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SubjectRe: [PATCH 3/3] KVM: x86: hyperv: implement PV IPI send hypercalls
Date
Wanpeng Li <kernellwp@gmail.com> writes:

> Hi Paolo and Radim,
>
> I have already completed the patches for linux guest/kvm/qemu w/ vCPUs
> <= 64, however, extra complication as the ex in hyperv should be
> introduced for vCPUs > 64, so do you think vCPU <=64 is enough for
> linux guest or should me introduce two hypercall as what hyperv does
> w/ ex logic?
>

Neither Paolo nor Radim but as we already have
#define KVM_MAX_VCPUS 288
on at least x86, supporting <= 64 vCPUs seems to be too limiting for any
new functionality.

--
Vitaly

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