Re: kmap_atomic_pfn for PCI BAR access?

From: Arjan van de Ven
Date: Thu Jun 26 2008 - 06:34:54 EST


On Wed, 25 Jun 2008 22:36:29 -0700
Keith Packard <keithp@xxxxxxxxxx> wrote:

> On Wed, 2008-06-25 at 21:36 -0700, Arjan van de Ven wrote:
>
> > well kmap does a tlb flush as well...
>
> kmap_atomic

that needs to, and does, a flush as well.
granted, a per cpu flush, but it's a flush neverthelesss

>


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