>>> On 16.11.11 at 14:00, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> On 16/11/11 11:52, Jan Beulich wrote:
>>>>> On 16.11.11 at 04:40, Shu Wu <superwushu@xxxxxxxxx> wrote:
>>> In the changes I noticed the extra_dom0_irqs, which should be 0 by default
>>> in r20142, was set to 256 in r20143, and caused default number of Dom0's
>>> nr_pirq to exceed 256. Maybe this prevent IRQ of HP RAID controller, I
>>> don't quite know about, though. After I set it to 32 (the same number as
>>> extra_guest_irqs) the cciss.ko worked well. Although I could set this value
>>> by "extra_guest_irqs=32,32" in boot param, there are still problem:
>> That would hint at the IRQ number (presumably an MSI one) getting
>> stored in too narrow a field somewhere in the kernel.
>
> Is your kernel being built with per-cpu IDTs, or is it with one shared IDT?
pv kernels don't have any IDT.
Jan
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