On 6/12/26 7:51 PM, Andrey Drobyshev wrote: > Host<-->guest connections via vsock sockets aren't yet supported for > live update / CPR-style migration. This series adds such support. > > It's based on the vhost-related basis submitted earlier by Steve, Ben > and Mark at [0]. Patches 1-3 are rework of this submission, adjusted to > the latest master branch and with respect to Fabiano's review comments. > > Essentially we want the host<-->guest connection to survive the CPR > migration. For that to happen, we preserve the vhost FD and issue > VHOST_RESET_OWNER ioctl on the source side before the VHOST_SET_OWNER is > issued on the target. > > VHOST_RESET_OWNER is currently not supported by the Linux vsock driver. > We've implemented this support and there's a kernel series complementary > to this one. > > [...] > Here's the complementary kernel series adding support for VHOST_RESET_OWNER:
https://lore.kernel.org/virtualization/[email protected]
