linux-kernel - Re: [RFC PATCH v5 029/104] KVM: TDX: allocate/free TDX vcpu structure

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Date:   Tue, 5 Apr 2022 15:04:10 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     isaku.yamahata@...el.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     isaku.yamahata@...il.com, Jim Mattson <jmattson@...gle.com>,
        erdemaktas@...gle.com, Connor Kuehl <ckuehl@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [RFC PATCH v5 029/104] KVM: TDX: allocate/free TDX vcpu structure

On 3/4/22 20:48, isaku.yamahata@...el.com wrote:
> +	/*
> +	 * In TDX case, tsc frequency is per-VM and determined by the parameter
> +	 * tdh_mng_init().  Forcibly set it instead of max_tsc_khz set by
> +	 * kvm_arch_vcpu_create().
> +	 *
> +	 * This function is called after kvm_arch_vcpu_create() calling
> +	 * kvm_set_tsc_khz().
> +	 */
> +	kvm_set_tsc_khz(vcpu, kvm_tdx->tsc_khz);
> +

I think this is not needed anymore, now that there is 
kvm->arch.default_tsc_khz.  If so, exporting the function is not needed 
either.

Paolo