>>> On 17.06.15 at 14:03, <david.vra...@citrix.com> wrote: > When sending an event, use a new per-event channel lock to safely > validate the event channel state. > > This new lock must be held when changing event channel state. Note > that the event channel lock must also be held when changing state from > ECS_FREE or it will race with a concurrent get_free_port() call. > > To avoid having to take the remote event channel locks when sending to > an interdomain event channel, the local and remote channel locks are > both held when binding or closing an interdomain event channel. > > This significantly increases the number of events that can be sent > from multiple VCPUs. But struct evtchn increases in size, reducing > the number that fit into a single page to 64 (instead of 128). > > Signed-off-by: David Vrabel <david.vra...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> But iiuc this functionally depends on the earlier patches, and hence can't go in without the issues there addressed. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
