Re: kmap_atomic_pfn for PCI BAR access?

[Jeremy Fitzhardinge]

Keith Packard 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
>   

Anything that does any kind of pagetable manipulation needs to do tlb 
flushes.  kunmap_atomic handles the flushing.

   J
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