On Thursday, October 16, 2003, at 03:25  AM, Richard Earnshaw wrote:

> True, but in that case the worst that would happen is that we would 
> take a
> second fault after adding the page read-only on the first fault.

Except that we specifically changed the pmap_enter() interface in order 
to avoid double faults like these.  It would really suck to reintroduce 
double faults for this (pretty common) case.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>