linux-kernel - Re: [RFC PATCH v5 00/45] TDX: Dynamic PAMT + S-EPT Hugepage

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Message-ID: <5297da3a-afc4-4af6-a79c-864e84f9dd20@intel.com>
Date: Thu, 29 Jan 2026 09:17:28 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
 Sean Christopherson <seanjc@...gle.com>
Cc: Thomas Gleixner <tglx@...nel.org>, Ingo Molnar <mingo@...hat.com>,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 x86@...nel.org, Kiryl Shutsemau <kas@...nel.org>,
 Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
 linux-coco@...ts.linux.dev, kvm@...r.kernel.org,
 Kai Huang <kai.huang@...el.com>, Rick Edgecombe
 <rick.p.edgecombe@...el.com>, Yan Zhao <yan.y.zhao@...el.com>,
 Vishal Annapurve <vannapurve@...gle.com>,
 Ackerley Tng <ackerleytng@...gle.com>, Sagi Shahar <sagis@...gle.com>,
 Binbin Wu <binbin.wu@...ux.intel.com>, Xiaoyao Li <xiaoyao.li@...el.com>,
 Isaku Yamahata <isaku.yamahata@...el.com>
Subject: Re: [RFC PATCH v5 00/45] TDX: Dynamic PAMT + S-EPT Hugepage

On 1/29/26 09:13, Konrad Rzeszutek Wilk wrote:
> On Wed, Jan 28, 2026 at 05:14:32PM -0800, Sean Christopherson wrote:
>> This is a combined series of Dynamic PAMT (from Rick), and S-EPT hugepage
>> support (from Yan).  Except for some last minute tweaks to the DPAMT array
>> args stuff, a version of this based on a Google-internal kernel has been
>> moderately well tested (thanks Vishal!).  But overall it's still firmly RFC
>> as I have deliberately NOT addressed others feedback from v4 of DPAMT and v3
> What does PAMT stand for? Is there a design document somewhere?

It's all in here (I hope):

https://lore.kernel.org/kvm/20250918232224.2202592-1-rick.p.edgecombe@intel.com/