** Reply to message from Jeff Hartmann <[EMAIL PROTECTED]> on Wed, 24 Jan
2001 11:45:43 -0700
> I'm actually writing support for the PAT as we speak. I already have
> working code for PAT setup. Just having a parameter for ioremap is not
> enough, unfortunately. According to the Intel Architecture Software
> Developer's Manual we have to remove all mappings of the page that are
> cached.
For our specific purposes, that's not important. We already flush the cache
before we create uncached regions (via ioremap_nocache). I understand that as a
general Linux feature, you can't ignore cache incoherency, but I don't think
it's a hard requirement.
--
Timur Tabi - [EMAIL PROTECTED]
Interactive Silicon - http://www.interactivesi.com
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