From: Paolo Bonzini <pbonzini@redhat.com>
To: Reinoud Zandijk <reinoud@NetBSD.org>, qemu-devel@nongnu.org
Cc: Kamil Rytarowski <kamil@NetBSD.org>,
Ryo ONODERA <ryoon@netbsd.org>,
Richard Henderson <richard.henderson@linaro.org>,
Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [PATCH v6 0/4] Implements the NetBSD Virtual Machine Monitor accelerator
Date: Thu, 1 Apr 2021 10:36:07 +0200 [thread overview]
Message-ID: <df14826f-4ae4-fca8-ea66-572b22bbb2a1@redhat.com> (raw)
In-Reply-To: <20210331200800.24168-1-reinoud@NetBSD.org>
On 31/03/21 22:07, Reinoud Zandijk wrote:
> 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.
>
> The NetBSD team has implemented its new hypervisor called NVMM. It has been
> included since NetBSD 9.0 and has been in use now for quite some time. NVMM
> 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 it will autodetect nvmm and will compile the
> accelerator for use if found. 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 <max@m00nbsd.net>
>
> Thank you for your feedback.
Very nice. Just a couple remarks but nothing too serious.
Paolo
prev parent reply other threads:[~2021-04-01 8:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 20:07 [PATCH v6 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Reinoud Zandijk
2021-03-31 20:07 ` [PATCH v6 1/4] Add NVMM accelerator: configure and build logic Reinoud Zandijk
2021-04-01 8:28 ` Paolo Bonzini
2021-04-01 12:17 ` Reinoud Zandijk
2021-04-01 12:44 ` Paolo Bonzini
2021-03-31 20:07 ` [PATCH v6 2/4] Add NVMM accelerator: x86 CPU support Reinoud Zandijk
2021-04-01 8:35 ` Paolo Bonzini
2021-04-01 12:32 ` Reinoud Zandijk
2021-04-01 12:48 ` Paolo Bonzini
2021-03-31 20:07 ` [PATCH v6 3/4] Add NVMM accelerator: acceleration enlightenments Reinoud Zandijk
2021-03-31 20:08 ` [PATCH v6 4/4] Add NVMM Accelerator: add maintainers for NetBSD/NVMM Reinoud Zandijk
2021-04-01 8:36 ` Paolo Bonzini [this message]
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