Long time since the last release, hence the long changelog. If you have
an AMD Barcelona, you should see a very significant performance boost
from the Nested Page Table feature.
Changes from kvm-60:
- paravirtualized clock (Glauber de Oliveira Costa)
- mmu debug compile fix (Marcelo Tosatti)
- last branch record virtualization on AMD (Joerg Roedel)
- fix Windows x64 installer crash on AMD (Joerg Roedel)
- use new kvm semaphore instead of mmap_sem (Izik Eidus)
- fixes potential deadlock
- fix type in vmx header (Ryan Harper)
- make the supported cpuid ioctl system-wide instead of per-vm
- fix setting cr0 from userspace (Paul Knowles)
- add group decoding support to the x86 emulator
- nested paging support on AMD (Joerg Roedel)
- allow access to EFER on 32-bit hosts (Joerg Roedel)
- allows using the nx bit
- fix copy_from_user_inatomic() call non-preemptible hosts
(Andrea Arcangeli)
- fix smp Linux on AMD (Joerg Roedel)
- make the code more ppc friendly (Hollis Blanchard)
- add virtual processor identifier support (VPID) on Intel
(Sheng Yang)
- don't expose pio page to host userspace on non-x86
- decouple mmio from shadow page tables
- make function pointer tables constant (Jan Engelhardt)
- merge qemu-cvs
- reverse vnc connections
- e1000 nic emulation
- more audio options
- usb serial device emulation
- cdrom/dvd improvements
- timer tick reduction
- e1000 pxe boot rom (Alexey Eremenko)
- fix 'make clean'
- merge bios from boch-cvs
- adds dmi tables
- enables acpi on 32-bit Linux guests
- workaround qemu tcg breakage on non-x86 (Anthony Liguori, Xiantao Zhang)
- adjust external module for removal of fastcall in mainline
(Andrea Arcangeli)
- improve qemu main loop
- fix live migration with tpr optimization
- fix external module miscompile with newer kernels (Andrea Arcangeli)
- fix external module include directory priority problems (Andrea Arcangeli)
- fix 32-bit host userspace on 64-bit host kernels
- fix preempt notifier emulation clash with host hardware debug registers
(Andrea Arcangeli)
- adjust external module for 2.6.25
- fix ioapic live migration not transferring some registers
(Chris Lalancette)
- separate tpr optimization paths for smp and up
- pio emulation on mmio for ia64 (Xiantao Zhang)
- fix qemu timer rearm fallout from last merge (Anders Melchiorsen)
- clean up kvm/qemu interaction (Anthony Liguori)
- improve ppc dcr handling (Jerone Young)
- fix 64-bit guest migration failure due to bad lm_capable_kernel init
(Uri Lublin)
- fix bios parallel build (Carlo Marcelo Arenas Belon)
- update virtio abi (Anthony Liguori)
- support virtio abi versioning (Anthony Liguori)
- add powerpc kvm/qemu support (Jerone Young)
- support ppc 440 "bamboo" board (Jerone Young)
- improve migration error handling (Chris Lalancette)
- enable cache on reset in bios
- fix up testsuite warnings (Bernhard Kaindl)
- fix aio deadlocks with smp guests
Notes:
If you use the modules bundled with kvm-61, 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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