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RE: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush

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  RE: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush Jork Loeser <Jork.Loeser@microsoft.com> - 2017-04-10 19:40 +0200

#1620503 — RE: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush

> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@redhat.com]

> > We may be supporting more than 64 CPUs in this hypercall. I am going
> > to inquire with the Windows folks and get back to you.
> 
> Thanks! It is even specified in the specification:
> "Future versions of the hypervisor may support more than 64 virtual
> processors per partition. In that case, a new field will be added to the flags
> value that allows the caller to define the “processor bank” to which the
> processor mask applies."
> 
> We, however, need to know where to put this in flags.

Would the HvFlushVirtualAddressListEx hypercall do? Is there a doc update/clarification needed?

Regards,
Jork

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