On 03/22/2012 01:17 AM, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > > This patch basically adds kvm_irqchip_send_msi, a service for sending > arbitrary MSI messages to KVM's in-kernel irqchip models. > > As the current KVI API requires us to establish a static route from a s/KVI/KVM/ > pseudo GSI to the target MSI message and inject the MSI via toggling > that GSI, we need to play some tricks to make this unfortunately s/unfortunately/unfortunate/ > interface transparent. We create those routes on demand and keep them > in a hash table. Succeeding messages can then search for an existing > route in the table first and reuse it whenever possible. If we should > run out of limited GSIs, we simply flush the table and rebuild it as > messages are sent. > > This approach is rather simple and could be optimized further. However, > it is more efficient to enhance the KVM API so that we do not need this > clumsy dynamic routing over futures kernels. Two APIs are clumsier than one. wet the patch itself, suggest replacing the home grown hash with http://developer.gnome.org/glib/2.30/glib-Caches.html. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
