AMD Sends Out Linux Patches For Enabling SEV-TIO TDISP With PCIe 6.0+
AMD has submitted a series of Linux kernel patches to enable SEV-TIO TDISP support for its new EPYC 9006 "Venice" processors. This feature utilizes PCI Express 6.0 and newer standards to secure direct I/O device assignments for confidential computing environments. The patches facilitate guest trust in devices supporting the TDISP specification and allow interaction via private memory.
- ▪AMD released 17 Linux kernel patches to enable SEV-TIO TDISP support for the 6th Gen EPYC 9006 "Venice" processors.
- ▪The TDISP protocol is supported by PCI Express 6.0 and newer to secure direct I/O device assignment for confidential computing.
- ▪The patches allow virtual machine guests to establish trust in devices and interact with them using private memory.
- ▪A common TEE Security Manager is being developed in collaboration with Intel, Arm, and RISC-V to handle TDISP and PCIe encryption.
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| Canonical URL | https://www.phoronix.com/news/AMD-SEV-TIO-TDISP-Linux-Patches |
| Publication time | Wed, 16 Sep 2026 09:02:52 -0400 |
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AMD Sends Out Linux Patches For Enabling SEV-TIO TDISP With PCIe 6.0+ Written by Michael Larabel in AMD on 16 September 2026 at 09:02 AM EDT. Add A Comment The newest Linux kernel patches out of AMD for enhancing the upstream support with the new AMD EPYC 9006 "Venice" processors is for enabling SEV-TIO TDISP that is supported with PCI Express 6.0 and beyond. In addition to other security enhancements with 6th Gen AMD EPYC processors like the recently posted patches for Enhanced SMT Protection for SEV-SNP guest VMs, another one is SEV-TIO TDISP. Yes.
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