linux-kernel - RE: [PATCH for-next 09/20] IB/hns: Optimize code of aeq and ceq interrupt handle and fix the bug of qpn

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Date:   Mon, 12 Sep 2016 15:47:48 +0000
From:   Salil Mehta <salil.mehta@...wei.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     "dledford@...hat.com" <dledford@...hat.com>,
        "Huwei (Xavier)" <xavier.huwei@...wei.com>,
        oulijun <oulijun@...wei.com>,
        "Zhuangyuzeng (Yisen)" <yisen.zhuang@...wei.com>,
        "xuwei (O)" <xuwei5@...ilicon.com>,
        "mehta.salil.lnk@...il.com" <mehta.salil.lnk@...il.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linuxarm <linuxarm@...wei.com>
Subject: RE: [PATCH for-next 09/20] IB/hns: Optimize code of aeq and ceq
 interrupt handle and fix the bug of qpn



> -----Original Message-----
> From: Leon Romanovsky [mailto:leon@...nel.org]
> Sent: Monday, September 12, 2016 1:33 PM
> To: Salil Mehta
> Cc: dledford@...hat.com; Huwei (Xavier); oulijun; Zhuangyuzeng (Yisen);
> xuwei (O); mehta.salil.lnk@...il.com; linux-rdma@...r.kernel.org;
> linux-kernel@...r.kernel.org; Linuxarm
> Subject: Re: [PATCH for-next 09/20] IB/hns: Optimize code of aeq and
> ceq interrupt handle and fix the bug of qpn
> 
> On Fri, Sep 09, 2016 at 06:30:40PM +0800, Salil Mehta wrote:
> 
> ....
> 
> > +			     HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_M,
> > +			     HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_S);
> > +	phy_port = roce_get_field(aeqe->event.qp_event.qp,
> > +			HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_M,
> > +			HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_S);
> > +	if (qpn <= 1)
> > +		qpn = HNS_ROCE_MAX_PORTS * qpn + phy_port;
> > +
> > +	switch (event_type) {
> > +	case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
> > +		dev_warn(dev, "Invalid Req Local Work Queue Error.\n");
> > +		dev_warn(dev, "QP %d, phy_port %d.\n", qpn, phy_port);
> 
> dev_warn like all other printk flavours supports multi-line messages.
Yes, agreed. This can be done using single dev_warn as well, like below:
dev_warn(dev,
         "Invalid Req Local Work Queue Error.\n"
         "QP %d, phy_port %d.\n", qpn, phy_port);

Will change and refloat the patch.

Thanks
Salil
> 
> > +		break;