geerlingguy/linux
Jul 2025 – Aug 2025
2 Months active
Languages Used
C
Technical Skills
Device DriversDriver DevelopmentEmbedded SystemsError HandlingFirmware InteractionKernel Development
Joshua Hay
PROFILE
Joshua Hay
Worked on the geerlingguy/linux repository to deliver core enhancements to network device drivers, focusing on RDMA support, dynamic MMIO region mapping, and a redesigned transmit path. Leveraged C and low-level systems programming to optimize memory management and network performance, introducing features that improved throughput, reduced latency, and maintained compatibility across firmware versions. Addressed reliability by fixing silent drops and DMA mapping issues in the transmit path, and resolved a critical use-after-free vulnerability in RDMA auxiliary device deinitialization. The work emphasized robust error handling, kernel development, and careful resource management, resulting in more stable deployments and improved device driver reliability.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
13Total
Bugs
2
Commits
13
Features
3
Lines of code
2,118
Activity Months2
Your Network
3310 peopleSame Organization
@intel.com2109
Shared Repositories
1201
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Aaron MaMember
Ian AbbottMember
Work History
August 2025
1 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on business value and technical achievements for geerlingguy/linux, highlighting a critical RDMA UAF fix in auxiliary device deinitialization that prevents crashes during module removal and improves stability for deployments involving dynamic device management.
1 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on business value and technical achievements for geerlingguy/linux, highlighting a critical RDMA UAF fix in auxiliary device deinitialization that prevents crashes during module removal and improves stability for deployments involving dynamic device management.
August 2025
July 2025
12 Commits • 3 Features
Jul 1, 2025July 2025 focused on delivering core driver enhancements for the geerlingguy/linux repository, including RDMA support in the idpf driver, dynamic LAN MMIO region mapping, and a redesigned TX path. These changes yield higher throughput, lower tail latency, and improved memory/resource utilization across diverse firmware versions, while preserving stability and compatibility.
July 2025
12 Commits • 3 Features
Jul 1, 2025July 2025 focused on delivering core driver enhancements for the geerlingguy/linux repository, including RDMA support in the idpf driver, dynamic LAN MMIO region mapping, and a redesigned TX path. These changes yield higher throughput, lower tail latency, and improved memory/resource utilization across diverse firmware versions, while preserving stability and compatibility.
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Quality Metrics
Correctness89.2%
Maintainability83.0%
Architecture88.6%
Performance82.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
Bug FixingDevice DriversDriver DevelopmentEmbedded SystemsError HandlingFirmware InteractionKernel DevelopmentLow-Level ProgrammingLow-Level Systems ProgrammingMMIOMemory ManagementNetwork Device DriversNetwork Performance OptimizationNetwork ProgrammingNetworking
Repositories Contributed To
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