linux-kernel - Re: [PATCH 4/4] add ksm kernel shared memory driver.

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Message-ID: <49D46841.8080908@redhat.com>
Date:	Thu, 02 Apr 2009 10:24:49 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Anthony Liguori <anthony@...emonkey.ws>
CC:	Chris Wright <chrisw@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Izik Eidus <ieidus@...hat.com>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, linux-mm@...ck.org, riel@...hat.com,
	jeremy@...p.org, mtosatti@...hat.com, hugh@...itas.com,
	corbet@....net, yaniv@...hat.com, dmonakhov@...nvz.org
Subject: Re: [PATCH 4/4] add ksm kernel shared memory driver.

Anthony Liguori wrote:
>
> I'm often afraid of what sort of bugs we'd uncover in kvm if we passed 
> the fds around via SCM_RIGHTS and started poking around :-/

kvm checks the mm doesn't change underneath.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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