http://www.xen.org/download/
Xen 3.3.1 Downloads
Welcome to the Xen 3.3.1
download page!
The Xen 3.3 release
contains architectural improvements and new user-visible features,
compared to 3.2, including:
- Power management (P
& C states) in the hypervisor
- HVM emulation domains
(qemu-on-minios) for better scalability, performance and security
- PVGrub: boot PV kernels
using real GRUB inside the PV domain
- Better PV performance:
domain lock removed from pagetable-update paths
- Shadow3: optimisations
to make this the best shadow pagetable algorithm yet, making HVM
performance better than ever
- Hardware Assisted
Paging enhancements: 2MB page support for better TLB locality
- CPUID feature
levelling: allows safe domain migration across systems with different
CPU models
- PVSCSI drivers for SCSI
access direct into PV guests
- HVM framebuffer
optimisations: scan for framebuffer updates more efficiently
- Device passthrough
enhancements
- Full x86 real-mode
emulation for HVM guests on Intel VT: supports a much wider range of
legacy guest OSes
- New qemu merge with
upstream development
- Many other changes in
both x86 and IA64 ports
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