Re: [ANNOUNCE] kvm-49 release

Sheng Yang
2007-11-02T01:30:36Z

On Friday 02 November 2007 09:10:31 Haydn Solomon wrote:
> How can I tell that my cpu has flexpriority?
>
> (Resending this as didn't cc list last time.)

Try attached "printk" patch.

And generally, E6850, E6750, E6550, Core2 Duo processors
starting from
G0 stepping should support this.

>
> 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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--
Thanks
Yang, Sheng