On Wed, Jun 28, 2006 at 11:51:31AM -0700, Jason Thorpe wrote:
> 
> On Jun 28, 2006, at 10:50 AM, Manuel Bouyer wrote:
> 
> >>Only do this if you vslock the buffer!
> >
> >When calling uvm_vslock(), do we also need to PHOLD() the process ?
> 
> You only need to PHOLD if you going to do DMA to/from the stack.

The kernel stack, I guess ? So to do dma from/to a user-supplied buffer
only uvm_vslock() is needed, right ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--