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isolcpus= takes CPUs off the scheduler. Hardware IRQs still land there.

isolcpus= takes CPUs off the scheduler. Hardware IRQs still land there.

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2 min read
In-Tree vs Out-of-Tree Driver: Where Your Code Should Live

In-Tree vs Out-of-Tree Driver: Where Your Code Should Live

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7 min read
How Linux 7.3 Handles VRAM Starvation Without Slowing Down

How Linux 7.3 Handles VRAM Starvation Without Slowing Down

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3 min read
The Linux DMA API: Coherent and Streaming Mappings Explained

The Linux DMA API: Coherent and Streaming Mappings Explained

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11 min read
Fix: Linux PC Wakes Up Instantly After You Suspend It

Fix: Linux PC Wakes Up Instantly After You Suspend It

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5 min read
SoC Kernel Support: How to Tell If Yours Has Already Lapsed

SoC Kernel Support: How to Tell If Yours Has Already Lapsed

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17 min read
RVBBIT: What I Learned Building a Linux Kernel Rootkit PoC — and Why I Ended Up Studying Detection

RVBBIT: What I Learned Building a Linux Kernel Rootkit PoC — and Why I Ended Up Studying Detection

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9 min read
WHAT IS LINUX ?

WHAT IS LINUX ?

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3 min read
Linux Kernel CVEs: What to Patch by Device (2 – 8 Aug 2026)

Linux Kernel CVEs: What to Patch by Device (2 – 8 Aug 2026)

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7 min read
Building My Own 64-Bit Operating System Kernel from Scratch

Building My Own 64-Bit Operating System Kernel from Scratch

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1 min read
Kernel & Embedded News: AI-Written Patch Rules; AMD Ryzen X100

Kernel & Embedded News: AI-Written Patch Rules; AMD Ryzen X100

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10 min read
The cachestat() Syscall: Reading Linux Page-Cache Stats from User Space

The cachestat() Syscall: Reading Linux Page-Cache Stats from User Space

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7 min read
Kernel & Embedded News: Linux 7.2 Nears Release; Swap I/O Rework

Kernel & Embedded News: Linux 7.2 Nears Release; Swap I/O Rework

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6 min read
Writing a Minimal sched_ext Scheduler

Writing a Minimal sched_ext Scheduler

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8 min read
dm-verity: How a Read-Only Rootfs Stays Verified

dm-verity: How a Read-Only Rootfs Stays Verified

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9 min read
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