Re: Floating Point Exception

From: Måns Rullgård (mru_at_mru.ath.cx)
Date: 10/12/04


Date: Tue, 12 Oct 2004 00:53:32 +0200

Grant Edwards <grante@visi.com> writes:

>> You'd also best make sure that devices memory is marked
>> "non-cacheable" by it's kernel driver. x86 was never really
>> made for memory-mapped devices -- that's why it has I/O space.
>
> I/O space sucks royally, and modern cards are all going to
> memory-mapped I/O.

I'm only waiting for IOMMU to become available everywhere. It's
insane that every PCI card should have to implement its own MMU.

-- 
Måns Rullgård
mru@mru.ath.cx