[ANNOUNCE] kvm-kmod-2.6.33-rc6

[ANNOUNCE] kvm-kmod-2.6.33-rc6

[Jan Kiszka]

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The update queue for 2.6.33 is empty, so it's time to role out the first
 kvm-kmod -rc package for this upcoming kernel. Find the list of KVM
enhancements below, but also the two feature reductions of kvm-kmod that
this step required. However, they are not expected to cause any pain for
 the vast majority of users.

The download is available at

https://sourceforge.net/projects/kvm/files/kvm-kmod/2.6.33-rc6/kvm-kmod-2.6.33-rc6.tar.bz2/download

Major KVM changes since kvm-kmod-2.6.32.7:
 - improved kernel context switching speed
 - better interoperation with other users of virtualization extensions
 - improved irq scaling
 - nested SVM improvements
 - improved cpufreq integration
 - spin loop detection on newer hardware
 - adjustable paravirtual clock
 - Xen PV-on-HVM guest support
 - paravitual MMU is no longer advertised
 - further improvements of x86 emulator

kvm-kmod changes:
 - Drop workaround for !CONFIG_PREEMPT_NOTIFIERS for >= 2.6.33
   (due to technical conflict, but upcoming distro kernels are likely
   shipping with CONFIG_KVM=m which enables them)
 - Disable ioeventfd and irqfd for host kernels < 2.6.33
   (no users expected + there is an unfixable race in older kernels)

Jan


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