linux-kernel - Re: [RFC PATCH 13/13] KVM: x86: remove struct kvm_arch.tdp_max_page

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Message-ID: <20220811225642.GA826621@ls.amr.corp.intel.com>
Date:   Thu, 11 Aug 2022 15:56:42 -0700
From:   Isaku Yamahata <isaku.yamahata@...il.com>
To:     Xiaoyao Li <xiaoyao.li@...el.com>
Cc:     isaku.yamahata@...el.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, isaku.yamahata@...il.com,
        Paolo Bonzini <pbonzini@...hat.com>, erdemaktas@...gle.com,
        Sean Christopherson <seanjc@...gle.com>,
        Sagi Shahar <sagis@...gle.com>
Subject: Re: [RFC PATCH 13/13] KVM: x86: remove struct
 kvm_arch.tdp_max_page_level

On Mon, Aug 08, 2022 at 01:40:53PM +0800,
Xiaoyao Li <xiaoyao.li@...el.com> wrote:

> On 8/8/2022 6:18 AM, isaku.yamahata@...el.com wrote:
> > From: Xiaoyao Li <xiaoyao.li@...el.com>
> > 
> > Now that everything is there to support large page for TD guest.  Remove
> > tdp_max_page_level from struct kvm_arch that limits the page size.
> 
> Isaku, we cannot do this to remove tdp_max_page_level. Instead, we need
> assign it as PG_LEVEL_2M, because TDX currently only supports AUG'ing a
> 4K/2M page, 1G is not supported yet.

I went too further. I'll fix it, thanks.
-- 
Isaku Yamahata <isaku.yamahata@...il.com>