linux-kernel - Re: [kvm-devel] [RFC] Stable kvm userspace interface

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Message-ID: <45A5F4A5.9000408@garzik.org>
Date:	Thu, 11 Jan 2007 03:26:13 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Arnd Bergmann <arnd@...db.de>
CC:	kvm-devel@...ts.sourceforge.net, Avi Kivity <avi@...ranet.com>,
	Andrew Morton <akpm@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [kvm-devel] [RFC] Stable kvm userspace interface

Arnd Bergmann wrote:
> On Tuesday 09 January 2007 14:47, Jeff Garzik wrote:
>> Can we please avoid adding a ton of new ioctls?  ioctls inevitably 
>> require 64-bit compat code for certain architectures, whereas 
>> sysfs/procfs does not.
> 
> For performance reasons, an ascii string based interface is not
> desireable here, some of these calls should be optimized to
> the point of counting cycles.

sysfs does not require ASCII...

	Jeff



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