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Subject: Re: [PATCH] i386 rw_semaphores fix
To: torvalds@transmeta.com (Linus Torvalds)
Date: Tue, 10 Apr 2001 22:57:09 +0100 (BST)
Cc: dhowells@cambridge.redhat.com (David Howells),
        andrewm@uow.edu.au (Andrew Morton), bcrl@redhat.com (Ben LaHaise),
        alan@lxorguk.ukuu.org.uk (Alan Cox),
        linux-kernel@vger.kernel.org (Kernel Mailing List)
In-Reply-To: <Pine.LNX.4.31.0104101229150.13071-100000@penguin.transmeta.com> from "Linus Torvalds" at Apr 10, 2001 12:42:07 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> That's no problem if we make this SMP-specific - I doubt anybody actually
> uses SMP on i486's even if the machines exist, as I think they all had

They do. There are two (total world wide) 486 SMP users I know about and they
mostly do it to be awkward ;)

> special glue logic that Linux would have trouble with anyway. But the

The Compaqs were custom, the non Compaq ones included several using Intel
MP 1.1.

Alan

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