El 07/10/15 a les 12.39, Bob Liu ha escrit:
> On 10/05/2015 10:40 PM, Roger Pau Monné wrote:
>> El 05/09/15 a les 14.39, Bob Liu ha escrit:
>>> @@ -2267,6 +2335,12 @@ static int __init xlblk_init(void)
>>> xen_blkif_max_ring_order = 0;
>>> }
>>>
>>> + if (xen_blkif_max_queues > nr_cpus) {
>>
>> Shouldn't there be a default value for xen_blkif_max_queues if the user
>> hasn't set the parameter on the command line?
>>
>
> Then the default value is 0, multi-queue isn't enabled by default.
Why isn't it enabled by default with a sensible number of queues? I
guess something like:
if (xen_blkif_max_queues == 0)
xen_blkif_max_queues = min(nr_cpus, 4);
Roger.
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