> -----Original Message-----
> From: Vitaly Kuznetsov <[email protected]>
> Sent: Thursday, June 28, 2018 8:05 AM
> To: Wanpeng Li <[email protected]>
> Cc: Radim Krcmar <[email protected]>; kvm <[email protected]>;
> Paolo Bonzini <[email protected]>; Roman Kagan
> <[email protected]>; KY Srinivasan <[email protected]>; Haiyang
> Zhang <[email protected]>; Stephen Hemminger
> <[email protected]>; Michael Kelley (EOSG)
> <[email protected]>; Mohammed Gamal
> <[email protected]>; Cathy Avery <[email protected]>; LKML <linux-
> [email protected]>
> Subject: Re: [PATCH 3/3] KVM: x86: hyperv: implement PV IPI send
> hypercalls
>
> Wanpeng Li <[email protected]> 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.
Agreed.
K. Y
>
> --
> Vitaly
