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

Andrea Arcangeli
2008-01-31T02:43:12Z

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.