Re: [mingo@elte.hu: [git pull] headers_check fixes]

[Harvey Harrison]

On Wed, 2009-01-28 at 09:48 -0800, H. Peter Anvin wrote:
> Arnd Bergmann wrote:
> > 
> > For the specific x86 swab code, that would certainly be the simplest
> > way, user space should not be using those inline assemblies either
> > way.
> > 
> > I think the more interesting question is whether we want to export
> > *any* inline helpers that are not part of the ABI to user space.
> > We already killed most of them (spinlocks, atomics, ...) and what
> > remains is basically just the byteorder code. All that is required
> > for the ABI is the information whether the system is big- or
> > little-endian, but not all the rest.
> > 
> 
> In general, no.  The byteswap API is a legacy exception.
> 

But now that swab.h has been separated out, we could just stop exporting the
asm/swab.h bits while still providing a generic C-based implementation to
userspace.

Harvey


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