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Monday, October 13 • 3:30pm - 4:20pm
Using Device Tree for VM Runtime Hardware Reconfiguration - Pantelis Antoniou, Konsulko Group

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Virtual machines need a way to attach/remove virtual devices on runtime. For instance new block/network devices can be added, memory can be hotplugged removed and so on.

At the moment on the x86 architecture ACPI events are used, and while this can be made to work it is extremely cumbersome. Things are even more difficult on ARM, since there ACPI is still a moving target.

Turns out that by using Device Tree, and overlays, one can simplify the whole procedure by passing around device tree blobs with completely describe all hardware changes in an abstract format.

Join Pantelis Antoniou in explaining how you can use Device Tree to make complex hardware reconfiguration possible, and less troublesome.

Speakers
PA

Pantelis Antoniou, Konsulko Group

Kernel Engineer, Konsulko Group
Pantelis Antoniou has been an active Linux kernel developer for more than 13 years. Has brought to market a lot of Linux based products, passing through companies like Texas Instruments, Mentor Graphics, before ending up with Konsulko Group, and his current engagement with NVIDIA. Over there he gets to make Linux play nice with cars. He has already been a speaker in two previous ELC's. His current interests are planting Device Trees on... Read More →


Monday October 13, 2014 3:30pm - 4:20pm
Room 15