ARM SMP is ready for prime time on FreeBSD

[Ian Lepore]

On Sat, 2014-04-05 at 14:09 +0200, Zbigniew Bodek wrote:
> 2014-04-04 23:11 GMT+02:00 Ian Lepore <ian at freebsd.org>:
> > Thanks to the contributions of many dedicated freebsd-arm hackers over
> > the past few months, it looks like SMP is now solid enough for everyday
> > use.  SMP has been "kinda working" for a while, but I think the pmap
> > fixes we've been working on for the past few weeks have made things
> > pretty robust.  I've had continuous stress-testing on running on dual
> > and quad-core boards with a multi-threaded app that maxes out all the
> > cores with heavy floating point and network IO and haven't had any app
> > crashes or kernel panics for a couple weeks.
> >
> > I've updated the kernel configs for the platforms I know have multiple
> > cores, as of r264138.
> >
> > -- Ian
> >
> 
> Great work guys. Thank you.
> 
> Best regards
> zbb


I discovered today that I somehow dropped a couple TLB flushes in
putting together the commit for r264129, so anyone using SMP should
update to today's r264183 or later.  Sorry 'bout that.  

-- Ian