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[95.127.155.26]) by smtp.gmail.com with ESMTPSA id z2sm18828544wrg.6.2021.05.09.00.56.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 09 May 2021 00:56:05 -0700 (PDT) Subject: Re: [PATCH v8 0/4] Implements the NetBSD Virtual Machine Monitor accelerator To: Reinoud Zandijk References: <20210407161631.1780-1-reinoud@NetBSD.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <62615396-f250-6d49-822e-a443574919ca@redhat.com> Date: Sun, 9 May 2021 09:56:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.698, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Richard Henderson , qemu-devel@nongnu.org, Kamil Rytarowski , Paolo Bonzini , Ryo ONODERA Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/8/21 4:27 PM, Reinoud Zandijk wrote: > ping? Paolo sent a pull request: https://www.mail-archive.com/qemu-devel@nongnu.org/msg804321.html And you and Kamil have been Cc'ed: https://www.mail-archive.com/qemu-devel@nongnu.org/msg804320.html > On Wed, Apr 07, 2021 at 04:16:27PM +0000, Reinoud Zandijk wrote: >> 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 >> >> Thank you for your feedback. >> >> Refrences: >> https://m00nbsd.net/4e0798b7f2620c965d0dd9d6a7a2f296.html