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Re: [patch] Use XKPHYS for 64-bit TLB flushes

To: Dominic Sweetman <dom@mips.com>
Subject: Re: [patch] Use XKPHYS for 64-bit TLB flushes
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Wed, 8 Jan 2003 20:18:46 +0100 (MET)
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
In-reply-to: <15900.30127.646847.937900@arsenal.algor.co.uk>
Organization: Technical University of Gdansk
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
On Wed, 8 Jan 2003, Dominic Sweetman wrote:

> It's probably better to use legal kuseg virtual addresses (but with

 I'd wait until there is an implementation that breaks with KSEG0 or
XKPHYS addresses.  Hopefully forever. 

> the invalid bit set) for initialising TLBs.  And to make them all
> different...

 They do are different: KSEG0+entry*0x2000, likewise for XKPHYS -- see the
patch. 

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +


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