On 06/05/16 11:45, Andre Przywara wrote: > From: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > > When the kernel was handling a guest MMIO read access internally, we > need to copy the emulation result into the run->mmio structure in order > for the kvm_handle_mmio_return() function to pick it up and inject the > result back into the guest. > > Currently the only user of kvm_io_bus for ARM is the VGIC, which did > this copying itself, so this was not causing issues so far. > > But with the upcoming new vgic implementation we need this done > properly. > > Update the kvm_handle_mmio_return description and cleanup the code to > only perform a single copying when needed. > > Code and commit message inspired by Andre Przywara. > > Reported-by: Andre Przywara <andre.przywara@xxxxxxx> > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx> Thanks, Andre. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
