Major changes: PCI hotplug; improved PIT accuracy; paravirt mmu.
Changes from kvm-63:
- kvm clock fixes (Glauber Costa)
- kvm clock enable/disable bit (Glauber Costa)
- in kernel pit model (Sheng Yang)
- improves timing accuracy for certain guests
- fix bad tss handling causing ioperm() to fail on the host
- paravirt mmu support (Marcelo Tosatti, Anthony Liguori, me)
- set accessed bit on non-speculative shadow ptes
- minor performance improvement
- fix init_rmode_tss() locking (Marcelo Tosatti)
- fix dirty bit being lost when write permissions are removed from a
page (Izik Eidus)
- code cleanups
- module option for disabling flexpriority
- fix apic access page memory leak
- hardware task switching support (Izik Eidus)
- for freedos and similar guests
- fix extboot failures under certain conditions (Anthony Liguori)
- export vcpu thread ID via qemu monitor (Glauber Costa)
- can be used to implement vcpu->cpu pinning
- pci hotplug (Marcelo Tosatti)
- can now add and remove nics and drives dynamically
- fix virtio memory region sizing (Marcelo Tosatti)
- fix segfault on disabled virtio nic (Dor Laor)
- fix sci interrupt on pmtimer wraparound (Dor Laor, Yaniv Kamay)
- fix qemu exit on pci hotplug failure (Ryan Harper)
- fix 'make clean' destroying configuration (Ryota OZAKI)
- ppc userspace updates (Jerone Young)
- improve IDE and SCSI DMA speed
Notes:
If you use the modules bundled with kvm-64, you can use any version
of Linux from 2.6.17 upwards.
If you use the modules bundled with Linux 2.6.20, you need to use
kvm-12.
If you use the modules bundled with Linux 2.6.21, you need to use
kvm-17.
Modules from Linux 2.6.22 and up will work with any kvm version from
kvm-22. Some features may only be available in newer releases.
For best performance, use Linux 2.6.23-rc2 or later as the host.
http://kvm.qumranet.com
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