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From: Pavel Machek <pavel@ucw.cz>
To: Jeff Garzik <jeff@garzik.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	kvm-devel@lists.sourceforge.net, Avi Kivity <avi@qumranet.com>,
	Andrew Morton <akpm@osdl.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [kvm-devel] [RFC] Stable kvm userspace interface
Date: Fri, 12 Jan 2007 11:19:27 +0000	[thread overview]
Message-ID: <20070112111927.GB7145@ucw.cz> (raw)
In-Reply-To: <45A5F4A5.9000408@garzik.org>


Hi!

> >>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...

Yep, but at that point you have 32 vs. 64bit nightmare back... and
stronger, because sysfs does not have compat handling.

-- 
Thanks for all the (sleeping) penguins.

  parent reply	other threads:[~2007-01-12 11:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-09 13:37 Avi Kivity
2007-01-09 13:47 ` Jeff Garzik
2007-01-09 14:02   ` [kvm-devel] " James Morris
2007-01-09 14:11   ` Avi Kivity
2007-01-11  7:34   ` [kvm-devel] " Arnd Bergmann
2007-01-11  8:03     ` Avi Kivity
2007-01-11  8:26     ` Jeff Garzik
2007-01-11  8:32       ` Avi Kivity
2007-01-12 11:19       ` Pavel Machek [this message]
2007-01-11 17:40     ` David Lang
2007-01-11  7:26 ` Arnd Bergmann
2007-01-11  8:02   ` Avi Kivity

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