From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rick Hohensee <humbubba@smarty.smart.net>
Message-Id: <200107261401.KAA07263@smarty.smart.net>
Subject: Re: [9fans] commercial deployment
To: 9fans@cse.psu.edu
In-Reply-To: <20010726115552.9FB7619A10@mail.cse.psu.edu> from "rob pike" at Jul 26, 2001 07:55:50 AM
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Date: Thu, 26 Jul 2001 10:01:25 -0400
Topicbox-Message-UUID: d6f74b50-eac9-11e9-9e20-41e7f4b1d025

>
> This is a multi-part message in MIME format.
> --upas-odkgklfjzdotnlpxfzoohjyzvb
> Content-Disposition: inline
> Content-Type: text/plain; charset="US-ASCII"
> Content-Transfer-Encoding: 7bit
>
> > hmm, right, the same way "priority inheritence protocols" (Sha et al.)
> > for the priority inversion problem is "academic." :-]
>
> An academic solution to an academic problem.  Ever notice that Plan 9
> has process priorities that influence scheduling, but interrupts are
> either on (spllo) or off (splhi)?  That simplification, which was a
> step I took when I wrote the very first version of the kernel, fixed a
> problem I didn't even know existed at the time.  Another blow struck
> in the fight for simplicity.
>
> -rob
>

Fight the good fight!

Rick Hohensee