Re: [PATCH] Drivers: hv: vss: run only on supported host versions

2015-10-19 Thread Vitaly Kuznetsov
Olaf Hering writes: > The Backup integration service on WS2012 has appearently trouble to > negotiate with a guest which does not support the provided util version. > Currently the VSS driver supports only version 5/0. A WS2012 offers only > version 1/x and 3/x, and vmbus_prep_negotiate_resp corr

[PATCH] Drivers: hv: vss: run only on supported host versions

2015-10-13 Thread Olaf Hering
The Backup integration service on WS2012 has appearently trouble to negotiate with a guest which does not support the provided util version. Currently the VSS driver supports only version 5/0. A WS2012 offers only version 1/x and 3/x, and vmbus_prep_negotiate_resp correctly returns an empty icframe