Enabling PARAVIRT stuff in Fedora kernels

[Roland Dreier]

 > I just tried the latest Fedora rawhide kernel
 > (2.6.26-0.115.rc9.git2.fc10.x86_64) in a kvm virtual machine, and I
 > noticed that it doesn't have all the paravirtual goodness available in
 > 2.6.26.  The cost of setting PARAVIRT, PARAVIRT_CLOCK and
 > PARAVIRT_GUEST to 'y' is suposed to be pretty minimal on bare metal,
 > and it gives a nice boost running inside kvm.  Have you guys
 > considered turning on these options for Fedora kernels?

And actually the options I'm really hoping for are KVM_GUEST and
KVM_CLOCK -- sorry for my confusion and sloppy grep for "VIRT".

Thanks,
  Roland