linux-kernel - Re: [PATCH 1/7] KVM: userspace interface

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Message-ID: <45378F08.5090204@qumranet.com>
Date:	Thu, 19 Oct 2006 16:43:20 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	John Stoffel <john@...ffel.org>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] KVM: userspace interface

John Stoffel wrote:
> Avi> This patch defines a bunch of ioctl()s on /dev/kvm.  The ioctl()s
> Avi> allow adding memory to a virtual machine, adding a virtual cpu to
> Avi> a virtual machine (at most one at this time), transferring
> Avi> control to the virtual cpu, and querying about guest pages
> Avi> changed by the virtual machine.
>
> Yuck.  ioclts are deprecated, you should be using /sysfs instead for
> stuff like this, or configfs.  
>   

I need to pass small amounts of data back and forth very efficiently.  
sysfs and configfs are more for one-time admin stuff, not for continuous 
device control.


-- 
error compiling committee.c: too many arguments to function

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