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[99.254.121.117]) by smtp.gmail.com with ESMTPSA id d3-20020ad450a3000000b006a0d22f23c0sm1247820qvq.61.2024.05.03.07.33.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 May 2024 07:33:22 -0700 (PDT) Date: Fri, 3 May 2024 10:33:20 -0400 From: Peter Xu To: Jinpu Wang Cc: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= , Markus Armbruster , Michael Galaxy , Yu Zhang , "Zhijian Li (Fujitsu)" , Elmar Gerdes , "qemu-devel@nongnu.org" , Yuval Shaia , Kevin Wolf , Prasanna Kumar Kalever , Cornelia Huck , Michael Roth , Prasanna Kumar Kalever , "integration@gluster.org" , Paolo Bonzini , "qemu-block@nongnu.org" , "devel@lists.libvirt.org" , Hanna Reitz , "Michael S. Tsirkin" , Thomas Huth , Eric Blake , Song Gao , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , Alex =?utf-8?Q?Benn=C3=A9e?= , Wainer dos Santos Moschetta , Beraldo Leal , arei.gonglei@huawei.com, pannengyuan@huawei.com Subject: Re: [PATCH-for-9.1 v2 2/3] migration: Remove RDMA protocol handling Message-ID: References: <46f5e323-632d-7bda-f2c5-3cfa7b1c6b68@akamai.com> <877cgfe2yw.fsf@pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.483, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, May 03, 2024 at 08:40:03AM +0200, Jinpu Wang wrote: > I had a brief check in the rsocket changelog, there seems some > improvement over time, > might be worth revisiting this. due to socket abstraction, we can't > use some feature like > ODP, it won't be a small and easy task. It'll be good to know whether Dan's suggestion would work first, without rewritting everything yet so far. Not sure whether some perf test could help with the rsocket APIs even without QEMU's involvements (or looking for test data supporting / invalidate such conversions). Thanks, -- Peter Xu