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Subject: Re: [Bug 350] New: i386 context switch very slow compared to 2.4
	due to wrmsr (performance)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <ak@suse.de>
Cc: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>,
       Jamie Lokier <jamie@shareable.org>,
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On Wed, 2003-02-12 at 18:18, Andi Kleen wrote:
> > So what about making it a CONFIG_XXX option? The few dosemu users
> > could then configure it in.
> 
> Doesn't help for precompiled distribution kernels, which is what the majority
> of linux users run these days.

XFree86 makes significant use of it, and its software x86 emulator isn't up to 
replacing it on many cards (eg my C&T only works with vm86 not the emulator).
Obviously on x864-64 you have little choice, but for x86-32 its somewhat
relevant.


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