Are Linus Torvalds, IBM, AMD, others at odds over pushing hardware drivers out of Linux?
I can’t possibly profess to know what the pros and cons are of pushing hardware device drivers into the hypervisors that support virtualization technologies like those from XEN and VMware. But it’s clear from a recent thread over at the Linux Foundation that there’s some disagreement amongst experts (including Linus Torvalds himself) as to whether it makes sense or not. Here are some highlights and excerpts from the discussion thread so far:
Marc J Miller (AMD’s Open Source Relations Manager): ….If driver management becomes the role of the hypervisor or even of the firmware and there is no “host” operating system to speak of, will Linux drivers still matter?…..
Linus Torvalds: I think what you’re seeing is virtualization proponents being absolutely _desperate_ for any reason to use virtualization….The fact is, the absolute last place you want to see drivers is in the hypervisor….So next time you hear about hypervisors doing anything at all, ask yourself where the message comes from. Does it come from a group of people who are desperately trying to make themselves appear relevant? Or does it come from forty years of actual real-life practice?
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