Messages in this thread |  | | | Date | Tue, 30 Jun 2009 20:12:12 +0300 | | From | Avi Kivity <> | | Subject | Re: [PATCH v3] enable x2APIC without interrupt remapping under KVM |
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On 06/30/2009 07:44 PM, Eric W. Biederman wrote: >>> To support that seriously you need interrupt remapping. >>> >>> >> Can you explain why? >> > > Because ioapics don't fully function according to spec, > and the interrupt code on the hotplug path is a horrible > terrible broken hack for ioapics. > > It is better than nothing but it certainly is not something > I would expect to work all of the time. >
Can you elaborate? For kvm guests, the hardware is reasonably will implemented and if not we will fix it. We need not cripple a feature just because some hardware is broken.
-- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
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