On Mon, 27 Jan 1997 08:08:50 -0500 
 "Perry E. Metzger" <perry@piermont.com> wrote:

 > Wouldn't it be superior to detect and prevent the stack overflow? This
 > could happen on other architectures at some point, and the overflow
 > might go past the user structure...

Out of curiosity, how much stack does proc0 get?  The hp300 port
gives it NBPG (4k); it's the first thing in the data segment (tmpstk,
which is also used during context switches, and while in the
kernel debugger).

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939