linux-kernel - Re: about relocs.c on x86

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Message-ID: <47A209C0.7010204@zytor.com>
Date:	Thu, 31 Jan 2008 09:47:44 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Harvey Harrison <harvey.harrison@...il.com>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: about relocs.c on x86

Ingo Molnar wrote:
> 
> ( Hey, and maybe someone is crazy enough to try to port the math-emu 
>   code to 64-bit and boot Linux up on 64-bit with all user-space FPU ops 
>   emulated. It would be one of the most useless hacks of all times, and 
>   that certainly has a certain kind of sick appeal to it, doesnt it? ;-))
> 

It'd take a lot of work, since the x86-64 ABI requires SSE2.

	-hpa

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