linux-kernel - Re: i686 quirk for AMD Geode

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Message-ID: <4AF9EB4A.1050601@zytor.com>
Date:	Tue, 10 Nov 2009 14:38:02 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	Willy Tarreau <w@....eu>, Pavel Machek <pavel@....cz>,
	Avi Kivity <avi@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Matteo Croce <technoboy85@...il.com>,
	Sven-Haegar Koch <haegar@...net.de>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: i686 quirk for AMD Geode

On 11/10/2009 02:34 PM, Lennart Sorensen wrote:
> On Tue, Nov 10, 2009 at 02:29:33PM -0800, H. Peter Anvin wrote:
>> I don't believe we were talking about ARM.
> 
> True.  I do get the impression the ARM has higher trap overhead than x86.

Also, the x87 FPU is a very clunky beast that's slow to emulate (unlike
SSE).

	-hpa

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