On Thu, Jun 11, 2015 at 3:10 PM, Ian Campbell <ian.campb...@citrix.com> wrote: > Draft F follows. Also at: > http://xenbits.xen.org/people/ianc/vits/draftF.{pdf,html} > > > ## Per-domain `struct pending_irq` for `vLPI`s > > Internally Xen uses a `struct pending_irq` to track the status of any > pending virtual IRQ, including a virtual LPI. > > Upon domain creation an array of such `struct pending_irq`'s will be > allocated to cover the range `8192..nr_lpis` (for the number of LPIs > which the guest is configured with) and a pointer this array will be > stored in the `struct domain`. The function `irq_to_pending` will be > modified to lookup interupts in the LPI range in this array. >.
nr_lpis can be large if more devices are assigned to domain. As I was suggesting on #xenarm chat, is it ok to use RB-tree instead of array? what should be value for nr_lpis? Regards Vijay _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
