Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to invalidateaddress ranges

[Andrea Arcangeli]

On Wed, Jan 30, 2008 at 06:08:14PM -0800, Christoph Lameter wrote:
>  		hlist_for_each_entry_safe_rcu(mn, n, t,
				         ^^^^

>  					  &mm->mmu_notifier.head, hlist) {
>  			hlist_del_rcu(&mn->hlist);
				 ^^^^

_rcu can go away from both, if hlist_del_rcu can be called w/o locks.
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