Date: 8 Feb 2007 09:24:43 +0100
Date: Thu, 8 Feb 2007 09:24:43 +0100
From: Andi Kleen <ak@muc.de>
To: Zachary Amsden <zach@vmware.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>, Rusty Russell <rusty@rustcorp.com.au>,
       Jeremy Fitzhardinge <jeremy@goop.org>,
       Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH 9/11] Panic delay fix
Message-ID: <20070208082443.GA9928@muc.de>
References: <200702060353.l163rUmj000771@zach-dev.vmware.com> <20070206122729.GC47229@muc.de> <45C8FA2D.6010706@vmware.com> <d120d5000702070658l1c018565n34a6d8814a20184d@mail.gmail.com> <45CA535D.1080700@vmware.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <45CA535D.1080700@vmware.com>
User-Agent: Mutt/1.4.1i
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 892
Lines: 22

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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/