Enabling AMD SEV in Xen - Vaishali Thakkar, Vates
AMD Secure Encrypted Virtualization (SEV) technologies represent a significant advancement in confidential computing by offering hardware-based memory encryption capabilities. SEV aims to protect VMs' data from various threats, including unauthorised access by the hypervisor or other VMs running on the same host. In this talk, we will discuss ongoing development efforts related to incorporating AMD SEV technologies in Xen. We will focus on covering various enhancements, such as modifications to ASID allocation and TLB flushing mechanisms for SEV-enabled guests, as well as the implementation of the ASP driver and related support within the xl toolstack.
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