> -----Original Message----- > From: Jason Gunthorpe [mailto:[email protected]] > Sent: 27 June 2023 13:30 > To: Cédric Le Goater <[email protected]> > Cc: Avihai Horon <[email protected]>; Alex Williamson > <[email protected]>; Joao Martins <[email protected]>; > Juan Quintela <[email protected]>; Peter Xu <[email protected]>; > Leonardo Bras <[email protected]>; Zhenzhong Duan > <[email protected]>; Yishai Hadas <[email protected]>; Maor > Gottlieb <[email protected]>; Kirti Wankhede <[email protected]>; > Tarun Gupta <[email protected]>; [email protected]; Shameerali > Kolothum Thodi <[email protected]> > Subject: Re: [PATCH 3/3] vfio/migration: Make VFIO migration > non-experimental > > On Tue, Jun 27, 2023 at 02:21:55PM +0200, Cédric Le Goater wrote: > > > We have a way to run and migrate a machine with a device not supporting > > dirty tracking. Only Hisilicon is in that case today. May be there are > > plans to add dirty tracking support ? > > Hisilicon will eventually use Joao's work for IOMMU based tracking, > this is what their HW was designed to do.
Yes. The plan is to make use of SMMUv3 HTTU feature for dirty tracking based on Joao's work here, https://lore.kernel.org/kvm/[email protected]/ Thanks, Shameer
