[edk2-devel] [PATCH v2 1/1] UefiCpuPkg/CpuCommonFeaturesLib: Update processor location info
Laszlo Ersek
lersek at redhat.com
Tue Jun 1 08:03:20 UTC 2021
On 06/01/21 09:24, Daoxiang wrote:
> From: Daoxiang Li <daoxiang.li at intel.com>
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3424
>
> Processor location information check needs to updated
> When Core 0 is disabled
>
> Signed-off-by: Daoxiang Li <daoxiang.li at intel.com>
> CC: Eric Dong <eric.dong at intel.com>
> CC: Ray Ni <ray.ni at intel.com>
> CC: Laszlo Ersek <lersek at redhat.com>
> CC: Rahul Kumar <rahul1.kumar at intel.com>
> ---
> UefiCpuPkg/Library/CpuCommonFeaturesLib/C1e.c | 4 ++--
> UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c | 4 ++--
> UefiCpuPkg/Library/CpuCommonFeaturesLib/Ppin.c | 6 +++---
> 3 files changed, 7 insertions(+), 7 deletions(-)
I defer this to Eric, Ray, and Rahul.
Thanks
Laszlo
>
> diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/C1e.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/C1e.c
> index e6e5db75917c..c867802f0bb0 100644
> --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/C1e.c
> +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/C1e.c
> @@ -63,9 +63,9 @@ C1eInitialize (
> {
> //
> // The scope of C1EEnable bit in the MSR_NEHALEM_POWER_CTL is Package, only program
> - // MSR_FEATURE_CONFIG for thread 0 core 0 in each package.
> + // MSR_FEATURE_CONFIG once for each package.
> //
> - if ((CpuInfo->ProcessorInfo.Location.Thread != 0) || (CpuInfo->ProcessorInfo.Location.Core != 0)) {
> + if ((CpuInfo->First.Thread == 0) || (CpuInfo->First.Core == 0)) {
> return RETURN_SUCCESS;
> }
>
> diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c
> index bb5d983d1f4b..a3a2861cee5b 100644
> --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c
> +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c
> @@ -152,10 +152,10 @@ McaInitialize (
>
> //
> // The scope of MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS is package for below processor type, only program
> - // MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS for thread 0 core 0 in each package.
> + // MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS once for each package.
> //
> if (IS_NEHALEM_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel)) {
> - if ((CpuInfo->ProcessorInfo.Location.Thread != 0) || (CpuInfo->ProcessorInfo.Location.Core != 0)) {
> + if ((CpuInfo->First.Thread == 0) || (CpuInfo->First.Core == 0)) {
> return RETURN_SUCCESS;
> }
> }
> diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/Ppin.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/Ppin.c
> index 8450c7ea3eaf..3c4c1bc706ba 100644
> --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/Ppin.c
> +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/Ppin.c
> @@ -130,10 +130,10 @@ PpinInitialize (
> // Support function already check the processor which support PPIN feature, so this function not need
> // to check the processor again.
> //
> - // The scope of the MSR_IVY_BRIDGE_PPIN_CTL is package level, only program MSR_IVY_BRIDGE_PPIN_CTL for
> - // thread 0 core 0 in each package.
> + // The scope of the MSR_IVY_BRIDGE_PPIN_CTL is package level, only program MSR_IVY_BRIDGE_PPIN_CTL
> + // once for each package.
> //
> - if ((CpuInfo->ProcessorInfo.Location.Thread != 0) || (CpuInfo->ProcessorInfo.Location.Core != 0)) {
> + if ((CpuInfo->First.Thread == 0) || (CpuInfo->First.Core == 0)) {
> return RETURN_SUCCESS;
> }
>
>
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