From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <07aa01c4270f$b02feca0$0fca7d50@SOMA>
From: "boyd, rounin" <boyd@insultant.net>
To: <9fans@cse.psu.edu>
References: <ec03a84b52717e7b9769aed5ffc54a31@plan9.bell-labs.com>
Subject: Re: [9fans] acme, rio workalike available in plan 9 ports
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Date: Tue, 20 Apr 2004 21:42:57 +0200
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> It is flushed entirely at other times (like on a page fault) when it
doesn't
> need to be. The instructions to do that didn't exist on the original 386.

iirc the VAX would let you flush one entry or the whole thing; something
not to mess up should you implement copy-on-write fork.