em updates, GENERIC change


Sepherosa Ziehau has updated the em driver to sync with FreeBSD-current, among other things, adds support for the Intel PRO/1000 GT and 82546G. He’s also added DEVICE_POLLING to the GENERIC kernel. What’s it do? I don’t know!

Update: Now I know.

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  1. Lazarus says:

    Best guess is that the kernel will actively check on the status of a device in order to make it work when it otherwise wouldn’t due to the current “confused” state of the interrupt routing code.