Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)

Andi Kleen (ak@suse.de)
Wed, 12 Feb 2003 19:18:48 +0100

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On Wed, Feb 12, 2003 at 06:52:00PM +0100, Ingo Oeser wrote:
> On Wed, Feb 12, 2003 at 11:45:08AM +0100, Andi Kleen wrote:
> > [...] I have no real interest in vm86 mode, perhaps one of the people
> > interested in dosemu etc. could take care of it. I'm very glad it doesn't
> > exist on my main architecture - x86-64 - given how many hacks it needs to be
> > supported.
>
> 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.

-Andi
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