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[95.62.39.214]) by smtp.gmail.com with ESMTPSA id i6-20020a5d6306000000b002fed865c55esm12396181wru.56.2023.04.25.00.22.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Apr 2023 00:22:13 -0700 (PDT) From: Juan Quintela To: Leonardo Bras Cc: qemu-devel@nongnu.org, "Dr . David Alan Gilbert" , Peter Xu Subject: Re: [PATCH v2 1/1] migration: Disable postcopy + multifd migration In-Reply-To: <20230425033307.484921-1-leobras@redhat.com> (Leonardo Bras's message of "Tue, 25 Apr 2023 00:33:08 -0300") References: <20230425033307.484921-1-leobras@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Date: Tue, 25 Apr 2023 09:22:11 +0200 Message-ID: <87zg6ws9y4.fsf@secure.mitica> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.171, 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-To: quintela@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Leonardo Bras wrote: > Since the introduction of multifd, it's possible to perform a multifd > migration and finish it using postcopy. > > A bug introduced by yank (fixed on cfc3bcf373) was previously preventing > a successful use of this migration scenario, and now thing should be > working on most scenarios. > > But since there is not enough testing/support nor any reported users for > this scenario, we should disable this combination before it may cause any > problems for users. > > Suggested-by: Dr. David Alan Gilbert > Signed-off-by: Leonardo Bras > Acked-by: Peter Xu > Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela queued.