netdev - Re: [PATCH rdma-next v2 10/13] IB/mlx5: Enable subscription for device events over DEVX

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Date:   Wed, 3 Jul 2019 17:18:40 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Leon Romanovsky <leon@...nel.org>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Yishai Hadas <yishaih@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next v2 10/13] IB/mlx5: Enable subscription for
 device events over DEVX

On Sun, Jun 30, 2019 at 07:23:31PM +0300, Leon Romanovsky wrote:
> From: Yishai Hadas <yishaih@...lanox.com>
> 
> Enable subscription for device events over DEVX.
> 
> Each subscription is added to the two level XA data structure according
> to its event number and the DEVX object information in case was given
> with the given target fd.
> 
> Those events will be reported over the given fd once will occur.
> Downstream patches will mange the dispatching to any subscription.

BTW Matt,

Here is another vote for a 64 bit indexing xarray in the kernel.. Any
further thought on doing that?

Jason