APIC model in kernel
Hi Guys,
My team currently has interests in both the PV work, and the SMP work. It seems in both cases a significant gating factor is the APIC modeling. Avi, Dor, and others have mentioned that this would probably be best served by the KVM kernel code, and I agree that this seems logical. I figured I could take a stab at this task unless anyone objects?
-Greg
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Hi Guys,
My team currently has interests in both the PV work, and the SMP
work.
Quoted 1 line
It seems in both cases a significant gating factor is the APIC
modeling.
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Avi, Dor, and others have mentioned that this would probably be best
served
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by the KVM kernel code, and I agree that this seems logical. I figured
I
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could take a stab at this task unless anyone objects?
It would be wonderful!
Actually Ingo Molnar was sniffing around this area too. Ingo, do you have
any news in that field or you were tied up with the other, many Linux issues that you support?
Actually you can get initial kick start in two places:
1. I had a working in-kernel-apic KVM version. It's quite old release of the KVM, before the SVM support but it was working back then. The reason we didn't merged it was that we managed to run Windows with qemu's apic. You can get the 'apic' branch from the kvm svn.
2. Get an updated version from Xen and make the necessary changes for KVM.
This is what I have done in the above apic implementation. I had to
choose between implementation from scratch, ripping qemu, ripping Xen and I decided to pick Xen.
Please keep us uptodate about the progress, if possible by sending small cumulative patches each time.
Cheers,
Dor.
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-Greg
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