From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: [ofa-general] Re: [PATCH 0 of 9] mmu notifier #v12
Date: Wed, 09 Apr 2008 00:46:49 +0300
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Cc: Nick Piggin <npiggin@suse.de>, Jack Steiner <steiner@sgi.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>, kvm-devel@lists.sourceforge.net,
	Kanoj Sarcar <kanojsarcar@yahoo.com>,
	Roland Dreier <rdreier@cisco.com>, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, Robin Holt <holt@sgi.com>,
	general@lists.openfabrics.org, Hugh Dickins <hugh@veritas.com>,
	akpm@linux-foundation.org, Christoph Lameter <clameter@sgi.com>
To: Andrea Arcangeli <andrea@qumranet.com>
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Andrea Arcangeli wrote:
> Note that mmu_notifier_unregister may also fail with -EINTR if there are
> signal pending or the system runs out of vmalloc space or physical memory,
> only exit_mmap guarantees that any kernel module can be unloaded in presence
> of an oom condition.
>
>   

That's unusual.  What happens to the notifier?  Suppose I destroy a vm 
without exiting the process, what happens if it fires?

-- 
Any sufficiently difficult bug is indistinguishable from a feature.