From: "Gerd Hoffmann" <kraxel@redhat.com>
To: "Ni, Ray" <ray.ni@intel.com>
Cc: "Attar, AbdulLateef (Abdul Lateef)" <AbdulLateef.Attar@amd.com>,
"devel@edk2.groups.io" <devel@edk2.groups.io>,
"Grimes, Paul" <Paul.Grimes@amd.com>,
"Kirkendall, Garrett" <Garrett.Kirkendall@amd.com>,
"Chang, Abner" <Abner.Chang@amd.com>,
"Dong, Eric" <eric.dong@intel.com>,
"Kumar, Rahul R" <rahul.r.kumar@intel.com>,
Ard Biesheuvel <ardb+tianocore@kernel.org>,
"Yao, Jiewen" <jiewen.yao@intel.com>,
"Justen, Jordan L" <jordan.l.justen@intel.com>
Subject: Re: [edk2-devel] [PATCH v8 9/9] OvmfPkg: Uses SmmSmramSaveStateLib library
Date: Tue, 18 Apr 2023 08:42:53 +0200 [thread overview]
Message-ID: <ofhavgnjj6six46r3oru3zdbuskewhvne2yztuc7qhv2qlyff2@rnwatr7yjvnk> (raw)
In-Reply-To: <MN6PR11MB82449A9BFAE0201AD56B4B6E8C9D9@MN6PR11MB8244.namprd11.prod.outlook.com>
On Tue, Apr 18, 2023 at 05:38:09AM +0000, Ni, Ray wrote:
> Abdul,
> What prevents you implementing the OVMF version MmSaveStateLib?
Moving the code to a OVMF-specific MmSaveStateLib should work in
any case.
> Or I assume OVMF is emulating AMD CPU, why AMD version MmSaveStateLib cannot support OVMF?
I'd expect that to work. kvm might not fully emulate every detail of
amd cpu smm mode, but it uses the amd smram register layout, which is
exactly what MmSaveStateLib implements ...
take care,
Gerd
next prev parent reply other threads:[~2023-04-18 6:43 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-10 11:09 [PATCH v8 0/9] Adds AmdSmmCpuFeaturesLib and SmmSmramSaveStateLib Abdul Lateef Attar
2023-04-10 11:09 ` [PATCH v8 1/9] MdePkg: Adds AMD SMRAM save state map Abdul Lateef Attar
2023-04-11 7:38 ` [edk2-devel] " Ni, Ray
2023-04-11 18:49 ` Michael D Kinney
2023-04-12 6:44 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-10 11:09 ` [PATCH v8 2/9] UefiCpuPkg: Adds SmmSmramSaveStateLib library class Abdul Lateef Attar
2023-04-11 7:50 ` [edk2-devel] " Ni, Ray
2023-04-17 8:46 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-10 11:09 ` [PATCH v8 3/9] UefiCpuPkg: Implements " Abdul Lateef Attar
2023-04-11 8:30 ` [edk2-devel] " Ni, Ray
2023-04-10 11:09 ` [PATCH v8 4/9] UefiCpuPkg/SmmCpuFeaturesLib: Restructure arch-dependent code Abdul Lateef Attar
2023-04-10 11:09 ` [PATCH v8 5/9] UefiCpuPkg: Initial implementation of AMD's SmmCpuFeaturesLib Abdul Lateef Attar
2023-04-11 8:32 ` [edk2-devel] " Ni, Ray
2023-04-10 11:09 ` [PATCH v8 6/9] UefiCpuPkg: Implements SmmCpuFeaturesLib for AMD Family Abdul Lateef Attar
2023-04-11 8:35 ` [edk2-devel] " Ni, Ray
2023-04-10 11:09 ` [PATCH v8 7/9] UefiCpuPkg: Implements SmmSmramSaveStateLib for Intel Abdul Lateef Attar
2023-04-11 8:54 ` [edk2-devel] " Ni, Ray
2023-04-10 11:09 ` [PATCH v8 8/9] UefiCpuPkg: Uses SmmSmramSaveStateLib library Abdul Lateef Attar
2023-04-10 11:48 ` [edk2-devel] " Chang, Abner
2023-04-11 9:00 ` Ni, Ray
2023-04-10 11:09 ` [PATCH v8 9/9] OvmfPkg: " Abdul Lateef Attar
2023-04-11 9:42 ` Gerd Hoffmann
2023-04-11 10:09 ` [edk2-devel] " Ni, Ray
2023-04-11 10:48 ` Gerd Hoffmann
2023-04-11 11:17 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-11 12:49 ` Ni, Ray
2023-04-18 5:22 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-18 5:38 ` Ni, Ray
2023-04-18 6:42 ` Gerd Hoffmann [this message]
2023-04-11 11:12 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-10 16:29 ` [PATCH v8 0/9] Adds AmdSmmCpuFeaturesLib and SmmSmramSaveStateLib Michael D Kinney
2023-04-11 1:07 ` Chang, Abner
2023-04-11 4:16 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-11 18:48 ` Michael D Kinney
2023-04-12 2:21 ` Attar, AbdulLateef (Abdul Lateef)
2023-04-11 18:45 ` [edk2-devel] " Michael D Kinney
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