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Date:   Wed, 30 Sep 2020 11:19:07 -0700
From:   Sean Christopherson <sean.j.christopherson@intel.com>
To:     Ben Gardon <bgardon@google.com>
Cc:     linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        Cannon Matthews <cannonmatthews@google.com>,
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        Wanpeng Li <kernellwp@gmail.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
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Subject: Re: [PATCH 21/22] kvm: mmu: Support MMIO in the TDP MMU
Message-ID: <20200930181907.GK32672@linux.intel.com>
References: <20200925212302.3979661-1-bgardon@google.com>
 <20200925212302.3979661-22-bgardon@google.com>
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On Fri, Sep 25, 2020 at 02:23:01PM -0700, Ben Gardon wrote:
> In order to support MMIO, KVM must be able to walk the TDP paging

Probably worth clarifying that this is for emulated MMIO, as opposed to
mapping MMIO host addresses.

> structures to find mappings for a given GFN. Support this walk for
> the TDP MMU.