El 22/07/15 a les 8.40, Bob Liu ha escrit: > There is a bug when migrate from !feature-persistent host to > feature-persistent > host, because domU still thinks new host/backend doesn't support persistent. > Dmesg like: > backed has not unmapped grant: 839 > backed has not unmapped grant: 773 > backed has not unmapped grant: 773 > backed has not unmapped grant: 773 > backed has not unmapped grant: 839 > > The fix is to recheck feature-persistent of new backend in blkif_recover(). > See: https://lkml.org/lkml/2015/5/25/469 > > As Roger suggested, we can split the part of blkfront_connect that checks for > optional features, like persistent grants, indirect descriptors and > flush/barrier features to a separate function and call it from both > blkfront_connect and blkif_recover > > Signed-off-by: Bob Liu <bob....@oracle.com>
Acked-by: Roger Pau Monné <roger....@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
