* [Qemu-devel] [ANNOUNCE] QEMU 4.1.0 is now available
@ 2019-08-15 21:33 Michael Roth
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From: Michael Roth @ 2019-08-15 21:33 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell
Hello,
On behalf of the QEMU Team, I'd like to announce the availability of
the QEMU 4.1.0 release. This release contains 2000+ commits from 176
authors.
You can grab the tarball from our download page here:
https://www.qemu.org/download/#source
The full list of changes are available at:
https://wiki.qemu.org/ChangeLog/4.1
Highlights include:
* ARM: FPU emulation support for Cortex-M CPUs, FPU fixes for Cortex-R5F
* ARM: ARMv8.5-RNG extension support for CPU-generated random numbers
* ARM: board build options now configurable via new Kconfig-based system
* ARM: Exynos4210 SoC model now supports PL330 DMA controllers
* MIPS: improved emulation performance of numerous MSA instructions,
mostly integer and data permuting operations
* MIPS: improved support for MSA ASE instructions on big-endian hosts,
handling for 'division by zero' cases now matches reference
hardware
* PowerPC: pseries: support for NVIDIA V100 GPU/NVLink2 passthrough via
VFIO
* PowerPC: pseries: in-kernel acceleration for XIVE interrupt controller
* PowerPC: pseries: supporting for hot-plugging PCI host bridges
* PowerPC: emulation optimizations for vector (Altivec/VSX) instructions
* RISC-V: support for new "spike" machine model
* RISC-V: ISA 1.11.0 support for privileged architectures
* RISC-V: improvements for 32-bit syscall ABI, illegal instruction
handling, and built-in debugger
* RISC-V: support for CPU topology in device trees
* s390: bios support for booting from ECKD DASD assigned to guest via
vfio-ccw
* s390: emulation support for all "Vector Facility" instructions
* s390: additional facilities and support for gen15 machines, including
support for AP Queue Interruption Facility for using interrupts
for vfio-ap devices
* SPARC: sun4m: sun4u: fixes when running with -vga none (OpenBIOS)
* x86: emulation support for new Hygon Dhyana and Intel SnowRidge CPU
models
* x86: emulation support for RDRAND extension
* x86: md-clear/mds-no feature flags, for detection/mitigation of MDS
vulnerabilities (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130,
CVE-2019-11091)
* x86: CPU die topology now configurable using -smp ...,dies=
* Xtensa: support for memory protection unit (MPU) option
* Xtensa: support for Exclusive Access option
* GUI: virtio-gpu 2D/3D rendering may now be offloaded to an external
vhost-user process, such as QEMU vhost-user-gpu
* GUI: semihosting output can now be redirected to a chardev backend with
-semihosting-config enable=on,target=native,chardev=[ID]
* qemu-img: added a --salvage option to qemu-img convert, which prevents
the conversion process from aborting on I/O errors (can be
used for example to salvage partially corrupted qcow2 files)
* qemu-img: qemu-img rebase works now even when the input file doesn't
have a backing file yet
* VMDK block driver now has read-only support for the seSparse subformat
* GPIO: support for SiFive GPIO controller
* and lots more...
Thank you to everyone involved!
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