1. Linux on Xen: Status Update
David Vrabel
18 August 2014

2. Headlines
I 5 releases: 3.12 to 3.16.
I Additional maintainers: David Vrabel and Boris Ostrovsky.
I Itanium support removed (3.14)
18 August 2014 Linux on Xen: Status Update 2 / 6

3. New Features
I blkback can use physical devices on ARM (3.13)
I Experimental PVH support (3.14)
I FIFO-based Event Channels (3.14)
I Drivers enabled on ARM: Framebuer and balloon (3.14)
I Support for PCI devices with high MMIO regions (3.16)
18 August 2014 Linux on Xen: Status Update 3 / 6

4. Performance Improvements
I PV ticketlocks (3.12)
I blkfront non-persistent data path (3.13)
I From-guest (Tx) grant mapping in netback (3.15)
I Multiqueue netback and netfront (3.16)
18 August 2014 Linux on Xen: Status Update 4 / 6

5. Pipeline
I VNUMA.
I PV SCSI backend and frontend.
I perf tool support.
18 August 2014 Linux on Xen: Status Update 5 / 6

6. Further Work
I Improve testing (particularly live migration).
I Productize PVH.
I m2p override replacement.
I PAT for uncached and write-combining mappings.
I Common Xenbus state machine.
18 August 2014 Linux on Xen: Status Update 6 / 6