[PATCH v5 2/3] RDMA/i40iw: Eliminate duplicate barriers on weakly-ordered archs
From: Sinan Kaya <hidden>
Date: 2018-03-23 19:15:09
Also in:
linux-arm-msm, linux-rdma, lkml
On 3/22/2018 12:26 PM, Sinan Kaya wrote:
quoted hunk ↗ jump to hunk
+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c@@ -706,9 +706,11 @@ static void i40iw_sc_ccq_arm(struct i40iw_sc_cq *ccq) wmb(); /* make sure shadow area is updated before arming */ if (ccq->dev->is_pf) - i40iw_wr32(ccq->dev->hw, I40E_PFPE_CQARM, ccq->cq_uk.cq_id); + i40iw_wr32_relaxed(ccq->dev->hw, I40E_PFPE_CQARM, + ccq->cq_uk.cq_id); else - i40iw_wr32(ccq->dev->hw, I40E_VFPE_CQARM1, ccq->cq_uk.cq_id); + i40iw_wr32_relaxed(ccq->dev->hw, I40E_VFPE_CQARM1, + ccq->cq_uk.cq_id);
do we want an mmiowb() here?
}
-- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.