Re: [PATCH V1 for-next 2/2] IB/mlx4_ib: Disassociate support

Steve Wise
2014-11-18T16:48:07Z

On 11/18/2014 8:42 AM, Or Gerlitz wrote:
> On 11/18/2014 2:11 PM, Yishai Hadas wrote:
>> Implements the IB core disassociate_ucontext API. The driver detaches
>> the HW
>> resources for a given user context to prevent a dependency between
>> application
>> termination and device disconnecting. This is done by managing the
>> VMAs that
>> were mapped to the HW bars such as door bell and blueflame. When need
>> to detach
>> remap them to an arbitrary kernel page returned by the zap API.
>>
>>
>
> Guys,
>
> Can we somehow make this patch generic (e.g land in the IB core) such
> that it can apply also for mlx5 (and other HW drivers...) basically,
> the HW driver should tell the IB core which pages to zap and we should
> be OK, isn't that?
>

I agree. cxgb* will want to support this also.