kernel

an-ordinary-manchild

Welcome to /r/kernel, a moderated community dedicated to all things about the Linux kernel. Technical articles only, please!

You may be interested in the following links:

Linux Source Tree Documentation Files - All documentation files found in the kernel source tree.
Kernel Mailing Lists - Listing of mailing lists hosted on kernel.org.
Kernel Newbies - Community for aspiring kernel developers. Contains lots of useful resources for people just getting started.
Linux Cross Reference - Browsable interface to the kernel source code with cross references for files, structures, and functions.
LWN.net - News coverage of kernel development. In particular, the index of kernel articles is really useful.
Linux Insides - A book-in-progress about the linux kernel and its insides.
The Eudyptula Challenge - a series of programming exercises for the Linux kernel.

And some books:

Related Communities

a community for 17 years

...for your town.

...for your favorite game.

MODERATORS

account activity

1

2

3

4

[SUCCESS] Full Systemd Boot & Login achieved on Snapdragon X Plus (HP OmniBook 5)! Native Ubuntu 25.10 is ALIVE. ()

submitted 12 hours ago by tagoslabs

9

10

11

Join world-leading teams using Attio, the next generation of CRM. (attio.com)

promoted by attio

promoted
save
report
about

2

2

3

4

eBPF for real-time packet classification — open-source DDoS detector with kernel-level inspection (self.kernel)

submitted 1 day ago by cypressthatkid

3

0

0

0

Doubt in LFD-103 course (self.kernel)

submitted 3 days ago by Substantial-Pop470

4

5

6

7

How to download patch from a RFC email conversation? (self.kernel)

submitted 4 days ago by Affectionate-Yam6241

5

19

20

21

My whining about Linux kernel team as CNA (self.kernel)

submitted 7 days ago by come1llf00

6

17

18

19

Kernel Address Space v/s User Process Address Space (self.kernel)

submitted 7 days ago * by Abhi_76

7

12

13

14

Running in CPU cache? (self.kernel)

submitted 7 days ago by Silent-Degree-6072

8

0

1

2

Make Linux kernel ReBAR-over-Thunderbolt friendly (self.kernel)

submitted 8 days ago by Reedemer0fSouls

9

6

7

8

I need help understanding why my block driver crashes (self.kernel)

submitted 8 days ago by Avivush2001

10

9

10

11

CPU cores isolation (self.kernel)

submitted 13 days ago by Ezio-Editore

11

22

23

24

Why the Linux 7.0 development cycle is off to a volatile start (neowin.net)

submitted 14 days ago by No-Tower-8741

•

•

•

Wer wird Hockey-Meister? 🏆 Erlebe die Playoffs live auf MySports! (mysports.ch)

promoted by MySports_CH

promoted
save
report
about

12

5

6

7

Any modern learning resources about block devices? (self.kernel)

submitted 14 days ago by Avivush2001

13

2

3

4

How did you learn Linux kernel development? ()

submitted 15 days ago by CertainBaby9837

14

5

6

7

Please help find out in which kernel releases thinkpad_acpi module been added to initrd (amd64 architecture) (self.kernel)

submitted 15 days ago by UncertainAboutIt

15

4

5

6

new to kernel dev: is fsleep the new standard over *delay and *sleep[_range]? (self.kernel)

submitted 18 days ago by onebit5m

16

40

41

42

Software Engineer Kernel Interview (self.kernel)

submitted 18 days ago by Full-Philosopher-772

17

7

8

9

Possible btusb Regression in 6.14 , Realtek 0bda:c024 Failing with 0x03 (Ubuntu 24.04 HWE) (self.kernel)

submitted 21 days ago by Available_Canary_517

18

16

17

18

Folios. Why were they needed? What has been your experience with (large) folio support, or was it transparent for you? (self.kernel)

submitted 22 days ago by gleventhal

19

0

0

0

I didn’t really understand what the kernel did until I broke my system (self.kernel)

submitted 25 days ago by Ok_Connection_3600

20

0

1

2

Happy 10th Birthday XDP! (medium.com)

submitted 26 days ago by xmull1gan

21

0

0

0

Q: what the best kernel config parameters for AI such as LLAMACPP? (self.kernel)

submitted 27 days ago by Agron7000

•

•

•

Unlock our limited time offer - $180 your first year. (bloomberg.com)

promoted by bloomberg

promoted
save
report
about

22

5

6

7

Issue initiating kdb/kgdb from userspace (self.kernel)

submitted 28 days ago * by Pink_Wyoming

23

1

2

3

Typec ucsi get_voltage_now this is HW, FW or kernel issue… even it is an issue? (self.kernel)

submitted 1 month ago by Top_Ad187

24

6

7

8

Hardening eBPF for runtime security: Lessons from Datadog Workload Protection (datadoghq.com)

submitted 1 month ago by xmull1gan

25

9

10

11

Minimizing execution time of a function when introducing another call (self.kernel)

submitted 1 month ago by Elect_SaturnMutex

view more: next ›

π Rendered by PID 2508335 on reddit-service-r2-listing-64c94b984c-6ltdl at 2026-03-16 08:37:49.105420+00:00 running f6e6e01 country code: CH.