linux-kernel - Re: [kvm-devel] [PATCH][RFC] KVM: prepare user interface for smp guests

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Message-Id: <200610301319.10710.arnd@arndb.de>
Date:	Mon, 30 Oct 2006 13:19:10 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Avi Kivity <avi@...ranet.com>
Cc:	kvm-devel@...ts.sourceforge.net,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [kvm-devel] [PATCH][RFC] KVM: prepare user interface for smp guests

On Monday 30 October 2006 10:08, Avi Kivity wrote:
> > Your concept of allocating
> > a new context on each open is already weird, but there have been other
> > examples of that before.
>
> Actually that seemed to me quite natural.

It's described in LDD2 and other books, but the traditional view is
still that one device node in /dev refers to an actual device or
at least something that acts like a device (e.g. /dev/null, dev/tty).

> BTW, what does lsof show for spufs users?  I thought lsof /dev/kvm would 
> be a good way to look for virtual machines.

It does what you expect. Since spufs is mounted, 'ls /spu/' shows you
the existing spu contexts, 'lsof /spu/*' shows you the tasks using those.

	Arnd <><
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