On 31 March 2011 20:01, Anthony Liguori <anth...@codemonkey.ws> wrote: > VGA is just another device. It happens to be that we treat VGA device > memory as something that behaves like ram occassionally but that does not > make it RAM.
So, to ask a dumb question, what does make something RAM? My take on RAM is that RAM is just another device; the only difference is that you want to be able to implement fast paths that go straight(ish) to target memory; but that's an optimisation detail, not something that makes RAM conceptually different from other devices... -- PMM