Re: [PATCH v1 5/5] vhost-user-blk: dynamically resize config space based on features

2022-08-24 Thread Stefan Hajnoczi
On Wed, Aug 24, 2022 at 12:18:37PM +0300, Daniil Tatianin wrote: > Make vhost-user-blk backwards compatible when migrating from older VMs > running with modern features turned off, the same way it was done for > virtio-blk in 20764be0421c ("virtio-blk: set config size depending on the > features e

[PATCH v1 5/5] vhost-user-blk: dynamically resize config space based on features

2022-08-24 Thread Daniil Tatianin
Make vhost-user-blk backwards compatible when migrating from older VMs running with modern features turned off, the same way it was done for virtio-blk in 20764be0421c ("virtio-blk: set config size depending on the features enabled") It's currently impossible to migrate from an older VM with vhos