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I got this question for interview. I just know some firmware communication taking place. Once modprobe is given, an interrupt is triggered and kernel handles this interrupt according to priority and loads driver

I wanted to know difference between modprobe and insmod.

Malavika
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  • Nothing of what you wrote there is actually happening. Interrupt handling is totally unrelated to loading modules into the kernel. – Also the answer to this question does strongly depend on the kernel version. In the very earliest implementation of loading modules at runtime, a lot of the heavy lifting was done by the `insmod` program (called by `modprobe`) in userspace. These days (for security reasons, among other things) a lot of the work is done from kernel space. – datenwolf Feb 05 '23 at 09:58
  • "I wanted to know difference between modprobe and insmod" - On Stack Overflow there is a question specifically about that. [What's the difference between insmod and modprobe?](https://stackoverflow.com/questions/22891705/whats-the-difference-between-insmod-and-modprobe) – Tsyvarev Feb 05 '23 at 10:20

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