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[99.254.114.190]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4672978f761sm8838051cf.56.2024.12.05.07.29.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Dec 2024 07:29:14 -0800 (PST) Date: Thu, 5 Dec 2024 10:29:12 -0500 From: Peter Xu To: "Maciej S. Szmigiero" Cc: Fabiano Rosas , Alex Williamson , =?utf-8?Q?C=C3=A9dric?= Le Goater , Eric Blake , Markus Armbruster , Daniel P =?utf-8?B?LiBCZXJyYW5nw6k=?= , Avihai Horon , Joao Martins , qemu-devel@nongnu.org Subject: Re: [PATCH v3 09/24] migration/multifd: Split packet into header and RAM data Message-ID: References: <8cb65952e475c0236d66047270fd3ed907f7404e.1731773021.git.maciej.szmigiero@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <8cb65952e475c0236d66047270fd3ed907f7404e.1731773021.git.maciej.szmigiero@oracle.com> 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: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, 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_H2=-0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 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 Sun, Nov 17, 2024 at 08:20:04PM +0100, Maciej S. Szmigiero wrote: > From: "Maciej S. Szmigiero" > > Read packet header first so in the future we will be able to > differentiate between a RAM multifd packet and a device state multifd > packet. > > Since these two are of different size we can't read the packet body until > we know which packet type it is. > > Signed-off-by: Maciej S. Szmigiero Reviewed-by: Peter Xu -- Peter Xu