, 2015 9:25 PM
To: Yao, Jiewen; Paolo Bonzini; Fan, Jeff; edk2-de...@ml01.01.org
Cc: Chen Fan; Justen, Jordan L
Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: optionally save MTRR
settings to AcpiNVS memory block
On 07/28/15 23:41, Yao, Jiewen wrote:
> HI Laszlo
> I like the diagram in
om: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Laszlo
> Ersek
> Sent: Wednesday, July 29, 2015 3:31 AM
> To: Paolo Bonzini; Fan, Jeff; edk2-de...@ml01.01.org
> Cc: Chen Fan; Justen, Jordan L
> Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: opt
-Original Message-
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of
> Paolo Bonzini
> Sent: Tuesday, July 28, 2015 3:34 PM
> To: Fan, Jeff; Laszlo Ersek; edk2-de...@ml01.01.org
> Cc: Chen Fan; Justen, Jordan L
> Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg
sday, July 29, 2015 3:31 AM
To: Paolo Bonzini; Fan, Jeff; edk2-de...@ml01.01.org
Cc: Chen Fan; Justen, Jordan L
Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: optionally save MTRR
settings to AcpiNVS memory block
On 07/28/15 08:51, Paolo Bonzini wrote:
>
>
> On 28/07/2015 08:
nz...@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Tuesday, July 28, 2015 3:34 PM
> To: Fan, Jeff; Laszlo Ersek; edk2-de...@ml01.01.org
> Cc: Chen Fan; Justen, Jordan L
> Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: optionally save MTRR
> settings to AcpiNVS memory
On 07/28/15 09:33, Paolo Bonzini wrote:
>
>
> On 28/07/2015 09:09, Fan, Jeff wrote:
>> I did not receive the patch 42. I have only gotten 38,39,40,41.
>>
>> OK, If this mtrr setting stored in ACPI NVS is for CpuS3DataDxe to
>> store into SMRAM, that's fine.
>>
>> Then, another question, what's re
com] On Behalf Of Paolo
> Bonzini
> Sent: Tuesday, July 28, 2015 2:52 PM
> To: Fan, Jeff; Laszlo Ersek; edk2-de...@ml01.01.org
> Cc: Chen Fan; Justen, Jordan L
> Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: optionally save MTRR
> settings to AcpiNVS mem
On 07/28/15 08:51, Paolo Bonzini wrote:
>
>
> On 28/07/2015 08:05, Fan, Jeff wrote:
>> Ersek,
>>
>> I have one comment for PCD PcdCpuSyncMtrrToAcpiNvs.
>>
>> I knew OvmfPkg implemented LockBox based on ACPI NVS. Saving MTRR setting in
>> AcpiNVS is OK for OvmfPkg.
>
> If I understand correctly
On 07/28/15 08:05, Fan, Jeff wrote:
> Ersek,
>
> I have one comment for PCD PcdCpuSyncMtrrToAcpiNvs.
>
> I knew OvmfPkg implemented LockBox based on ACPI NVS.
That is true for OVMF at the moment, but this series is exactly the one
changing it. Going forward, if you build OVMF with -D SMM_REQUIRE
2015 3:34 PM
To: Fan, Jeff; Laszlo Ersek; edk2-de...@ml01.01.org
Cc: Chen Fan; Justen, Jordan L
Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe: optionally save MTRR
settings to AcpiNVS memory block
On 28/07/2015 09:09, Fan, Jeff wrote:
> I did not receive the patch 42. I have only gotte
on/off it?
Jeff
-Original Message-
From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo Bonzini
Sent: Tuesday, July 28, 2015 2:52 PM
To: Fan, Jeff; Laszlo Ersek; edk2-de...@ml01.01.org
Cc: Chen Fan; Justen, Jordan L
Subject: Re: [edk2] [PATCH 38/58] UefiCpuPkg: CpuDxe:
Ersek,
I have one comment for PCD PcdCpuSyncMtrrToAcpiNvs.
I knew OvmfPkg implemented LockBox based on ACPI NVS. Saving MTRR setting in
AcpiNVS is OK for OvmfPkg.
But other platform may want to use more safe solution to save MTRR based on in
SMM.
I think that, for long term, saving MTRR setti
The
Quark_EDKII_v1.1.0/IA32FamilyCpuBasePkg/CpuArchDxe
driver provides the following capability in its implementation of
EFI_CPU_ARCH_PROTOCOL: whenever the SetMemoryAttributes() member is used
(directly, or indirectly via gDS->SetMemorySpaceAttributes()) to change
MTRR settings, the complete s
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