Date: Thu, 2 Apr 2009 11:11:41 +0800
From: Herbert Xu <herbert@gondor.apana.org.au>
To: Chris Wright <chrisw@sous-sol.org>
Cc: anthony@codemonkey.ws, andi@firstfloor.org, ghaskins@novell.com,
       linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com,
       pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org,
       kvm@vger.kernel.org
Subject: Re: [RFC PATCH 00/17] virtual-bus
Message-ID: <20090402031141.GA27878@gondor.apana.org.au>
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Chris Wright <chrisw@sous-sol.org> wrote:
>
>> That said, I don't think we're bound today by the fact that we're in  
>> userspace.  Rather we're bound by the interfaces we have between the  
>> host kernel and userspace to generate IO.  I'd rather fix those  
>> interfaces than put more stuff in the kernel.
> 
> And more stuff in the kernel can come at the potential cost of weakening
> protection/isolation.

Protection/isolation always comes at a cost.  Not everyone wants
to pay that, just like health insurance :) We should enable the
users to choose which model they want, based on their needs.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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