Re: [PATCH v13 00/22] TDX host kernel support

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On Thu, 2023-09-28 at 10:48 +0300, Nikolay Borisov wrote:
> 
> 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@xxxxxxxxx/
> > 
> > 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?

Hi Nikolay,

I am addressing comments from Rick, e.g., some additional handling to
S3/hibernation is needed.  I'll post the next version soon, which I hope can be
the candidate to be merged.  Thanks!




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