Re: [PATCH] Drivers: hv: vmbus: hibernation: do not hang forever in vmbus_bus_resume()

2020-09-09 Thread Wei Liu
On Tue, Sep 08, 2020 at 09:05:34PM +, Michael Kelley wrote: > From: Dexuan Cui Sent: Friday, September 4, 2020 7:56 PM > > > > After we Stop and later Start a VM that uses Accelerated Networking (NIC > > SR-IOV), currently the VF vmbus device's Instance GUID can change, so after > >

RE: [PATCH] Drivers: hv: vmbus: hibernation: do not hang forever in vmbus_bus_resume()

2020-09-08 Thread Michael Kelley
From: Dexuan Cui Sent: Friday, September 4, 2020 7:56 PM > > After we Stop and later Start a VM that uses Accelerated Networking (NIC > SR-IOV), currently the VF vmbus device's Instance GUID can change, so after > vmbus_bus_resume() -> vmbus_request_offers(), vmbus_onoffer() can not find > the

[PATCH] Drivers: hv: vmbus: hibernation: do not hang forever in vmbus_bus_resume()

2020-09-04 Thread Dexuan Cui
After we Stop and later Start a VM that uses Accelerated Networking (NIC SR-IOV), currently the VF vmbus device's Instance GUID can change, so after vmbus_bus_resume() -> vmbus_request_offers(), vmbus_onoffer() can not find the original vmbus channel of the VF, and hence we can't complete()