linux-kernel - Re: [PATCH v4 2/4] KVM: SVM: Use unsigned integers when dealing with ASIDs

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Date: Thu, 1 Feb 2024 09:02:17 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Ashish Kalra <ashish.kalra@....com>
Subject: Re: [PATCH v4 2/4] KVM: SVM: Use unsigned integers when dealing with ASIDs

On Thu, Feb 01, 2024, Tom Lendacky wrote:
> On 1/31/24 17:56, Sean Christopherson wrote:
> > @@ -2312,7 +2314,7 @@ int sev_cpu_init(struct svm_cpu_data *sd)
> >    */
> >   static void sev_flush_encrypted_page(struct kvm_vcpu *vcpu, void *va)
> >   {
> > -	int asid = to_kvm_svm(vcpu->kvm)->sev_info.asid;
> > +	unsigned int asid = to_kvm_svm(vcpu->kvm)->sev_info.asid;
> 
> Since you're touching this, you could switch this to:
> 
> 	unsigned int asid = sev_get_asid(vcpu->kvm);

Ah, good call, will do when applying.

Thanks!