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From: Mark Murray <mark@grondar.org>
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To: Robert Watson <rwatson@FreeBSD.ORG>
In-Reply-To: Your message of "Tue, 20 Jul 2004 10:21:40 EDT."
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Subject: Re: I/O or Threading Suffer 
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Robert Watson writes:
>                                                Mark -- how much
> computation is being done here -- would it be worth dropping the Giant
> lock during that computation so that the thread can yield without
> generating a priority inversion?

I'm sure it could. There are some Giant issues related to the UIO stuff
that bit me in the bum when I removed the NEEDS_GIANT flag from the
device, but I'm reasonably sure that with careful work this can be
untangled.

M
--
Mark Murray
iumop ap!sdn w,I idlaH