Re: [PATCH 9/11] Panic delay fix

From: Andi Kleen
Date: Thu Feb 08 2007 - 03:25:20 EST


On Wed, Feb 07, 2007 at 02:31:57PM -0800, Zachary Amsden wrote:
> Dmitry Torokhov wrote:
> >
> >I am confused - does i8042 talk to a virtual or real hardware here? In
> >any case I think you need to fix kernel/panic.c to have proper
> >(m)delay, not mess with i8042.
>
> I think I need to fix both of them actually. This is virtual hardware,
> but when you grab focus on a VM, the virtual hardware gets reflected to
> the actual physical keyboard. Driving physical hardware that fast is bad.

???

Surely the physical keyboard is always handled by the host kernel?
I hope you're not saying it's trying to access the io ports directly?

-Andi
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