On Tue, Jan 07, 2020 at 01:53:57PM +0100, Kamil Rytarowski wrote: > Hello QEMU Community! > > Over the past year the NetBSD team has been working hard on a new user-mode > API > for our hypervisor that will be released as part of the upcoming NetBSD 9.0. > This new API adds user-mode capabilities to create and manage virtual > machines, > configure memory mappings for guest machines, and create and control execution > of virtual processors. > > With this new API we are now able to bring our hypervisor to the QEMU > community! The following patches implement the NetBSD Virtual Machine Monitor > accelerator (NVMM) for QEMU on NetBSD 9.0 and newer hosts. > > When compiling QEMU for x86_64 passing the --enable-nvmm flag will compile the > accelerator for use. At runtime using the '-accel nvmm' should see a > significant performance improvement over emulation, much like when using 'hax' > on NetBSD. > > The documentation for this new API is visible at https://man.netbsd.org under > the libnvmm(3) and nvmm(4) pages. > > NVMM was designed and implemented by Maxime Villard. > > Thank you for your feedback.
Thank you for working on this, it's nice to see that QEMU will gain HW-assisted acceleration on NetBSD 9.0. A couple things: - Are you and/or Maxime willing to step up as maintainers for the NVMM support in QEMU? - In the next version of the patch series, please use "scripts/get_maintainer.pl" to get the list of people you need to CC for the patch series. Thanks, Sergio.
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