No new architecture support today, but instead there is support for
Intel's Extended Page Tables, which increase virtualization performance
dramatically on Intel's Nehalem processors.
Also fix host oops on AMD running some 16-bit loaders and applications.
Changes from kvm-67:
- Intel EPT support (Sheng Yang)
- Code cleanups (Harvey Harrison)
- Fix task switch busy bit setting (Izik Eidus)
- Reduce guest idle cpu usage on ppc (Hollis Blanchard)
- Support floating point instructions on ppc (Christian Ehrhardt)
- Fix lmsw emulation
- fixes host oops on AMD
- Add PIT mode 4 support (Marcelo Tosatti)
- fixes DragonflyBSD
- Avoid spurious exceptions on state reload (Jan Kiszka)
- Add SVM kvmtrace support (Joerg Roedel)
- Avoid schedule-in-atomic on 2.6.26 hosts (Andrea Arcangeli)
- Handle vma regions with no backing page (Anthony Liguori)
- yet another step on the way to pci device assignment
- move external module compatibility code into .c file
- build: sync non-x86 kvm headers
- avoid using kernel headers; use installed libc headers instead
- don't exit iothread berfore all vcpus are stopped (Dor Laor)
- libkvm uninitialized variable fix (Marcelo Tosatti)
- remove old user/config.mak (Jerone Young)
- fix vcpu startup race (Anthony Liguori)
- dump all libkvm errors to stderr (Jan Kiszka)
- fix cross-compilation (Jerone Young)
- fix kvm_show_code() to work on ROM and real-mode (Jan Kiszka)
- allow qemu -kernel option with extboot (Mark McLoughlin)
Notes:
If you use the modules bundled with kvm-68, 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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