Messages in this thread | | | Date | Sun, 20 Sep 2009 22:42:03 +0400 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH] x86: Don't ack_APIC_irq() if lapic is disabled in GENERIC_INTERRUPT_VECTOR handler |
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[Cyrill Gorcunov - Sun, Sep 20, 2009 at 10:30:11PM +0400] ... | | > | | > iirc it was Xen related patch. So it's not that simple. | | > | | > I've pointed out Sheng about disable_apic. I'm not Xen | | > specialist but Xen team seem to use specific apic setup | | > so our "dummy" operations are not involved (case they | | > set disable_apic=1 without "turn off" apic ops in real). | | > Something like that. | | | | They should then set a NOP function in that case. We really dont want to | | slow down hotpath functions like smp_generic_interrupt() with flaggery. | | | | Ingo | | | | Well, I suppose we should wait for Sheng's comments. | I wish I would answer you but I simply don't know Xen | code :) | | -- Cyrill
Wait a bit Ingo, please. It seems I'm having different patch series in mind. Need to restore mail thread. Will back soon :)
-- Cyrill
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