Critical Sections for userland.

[Alfred Perlstein]

* Kip Macy <kip.macy at gmail.com> [071002 20:24] wrote:
> See /sys/priority.h realtime is right below ithreads in terms of
> priority. One of the big motivations for  gang scheduling and part of
> the reason why SMP guests often perform poorly is that apps / VMs
> don't scale well if they're descheduled from the cpu while holding a
> lock.

Yes, exactly the problem, it sucks when process A on CPU 1 runs out
of quantum while holding a lock that a runner on CPU 2 wants.



-- 
- Alfred Perlstein