linux-kernel - Re: [PATCH v3 05/28] IB/Verbs: Reform IB-core sa

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Message-ID: <20150413181403.GB2464@phlsvsds.ph.intel.com>
Date:	Mon, 13 Apr 2015 14:14:04 -0400
From:	"ira.weiny" <ira.weiny@...el.com>
To:	Michael Wang <yun.wang@...fitbricks.com>
Cc:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Tom Talpey <tom@...pey.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Doug Ledford <dledford@...hat.com>
Subject: Re: [PATCH v3 05/28] IB/Verbs: Reform IB-core sa_query

On Mon, Apr 13, 2015 at 02:24:18PM +0200, Michael Wang wrote:
> 
> Use raw management helpers to reform IB-core sa_query.
> 
> Cc: Steve Wise <swise@...ngridcomputing.com>
> Cc: Tom Talpey <tom@...pey.com>
> Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
> Cc: Doug Ledford <dledford@...hat.com>
> Cc: Ira Weiny <ira.weiny@...el.com>
> Cc: Sean Hefty <sean.hefty@...el.com>
> Signed-off-by: Michael Wang <yun.wang@...fitbricks.com>
> ---
>  drivers/infiniband/core/sa_query.c | 29 ++++++++++++++++++-----------
>  1 file changed, 18 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
> index c38f030..803ccf7 100644
> --- a/drivers/infiniband/core/sa_query.c
> +++ b/drivers/infiniband/core/sa_query.c
> @@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
>  		struct ib_sa_port *port =
>  			&sa_dev->port[event->element.port_num - sa_dev->start_port];
>  
> -		if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND)
> +		if (WARN_ON(!rdma_tech_ib(handler->device, port->port_num)))
>  			return;
>  
>  		spin_lock_irqsave(&port->ah_lock, flags);
> @@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
>  	ah_attr->port_num = port_num;
>  	ah_attr->static_rate = rec->rate;
>  
> -	force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
> +	force_grh = rdma_tech_iboe(device, port_num);
>  
>  	if (rec->hop_limit > 1 || force_grh) {
>  		ah_attr->ah_flags = IB_AH_GRH;
> @@ -1153,9 +1153,7 @@ static void ib_sa_add_one(struct ib_device *device)
>  {
>  	struct ib_sa_device *sa_dev;
>  	int s, e, i;
> -
> -	if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
> -		return;
> +	int count = 0;

Same comment here as for the user_mad.c change.

Ira

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