Re: [PATCH] KVM: x86: fix vcpu->mmio_fragments overflow

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On 10/22/2012 03:01 PM, Gleb Natapov wrote:

>> It's time where the guest cannot take interrupts, and time in a high
>> priority guest thread that is spent processing low guest priority requests.
>> 
> Proposed fix has exactly same issue. Until all data is transfered to
> userspace no interrupt will be served.

For mmio_fragments that is okay.  It's the same guest instruction, and
it's still O(1).

It's not okay for general mmio coalescing.


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