linux-kernel - Re: [PATCH v3 07/34] x86/hyperv: Introduce HV_MAX_SPARSE_VCPU_BANKS/HV_VCPUS_PER_SPARSE

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Date:   Tue, 3 May 2022 11:11:34 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Siddharth Chandrasekaran <sidcha@...zon.de>,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        Wei Liu <wei.liu@...nel.org>
Subject: Re: [PATCH v3 07/34] x86/hyperv: Introduce
 HV_MAX_SPARSE_VCPU_BANKS/HV_VCPUS_PER_SPARSE_BANK constants

On Thu, Apr 14, 2022 at 03:19:46PM +0200, Vitaly Kuznetsov wrote:
> It may not come clear from where the magical '64' value used in
> __cpumask_to_vpset() come from. Moreover, '64' means both the maximum
> sparse bank number as well as the number of vCPUs per bank. Add defines
> to make things clear. These defines are also going to be used by KVM.
> 
> No functional change.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>

Acked-by: Wei Liu <wei.liu@...nel.org>