XPDS14: Linux on Xen: A Status Update - David Vrabel, Citrix

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  • 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: Framebu er 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