Enabling PARAVIRT stuff in Fedora kernels

[Dave Jones]

On Tue, Jul 08, 2008 at 08:18:17PM -0700, Roland Dreier wrote:
 > Hi,
 > 
 > 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?

Those should be getting set.  Except for 64bit, which was broken
a while ago. guess we should retry that.

	Dave

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