On Tue, 30 Jan 2007, Zach Brown wrote:
>
> I think we'll also want to flesh out the submission and completion interface
> so that we don't find ourselves frustrated with it in another 5 years. What's
> there now is just scaffolding to support the interesting kernel-internal part.
> No doubt the kevent thread will come into play here.
Actually, the thing I like about kernel micro-threads (and that "fibril"
name is starting to grow on me) is that I'm hoping we might be able to use
them for that kevent thing too. And perhaps some other issues (ACPI has
some "events" that might work with synchronously scheduled threads).
IOW, synchronous threading does have its advantages..
Btw, I noticed that you didn't Cc Ingo. Definitely worth doing. Not just
because he's basically the normal scheduler maintainer, but also because
he's historically been involved in things like the async filename lookup
that the in-kernel web server thing used. EXACTLY the kinds of things
where fibrils actually give you *much* nicer interfaces.
Ingo - see linux-kernel for the announcement and WIP patches.
Linus
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