.
> > > Fixes userspace compile error:
> > > error: expected specifier-qualifier-list before âDECLARE_BITMAPâ
> >
> > It's nonsense. This results in an incompatible structure, thus ABI
> > would be broken completely (actually this will break the compile of
> > ld10k1).
>
> None of the exported headers after 'make headers_install' have definition
> of DECLARE_BITMAP macro. It is defined in include/linux/types.h which is
> different from include/uapi/linux/types.h and missing this definition and
> a few other things.
>
> One option would be add DECLARE_BITMAP macro to include/uapi/linux/types.h
> and add include/linux/bitops.h to uapi.
>
> Thoughts?

Are there any other headers like that? If this is the only one, leave
it as is. The only program that reads this are some alsa-tools ones
and they have already own DECLARE_BITMAP() definition. Adding the
extra definition here will even break the compilation out of sudden.


Takashi
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