From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v2] KVM: x86: Avoid guest page table walk when
 gpa_available is set
Date: Thu, 27 Jul 2017 15:49:14 +0200
Message-ID: <86b4e9e3-b594-4470-375e-10a2a3e6a4ea@redhat.com>
References: <1495206749-25393-1-git-send-email-brijesh.singh@amd.com>
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Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
        x86@kernel.org, Thomas.Lendacky@amd.com
To: Brijesh Singh <brijesh.singh@amd.com>, rkrcmar@redhat.com,
        joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org
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On 19/05/2017 17:12, Brijesh Singh wrote:
> -	    vcpu_is_mmio_gpa(vcpu, addr, exception->address, write) &&
>  	    (addr & ~PAGE_MASK) == (exception->address & ~PAGE_MASK)) {
                                    ^^^^^^^^^^^^^^^^^^

I think this should be vcpu->arch.gpa_val.

Paolo

> -		gpa = exception->address;
> -		goto mmio;
> -	}
> +		gpa = vcpu->arch.gpa_val;
> +		ret = vcpu_is_mmio_gpa(vcpu, addr, gpa, write);
> +	} else {
>