On 22/10/20 03:34, Wanpeng Li wrote: > From: Wanpeng Li <wanpengli@xxxxxxxxxxx> > > Per KVM_GET_SUPPORTED_CPUID ioctl documentation: > > This ioctl returns x86 cpuid features which are supported by both the > hardware and kvm in its default configuration. > > A well-behaved userspace should not set the bit if it is not supported. > > Suggested-by: Jim Mattson <jmattson@xxxxxxxxxx> > Signed-off-by: Wanpeng Li <wanpengli@xxxxxxxxxxx> It's common for userspace to copy all supported CPUID bits to KVM_SET_CPUID2, I don't think this is the right behavior for KVM_HINTS_REALTIME. (But maybe this was discussed already; if so, please point me to the previous discussion). Paolo
