![]() ![]() Indirect Branch Restricted Speculation (IBRS) is an architectural x86 extension put together to combat speculative execution sidechannel attacks, including Spectre v2. With the focus now being on 64-bit systems, and the availability of explicit hardware support for virtualization, fixing speculation issues in ring 1 is not a priority for processor companies. In AMD64, Xen had to use a different implementation approach, so Xen does not use ring 1 to support 64-bit guests. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to virtualization. Teradici PCoIP Remote Workstation Card Firmware 5.0.X86: Speculative vulnerabilities with bare (non-shim) 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1.Teradici PCoIP® Software Client for Linux 20.04 Administrators' Guide.For more information, see H.264 Hardware Decode. This release of the Software Client for Linux 20.04 supports H.264 decoding for selected hardware configurations using the PCoIP Client. Increased security and stability updates and enhancements around the PCoIP Client. This release of the Software Client for Windows 20.04 includes the ability to enable the high performance mode of the PCoIP Client. For more information, see High Performance Client. For more information, see Local Termination Blacklist. Devices on the blacklist would be bridged to the remote desktop. A HID Local Termination Blacklist has been added to override the preferred local termination mode. Local Termination of Wacom tablets provides the best user experience in networks with high latency, however some features of the tablet may not be fully supported with local termination. ![]() Override Local Termination of Wacom Tablets This release of the PCoIP Software Client for Linux 20.04 supports local termination with the Intuos Pro Small (PTH-460), Cintiq 22HD (DTK-2200) and Cintiq Pro 32 (DTH-3220). What's New in This Release Local Termination of Wacom Cintiq 22HD, Intuos Pro S and Cintiq Pro 32 These release notes provide a summary of key additions, compatibility notes, resolved issues, and known issues for the PCoIP Software Client 20.04 for Linux. ![]()
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