From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 2/3] RDMA/i40iw: Eliminate duplicate barriers on weakly-ordered archs
Date: Fri, 23 Mar 2018 15:15:04 -0400 [thread overview]
Message-ID: <352b0adc-5489-c919-fa0a-2a3a3b2d37a0@codeaurora.org> (raw)
In-Reply-To: <1521736009-23387-3-git-send-email-okaya@codeaurora.org>
On 3/22/2018 12:26 PM, Sinan Kaya wrote:
> +++ 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.
next prev parent reply other threads:[~2018-03-23 19:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-22 16:26 [PATCH v5 0/3] ib: Eliminate duplicate barriers on weakly-ordered archs Sinan Kaya
2018-03-22 16:26 ` [PATCH v5 1/3] RDMA/bnxt_re: " Sinan Kaya
2018-03-22 16:26 ` [PATCH v5 2/3] RDMA/i40iw: " Sinan Kaya
2018-03-23 19:15 ` Sinan Kaya [this message]
2018-03-22 16:26 ` [PATCH v5 3/3] RDMA/qedr: eliminate duplicate barriers on weakly-ordered archs #2 Sinan Kaya
2018-04-03 2:29 ` Sinan Kaya
2018-04-03 7:42 ` Kalderon, Michal
2018-04-03 17:47 ` Sinan Kaya
2018-04-03 20:03 ` Jason Gunthorpe
2018-04-04 11:54 ` Kalderon, Michal
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