Linux kernel compile secrets. Part 3
In the previous episode of Linux kernel compile secrets. Part 2. I went through various methods on collecting the hardware data necessary for configuring your kernel. Now comes the head scratching, brow furrowing and hair pulling time of deciding which options to choose. Now while I cannot go through every single choice in detail. I intend to highlight the important ones that can make or break your kernel.
Generally every choice that you can make in the kernel configuration program has a very good help writeup and default settings explained. If you don't understand what that function is then it is best to leave it at the recommended setting. In that case you have the best chance of building a kernel that will actually boot.
The first section that you need to cast your organic camera's over is the general setup section. In this section there is a choice called "Prompt for development and/or incomplete code/drivers". While the help in this choice recommends to turn it off I always turn it on. This is because with modern hardware the drivers always seem to be in this section. I have had many a time where I have forgotten to turn it on and wasted a lot of time searching for a driver for some piece of esoteric hardware.
Then there is the choice "Support for paging of anonymous memory (swap)".
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