linux-kernel - Re: [PATCH v5 7/7] KVM: SVM: hyper-v: Direct Virtual Flush support

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Message-ID: <dacd2187-2952-afa7-3802-9a7b9b99856d@redhat.com>
Date:   Thu, 10 Jun 2021 17:16:55 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Vineeth Pillai <viremana@...ux.microsoft.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "K. Y. Srinivasan" <kys@...rosoft.com>, x86@...nel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org,
        Lan Tianyu <Tianyu.Lan@...rosoft.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, Wei Liu <wei.liu@...nel.org>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>
Subject: Re: [PATCH v5 7/7] KVM: SVM: hyper-v: Direct Virtual Flush support

On 10/06/21 13:16, Vitaly Kuznetsov wrote:
>> +int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
>> +{
> I would've avoided re-using 'hv_enable_direct_tlbflush()' name which we
> already have in vmx. In fact, in the spirit of this patch, I'd suggest
> we create arch/x86/kvm/vmx/vmx_onhyperv.c and move the existing
> hv_enable_direct_tlbflush() there. We can then re-name it to e.g.
> 
> vmx_enable_hv_direct_tlbflush()
> 
> so the one introduced by this patch will be
> 
> svm_enable_hv_direct_tlbflush()
> 

I did the rename, and agree with creating a similar file that is split 
off vmx.c.

Paolo