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From: "Laszlo Ersek" <lersek@redhat.com>
To: Brijesh Singh <brijesh.singh@amd.com>,
	Tom Lendacky <thomas.lendacky@amd.com>
Cc: devel@edk2.groups.io, James Bottomley <jejb@linux.ibm.com>,
	Min Xu <min.m.xu@intel.com>, Jiewen Yao <jiewen.yao@intel.com>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Erdem Aktas <erdemaktas@google.com>
Subject: Re: [edk2-devel] [PATCH RFC v2 09/28] OvmfPkg/VmgExitLib: Allow PMBASE register access in Dxe phase
Date: Fri, 7 May 2021 17:47:44 +0200	[thread overview]
Message-ID: <877f547e-bdaf-1f22-ae80-0285c4b155e6@redhat.com> (raw)
In-Reply-To: <e9a4e64b-a7a4-cfc9-99b5-0a712df62f75@amd.com>

On 05/07/21 17:19, Brijesh Singh wrote:
> 
> On 5/7/21 10:10 AM, Laszlo Ersek wrote:
>>
>>> Sounds good. What's your thought if I take out patch 1 - 9 from this RFC
>>> series and submit them as non-RFC for the further review and acceptance
>>> ? The patch# 1-9 are basically prepatch before we get into SNP specific
>>> bits.
>> More precisely, that means patches 1-8 (because patch#9 should be
>> replaced by the module-scope override, and also moved to just before
>> what is currently patch#21).
>>
>> Other than that, I agree, this is a good idea. I've anyway thought that
>> the MdePkg stuff (5 patches) could be / should be merged up-front in
>> separation, and then the subsequent 3 patches for OvmfPkg are basically
>> refactoring. We can record the resultant commit range (8 commits) in
>> TianoCore#3275, and keep the BZ open for the rest of the work. So go
>> ahead please.
> 
> Yes, I will keep patch#9 in SNP series.
> 
> FYI, I will add couple of more patches in MdePkg to define the macros
> for AP creation and RMPAJUST instruction. Now that GHCB spec is final,
> we are working to get the AP creation implemented for the next version.

If the spec is final, then extending the MdePkg patches makes sense, yes.

