Re: Modpost warning on Alchemy

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> > >     Even on a CPU with 36-bit physical address? ;-)
> > 
> > Nope. This is one problem for example with ioremap on a Pentium Pro.
> 
>  Well, but we only consider MIPS processors here which do not have such 
> odd restrictions resulting from bad design decisions in the past. ;-)  
> The 32-bit TLB entry format allows for up to 36 bits of the physical 
> address space (34 bits if support for the page size of 1kB has been 

So does the Pentium Pro. We can map 36bit physical addresses.

> enabled).  For anything beyond that you need a 64-bit MIPS processor using 
> the 64-bit TLB entry format.

Your problem is a little higher up the stack. ioremap takes an unsigned
long, which on a 32bit system usually means you can't give it a 36bit bus
address to remap.

Alan