Re: [Qemu-devel] [PATCH v2] xen-pvdevice: Introduce a simplistic xen-pvdevice save state

2018-03-27 Thread Anthony PERARD
On Tue, Mar 13, 2018 at 11:14:54PM +, Igor Druzhinin wrote: > This should help to avoid problems with accessing the device after > migration/resume without PV drivers by migrating its PCI configuration > space state. Without an explicitly defined state record it resets > every time a VM migrate

[Qemu-devel] [PATCH v2] xen-pvdevice: Introduce a simplistic xen-pvdevice save state

2018-03-13 Thread Igor Druzhinin
This should help to avoid problems with accessing the device after migration/resume without PV drivers by migrating its PCI configuration space state. Without an explicitly defined state record it resets every time a VM migrates which confuses the OS and makes every access to xen-pvdevice MMIO regi