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Vdpa now implements the Migratable trait, which allows the device to be added to the DeviceTree and therefore allows live migrating any vDPA device that supports being suspended. Given a vDPA device can't be resumed from a suspended state without having to reset everything, we don't support pause/resume for a vDPA device, as well as snapshot/restore (which requires resume to be supported). In order for the migration to work locally, reusing the same device on the same host machine, the vhost-vdpa handler is dropped after the snapshot has been performed, which allows the destination VM to open the device without any conflict about the device being busy. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com> |
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.. | ||
transport | ||
vhost_user | ||
vsock | ||
balloon.rs | ||
block.rs | ||
console.rs | ||
device.rs | ||
epoll_helper.rs | ||
iommu.rs | ||
lib.rs | ||
mem.rs | ||
net.rs | ||
pmem.rs | ||
rng.rs | ||
seccomp_filters.rs | ||
thread_helper.rs | ||
vdpa.rs | ||
watchdog.rs |