Re: issue with patch "x86: no CPA on iounmap"

From: Arjan van de Ven
Date: Mon Feb 04 2008 - 23:50:22 EST


Siddha, Suresh B wrote:
This is wrt to x86 git commit f56d005d30342a45d8af2b75ecccc82200f09600
"x86: no CPA on iounmap"

This can use performance issue. When a GART driver unmaps a RAM page,

thinking about this some more...

afaik the gart driver doesn't use ioremap....

(and it does caching control explicitly, and sets its pages back to cached)

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