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Re: MIPS_ATOMIC_SET again (Re: newest kernel

To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Subject: Re: MIPS_ATOMIC_SET again (Re: newest kernel
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Tue, 29 May 2001 08:57:33 +0200 (MET DST)
Cc: "Kevin D. Kissell" <kevink@mips.com>, linux-mips@oss.sgi.com
In-reply-to: <Pine.GSO.3.96.1010528190412.15200Q-100000@delta.ds2.pg.gda.pl>
Sender: owner-linux-mips@oss.sgi.com
On Mon, 28 May 2001, Maciej W. Rozycki wrote:
> On Mon, 28 May 2001, Kevin D. Kissell wrote:
> > >  Are vr41xx plain ISA I or crippled ISA II+ CPUs?
> > 
> > Actually, they are crippled MIPS III+ 64-bit CPUs
> 
>  Then an ll/sc and lld/scd emulation seems to be most appropriate here.  I
> don't think we want to add _test_and_set() to mips64*-linux. 

Do you want to run a 64-bit kernel on a Vr41xx? Most of these are used in
embedded systems, where the amount of RAM is a few orders of magnitude smaller
than the 32-bit RAM limit.

Gr{oetje,eeting}s,

                                                Geert

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Geert Uytterhoeven ------------- Sony Software Development Center Europe (SDCE)
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