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From: Jason Gunthorpe <jgg@nvidia.com>
To: Anand Khoje <anand.a.khoje@oracle.com>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	dledford@redhat.com, haakon.bugge@oracle.com, leon@kernel.org
Subject: Re: [PATCH v5 for-next 3/3] IB/core: Obtain subnet_prefix from cache in IB devices
Date: Mon, 21 Jun 2021 20:49:13 -0300	[thread overview]
Message-ID: <20210621234913.GA2364052@nvidia.com> (raw)
In-Reply-To: <20210616154509.1047-4-anand.a.khoje@oracle.com>

On Wed, Jun 16, 2021 at 09:15:09PM +0530, Anand Khoje wrote:
>  
> @@ -1523,13 +1524,21 @@ static int config_non_roce_gid_cache(struct ib_device *device,
>  	device->port_data[port].cache.lmc = tprops->lmc;
>  	device->port_data[port].cache.port_state = tprops->state;
>  
> -	device->port_data[port].cache.subnet_prefix = tprops->subnet_prefix;
> +	ret = rdma_query_gid(device, port, 0, &gid);
> +	if (ret) {

This is quite a bit different than just calling ops.query_gid() - why
are you changing it? I'm not sure all the additional tests will pass,
the 0 gid entry is not required to be valid..

> @@ -1629,6 +1638,7 @@ int ib_cache_setup_one(struct ib_device *device)
>  		err = ib_cache_update(device, p, true, true, true);
>  		if (err)
>  			return err;
> +		device->port_data[p].cache_is_initialized = 1;
>  	}

And I would much prefer things be re-organized so the cache can be
valid sooner to adding this variable. What is the earlier call that is
motivating this?

Jason

  parent reply	other threads:[~2021-06-21 23:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-16 15:45 [PATCH v5 for-next 0/3] IB/core: Obtaining subnet_prefix from cache in Anand Khoje
2021-06-16 15:45 ` [PATCH v5 for-next 1/3] IB/core: Removed port validity check from ib_get_cached_subnet_prefix Anand Khoje
2021-06-16 15:45 ` [PATCH v5 for-next 2/3] IB/core: Shuffle locks in ib_port_data to save memory Anand Khoje
2021-06-16 15:45 ` [PATCH v5 for-next 3/3] IB/core: Obtain subnet_prefix from cache in IB devices Anand Khoje
2021-06-17  6:41   ` Leon Romanovsky
2021-06-21 23:49   ` Jason Gunthorpe [this message]
2021-06-23 13:03     ` Anand Khoje
2021-06-24 17:54       ` Jason Gunthorpe
2021-06-25  6:03         ` Anand Khoje
2021-06-25 12:48           ` Jason Gunthorpe
2021-06-21 23:52 ` [PATCH v5 for-next 0/3] IB/core: Obtaining subnet_prefix from cache in Jason Gunthorpe

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