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Re: [Qemu-devel] [PATCH] i386/kvm: add support for Hyper-V TLB flush


From: Vitaly Kuznetsov
Subject: Re: [Qemu-devel] [PATCH] i386/kvm: add support for Hyper-V TLB flush
Date: Fri, 29 Jun 2018 14:23:11 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Vitaly Kuznetsov <address@hidden> writes:

> Add support for Hyper-V TLB flush which recently got added to KVM.
>
> Just like regular Hyper-V we announce HV_EX_PROCESSOR_MASKS_RECOMMENDED
> regardless of how many vCPUs we have. Windows is 'smart' and uses less
> expensive non-EX Hypercall whenever possible (when it wants to flush TLB
> for all vCPUs or the maximum vCPU index in the vCPU set requires flushing
> is less than 64).
>

Ping?

-- 
  Vitaly



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