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[88.212.17.233]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488cd19a69esm30129595e9.32.2026.04.09.10.16.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2026 10:16:41 -0700 (PDT) Date: Thu, 9 Apr 2026 19:16:38 +0200 From: Juraj Marcin To: Peter Xu Cc: qemu-devel@nongnu.org, "Maciej S . Szmigiero" , Daniel P =?utf-8?B?LiBCZXJyYW5nw6k=?= , Zhiyi Guo , Prasad Pandit , Avihai Horon , Kirti Wankhede , =?utf-8?Q?C=C3=A9dric?= Le Goater , Fabiano Rosas , Joao Martins , Markus Armbruster , Alex Williamson Subject: Re: [PATCH 11/14] migration: Calculate expected downtime on demand Message-ID: References: <20260408165559.157108-1-peterx@redhat.com> <20260408165559.157108-12-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260408165559.157108-12-peterx@redhat.com> Received-SPF: pass client-ip=170.10.133.124; envelope-from=jmarcin@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54, 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_PASS=-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: qemu development 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 2026-04-08 12:55, Peter Xu wrote: > This value does not need to be calculated as frequent. Only calculate it > on demand when query-migrate happened. With that we can remove the > variable in MigrationState. > > This paves way for fixing this value to include all modules (not only RAM > but others too). > > Signed-off-by: Peter Xu > --- > migration/migration.h | 2 +- > migration/migration.c | 25 ++++++++++++------------- > 2 files changed, 13 insertions(+), 14 deletions(-) > Reviewed-by: Juraj Marcin