From: "Lendacky, Thomas via groups.io" <thomas.lendacky=amd.com@groups.io>
To: Eric Dong <eric.dong@intel.com>, Ray Ni <ray.ni@intel.com>,
Rahul Kumar <rahul1.kumar@intel.com>
Cc: devel@edk2.groups.io, Ard Biesheuvel <ardb+tianocore@kernel.org>,
Michael Roth <michael.roth@amd.com>,
Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [edk2-devel] [PATCH 0/2] SEV-SNP guest support fixes
Date: Mon, 27 Nov 2023 13:00:22 -0600 [thread overview]
Message-ID: <63405d32-d16f-49ae-96bd-db84cff8ba6b@amd.com> (raw)
In-Reply-To: <7c3e2baa-37c0-da85-bd74-55d08599fdc8@amd.com>
On 11/17/23 15:43, Tom Lendacky wrote:
>
>
> On 11/7/23 03:55, Gerd Hoffmann wrote:
>> On Mon, Nov 06, 2023 at 04:45:29PM -0600, Tom Lendacky wrote:
>>> This patch series provides fixes around AP startup and sorting:
>>>
>>> - The CPUID_EXTENDED_TOPOLOGY CPUID leaf takes a sub-leaf as input. The
>>> current SEV-SNP support is attempting to retrieve the this leaf with
>>> sub-leaf 0, but is calling AsmCpuid(), which does not clear ECX before
>>> invoking the CPUID instruction. Therefore, because of the calling
>>> convention, the leaf value becomes the sub-leaf value and ends up
>>> returning incorrect information. Change the call from AsmCpuid() to
>>> AsmCpuidEx().
>>>
>>> - When sorting the CPUs by APIC ID, the VMSA associated with the vCPU
>>> should follow the APIC ID. Update the sorting code to swap the VMSA
>>> pointer during the sort.
>>
>> Series:
>> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
>>
>
> Eric/Ray/Rahul,
>
> Have you had a chance to review this series? These bug fixes would be good
> to get in for the next/latest release...
Eric/Ray/Rahul,
Any feedback? If not, can you Ack them so they can be merged... they
already missed the edk2-stable202311 tag.
Thanks,
Tom
>
> Thanks,
> Tom
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prev parent reply other threads:[~2023-11-27 19:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-06 22:45 [edk2-devel] [PATCH 0/2] SEV-SNP guest support fixes Lendacky, Thomas via groups.io
2023-11-06 22:45 ` [edk2-devel] [PATCH 1/2] UefiCpuPkg/MpInitLib: Use AsmCpuidEx() for CPUID_EXTENDED_TOPOLOGY leaf Lendacky, Thomas via groups.io
2023-11-28 10:31 ` Ni, Ray
2023-11-06 22:45 ` [edk2-devel] [PATCH 2/2] UefiCpuPkg/MpInitLib: Copy SEV-ES save area pointer during APIC ID sorting Lendacky, Thomas via groups.io
2023-11-28 10:33 ` Ni, Ray
[not found] ` <17952A20A9E21541.12603@groups.io>
2023-11-06 23:15 ` [edk2-devel] [PATCH 1/2] UefiCpuPkg/MpInitLib: Use AsmCpuidEx() for CPUID_EXTENDED_TOPOLOGY leaf Lendacky, Thomas via groups.io
2023-11-07 1:19 ` Michael D Kinney
2023-11-28 14:35 ` Lendacky, Thomas via groups.io
[not found] ` <179BD02AA4207037.22216@groups.io>
2024-01-17 21:26 ` Lendacky, Thomas via groups.io
2024-01-18 23:10 ` Michael D Kinney
2024-01-19 10:00 ` Ni, Ray
2024-01-19 23:16 ` Michael D Kinney
2024-01-19 23:48 ` Ni, Ray
2024-01-20 1:49 ` Michael D Kinney
2024-01-20 6:48 ` Ni, Ray
2024-01-20 16:03 ` Lendacky, Thomas via groups.io
2024-01-21 3:00 ` Ni, Ray
2023-11-07 9:55 ` [edk2-devel] [PATCH 0/2] SEV-SNP guest support fixes Gerd Hoffmann
2023-11-17 21:43 ` Lendacky, Thomas via groups.io
2023-11-27 19:00 ` Lendacky, Thomas via groups.io [this message]
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