Re: [rdma-next 0/2] Msix vector reassignment by L2 driver

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On Tue, May 15, 2018 at 1:41 AM, Jonathan Toppins <jtoppins@xxxxxxxxxx> wrote:
> On 05/14/2018 01:47 PM, Devesh Sharma wrote:
>> This 2 patch series mainly focus on assigning MSIx vectors
>> to RoCE driver when L2 driver dynamically changes vectors
>> allowed for RoCE driver.
>>
>> Patch 1 is mainly refactoring code while Patch 2 is the one
>> to handle the real reassignment.
>>
>> Devesh Sharma (2):
>>   bnxt_re: refactor creq irq init and fp irq init
>>   bnxt_re: pause roce irqs when l2 need reshuffling
>>
>>  drivers/infiniband/hw/bnxt_re/main.c       | 55 ++++++++++++++++-
>>  drivers/infiniband/hw/bnxt_re/qplib_fp.c   | 95 +++++++++++++++++++-----------
>>  drivers/infiniband/hw/bnxt_re/qplib_fp.h   |  3 +
>>  drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 61 +++++++++++++------
>>  drivers/infiniband/hw/bnxt_re/qplib_rcfw.h |  3 +
>>  5 files changed, 164 insertions(+), 53 deletions(-)
>>
>
> Does this need to be queued up for linux-stable kernels as well? If so
> which kernels v4.16 only?

4.16 do not have the ethernet driver changes needed for this things to
work. Thus this is not required to be pulled in
that branch.

>
> Am I correct in understanding that without these patches bnxt_re does
> not function properly?

PFs  should work even without these however VF may not work.
>
> Thanks,
> -Jon
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