From: "duntan" <dun.tan@intel.com>
To: devel@edk2.groups.io
Subject: [edk2-devel] [Patch V3 0/2] Change the usage of input parameter ProcessorNumber in MpInitLibGetProcessorInfo() of MpInitLibUp
Date: Mon, 8 Jan 2024 13:08:02 +0800 [thread overview]
Message-ID: <20240108050804.1718-1-dun.tan@intel.com> (raw)
Please ignore the V2 PATCH set. No other change except adding BaseMemoryLib headfile and lib instance in .inf to pass build since ZeroMem() is used.
Comparing to the V1 patch set:
In "set EXTENDED_PROCESSOR_INFORMATION to 0", set EXTENDED_PROCESSOR_INFORMATION to 0 in API MpInitLibGetProcessorInfo() of MpInitLibUp. This commit use ZeroMem() to set all fileds in output EFI_PROCESSOR_INFORMATION to 0 before StatusFlag field is reassigned.
In "Check lower 24 bits of ProcessorNumber", use BIT24 instead of CPU_V2_EXTENDED_TOPOLOGY to clearly tell that processor number only occupies the lower 24 bits.
Dun Tan (2):
UefiCpuPkg: set EXTENDED_PROCESSOR_INFORMATION to 0
UefiCpuPkg: Check lower 24 bits of ProcessorNumber
UefiCpuPkg/Include/Library/MpInitLib.h | 2 ++
UefiCpuPkg/Library/MpInitLib/MpLib.c | 2 ++
UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c | 20 ++++++++++++--------
UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.inf | 1 +
4 files changed, 17 insertions(+), 8 deletions(-)
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next reply other threads:[~2024-01-08 5:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-08 5:08 duntan [this message]
2024-01-08 5:08 ` [edk2-devel] [Patch V3 1/2] UefiCpuPkg: set EXTENDED_PROCESSOR_INFORMATION to 0 duntan
2024-01-09 9:00 ` Ni, Ray
2024-01-08 5:08 ` [edk2-devel] [Patch V3 2/2] UefiCpuPkg: Check lower 24 bits of ProcessorNumber duntan
2024-01-09 9:00 ` Ni, Ray
2024-01-08 12:22 ` [edk2-devel] [Patch V3 0/2] Change the usage of input parameter ProcessorNumber in MpInitLibGetProcessorInfo() of MpInitLibUp Laszlo Ersek
2024-01-09 16:34 ` Laszlo Ersek
2024-01-10 0:52 ` duntan
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