On Wednesday 11 June 2014 10:16:03 Paolo Bonzini wrote: > > > If kernels actually do use the UEFI runtime services and have no need > > for direct access to an RTC when runing in a UEFI compliant system, then > > I agree with not specifying the hardware details. > > The RTC is not needed for ordinary operation of the kernel and, in the > current kernel, the EFI RTC driver is only used for IA64. However, it > seems to be platform independent. I'll give it a shot (on x86, since > that's the only architecture for which I know how to get UEFI firmware).
Using the EFI RTC seems appropriate for ARM, as it's a reasonable abstraction that should work with any hypervisor. I suspect the only reason we don't use it on x86 is that we know which RTC hardware we have and the kernel comes with a mandatory driver already. Arnd -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html