On Fri, Feb 16, 2024 at 4:25 PM David Stevens <[email protected]> wrote: > > Add a virtio power management PCI capability to allow drivers to suspend > virtio PCI devices. This allows drivers to suspend devices at the virtio > level before suspending them at the PCI transport layer. This allows > drivers to do a two phase suspend, which prevents notifications from > being ignored or lost if interrupts are reconfigured at the PCI > transport layer immediately before or after the device is put into the > PCI PM D3 low power state. > --- > transport-pci.tex | 51 +++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 51 insertions(+) >
I would like to know how the two phase suspend can prevent the loss of notification or interrupt. Or for example, if it can be workaround at the driver level. Thanks --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
