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Date:      Thu, 4 Oct 2007 02:48:21 -0700
From:      Alfred Perlstein <alfred@freebsd.org>
To:        Dag-Erling Sm??rgrav <des@des.no>
Cc:        hackers@freebsd.org
Subject:   Re: Critical Sections for userland.
Message-ID:  <20071004094821.GM31826@elvis.mu.org>
In-Reply-To: <86zlyzqmgo.fsf@ds4.des.no>
References:  <20071003015231.GJ31826@elvis.mu.org> <86zlyzqmgo.fsf@ds4.des.no>

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* Dag-Erling Sm??rgrav <des@des.no> [071004 02:05] wrote:
> Alfred Perlstein <alfred@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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