Thanks
Laszlo


  reply	other threads:[~2021-05-07 15:47 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-30 11:51 [PATCH RFC v2 00/28] Add AMD Secure Nested Paging (SEV-SNP) support Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 01/28] MdePkg: Expand the SEV MSR to include the SNP definition Brijesh Singh
2021-05-03  8:39   ` [edk2-devel] " Laszlo Ersek
2021-05-03 11:42     ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 02/28] MdePkg: Define the GHCB Hypervisor features Brijesh Singh
2021-05-03 10:10   ` [edk2-devel] " Laszlo Ersek
2021-05-03 12:20     ` Brijesh Singh
2021-05-03 13:40       ` Laszlo Ersek
2021-04-30 11:51 ` [PATCH RFC v2 03/28] MdePkg: Define the GHCB GPA structure Brijesh Singh
2021-05-03 10:24   ` [edk2-devel] " Laszlo Ersek
2021-05-03 12:19     ` Laszlo Ersek
2021-05-03 12:55       ` Brijesh Singh
2021-05-03 13:50         ` Laszlo Ersek
2021-05-03 13:55           ` Laszlo Ersek
2021-04-30 11:51 ` [PATCH RFC v2 04/28] MdePkg: Define the Page State Change VMGEXIT structures Brijesh Singh
2021-05-04 12:33   ` [edk2-devel] " Laszlo Ersek
2021-05-04 13:59     ` Laszlo Ersek
2021-05-04 14:48       ` Lendacky, Thomas
2021-05-04 18:07         ` Laszlo Ersek
2021-05-04 18:53     ` Brijesh Singh
2021-05-05 18:24       ` Laszlo Ersek
2021-05-05 19:27         ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 05/28] MdePkg: Add AsmPvalidate() support Brijesh Singh
2021-05-04 13:58   ` [edk2-devel] " Laszlo Ersek
2021-05-04 14:09     ` Laszlo Ersek
2021-05-04 19:07     ` Brijesh Singh
2021-05-05 18:56       ` Laszlo Ersek
     [not found]     ` <167BF2A01FA60569.6407@groups.io>
2021-05-04 19:55       ` Brijesh Singh
2021-05-05 19:10         ` Laszlo Ersek
     [not found]       ` <167BF53DA09B327E.22277@groups.io>
2021-05-04 20:28         ` Brijesh Singh
2021-05-04 23:03           ` Brijesh Singh
2021-05-05 19:19             ` Laszlo Ersek
2021-05-05 19:17           ` Laszlo Ersek
2021-04-30 11:51 ` [PATCH RFC v2 06/28] OvmfPkg/BaseMemEncryptSevLib: Introduce MemEncryptSevClearMmioPageEncMask() Brijesh Singh
2021-05-06 10:39   ` [edk2-devel] " Laszlo Ersek
2021-05-06 19:18     ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 07/28] OvmfPkg: Use MemEncryptSevClearMmioPageEncMask() to clear EncMask from Mmio Brijesh Singh
2021-05-06 10:50   ` [edk2-devel] " Laszlo Ersek
2021-05-06 19:20     ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 08/28] OvmfPkg/BaseMemEncryptSevLib: Remove CacheFlush parameter Brijesh Singh
2021-05-06 11:08   ` [edk2-devel] " Laszlo Ersek
2021-04-30 11:51 ` [PATCH RFC v2 09/28] OvmfPkg/VmgExitLib: Allow PMBASE register access in Dxe phase Brijesh Singh
2021-05-06 14:08   ` [edk2-devel] " Laszlo Ersek
2021-05-06 14:12     ` Laszlo Ersek
2021-05-07 13:29     ` Brijesh Singh
2021-05-07 15:10       ` Laszlo Ersek
2021-05-07 15:19         ` Brijesh Singh
2021-05-07 15:47           ` Laszlo Ersek [this message]
2021-04-30 11:51 ` [PATCH RFC v2 10/28] OvmfPkg/MemEncryptSevLib: add MemEncryptSevSnpEnabled() Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 11/28] OvmfPkg: Reserve Secrets page in MEMFD Brijesh Singh
2021-05-05  6:42   ` [edk2-devel] " Dov Murik
2021-05-05 13:11     ` Brijesh Singh
2021-05-05 19:33       ` Laszlo Ersek
2021-05-06 10:57         ` Dov Murik
2021-05-06 15:06           ` Laszlo Ersek
2021-05-06 16:12           ` James Bottomley
2021-05-06 16:02         ` James Bottomley
2021-04-30 11:51 ` [PATCH RFC v2 12/28] OvmfPkg: Reserve CPUID page for the SEV-SNP guest Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 13/28] OvmfPkg: Validate the data pages used in the Reset vector and SEC phase Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 14/28] UefiCpuPkg: Define the SEV-SNP specific dynamic PCDs Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 15/28] OvmfPkg/MemEncryptSevLib: extend the workarea to include SNP enabled field Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 16/28] OvmfPkg/MemEncryptSevLib: Extend Es Workarea to include hv features Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 17/28] OvmfPkg/ResetVector: Invalidate the GHCB page Brijesh Singh
2021-05-03 13:05   ` Erdem Aktas
2021-05-03 14:28     ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 18/28] OvmfPkg: Add a library to support registering GHCB GPA Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 19/28] OvmfPkg: register GHCB gpa for the SEV-SNP guest Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 20/28] UefiCpuPkg/MpLib: add support to register GHCB GPA when SEV-SNP is enabled Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 21/28] OvmfPkg/MemEncryptSevLib: Add support to validate system RAM Brijesh Singh
2021-05-03 14:04   ` Erdem Aktas
2021-05-03 18:56     ` Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 22/28] OvmfPkg/BaseMemEncryptSevLib: Skip the pre-validated " Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 23/28] OvmfPkg/MemEncryptSevLib: Add support to validate > 4GB memory in PEI phase Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 24/28] OvmfPkg/SecMain: Pre-validate the memory used for decompressing Fv Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 25/28] OvmfPkg/PlatformPei: Validate the system RAM when SNP is active Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 26/28] OvmfPkg/MemEncryptSevLib: Change the page state in the RMP table Brijesh Singh
2021-04-30 11:51 ` [PATCH RFC v2 27/28] OvmfPkg/AmdSev: Expose the SNP reserved pages through configuration table Brijesh Singh
2021-05-05  7:10   ` [edk2-devel] " Dov Murik
2021-05-05 19:37     ` Laszlo Ersek
2021-04-30 11:51 ` [PATCH RFC v2 28/28] MdePkg/GHCB: Increase the GHCB protocol max version Brijesh Singh
2021-04-30 16:49 ` [edk2-devel] [PATCH RFC v2 00/28] Add AMD Secure Nested Paging (SEV-SNP) support Laszlo Ersek

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