Re: [PATCH v3 1/2] hw/pci-host: save/restore pci host config register

2020-07-26 Thread Michael S. Tsirkin
On Sat, Jul 25, 2020 at 08:54:36PM +0800, Hogan Wang wrote: > The pci host config register is used to save PCI address for > read/write config data. If guest write a value to config register, > and then pause the vcpu to migrate, After the migration, the guest > continue to write pci config data, a

[PATCH v3 1/2] hw/pci-host: save/restore pci host config register

2020-07-25 Thread Hogan Wang
The pci host config register is used to save PCI address for read/write config data. If guest write a value to config register, and then pause the vcpu to migrate, After the migration, the guest continue to write pci config data, and the write data will be ignored because of new qemu process lost t