acidanthera/audk
Dec 2024 – Jan 2025
2 Months active
Languages Used
C
Technical Skills
Firmware DevelopmentLow-Level ProgrammingSystem ProgrammingUEFILow-level programmingSMM
Khor Swee Aun
PROFILE
Khor Swee Aun
Worked on the acidanthera/audk repository to enhance CPU synchronization handling during System Management Interrupt (SMI) events in UEFI firmware. Developed and integrated the IsCpuSyncAlwaysNeeded interface within SmmCpuPlatformHookLib and SmmCpuPlatformHookLibQemu, enabling conditional CPU synchronization based on system configuration and runtime status. This approach reduced unnecessary synchronization overhead on capable platforms while maintaining default compatibility. Further improvements included implementing the synchronization check in the UefiCpuPkg/PiSmmCpuDxeSmm module, allowing for more granular control during SMI handling. Utilized C for low-level programming, focusing on firmware development, system programming, and SMM to support cross-platform optimization and maintainability.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
2
Lines of code
79
Activity Months2
Your Network
2139 peopleSame Organization
@intel.com2109
Shared Repositories
30
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Ashraf Ali SMember
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Vitaly CheptsovMember
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Goldfish64Member
Hua MaMember
Work History
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025: Focused on strengthening CPU synchronization safety in the UEFI/SMI path for SMM. Delivered a conditional synchronization feature in acidanthera/audk by introducing the IsCpuSyncAlwaysNeeded check to determine unconditional synchronization during an SMI; if true, synchronization proceeds, otherwise it follows system configuration and status. This change is implemented in the UefiCpuPkg/PiSmmCpuDxeSmm module with commit f6afd876631e2f7d1e0eeda70c2bf299c5d83deb.
1 Commits • 1 Features
Jan 1, 2025January 2025: Focused on strengthening CPU synchronization safety in the UEFI/SMI path for SMM. Delivered a conditional synchronization feature in acidanthera/audk by introducing the IsCpuSyncAlwaysNeeded check to determine unconditional synchronization during an SMI; if true, synchronization proceeds, otherwise it follows system configuration and status. This change is implemented in the UefiCpuPkg/PiSmmCpuDxeSmm module with commit f6afd876631e2f7d1e0eeda70c2bf299c5d83deb.
January 2025
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for acidanthera/audk. Delivered a focused feature to control CPU synchronization during System Management Interrupt (SMI) events by introducing a new interface IsCpuSyncAlwaysNeeded within SmmCpuPlatformHookLib and SmmCpuPlatformHookLibQemu. The default is FALSE in both implementations, enabling conditional synchronization based on system status or configuration, thereby improving performance and compatibility across platforms and virtualization environments while preserving existing behavior when not configured. Impact highlights include reduced synchronization overhead on capable platforms and a clearer policy for SMI handling, paving the way for platform-specific optimizations and easier testing across native and QEMU-based environments.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for acidanthera/audk. Delivered a focused feature to control CPU synchronization during System Management Interrupt (SMI) events by introducing a new interface IsCpuSyncAlwaysNeeded within SmmCpuPlatformHookLib and SmmCpuPlatformHookLibQemu. The default is FALSE in both implementations, enabling conditional synchronization based on system status or configuration, thereby improving performance and compatibility across platforms and virtualization environments while preserving existing behavior when not configured. Impact highlights include reduced synchronization overhead on capable platforms and a clearer policy for SMI handling, paving the way for platform-specific optimizations and easier testing across native and QEMU-based environments.
Activity
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Quality Metrics
Correctness86.6%
Maintainability93.4%
Architecture86.6%
Performance73.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
Firmware DevelopmentLow-Level ProgrammingLow-level programmingSMMSystem ProgrammingUEFI
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