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[188.85.150.151]) by smtp.gmail.com with ESMTPSA id b14-20020a05600c4e0e00b0040607da271asm1322518wmq.31.2023.10.18.03.44.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 03:44:07 -0700 (PDT) From: Juan Quintela To: Fabiano Rosas Cc: qemu-devel@nongnu.org, Peter Xu , Leonardo Bras Subject: Re: [PATCH v2 2/3] migration/doc: How to migrate when hosts have different features In-Reply-To: <87mswhw5vn.fsf@suse.de> (Fabiano Rosas's message of "Tue, 17 Oct 2023 13:50:04 -0300") References: <20231017151857.21328-1-quintela@redhat.com> <20231017151857.21328-3-quintela@redhat.com> <87mswhw5vn.fsf@suse.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.3 (gnu/linux) Date: Wed, 18 Oct 2023 12:44:07 +0200 Message-ID: <877cnkxlag.fsf@secure.mitica> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=0.001, 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: 2.1.29 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 Fabiano Rosas wrote: > Juan Quintela writes: >> +Notice that this is not completely related to QEMU. The most >> +important thing here is that this should be handle by the managing > > s/handle/handled/ Done. >> +application that launches QEMU. If QEMU is configured correctly, the >> +migration will suceeed. > > s/suceeed/succeed/ Done. > >> + >> +Once that we have defined that, doing this is complicated. Almost all > > I get what you mean here, but it is slightly confusing. Maybe > > "Once we have defined that, doing it is complicated." or > "That said, actually doing it is complicated." Last one wins. >> +When both hosts have different cpu features this is waranteed to >> fail. > > s/waranteed/guaranteed/ Done. >> +And you would be able to migrate between them. It is responsability >> +of the management application or of the user to make sure that the >> +configuration is correct. QEMU don't know how to look at this kind of > > s/don't/doesn't/ Done >> +features in general. >> + >> +Notice that we don't recomend to use -cpu host for migration. It is >> +used in this example because it makes the exampler simpler. > > s/exampler/example/ Thanks.