Raghu Bharadwaj

Linux kernel, device drivers & embedded Linux trainer. Founder @ TECH VEDA. Author of Mastering Linux Kernel Development (Packt, 2017). Writing about kernel internals, Yocto & edge AI.

Hyderabad, India Joined on Jul 15, 2024 https://www.techveda.live

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techveda

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Raghu Bharadwaj

Aug 2

Your Tests Passed. That Is Not the Same as Correct.

#testing #ai #career #programming

3 min read

Raghu Bharadwaj

Sep 1

Kernel & Embedded News: Linux 7.3-rc1 Out; NVMe 2.4 Goes Post-Quantum

#linux #kernel #embedded #storage

13 min read

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Raghu Bharadwaj

Sep 1

Open-Source Device CVEs: What to Patch by Vertical (August 2026)

#linux #security #embedded #opensource

13 min read

Raghu Bharadwaj

Aug 31

Kernel CVEs Per Release Have Tripled. The Bugs Have Not.

#linux #kernel #security #embedded

9 min read

Raghu Bharadwaj

Aug 30

UBI on Raw NAND: The Layer That Hides Bad Blocks and Wear

#linux #embedded #kernel #filesystem

11 min read

Raghu Bharadwaj

Aug 29

Linux Kernel CVEs: What to Patch by Device (23 – 29 Aug 2026)

#linux #kernel #security #embedded

11 min read

Raghu Bharadwaj

Aug 28

Inherited a Vendor BSP? Measure These Five Things First

#linux #embedded #kernel #yocto

10 min read

Raghu Bharadwaj

Aug 27

The State of Automotive Grade Linux in 2026: Which Release to Build

#linux #automotive #embedded #yocto

11 min read

Raghu Bharadwaj

Aug 26

Why the Inference Process Keeps Growing After It Starts

#linux #embedded #machinelearning #performance

19 min read

Raghu Bharadwaj

Aug 26

systemd vs BusyBox init: Which Init System Fits Your Device?

#linux #embedded #yocto #architecture

14 min read

Raghu Bharadwaj

Aug 25

Linux 7.3: AF_ALG Restricted by Default, YOLOX on Etnaviv

#linux #kernel #embedded #riscv

8 min read

Raghu Bharadwaj

Aug 25

Linux genpd Power Domains: Why a Rail Won’t Power Off?

#linux #kernel #embedded #drivers

13 min read

Raghu Bharadwaj

Aug 24

Kernel Cleanup Helpers: What Your LTS Actually Has

#linux #kernel #embedded #c

10 min read

Raghu Bharadwaj

Aug 23

Buildroot for Embedded Linux — Part 1: Your First Buildroot Root Filesystem

#linux #embedded #buildroot #tutorial

7 min read

Raghu Bharadwaj

Aug 22

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

#linux #kernel #embedded #yocto

7 min read

Raghu Bharadwaj

Aug 22

Linux Kernel CVEs: What to Patch by Device (16 – 22 Aug 2026)

#linux #kernel #security #embedded

12 min read

Raghu Bharadwaj

Aug 21

The Linux DMA API: Coherent and Streaming Mappings Explained

#linux #kernel #embedded #drivers

11 min read

Raghu Bharadwaj

Aug 20

Kernel & Embedded News: 32-bit Arm Deprecations in 7.3; Rsync 3.5

#linux #kernel #embedded #arm

9 min read

Raghu Bharadwaj

Aug 20

Device Tree Ownership Is Moving Up Into Firmware

#linux #embedded #arm #firmware

9 min read

Raghu Bharadwaj

Aug 19

The Mainline NPU Driver on RK3588, and What It Cannot Do Yet

#linux #embedded #kernel #ai

7 min read

Raghu Bharadwaj

Aug 18

Operator Fallback: Why Your Accelerated Model Still Runs on the CPU

#machinelearning #embedded #linux #performance

9 min read

Raghu Bharadwaj

Aug 18

Kernel & Embedded News: Linux 7.3 Merge Window; QEMU 11.1 Released

#news #linux #kernel #embedded

9 min read

Raghu Bharadwaj

Aug 17

Linux 7.2 Is Out: What Embedded Teams Should Test First

#linux #kernel #embedded #iot

7 min read

Raghu Bharadwaj

Aug 17

Writing a Minimal sched_ext Scheduler

#linux #kernel #bpf #embedded

8 min read

Raghu Bharadwaj

Aug 16

The regmap Subsystem: One Register API Across I2C, SPI and MMIO

#linux #kernel #embedded #c

8 min read

Raghu Bharadwaj

Aug 14

How to Write a Kernel Bug Report Maintainers Act On

#linux #kernel #opensource #career

11 min read

Raghu Bharadwaj

Aug 13

Your 32-bit Product Will Fail in 2038. Your Build Will Not Stop It.

