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Tuesday, July 11 • 12:30 - 13:00
The dm_op hypercall and libxendevicemodel - Paul Durrant, Citrix

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As part of the effort to restrict and de-privilege the operation of device models, such those provided by QEMU, I have recently implemented a new hypercall and tools library in Xen, and an updated privcmd driver in Linux.

This talk will explain the rationale for the new hypercall, how it helps to restrict and audit the operation of device models and how this fits into the overall strategy of de-privileging QEMU.

Speakers
avatar for Paul Durrant

Paul Durrant

Senior Principal Software Engineer, Citrix Systems Inc
My name is Paul Durrant. I am a Senior Principal Software Engineer in the XenServer platform group of Citrix Systems R&D, based in Cambridge UK. My chief responsibilities are Windows Paravirtual drivers, Virtual GPU subsystem, and the guest storage and network data-paths. My work... Read More →


dmop pdf

Tuesday July 11, 2017 12:30 - 13:00
Grand Ballroom

Attendees (8)