Re: [Qemu-devel] [for-4.0 PATCH v3 2/9] pci: Sync PCIe downstream port LNKSTA on read

2018-12-06 Thread Auger Eric
Hi Alex, On 12/4/18 5:26 PM, Alex Williamson wrote: > The PCIe link speed and width between a downstream device and its > upstream port is negotiated on real hardware and susceptible to > dynamic changes due to signal issues and power management. In the > emulated device case there is no real har

[Qemu-devel] [for-4.0 PATCH v3 2/9] pci: Sync PCIe downstream port LNKSTA on read

2018-12-04 Thread Alex Williamson
The PCIe link speed and width between a downstream device and its upstream port is negotiated on real hardware and susceptible to dynamic changes due to signal issues and power management. In the emulated device case there is no real hardware link, but we still might wish to have some consistency