Re: [PATCH v2 19/20] IB/rdmavt, IB/qib, IB/hfi1: Make percpu refcount optional for user MRs

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On Wed, Apr 5, 2017 at 9:38 PM, Doug Ledford <dledford@xxxxxxxxxx> wrote:
> On Mon, 2017-03-20 at 17:26 -0700, Dennis Dalessandro wrote:
>> +static unsigned int hfi1_no_user_mr_percpu;
>> +module_param_named(no_user_mr_percpu, hfi1_no_user_mr_percpu, uint,
>> +                  S_IRUGO);
>> +MODULE_PARM_DESC(no_user_mr_percpu,
>> +                "Avoid percpu refcount for user MRs (default 0)");
>> +
>
> Does this have to be a module parameter?  Those are frowned upon now a
> days...

Good catch, no way that driver will require module parameter which is
a headache to set while it is compiled into kernel.

>
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