[EMAIL PROTECTED] wrote: > Hollis Blanchard wrote: >> That's a good point, but does PIT/HPET emulation show up as a hot >> spot in any profiles? I think keeping the hypercall API as small as >> feasible is a desirable design goal. >> > > At the moment I think not. Even a dyntick kernel would only require a > few thousands exits per second worst case. > Yes, the key issue is old PIT IRQ handler which is not very virtualization friendly. Eddie
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