There are many qcow2 and live migration fixes in this release; also
noteworthy is the beginning of NUMA support. The interrupt injection
code has seen some significant rework.
Changes from kvm-85:
- merge qemu.git
- qcow2 corruption fixes
- cpuid initialization fixes
- numa support
- improve rtc time drift compensation
- hardware watchdog
- merge bochs bios
- drop packets if all net links are down (Mark McLoughlin)
- fix device assignment error checking (Michael S. Tsirkin)
- fix -drive boot= parameter help (Pauline Middelink)
- fix tap networking after merge (Mark McLoughlin)
- set default configure option for ia64 (Xiantao Zhang)
- remove unnecesary differences compared to upstream (Anthony Liguori)
- fix build outside source directory (Anthony Liguori)
- ppc build fixes (Hollis Blanchard)
- revert incorrect ia64 icache sync (Hollis Blanchard)
- fix apic id save/load (Glauber Costa)
- fixes smp live migration
- libkvm cosmetics (Michael S. Tsirkin)
- fix virtio-net save/load (Alex Williamson)
- allow loading additional acpi tables (Gleb Natapov)
- allow loading additional smbios entries (Alex Williamson)
- fix dirty tracking on large memory (Glauber Costa)
- fixes live migration for guests with a lot of memory
- fix device assignment irq error handling (Alex Williamson)
- make kvm headers C++ friendly (Nathan Binkert)
- remove global page optimization (Marcelo Tosatti)
- fixes FreeBSD on shadow paging
- move lcall, ljmp, jcc, pio decoding to decode stage (Gleb Natapov)
- only skip instruction on task switch when approprite (Gleb Natapov)
- kvmclock cosmetics
- fix memory region overlap check (Jan Kiszka)
- ia64: don't hold slots lock in guest mode (Jes Sorensen)
- check cr3 validity on guest restore (Marcelo Tosatti)
- ia64: flush all tlbs on mapping change (Xiantao Zhang)
- ia64 cosmetics (Jes Sorensen)
- interrupt disable fixes for ia64 (Jes Sorensen)
- unregister cpu frequency notifiers on module unload (Jan Kiszka)
- fix mmu auditing code (Jan Kiszka)
- move irq injection logic to common code (Gleb Natapov)
- contains several irq fixes
- cleanup ept memory type support (Sheng Yang)
- enable snoop control for device assignment (Sheng Yang)
- disable vmx on system shutdown (Sheng Yang)
- fix nx feature reporting
- fix efer reads on hosts without efer
- fix apic debugging (Glauber Costa)
- fix cross vendor migration (Andre Przywara)
- drop request_nmi from kvm_stat (Jan Kiszka)
- fix MTRR, PAT, MCE, MCA feature reporting
- add cr8_legacy, abm, misaligned_sse, sse4, 3dnow prefetch feature
reporting
- add movbe and popcnt feature reporting
- use smp_send_reschedule() to kick guests out of guest mode
(Marcelo Tosatti)
- device assignment locking fixes (Marcelo Tosatti)
- remove port 80 passthrough on svm
- fixes hangs on some hp laptops
- deal with interrupt shadow state on emulated instructions (Glauber Costa)
- properly lock kvm_mmu_change_mmu_pages (Marcelo Tosatti)
- properly lock memory slot deletion (Marcelo Tosatti)
- expand on make menuconfig help (Robert P. J. Day)
- fix s390 memory slot locking vs vcpu run (Carsten Otte)
- use hrtimer for wakeup on s390 (Christian Borntraeger)
- s390 unlink vcpu on destroy (Christian Borntraeger)
- sanity check s390 intercept (Carsten Otte)
- s390 verify guest has some memory assigned (Carsten Otte)
- do not reexecute software interrupt instructions on intel (Gleb Natapov)
- disable cr8 intercepts if tpr patching is active (Gleb Natapov)
Notes:
If you use the modules bundled with kvm-86, you can use any version
of Linux from 2.6.16 upwards. You may also use kvm-86 userspace with
the kvm modules provided by Linux 2.6.25 or above. Some features may
only be available in newer releases.
http://www.linux-kvm.org
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