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From:   "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>
To:     Tianyu Lan <Tianyu.Lan@microsoft.com>
CC:     KY Srinivasan <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "mingo@redhat.com" <mingo@redhat.com>,
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        "pbonzini@redhat.com" <pbonzini@redhat.com>,
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        "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
        vkuznets <vkuznets@redhat.com>,
        Jork Loeser <Jork.Loeser@microsoft.com>
Subject: RE: [PATCH V2 4/13] KVM/MMU: Flush tlb directly in the
 kvm_handle_hva_range()
Thread-Topic: [PATCH V2 4/13] KVM/MMU: Flush tlb directly in the
 kvm_handle_hva_range()
Thread-Index: AQHUTv5LoppePkpNT0ychcducOMOjqT3x7YA
Date:   Wed, 19 Sep 2018 16:08:58 +0000
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References: <20180918031754.113013-1-Tianyu.Lan@microsoft.com>
 <20180918031754.113013-5-Tianyu.Lan@microsoft.com>
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From: Tianyu Lan  Sent: Monday, September 17, 2018 8:19 PM
> +
> +			if (ret && kvm_available_flush_tlb_with_range()) {
> +				kvm_flush_remote_tlbs_with_address(kvm,
> +						gfn_start,
> +						gfn_end - gfn_start);

Does the above need to be gfn_end - gfn_start + 1?

> +				ret =3D 0;
> +			}

Michael