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Message-ID: <01c42d09-c24c-2611-ff2e-e1079b6df157@suse.com>
Date:   Thu, 28 Sep 2023 10:48:27 +0300
From:   Nikolay Borisov <nik.borisov@...e.com>
To:     Kai Huang <kai.huang@...el.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     x86@...nel.org, dave.hansen@...el.com,
        kirill.shutemov@...ux.intel.com, tony.luck@...el.com,
        peterz@...radead.org, tglx@...utronix.de, bp@...en8.de,
        mingo@...hat.com, hpa@...or.com, seanjc@...gle.com,
        pbonzini@...hat.com, david@...hat.com, dan.j.williams@...el.com,
        rafael.j.wysocki@...el.com, ashok.raj@...el.com,
        reinette.chatre@...el.com, len.brown@...el.com, ak@...ux.intel.com,
        isaku.yamahata@...el.com, ying.huang@...el.com, chao.gao@...el.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com, bagasdotme@...il.com,
        sagis@...gle.com, imammedo@...hat.com
Subject: Re: [PATCH v13 00/22] TDX host kernel support



On 25.08.23 г. 15:14 ч., Kai Huang wrote:
> Intel Trusted Domain Extensions (TDX) protects guest VMs from malicious
> host and certain physical attacks.  TDX specs are available in [1].
> 
> This series is the initial support to enable TDX with minimal code to
> allow KVM to create and run TDX guests.  KVM support for TDX is being
> developed separately[2].  A new KVM "guest_memfd()" to support private
> memory is also being developed[3].  KVM will only support the new
> "guest_memfd()" infrastructure for TDX.
> 
> Also, a few first generations of TDX hardware have an erratum[4], and
> require additional handing.
> 
> This series doesn't aim to support all functionalities, and doesn't aim
> to resolve all things perfectly.  All other optimizations will be posted
> as follow-up once this initial TDX support is upstreamed.
> 
> Hi Dave/Kirill/Peter/Tony/David and all,
> 
> Thanks for your review on the previous versions.  Appreciate your review
> on this version and any tag if patches look good to you.  Thanks!
> 
> This version was based on "Unify TDCALL/SEAMCALL and TDVMCALL assembly"
> series, which was based on latest tip/x86/tdx, requested by Peter:
> 
> https://lore.kernel.org/lkml/cover.1692096753.git.kai.huang@intel.com/
> 
> Please also help to review that series.  Thanks!
> 


Are there any major outstanding issues preventing this to be merged? The 
review has been somewhat quiet and most of the outstanding issues seems 
to be nitpicks?

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