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release: Release v0.7.0
Expand release notes and bump Cargo.toml. Signed-off-by: Rob Bradford <robert.bradford@intel.com>
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Rob Bradford
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@ -172,7 +172,7 @@ dependencies = [
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[[package]]
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name = "cloud-hypervisor"
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version = "0.6.0"
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version = "0.7.0"
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dependencies = [
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"arc-swap",
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"clap",
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@ -1,6 +1,6 @@
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[package]
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name = "cloud-hypervisor"
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version = "0.6.0"
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version = "0.7.0"
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authors = ["The Cloud Hypervisor Authors"]
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edition = "2018"
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default-run = "cloud-hypervisor"
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115
release-notes.md
115
release-notes.md
@ -1,10 +1,20 @@
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- [v0.7.0](#v070)
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- [Block, Network, Persistent Memory (PMEM), VirtioFS and Vsock hotplug](#block-network-persistent-memory-pmem-virtiofs-and-vsock-hotplug)
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- [Alternative `libc` Support](#alternative-libc-support)
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- [Multithreaded Multi Queued `vhost-user` Backends](#multithreaded-multi-queued-vhost-user-backends)
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- [Initial RamFS Support](#initial-ramfs-support)
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- [Alternative Memory Hotplug: `virtio-mem`](#alternative-memory-hotplug-virtio-mem)
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- [`Seccomp` Sandboxing](#seccomp-sandboxing)
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- [Updated Distribution Support](#updated-distribution-support)
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- [Command Line and API Changes](#command-line-and-api-changes)
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- [Contributors](#contributors)
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- [v0.6.0](#v060)
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- [Directly Assigned Devices Hotplug](#directly-assigned-devices-hotplug)
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- [Shared Filesystem Improvements](#shared-filesystem-improvements)
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- [Block and Networking IO Self Offloading](#block-and-networking-io-self-offloading)
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- [Command Line Interface](#command-line-interface)
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- [PVH Boot](#pvh-boot)
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- [Contributors](#contributors)
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- [Contributors](#contributors-1)
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- [v0.5.1](#v051)
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- [v0.5.0](#v050)
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- [Virtual Machine Dynamic Resizing](#virtual-machine-dynamic-resizing)
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@ -12,7 +22,7 @@
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- [New Interrupt Management Framework](#new-interrupt-management-framework)
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- [Development Tools](#development-tools)
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- [Kata Containers Integration](#kata-containers-integration)
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- [Contributors](#contributors)
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- [Contributors](#contributors-2)
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- [v0.4.0](#v040)
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- [Dynamic virtual CPUs addition](#dynamic-virtual-cpus-addition)
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- [Programmatic firmware tables generation](#programmatic-firmware-tables-generation)
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@ -21,7 +31,7 @@
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- [Userspace IOAPIC by default](#userspace-ioapic-by-default)
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- [PCI BAR reprogramming](#pci-bar-reprogramming)
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- [New `cloud-hypervisor` organization](#new-cloud-hypervisor-organization)
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- [Contributors](#contributors-1)
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- [Contributors](#contributors-3)
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- [v0.3.0](#v030)
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- [Block device offloading](#block-device-offloading)
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- [Network device backend](#network-device-backend)
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@ -48,6 +58,105 @@
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- [Unit testing](#unit-testing)
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- [Integration tests parallelization](#integration-tests-parallelization)
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# v0.7.0
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This release has been tracked through the [0.7.0 project](https://github.com/cloud-hypervisor/cloud-hypervisor/projects/7).
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Highlights for `cloud-hypervisor` version 0.7.0 include:
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### Block, Network, Persistent Memory (PMEM), VirtioFS and Vsock hotplug
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Further to our effort to support modifying a running guest we now support
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hotplug and unplug of the following virtio backed devices: block, network,
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pmem, virtio-fs and vsock. This functionality is available on the (default) PCI
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based tranport and is exposed through the HTTP API. The `ch-remote` utility
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provides a CLI for adding or removing these device types after the VM has
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booted. User can use the `id` parameter on the devices to choose names for
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devices to ease their removal.
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### Alternative `libc` Support
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Cloud Hypervisor can now be compiled with the `musl` C library and this release
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contains a static binary compiled using that toolchain.
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### Multithreaded Multi Queued `vhost-user` Backends
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The `vhost-user` backends for network and block support that are shipped by
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Cloud Hypervisor have been enhanced to support multiple threads and queues to
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improve throughput. These backends are used automatically if `vhost_user=true`
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is passed when the devices are created.
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### Initial RamFS Support
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By passing the `--initramfs` command line option the user can specify a file to
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be loaded into the guest memory to be used as the kernel initial filesystem.
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This is usually used to allow the loading of drivers needed to be able to
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access the real root filesystem but it can also be used standalone for a very
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minimal image.
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### Alternative Memory Hotplug: `virtio-mem`
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As well as supporting ACPI based hotplug Cloud Hypervisor now supports using
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the `virtio-mem` hotplug alternative. This can be controlled by the
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`hotplug_method` parameter on the `--memory` command line option. It currently
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requires kernel patches to be able to support it.
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### `Seccomp` Sandboxing
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Cloud Hypervisor now has support for restricting the system calls that the
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process can use via the `seccomp` security API. This on by default and is
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controlled by the `--seccomp` command line option.
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### Updated Distribution Support
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With the release of Ubuntu 20.04 we have added that to the list of supported
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distributions and is part of our regular testing programme.
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### Command Line and API Changes
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This is non exhaustive list of HTTP API and command line changes
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* New `id` fields added for devices to allow them to be named to ease removal.
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If no name is specified the VMM chooses one.
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* Use `--memory`'s `shared` and `hugepages` controls for determining backing
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memory instead of providing a path.
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* The `--vsock` parameter only takes one device as the Linux kernel only
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supports a single Vsock device. The REST API has removed the vector for this
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option and replaced it with a single optional field.
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* There is enhanced validation of the command line and API provided
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configurations to ensure that the provided options are compatible e.g. that
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shared memory is in use if any attempt is made to used a `vhost-user` backed
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device.
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* `ch-remote` has added `add-disk`, `add-fs`, `add-net`, `add-pmem` and
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`add-vsock` subcommands. For removal `remove-device` is used. The REST API
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has appropriate new HTTP endpoints too.
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* Specifying a `size` with `--pmem` is no longer required and instead the size
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will be obtained from the file. A `discard_writes` option has also been added
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to provide the equivalent of a read-only file.
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* The parameters to `--block-backend` have been changed to more closely align
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with those used by `--disk`.
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### Contributors
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Many thanks to everyone who has contributed to our 0.7.0 release including some new faces.
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* Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
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* Bo Chen <chen.bo@intel.com>
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* Cathy Zhang <cathy.zhang@intel.com>
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* Damjan Georgievski <gdamjan@gmail.com>
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* Dean Sheather <dean@coder.com>
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* Eryu Guan <eguan@linux.alibaba.com>
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* Hui Zhu <teawater@antfin.com>
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* Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
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* Martin Xu <martin.xu@intel.com>
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* Muminul Islam <muislam@microsoft.com>
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* Rob Bradford <robert.bradford@intel.com>
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* Samuel Ortiz <sameo@linux.intel.com>
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* Sebastien Boeuf <sebastien.boeuf@intel.com>
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* Sergio Lopez <slp@redhat.com>
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* Yang Zhong <yang.zhong@intel.com>
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* Yi Sun <yi.y.sun@linux.intel.com>
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# v0.6.0
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This release has been tracked through the [0.6.0 project](https://github.com/cloud-hypervisor/cloud-hypervisor/projects/7).
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