Kernel CodeX

Category: IOMMU

  • Understanding Cache Coherency in the Linux Kernel

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    Cache Coherency is a critical concept in modern multi-core processor systems that ensures data consistency across multiple caches in the system. In a multi-core system, each CPU core often has its own private cache, and ensuring that all cores see the same data, even when it is cached locally, is essential for system stability and…

  • Understanding IOMMU in the Linux Kernel

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    The Input/Output Memory Management Unit (IOMMU) is a critical feature in modern computing that allows for efficient and secure handling of I/O operations between hardware devices and memory. In Linux, the IOMMU plays a vital role in virtualization, device assignment, and security, making it a key concept for anyone working with the kernel, hardware, or…

  • Understanding HugePages in the Linux Kernel

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    In modern computing, memory management is a critical aspect of achieving optimal system performance. One important feature of the Linux kernel that significantly enhances memory management in high-performance and memory-intensive applications is HugePages. In this article, we will explore what HugePages are, their benefits, and how they are used in Linux. What Are HugePages? The…