Wanpeng Li <kernellwp@xxxxxxxxx> writes: > On Wed, 21 Oct 2020 at 14:47, Jim Mattson <jmattson@xxxxxxxxxx> wrote: >> >> Per the KVM_GET_SUPPORTED_CPUID ioctl, the KVM_HINTS_REALTIME CPUID >> bit is never supported. >> >> Is this just an oversight? > > It is a performance hint, not a PV feature and doesn't depend on KVM. > True, but personally I'd prefer it to be reported in KVM_GET_SUPPORTED_CPUID too, that would mean that userspace is in its right to set it, just like any other PV 'thingy', even if just for consistency. -- Vitaly
