Message-ID: <47427076.7030702@zytor.com>
Date: Mon, 19 Nov 2007 21:28:22 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Nick Piggin <nickpiggin@yahoo.com.au>
CC: Adrian Bunk <bunk@kernel.org>, Willy Tarreau <w@1wt.eu>,
       Mark Lord <lkml@rtr.ca>, Andrew Morton <akpm@linux-foundation.org>,
       Linus Torvalds <torvalds@osdl.org>, Ingo Molnar <mingo@elte.hu>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: CONFIG_IRQBALANCE for 64-bit x86 ?
References: <47425EA5.7000607@rtr.ca> <20071120042929.GD15227@1wt.eu> <20071120043742.GE6164@stusta.de> <200711201624.32611.nickpiggin@yahoo.com.au>
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Nick Piggin wrote:
> On Tuesday 20 November 2007 15:37, Adrian Bunk wrote:
>> On Tue, Nov 20, 2007 at 05:29:29AM +0100, Willy Tarreau wrote:
> 
>>> Agreed. When userspace has something to do with the way IRQs are
>>> delivered, it's going to smell as bad as micro-kernels...
>> The next step to a micro-kernel would then be hardware drivers and file
>> systems in userspace?  ;-)
> 
> We already have those. So the next step would be to pretend the
> performance critical ones can be in userspace and remain competitive,
> wouldn't it? ;)

Hey, I have a great idea... we can create a microkernel^W hypervisor and 
make a single process^W domain do all the I/O...

	-hpa
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