On Thu, 31 Jan 2008, Andrea Arcangeli wrote:
> > H.. exit_mmap is only called when the last reference is removed
> > against the mm right? So no tasks are running anymore. No pages are left.
> > Do we need to serialize at all for mmu_notifier_release?
>
> KVM sure doesn't need any locking t
On Wed, Jan 30, 2008 at 03:55:37PM -0800, Christoph Lameter wrote:
> On Thu, 31 Jan 2008, Andrea Arcangeli wrote:
>
> > > I think Andrea's original concept of the lock in the mmu_notifier_head
> > > structure was the best. I agree with him that it should be a spinlock
> > > instead of the rw_lock
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