Re: Page Attribute Table (PAT) support?

** Reply to message from Jeff Hartmann [off-list ref] 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.  Only then can they be mapped with per page write combining.  I 
should have working code by the 2.5.x timeframe.  I can also discuss the 
planned interface if anyone is interested.

I'm interested.  Would it be possible to port this support to 2.2, or would
that be too much work?


-- 
Timur Tabi - ttabi@interactivesi.com
Interactive Silicon - http://www.interactivesi.com

When replying to a mailing-list message, please direct the reply to the mailing list only.  Don't send another copy to me.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/