PLEASE TEST: IPI deadlock avoidance patch

[Jon Noack]

On 08/22/04 14:05, Doug White wrote:
> If you have a reasonably fast i386 or amd64 multiprocessor and/or
> hyperthreading machine and are experiencing reproducible hangs during -j
> buildwords and other highly parallel operations, please try this patch:
> 
> http://people.freebsd.org/~dwhite/smp_rv_mtx.patch

To add to the growing list of accolades for this patch, my dual Pentium 
3 survived a -j8 buildworld while serving out a heavy NFS load. 
Previously it could not even survive a -j4 buildworld.

This was with ULE and RELENG_5.

Thanks for tracking this down!
Jon