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"__floatsidf" undefined warning when compiling kernel module

You are using floating point somewhere - your module includes a conversion from int to double. It might be as simple as calling a function that takes a double parameter and passing an int.

You could try searching your code for "double".

You could try compiling your module to assembly code and looking at that to find which function uses __floatsidf.

Remember that the use of double might be in a header file, possibly one written by someone else.

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