[Linuxarm] Re: [PATCH for-next] RDMA/hns: Use new SQ doorbell register for HIP09

On Tue, Feb 23, 2021 at 08:20:33PM +0800, Weihang Li wrote:

From: Lang Cheng chenglang@huawei.com

HIP09 uses new address space to map SQ doorbell registers, the doorbell of each QP is isolated based on the size of 64KB, which can improve the performance in concurrency scenarios.

Signed-off-by: Lang Cheng chenglang@huawei.com Signed-off-by: Weihang Li liweihang@huawei.com

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drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +- drivers/infiniband/hw/hns/hns_roce_qp.c | 49 ++++++++++++++++-------------- 2 files changed, 28 insertions(+), 24 deletions(-)

Applied to for-next, thanks

Jason