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

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Message-Id: <20090706182806.0C57.A69D9226@jp.fujitsu.com>
Date:	Mon,  6 Jul 2009 18:28:16 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Jeff Arnold <jbarnold@...lice.com>
Cc:	kosaki.motohiro@...fujitsu.com, 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.

Yeah, I agree it can dramatically reduce maintainance cost :)


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