On 2012-01-31 13:40, Avi Kivity wrote: > On 01/28/2012 04:21 PM, Alex Williamson wrote: >> To date we've only exposed BARs as 32bit even if the device >> physically supports 64bit BARs. Enable 64bit BARs to be >> exposed as such in the guest, which may free up MMIO below >> 4G should the guest choose to use it. >> >> This adds a new mem64= option to pci-assign, with the >> default being off for testing and enablement. The goal >> is to eventually make this enabled by default. >> > > Seems fine, but do we really need the option? If it doesn't work we > should treat it as an ordinary but and fix it. So far it's against the architecture of the emulated system: our current chipset predates 64 bit PCI. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- 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