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SubjectRe: [PATCH] KVM: Use IRQF_ONESHOT for assigned device MSI interrupts
On 06/01/2012 09:26 PM, Jan Kiszka wrote:
>
>> you suggesting we need a request_edge_threaded_only_irq() API? Thanks,
>
> I'm just wondering if that restriction for threaded IRQs is really
> necessary for all use cases we have. Threaded MSIs do not appear to me
> like have to be handled that conservatively, but maybe I'm missing some
> detail.
>

btw, I'm hoping we can unthread assigned MSIs. If the delivery is
unicast, we can precalculate everything and all the handler has to do is
set the IRR, KVM_REQ_EVENT, and kick the vcpu. All of these can be done
from interrupt context with just RCU locking.

--
error compiling committee.c: too many arguments to function


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