Re: Modpost warning on Alchemy

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

> >    That depends on the drivers used (some IDE drivers access it really 
> > often).
> 
>  It is their problem I would say -- there is a design problem either in 
> these drivers or the hardware handled.  The PCI spec is very explicit that 
> the config space is meant to be seldom accessed only.  Device 
> initialization/shutdown and bus error recovery are the normal places.

An awful lot of vendors get it horribly wrong and many end up needing
configuration space access even in IRQ handlers. Dishonourable mentions
to ATI for example ;)