Re: [edk2-devel] [PATCH v2] UefiCpuPkg/MmSaveStateLib: Remove checking Smm Rev ID in AMD MmSaveStateLib

2023-10-31 Thread Attar, AbdulLateef (Abdul Lateef) via groups.io
[Public] +Laszlo, +Gerd, +Paolo PR: https://github.com/tianocore/edk2/pull/4982 -Original Message- From: Lin, Jacque Sent: Tuesday, October 31, 2023 11:07 AM To: devel@edk2.groups.io Cc: Lin, Jacque ; Attar, AbdulLateef (Abdul Lateef) ; Chang, Abner Subject: [PATCH v2]

Re: [edk2-devel] [PATCH v2] UefiCpuPkg/MmSaveStateLib: Remove checking Smm Rev ID in AMD MmSaveStateLib

2023-10-31 Thread Paolo Bonzini
On Tue, Oct 31, 2023 at 10:16 AM Attar, AbdulLateef (Abdul Lateef) wrote: > > [Public] > > +Laszlo, +Gerd, +Paolo > PR: https://github.com/tianocore/edk2/pull/4982 I left a comment in the PR. The patch is only correct if this code is only ever used on 64-bit processors. Note that KVM uses the

Re: [edk2-devel] [PATCH v2] UefiCpuPkg/MmSaveStateLib: Remove checking Smm Rev ID in AMD MmSaveStateLib

2023-10-31 Thread Laszlo Ersek
Hi, On 10/31/23 10:15, Attar, AbdulLateef (Abdul Lateef) wrote: > [Public] > > +Laszlo, +Gerd, +Paolo > PR: https://github.com/tianocore/edk2/pull/4982 ... My opinion, stated elsewhere in this thread in detail, is that this patch is wrong, and should not be merged. Laszlo > > -Original

[edk2-devel] [PATCH v2] UefiCpuPkg/MmSaveStateLib: Remove checking Smm Rev ID in AMD MmSaveStateLib

2023-10-30 Thread Jacque Lin via groups.io
Remove checking SMM Rev ID in AMD Save State lib when reading Save State Register EFI_MM_SAVE_STATE_REGISTER_IO. For AMD, it is not necessary to check SmmRevId when reading Save State Register EFI_MM_SAVE_STATE_REGISTER_IO. Cc: Abdul Lateef Attar Cc: Abner Chang Signed-off-by: Jacque Lin ---