Re: [ANNOUNCE] kvm-73 release

[Anthony Liguori <anthony@codemonkey.ws>]

Avi Kivity wrote:
> The big change is of course full swapping support, finally delivering 
> the full range of Linux memory management operations to kvm.  You will 
> need a 2.6.27 host to use this functionality, however.
>
> Other noteworthy changes: speedups of both virtio-net and qcow2 with 
> cache=off.  Two important works-in-progress: device assignment (not 
> usable yet, as dma support is still missing) and the real-mode 
> emulation framework.
>
> Changes from kvm-72:
> - merge qemu-svn
>   - improve qcow2 performance with cache=off
>   - ide fixes

The snapshot you pulled from SVN had a broken monitor.  Usually, the 
symptom is that you have two '(qemu)' prompts.  This probably will break 
management tools (like libvirt) although I haven't confirmed.  It's 
fixed in the very latest SVN.

Regards,

Anthony Liguori

> - ia64 external module (Xiantao Zhang)
> - external module compatibility with 2.6.27 hosts
> - fix sysenter msrs save/restore (Alexander Graf)
> - fix 2.6.26 host support (Nikola Ciprich)
> - fix linux-user build (Philippe Gerum)
> - virtio-net speedup (Mark McLoughlin)
> - fix ./configure with multiple arguments
> - support Windows hibernation on non-FlexPriority hosts
> - fix makefile dependencies (Sheng Yang)
> - fix compiler warnings (Jan Kiszka)
> - work around dhclient checksum offload brokenness (Anthony Liguori)
> - full swapping support (Andrea Arcangeli)
>   - needs 2.6.27 hosts
> - internal irq ack notification api
>   (Marcelo Tosatti, Amit Shah, Ben-Ami Yassour, me)
> - fix pit timer interrupt injection logic (Marcelo Tosatti)
> - paravirt guest: query tsc frequency from host (Glauber Costa)
> - pci device assignment (Amit Shah, Ben-Ami Yassour, Weidong Han)
>   - still lacking dma
> - fix large page crash on z10 mainframes (Christian Borntraeger)
> - stack usage reduction (Dave Hansen, Sheng Yang)
> - code cleanup (Sheng Yang)
> - fix debug register corruption on Intel hosts (Marcelo Tosatti)
> - fix -no-kvm-irqchip
> - fix irq acking on pic reset (Marcelo Tosatti)
> - ignore spurious timer interrupt acks
> - limit device assignment to privileged user (Amit Shah)
> - big real mode emulation framework (Mohammed Gamal)
> - simpify irq injection (Amit Shah)
> - dummy irq ack notifier for ia64 (Xiantao Zhang)
>
>
> Notes:
>     If you use the modules bundled with kvm-73, you can use any version
> of Linux from 2.6.16 upwards.  You may also use kvm-73 userspace with
> the kvm modules provided by Linux 2.6.22 or above.  Some features may
> only be available in newer releases.
>
> http://kvm.qumranet.com
>
>