Re: Linux 2.6.35/TIPC 2.0 ABI breaking changes

From: Leandro Lucarella
Date: Wed Oct 20 2010 - 15:24:34 EST


Leandro Lucarella, el 20 de octubre a las 15:28 me escribiste:
> Jon Maloy, el 20 de octubre a las 14:10 me escribiste:
> > <...>
> > > >
> > > > Remember, permitting both is a superset of the current one
> > > (NBO only)
> > > > so it is fully backwards compatible. We break absolutly nothing by
> > > > permitting this.
> > > >
> > > Thats effectively reverting both our patches though, isn't it
> > > (not that I'm disagreeing with it, just looking for
> > > clarification). If we revert my patch and reintroduce the
> > > htohl mechanism which tracks endianess, we might as well
> > > revert the TIPC_SUB_SERVICE flag as well, yeah?
> >
> > Absolutely. I think it was a mistake to change that value.
> > But I don't think we need to reintroduce the htohl(). That
> > was just one way of doing it. If I understood your suggestion
> > from yesterday correctly you converted the whole message within
> > one if()clause, without any htohl(). I have have no problem with
> > that approach.
>
> There is a difference between both solutions, the htohl() version
> tracked the need for swap as a struct subscription member (which was
> used when sending back events). Neils patch doesn't do that tracking.
> I don't really know the implications of this, but maybe it would be
> a wise idea to stay in the safe side and revert both patches for now.

BTW, I tried 2.6.37 reverting both offending patches and everything
seems to work well.

--
Leandro Lucarella (AKA luca) http://llucax.com.ar/
----------------------------------------------------------------------
GPG Key: 5F5A8D05 (F8CD F9A7 BF00 5431 4145 104C 949E BFB6 5F5A 8D05)
----------------------------------------------------------------------
Vivimos en una Ãpoca muy contemporÃnea, Don Inodoro...
-- Mendieta
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/