Critical Sections for userland.

Alfred Perlstein alfred at freebsd.org
Thu Oct 4 02:48:21 PDT 2007


* Dag-Erling Sm??rgrav <des at des.no> [071004 02:05] wrote:
> Alfred Perlstein <alfred at freebsd.org> writes:
> > Hi guys, we need critical sections for userland here.
> >
> > This is basically to avoid a process being switched out while holding
> > a user level spinlock.
> 
> Yeah, great idea, cooperative multitasking is the new black!

Do you have:

a) Evidence or a paper to prove that this is a bad idea?
b) A helpful suggestion?
c) An obvious understanding of the problem?

If not then perhaps one ought to restrict snarky comments
to private mail where they will be at least somewhat appreciated.

-- 
- Alfred Perlstein


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