Date: Thu, 4 Oct 2007 09:55:55 -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: <20071004165555.GQ31826@elvis.mu.org> In-Reply-To: <863awrqilu.fsf@ds4.des.no> References: <20071003015231.GJ31826@elvis.mu.org> <86zlyzqmgo.fsf@ds4.des.no> <20071004094821.GM31826@elvis.mu.org> <86ejgbqjvr.fsf@ds4.des.no> <20071004101902.GN31826@elvis.mu.org> <863awrqilu.fsf@ds4.des.no>
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* Dag-Erling Sm??rgrav <des@des.no> [071004 03:28] wrote: > Alfred Perlstein <alfred@freebsd.org> writes: > > It's not worth my time to engage someone with your mind set, you > > posses neither the technical nor interpersonal skill to be useful > > to me. > > This could be the beginning of a wonderful friendship... > > > For context see my replies in this thread to Kip Macy which explains > > how one deals with the false-problems you mention. > > I did read them, and I'm not convinced at all. You are asking for a > large amount of complexity to be added to the system, but you refuse to > tell us what you're actually trying to do. Are you worried that we > might actually figure out a way to do it without raping the scheduler? As already explained by Kip, the goal is to avoid switching out a lock owner due to quantum exhaustion at an inopportune time. We have needs that may wind up not being applicable to FreeBSD, however if we can accomplish this in a way that is not too awful we would likely be sharing the code, no matter how annoying you make it. :) -- - Alfred Perlstein
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