{"id":1123,"date":"2024-09-05T11:02:10","date_gmt":"2024-09-05T11:02:10","guid":{"rendered":"https:\/\/serverhost.com\/blog\/qemu-9-1-update-enhances-arm-and-risc-v-support-introduces-compression-offload-capabilities\/"},"modified":"2025-02-26T05:13:46","modified_gmt":"2025-02-26T05:13:46","slug":"qemu-9-1-update-enhances-arm-and-risc-v-support-introduces-compression-offload-capabilities","status":"publish","type":"post","link":"https:\/\/serverhost.com\/blog\/qemu-9-1-update-enhances-arm-and-risc-v-support-introduces-compression-offload-capabilities\/","title":{"rendered":"QEMU 9.1 Update Enhances ARM and RISC-V Support, Introduces Compression Offload Capabilities"},"content":{"rendered":"

QEMU 9.1, the latest version of the open-source machine emulator and virtualization software, has been released, bringing enhanced hardware support and emulation functionalities, particularly for ARM and RISC-V architectures.<\/p>\n<\/p>\n

The new release, arriving over four months after QEMU 9.0<\/a><\/strong>, integrates compression offload support through Intel In-Memory Analytics Accelerator (IAA) or User Space Accelerator Development Kit (UADK). It also improves on postcopy failure recovery capabilities.<\/p>\n<\/p>\n

Moreover, QEMU 9.1 now supports VIRTIO_F_NOTIFICATION_DATA, which enables guest drivers to provide additional information when sending device notifications, which can be useful for performance diagnostics or debugging. Support for the guest-network-get-route command on Linux platforms and guest-ssh-* commands on Windows has also been included.<\/p>\n<\/p>\n

In terms of ARM enhancements, the update includes emulation support for various architectural features like FEAT_NMI, FEAT_CSV2_3, FEAT_ETS2, FEAT_Spec_FPACC, FEAT_WFxT, and FEAT_Debugv8p8. It also adds nested\/two-stage page table support for emulated SMMUv3, xilinx_zynq board support which incorporates cache controller and multi-CPU compatibility, and B-L475E-IOT01A board support featuring a DM163 display.<\/p>\n<\/p>\n

For RISC-V, it adds support for Zve32x, Zve64x, Zimop, Zcmop, Zama16b, Zabha, Zawrs, and Smcntrpmf extensions, support for privileged architecture specification version 1.13, and enhances debug\/GDB support.<\/p>\n<\/p>\n

For LoongArch, it adds support for booting an ELF kernel directly, support for running up to 256 vCPUs via the extioi virt extension, and enhances debug\/GDB support. For SPARC, it adds emulation support for FMAF, IMA, VIS3, and VIS4 architecture features.<\/p>\n<\/p>\n

For x86, the QEMU 9.1 release introduces CPU emulation support for Icelake-Server-v7, SapphireRapids-v3, and Sierra Forest processors, as well as KVM support for running AMD SEV-SNP guests. On top of that, this release also brings security fixes for QEMU NBD server and NBD TLS encryption.<\/p>\n<\/p>\n

Last but not least, QEMU 9.1 enhances command line support for configuring allowed or blocked commands. For more details, check out the full list of changes on the official website<\/a><\/em>, from where you can also download QEMU 9.1 if you fancy compiling it from sources, otherwise install it from your distro\u2019s repositories.<\/p>\n

Last updated 2 hours ago<\/i><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

QEMU 9.1, the latest version of the open-source machine emulator and virtualization software, has been released, bringing enhanced hardware support and emulation functionalities, particularly for ARM and RISC-V architectures. The new release, arriving over four months after QEMU 9.0, integrates compression offload support through Intel In-Memory Analytics Accelerator (IAA) or User Space Accelerator Development Kit […]<\/p>\n","protected":false},"author":1,"featured_media":1124,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4,406,656,389,391],"tags":[],"class_list":["post-1123","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-app","category-news","category-qemu","category-qemu-9-1","category-virtual-machine","category-virtualization"],"yoast_head":"\nQEMU 9.1 Update: ARM & RISC-V Support with Offload serverhost<\/title>\n<meta name=\"description\" content=\"QEMU 9.1 enhances ARM and RISC-V support, adding compression offload capabilities to improve virtualization performance for various Linux architectures.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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