Re: [ANNOUNCE] kvm-49 release

Haydn Solomon
2007-11-02T01:10:31Z

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How can I tell that my cpu has flexpriority?

(Resending this as didn't cc list last time.)

On Nov 1, 2007 7:12 PM, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:

> Today's big change is FlexPriority, which drastically improves Windows
> SMP and/or ACPI performance on newer Intel processors.
>
> Changes from kvm-49:
> - fix smp_call_function_mask() emulation on preemptible kernels
> - move libkvm into own directory (Hollis Blanchard)
> - fix save/restore/migrate for new memory slot management (Uri Lublin)
> - compile fixes (Uri Lublin, me)
> - fix recursive locking on mmap() (Anthony Liguori)
> - remove some cr2 dependencies from x86 emulator
> - further simplify x86 emulator
> - more portability work (Carsten Otte, Hollis Blanchard)
> - Intel FlexPriority support (Sheng Yang)
> - fix dirty page tracking on aliased pages (Uri Lublin)
>
> Notes:
> If you use the modules bundled with kvm-50, you can use any version
> of Linux from 2.6.9 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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