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RE: wired tlb entry?

To: "Ralf Baechle" <ralf@linux-mips.org>
Subject: RE: wired tlb entry?
From: "Joseph Chiu" <joseph@omnilux.net>
Date: Wed, 25 Jun 2003 11:05:49 -0700
Cc: "Pete Popov" <ppopov@mvista.com>, "Linux MIPS mailing list" <linux-mips@linux-mips.org>
Importance: Normal
In-reply-to: <20030625045916.GA28556@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
On Tuesday, June 24, 2003 9:59 PM Ralf Baechle wrote:

> Usual warning - wired entries are almost always a bad idea.  TLB entries
> are a scarce resource and wiring will reduce the number available for
> random replacement even further raising the amount of CPU burned in the
> TLB reload handler.

Thanks Ralf.  It is "just one" wired global TLB entry (admiteddly, out of a
paltry 32).   Using the wired entry has fixed the immediate problem at hand,
so I decided it's worth it for now.

Joseph


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