Date: Wed, 17 May 2000 21:31:00 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Terry Lambert <tlambert@primenet.com> Cc: arch@FreeBSD.ORG Subject: Re: A new api for asynchronous task execution Message-ID: <Pine.BSF.4.21.0005172129200.47945-100000@salmon.nlsystems.com> In-Reply-To: <200005171727.KAA06011@usr05.primenet.com>
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On Wed, 17 May 2000, Terry Lambert wrote: > > I'm planning to add a new system to the kernel which should make it much > > easier for drivers (especially loadable drivers) to use software > > interrupts to implement split-level interrupt handlers. The api was > > inspired by the Linux tqueue system but the implementation is quite > > different. > > I would suggest that there is probably a lot to be learned from > the NT split interrupt handling model, if the relative performance > of NT and Solartis vs. BSD 4.4 based operating systems and Linux > is any indicator. I'm not very familiar with the NT model but I seem to remember that the upper level is basically a kernel thread. The taskqueue system I am proposing would support that directly. With small changes, I think it could easily load balance between several worker threads. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 20 8442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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