Nothing at all, sadly.
> Most of what appears in the source with (vuip) cast are macroes,
> and it may well be that a macro-expansion surprise has bitten
> in here... Hmm.. No, can't say it definitely, but most of
> include/asm-alpha/pyxis.h defined values are within parens.
Indeed, I thought I'd made sure of that when I made the change. I
don't suppose you could save me a bit of trouble and send me the
preprocessed pyxis.c files for the working and non-working kernel?
I'd like to see what difference is made in the assembly.
> (I have no idea, why same source on intel box did
> not need special tricks for producing working ipv6 module.)
The intel ipv6 csum magic routine is inline, isn't it?
r~