On Wed, Apr 28, 2010 at 12:27:38PM +0300, Michael S. Tsirkin wrote: > When vhost-net is disabled on reboot, we set msix mask notifier > to NULL to disable further mask/unmask notifications. > Code currently tries to pass this NULL to notifier, > leading to a crash. The right thing to do is > to add explicit APIs to enable/disable notifications. > Now when disabling notifications: > - if vector is masked, we don't need to notify backend, > just disable future notifications > - if vector is unmasked, invoke callback to unassign backend, > then disable future notifications > > This patch also polls notifier before closing it, > to make sure we don't lose events if poll callback > didn't have time to run. > > Signed-off-by: Michael S. Tsirkin <[email protected]>
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