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envelope-from=avihaih@nvidia.com; helo=NAM02-BN1-obe.outbound.protection.outlook.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, 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: 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 05/03/2025 11:35, Cédric Le Goater wrote: > External email: Use caution opening links or attachments > > > On 3/5/25 10:33, Avihai Horon wrote: >> >> On 05/03/2025 11:29, Cédric Le Goater wrote: >>> External email: Use caution opening links or attachments >>> >>> >>> Hello, >>> >>> On 3/4/25 23:03, Maciej S. Szmigiero wrote: >>>> From: "Maciej S. Szmigiero" >>>> >>>> This is an updated v6 patch series of the v5 series located here: >>>> https://lore.kernel.org/qemu-devel/cover.1739994627.git.maciej.szmigiero@oracle.com/ >>>> >>>> >>>> What this patch set is about? >>>> Current live migration device state transfer is done via the main >>>> (single) >>>> migration channel, which reduces performance and severally impacts the >>>> migration downtime for VMs having large device state that needs to be >>>> transferred during the switchover phase. >>>> >>>> Example devices that have such large switchover phase device state >>>> are some >>>> types of VFIO SmartNICs and GPUs. >>>> >>>> This patch set allows parallelizing this transfer by using multifd >>>> channels >>>> for it. >>>> It also introduces new load and save threads per VFIO device for >>>> decoupling >>>> these operations from the main migration thread. >>>> These threads run on newly introduced generic (non-AIO) thread pools, >>>> instantiated by the core migration core. >>> >>> I think we are ready to apply 1-33. Avihai, please take a look ! >> >> Sure, will try to do it by EOW. > > Thanks, > >> When were you planning to apply? > > before EOW :) Hehe, OK will go over it today/tomorrow. Thanks.