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From: Arjan van de Ven <>
To: "Siddha, Suresh B" <>
Subject: Re: issue with patch "x86: no CPA on iounmap"
Date: Mon, 04 Feb 2008 20:48:08 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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)

  parent reply	other threads:[~2008-02-05  4:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-05  1:13 Siddha, Suresh B
2008-02-05  4:41 ` Arjan van de Ven
2008-02-05  4:48 ` Arjan van de Ven [this message]
2008-02-05  7:05   ` Ingo Molnar
2008-02-05  7:14     ` Arjan van de Ven
2008-02-07 20:02     ` Siddha, Suresh B

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