linux-kernel - RE: [PATCH for-next 10/20] IB/hns: Modify the init of iboe lock

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Date:   Thu, 15 Sep 2016 03:49:36 +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>,
        "Huangdongdong (Donald)" <hdd.huang@...wei.com>
Subject: RE: [PATCH for-next 10/20] IB/hns: Modify the init of iboe lock



> -----Original Message-----
> From: Leon Romanovsky [mailto:leon@...nel.org]
> Sent: Wednesday, September 14, 2016 6:05 AM
> 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; Huangdongdong (Donald)
> Subject: Re: [PATCH for-next 10/20] IB/hns: Modify the init of iboe
> lock
> 
> On Wed, Sep 14, 2016 at 02:09:37AM +0000, Salil Mehta wrote:
> >
> >
> > > -----Original Message-----
> > > From: linux-rdma-owner@...r.kernel.org [mailto:linux-rdma-
> > > owner@...r.kernel.org] On Behalf Of Leon Romanovsky
> > > Sent: Tuesday, September 13, 2016 7:50 AM
> > > 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; Huangdongdong (Donald)
> > > Subject: Re: [PATCH for-next 10/20] IB/hns: Modify the init of iboe
> > > lock
> > >
> > > On Fri, Sep 09, 2016 at 06:30:41PM +0800, Salil Mehta wrote:
> > > > From: Lijun Ou <oulijun@...wei.com>
> > > >
> > > > This lock will be used in query port interface, and will be
> called
> > > > while IB device was registered to OFED frame. So, the lock of
> iboe
> > > > must be initiated before IB device was registered.
> > >
> > > Sorry,
> > > what did you mean by writing "OFED frame"?
> > It is a typo. It was OFED framework but I guess more appropriate word
> > might have been 'IB core' layer of Infiniband. Will fix this. Thanks!
> 
> As a general note, and I understand that these contributors are not
> native English speakers, and I understand the desire to submit the
> right
> code and code should speak by itself, but can you invest more time in
> commit messages and write them in English?
> 
> Thanks
Hi Leon,
Yes, will try to make them better.

Best regards
Salil
> >
> > Best regards
> > Salil
> > >
> > > >
> > > > Signed-off-by: Lijun Ou <oulijun@...wei.com>
> > > > Signed-off-by: Dongdong Huang(Donald) <hdd.huang@...wei.com>
> > > > Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@...wei.com>
> > > > Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
> > > > ---
> > > >  drivers/infiniband/hw/hns/hns_roce_main.c |    3 +--
> > > >  1 file changed, 1 insertion(+), 2 deletions(-)
> > > >
> > > > diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c
> > > b/drivers/infiniband/hw/hns/hns_roce_main.c
> > > > index 2704076..4721c0c 100644
> > > > --- a/drivers/infiniband/hw/hns/hns_roce_main.c
> > > > +++ b/drivers/infiniband/hw/hns/hns_roce_main.c
> > > > @@ -615,6 +615,7 @@ static int hns_roce_register_device(struct
> > > hns_roce_dev *hr_dev)
> > > >  	struct device *dev = &hr_dev->pdev->dev;
> > > >
> > > >  	iboe = &hr_dev->iboe;
> > > > +	spin_lock_init(&iboe->lock);
> > > >
> > > >  	ib_dev = &hr_dev->ib_dev;
> > > >  	strlcpy(ib_dev->name, "hisi_%d", IB_DEVICE_NAME_MAX);
> > > > @@ -701,8 +702,6 @@ static int hns_roce_register_device(struct
> > > hns_roce_dev *hr_dev)
> > > >  		goto error_failed_setup_mtu_gids;
> > > >  	}
> > > >
> > > > -	spin_lock_init(&iboe->lock);
> > > > -
> > > >  	iboe->nb.notifier_call = hns_roce_netdev_event;
> > > >  	ret = register_netdevice_notifier(&iboe->nb);
> > > >  	if (ret) {
> > > > --
> > > > 1.7.9.5
> > > >
> > > > --
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> rdma"
> > > in
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