On Thu, 28 Aug 1997 23:14:30 +0200 (MET DST) 
 Paul Kranenburg <pk@cs.few.eur.nl> wrote:

 > Yes, that sun3x code is derived from the akin sun4/sun4c code for
 > allocating DVMA addresses. (BTW. there's nothing the old `resource map'
 > code can do that the new extent code can't).
 > 
 > The problem with doing DVMA in the presence of a virtually indexed
 > cache that also implements a cache-coherency protocol (like the Hypersparc
 > does) is that it puts aliasing restrictions on the address used to do
 > a DVMA transaction.

Is it simple enough to provide the extent allocator with an alignment
restriction?

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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