Sepherosa Ziehau has updated em(4) to version 6.9.6, with some interesting improvements. It does possible require loading a module now. He also has more patches to test.
It doesn’t require loading a module. What Sephe says is that if you have a customized kernel config with “device if_em” line in it, you have to add “device ig_hal” line as well now. And if you are using MODULES_OVERRIDE to compile only subset of modules and if_em is one of these, you have to add ig_hal as well now as if_em requires it.
Updated. Thanks for clearing it up – I don’t have any em(4) devices to experience this directly.
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