linux-kernel - Re: Ksplice updates for Ubuntu 9.04 Jaunty

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Message-ID: <alpine.DEB.1.10.0907022047000.26615@vinegar-pot.mit.edu>
Date:	Sun, 5 Jul 2009 14:31:02 -0400 (EDT)
From:	Jeff Arnold <jbarnold@...lice.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
cc:	linux-kernel@...r.kernel.org, tabbott@...lice.com,
	wdaher@...lice.com, andersk@...lice.com, nelhage@...lice.com,
	price@...lice.com, geofft@...lice.com
Subject: Re: Ksplice updates for Ubuntu 9.04 Jaunty

On Fri, 3 Jul 2009, KOSAKI Motohiro wrote:

> Afaik, Solaris and some other Unix like OS have similar rebootless
> security update mechanism.

No system other than Ksplice makes it practical to convert kernel patches 
into hot updates while writing little to no new code.

People have manually been making limited changes to running binaries for 
years, but making it practical to go from kernel patches to hot updates is 
new.

- Jeff
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