SMP Example using KVM only ?

SMP Example using KVM only ?

[Mian M. Hamayun]

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Hello Everyone,

I am currently using kvm-85 (I know its pretty old ... :)) and it has an 
smptest example in "test/x86/".
This example works for 1 cpu but doesn't work for more than one cpus. 
This issue has already been discussed on KVM Mailing list.
And I 'think' this example has been removed from the later versions of 
KVM/QEMU-KVM code base.

I have also tested the latest qemu-kvm with multiple processors, it 
works, but the code base is quite large.
What I am interested in is only using KVM for my platform, with smp 
support, and without QEMU.

Is there a simple example for testing KVM with SMP support ? or if 
someone could outline the changes required to make the "smptest" example 
work in kvm-85.

Many Thanks,
Mian Hamayun



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Re: SMP Example using KVM only ?

[Avi Kivity]

On 11/23/2011 12:32 PM, Mian M. Hamayun wrote:
> Hello Everyone,
>
> I am currently using kvm-85 (I know its pretty old ... :)) and it has
> an smptest example in "test/x86/".
> This example works for 1 cpu but doesn't work for more than one cpus.
> This issue has already been discussed on KVM Mailing list.
> And I 'think' this example has been removed from the later versions of
> KVM/QEMU-KVM code base.
>
> I have also tested the latest qemu-kvm with multiple processors, it
> works, but the code base is quite large.
> What I am interested in is only using KVM for my platform, with smp
> support, and without QEMU.
>
> Is there a simple example for testing KVM with SMP support ? or if
> someone could outline the changes required to make the "smptest"
> example work in kvm-85.
>

You can take a look at kvm-tool,
git://github.com/penberg/linux-kvm.git.  While it's not exactly trivial,
it's a lot simpler than qemu.

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