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Thu, 25 Jun 2020 04:48:16 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 0959F11384D4; Thu, 25 Jun 2020 06:48:15 +0200 (CEST) From: Markus Armbruster To: Cindy Lu Subject: Re: [PATCH v1 00/10] vDPA support in qemu References: <20200622153756.19189-1-lulu@redhat.com> <877dvy45vr.fsf@dusky.pond.sub.org> Date: Thu, 25 Jun 2020 06:48:15 +0200 In-Reply-To: (Cindy Lu's message of "Wed, 24 Jun 2020 17:42:56 +0800") Message-ID: <87v9jf7nu8.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 00:45:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: rdunlap@infradead.org, Michael Tsirkin , Jason Wang , qemu-devel@nongnu.org, Rob Miller , saugatm@xilinx.com, Maxime Coquelin , hch@infradead.org, Eugenio Perez Martin , jgg@mellanox.com, mhabets@solarflare.com, Shahaf Shuler , kevin.tian@intel.com, parav@mellanox.com, Vitaly Mireyno , "Liang, Cunming" , gdawar@xilinx.com, jiri@mellanox.com, xiao.w.wang@intel.com, Stefan Hajnoczi , "Wang, Zhihong" , Ariel Adam , Cornelia Huck , hanand@xilinx.com, "Zhu, Lingshan" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Cindy Lu writes: > On Tue, Jun 23, 2020 at 5:43 PM Jason Wang wrote: >> >> >> On 2020/6/23 =E4=B8=8B=E5=8D=885:16, Cindy Lu wrote: >> > On Tue, Jun 23, 2020 at 3:07 PM Markus Armbruster = wrote: >> >> Cindy Lu writes: >> >> >> >>> vDPA device is a device that uses a datapath which complies with the >> >>> virtio specifications with vendor specific control path. vDPA device= s >> >>> can be both physically located on the hardware or emulated by softwa= re. >> >>> This RFC introduce the vDPA support in qemu >> >>> TODO >> >>> 1) vIOMMU support >> >>> 2) live migration support >> >> This gives me the foggiest of ideas on what vDPA is. Could we use >> >> docs/interop/vhost-vdpa.rst? >> >> >> > Sure will add this >> > >> > >> >> Not sure it's the best place since vhost-vdpa is kernel specific. >> >> Maybe kernel docs (TBD) is a better place and we can refer it this file >> in the future. >> >> But it doesn't harm if you said something more here and refer the kernel >> commit here: >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commi= t/?id=3D4c8cf31885f69e86be0b5b9e6677a26797365e1d >> >> Thanks >> >> > Hi Markus, > I think I agree with Jason's opinion, kernel docs is a better place. > Maybe we can keep what it is now, and do this job in the future. I think a super-short description of vDPA here (one sentence?) together with a link to complete information would be helpful. If the link's target doesn't yet exist, adding the link later is okay.