Re: [PATCH 1/2] kvm tools: Fix IRQ assignments

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On 05/06/2011 12:10 PM, Pekka Enberg wrote:
> On Fri, May 6, 2011 at 11:08 AM, Cyrill Gorcunov <gorcunov@xxxxxxxxx> wrote:
>>  Yes, that is what we do, and it seems to be the "right" way how sane bios
>> should behave, same time (i might be wrong since I didn't checked this
>> part of kernel sources) the kernel might scan memory for pci configs and
>> read pis/irq directly from there, I think this way kernel workaround broken
>> bioses but now sure if we should rely on this feature.
> 
> That's not a problem, though, is it? As long as you use the "device
> tree" to set up the PCI configs as well, it's irrelevant where the
> kernel picks them up, no?

  Yeah, if we have own "tracking" tool to allocate irqs/pins we put consistent
data into both mptable and pci config space. Which of course means we need
some more code for allocator/tracker ;)

-- 
Thanks,
  Cyrill
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