I did something recently I haven’t done in a long time: I recompiled the Linux kernel. There was a time when this was a common occurrence. You might want a feature that the default kernel didn’t ...

The decisive breakdown came during the 6.16 / 6.17 development cycle. The bcachefs lead submitted a major patch (called ...

Editor's Note: Linux remains an attractive option for embedded systems developers. In fact, industry surveys such as the Embedded Market Study by UBM (EDN's parent company) consistently show interest ...

Have you ever felt the urge to make your own private binary format for use in Linux? Perhaps you have looked at creating the smallest possible binary when compiling a project, and felt disgusted with ...

Kernel modules are chunks of code that are loaded and unloaded into the kernel as needed, thus extending the functionality of the kernel without requiring a reboot. In fact, unless users inquire about ...

The Linux kernel mailing list (LKML) has returned to the oft-discussed topic of binary kernel modules. Considered by some to be a violation of the open source license used by the Linux kernel, binary ...

Up until about 10 years ago I wrote a lot of Linux device drivers. The last one I wrote was in '03, needless to say I'm out of practice (and out of date, that was for a 2.4 kernel). I've got 2 ...

When you write programs in user space, the worst thing that can happen to your program is a core dump. Your program did something very wrong, so the operating system decided to give you all of its ...

A Seattle-based band called netcat – not to be confused with the networking tool of the same name – has perked ears in the software community by releasing its debut album as a Linux kernel module ...