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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