linux-kernel - Re: [PATCH] IB/rxe: add RXE_START_MASK for rxe_opcode IB_OPCODE_RC_SEND_ONLY

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Date:   Fri, 27 Apr 2018 14:23:53 -0400
From:   Doug Ledford <dledford@...hat.com>
To:     Yanjun Zhu <yanjun.zhu@...cle.com>,
        Jianchao Wang <jianchao.w.wang@...cle.com>, monis@...lanox.com,
        jgg@...pe.ca
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IB/rxe: add RXE_START_MASK for rxe_opcode
 IB_OPCODE_RC_SEND_ONLY_INV

On Thu, 2018-04-26 at 12:02 +0800, Yanjun Zhu wrote:
> On 2018/4/26 11:52, Jianchao Wang wrote:
> > w/o RXE_START_MASK, the last_psn of IB_OPCODE_RC_SEND_ONLY_INV
> > will not be updated in update_wqe_psn, and the corresponding
> > wqe will not be acked in rxe_completer due to its last_psn is
> > zero. Finally, the other wqe will also not be able to be acked,
> > because the wqe of IB_OPCODE_RC_SEND_ONLY_INV with last_psn 0
> > is still there. This causes large amount of io timeout when
> > nvmeof is over rxe.
> > 
> > Add RXE_START_MASK for IB_OPCODE_RC_SEND_ONLY_INV to fix this.
> > 
> > Signed-off-by: Jianchao Wang <jianchao.w.wang@...cle.com>
> 
> Reviewed-by: Zhu Yanjun <yanjun.zhu@...cle.com>

Thanks, applied to for-rc.

-- 
Doug Ledford <dledford@...hat.com>
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