From: "Huang, Kai" <kai.huang@intel.com>
To: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"nik.borisov@suse.com" <nik.borisov@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "Raj, Ashok" <ashok.raj@intel.com>,
"Hansen, Dave" <dave.hansen@intel.com>,
"david@redhat.com" <david@redhat.com>,
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"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
"kirill.shutemov@linux.intel.com"
<kirill.shutemov@linux.intel.com>, "Christopherson,,
Sean" <seanjc@google.com>, "mingo@redhat.com" <mingo@redhat.com>,
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"Brown, Len" <len.brown@intel.com>,
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<sathyanarayanan.kuppuswamy@linux.intel.com>,
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"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH v13 00/22] TDX host kernel support
Date: Thu, 28 Sep 2023 10:19:17 +0000 [thread overview]
Message-ID: <6d71cb084b03f2bc3fc195fa76eb60c2d2bfc917.camel@intel.com> (raw)
In-Reply-To: <01c42d09-c24c-2611-ff2e-e1079b6df157@suse.com>
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@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?
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!
prev parent reply other threads:[~2023-09-28 10:19 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-25 12:14 Kai Huang
2023-08-25 12:14 ` [PATCH v13 01/22] x86/virt/tdx: Detect TDX during kernel boot Kai Huang
2023-09-08 15:19 ` Dave Hansen
2023-08-25 12:14 ` [PATCH v13 02/22] x86/tdx: Define TDX supported page sizes as macros Kai Huang
2023-08-25 12:14 ` [PATCH v13 03/22] x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC Kai Huang
2023-08-25 12:14 ` [PATCH v13 04/22] x86/cpu: Detect TDX partial write machine check erratum Kai Huang
2023-09-08 15:22 ` Dave Hansen
2023-09-11 12:39 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 05/22] x86/virt/tdx: Handle SEAMCALL no entropy error in common code Kai Huang
2023-09-08 16:21 ` Dave Hansen
2023-09-11 11:41 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 06/22] x86/virt/tdx: Add SEAMCALL error printing for module initialization Kai Huang
2023-09-07 12:45 ` Nikolay Borisov
2023-09-08 10:33 ` Huang, Kai
2023-09-08 10:38 ` Nikolay Borisov
2023-09-08 11:00 ` Huang, Kai
2023-09-08 16:31 ` Dave Hansen
2023-09-11 12:07 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 07/22] x86/virt/tdx: Add skeleton to enable TDX on demand Kai Huang
2023-09-07 14:19 ` Nikolay Borisov
2023-09-08 10:16 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 08/22] x86/virt/tdx: Get information about TDX module and TDX-capable memory Kai Huang
2023-08-25 12:14 ` [PATCH v13 09/22] x86/virt/tdx: Use all system memory when initializing TDX module as TDX memory Kai Huang
2023-08-25 12:14 ` [PATCH v13 10/22] x86/virt/tdx: Add placeholder to construct TDMRs to cover all TDX memory regions Kai Huang
2023-08-25 12:14 ` [PATCH v13 11/22] x86/virt/tdx: Fill out " Kai Huang
2023-08-25 12:14 ` [PATCH v13 12/22] x86/virt/tdx: Allocate and set up PAMTs for TDMRs Kai Huang
2023-08-25 12:14 ` [PATCH v13 13/22] x86/virt/tdx: Designate reserved areas for all TDMRs Kai Huang
2023-08-25 12:14 ` [PATCH v13 14/22] x86/virt/tdx: Configure TDX module with the TDMRs and global KeyID Kai Huang
2023-08-25 12:14 ` [PATCH v13 15/22] x86/virt/tdx: Configure global KeyID on all packages Kai Huang
2023-08-25 12:14 ` [PATCH v13 16/22] x86/virt/tdx: Initialize all TDMRs Kai Huang
2023-08-25 12:14 ` [PATCH v13 17/22] x86/kexec: Flush cache of TDX private memory Kai Huang
2023-09-15 17:43 ` Edgecombe, Rick P
2023-09-15 17:50 ` Dave Hansen
2023-09-18 12:08 ` Huang, Kai
2023-09-18 15:44 ` Dave Hansen
2023-09-18 22:14 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 18/22] x86/virt/tdx: Keep TDMRs when module initialization is successful Kai Huang
2023-09-15 23:10 ` Edgecombe, Rick P
2023-09-15 23:10 ` Edgecombe, Rick P
2023-08-25 12:14 ` [PATCH v13 19/22] x86/virt/tdx: Improve readibility of module initialization error handling Kai Huang
2023-09-15 23:14 ` Edgecombe, Rick P
2023-08-25 12:14 ` [PATCH v13 20/22] x86/kexec(): Reset TDX private memory on platforms with TDX erratum Kai Huang
2023-09-14 21:36 ` Edgecombe, Rick P
2023-09-15 11:42 ` Huang, Kai
2023-09-15 16:42 ` Edgecombe, Rick P
2023-09-18 4:36 ` Huang, Kai
2023-08-25 12:14 ` [PATCH v13 21/22] x86/mce: Improve error log of kernel space TDX #MC due to erratum Kai Huang
2023-08-25 12:14 ` [PATCH v13 22/22] Documentation/x86: Add documentation for TDX host support Kai Huang
2023-09-11 11:32 ` Nikolay Borisov
2023-09-13 11:27 ` Huang, Kai
2023-09-28 7:48 ` [PATCH v13 00/22] TDX host kernel support Nikolay Borisov
2023-09-28 10:19 ` Huang, Kai [this message]
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