#linux #embedded #yocto #rust

11 min read

Raghu Bharadwaj

Aug 13

Embedded Linux Boot Time — Part 2: Measuring the Kernel and User Space

#linux #embedded #kernel #debugging

16 min read

Raghu Bharadwaj

Aug 12

Choosing a Root Filesystem Format for Embedded Linux

#linux #embedded #architecture #yocto

7 min read

Raghu Bharadwaj

Aug 11

Kernel & Embedded News: Linux 7.2 Final RC; FFmpeg 9.0 Released

#news #linux #kernel #embedded

11 min read

Raghu Bharadwaj

Aug 11

Capturing a Kernel Crash Dump with kdump on ARM64

#linux #kernel #embedded #debugging

11 min read

Raghu Bharadwaj

Aug 10

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

#linux #embedded #kernel #iot

17 min read

Raghu Bharadwaj

Aug 10

What fork() Actually Costs, and Why the Process-Builder RFC Does Not Fix It Yet

#linux #kernel #embedded #performance

15 min read

Raghu Bharadwaj

Aug 8

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

#linux #kernel #security #embedded

7 min read

Raghu Bharadwaj

Aug 8

Choosing an A/B Update Layout for Your Product

#embedded #linux #iot #opensource

7 min read

Raghu Bharadwaj

Aug 7

Embedded Linux Boot Time — Part 1: The Phase You Are Not Measuring

#linux #embedded #kernel #opensource

14 min read

Raghu Bharadwaj

Aug 6

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

#linux #kernel #embedded #ai

10 min read

Raghu Bharadwaj

Aug 6

The Mindset Behind Hard Debugging

#debugging #embedded #linux #career

5 min read

Raghu Bharadwaj

Aug 6

The Kernel Maintainer Bottleneck and What It Means for Upstreaming

#linux #kernel #embedded #opensource

7 min read

Raghu Bharadwaj

Aug 5

Yocto vs Buildroot: Choosing a Build System for Your Product

#linux #embedded #yocto #buildroot

7 min read

Raghu Bharadwaj

Aug 5

Speculative Decoding: Faster On-Device LLMs

#machinelearning #llm #edgecomputing #linux

6 min read

Raghu Bharadwaj

Aug 4

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

#linux #kernel #embedded #riscv

6 min read

Raghu Bharadwaj

Aug 4

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

#linux #kernel #c #embedded

7 min read

Raghu Bharadwaj

Aug 3

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

#linux #embedded #security #kernel

9 min read

Raghu Bharadwaj

Aug 3

Kernel & Embedded News: Hazard Pointers Proposed for the Kernel

#linux #kernel #rust #opensource

5 min read

Raghu Bharadwaj

Aug 2

Architecting Mainline-Friendly Products

#linux #embedded #kernel #opensource

9 min read

Raghu Bharadwaj

Aug 1

Linux Kernel CVEs: What to Patch by Device (26 Jul – 1 Aug 2026)

#linux #kernel #security #devops

4 min read

Raghu Bharadwaj

Aug 1

Devres: How Managed Device Resources Work in the Linux Kernel

#linux #kernel #drivers #embedded

8 min read

Raghu Bharadwaj

Jul 31

Open-Source Device CVEs: What to Patch by Vertical (July 2026)

#security #linux #embedded #iot

10 min read

Raghu Bharadwaj

Jul 31

How to Build an Embedded Linux Lab From Scratch

#linux #embedded #tutorial #beginners

8 min read

Raghu Bharadwaj

Jul 30

Kernel & Embedded News: Syscall Entry Reworked for 7.3; KVM MMU Split

#linux #kernel #embedded #opensource

7 min read

Raghu Bharadwaj

Jul 30

Safety-Critical Linux: What Certifying It Actually Takes

#linux #embedded #opensource #automotive

6 min read

Raghu Bharadwaj

Jul 2

Coherent vs Streaming DMA: A Deep Dive into the Linux DMA Mapping API

#linux #embedded #kernel #cpp

14 min read

Raghu Bharadwaj

Jul 2

How to Get Your First Linux Kernel Patch Accepted

#linux #opensource #kernel #career

8 min read

Raghu Bharadwaj

Jul 2

Real-Time Linux vs RTOS: Zephyr, FreeRTOS, PREEMPT_RT

#linux #embedded #rtos #iot

13 min read

Raghu Bharadwaj

Jul 2

Edge AI in the Next 10 Years: The Silicon Shift

#linux #embedded #iot #machinelearning

9 min read

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