Re: [PAE support] patch review

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Sat, Jul 17, 2010 at 12:32:00PM -0500, David Young wrote:
> On Sat, Jul 17, 2010 at 03:52:19PM +0200, Jean-Yves Migeon wrote:
> > Hi lists,
> > 
> > You will find attached the patch for PAE support [1]; diff is against
> > latest current. This one is for a last review before commit.
> 
> On x86 the bus_addr_t width follows the paddr_t width (we have "typedef
> paddr_t bus_addr_t" in x86/include/bus.h).  That makes sense on non-PAE
> i386 and on amd64, but on PAE i386?

It makes sense for PAE too, because you want to be able to use busdma
access above 4GB for devices that support it.

Joerg