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From: Christoph Hellwig <hch@infradead.org>
To: Leon Romanovsky <leon@kernel.org>
Cc: Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Leon Romanovsky <leonro@mellanox.com>,
	RDMA mailing list <linux-rdma@vger.kernel.org>,
	Or Gerlitz <ogerlitz@mellanox.com>,
	Yamin Friedman <yaminf@mellanox.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	linux-netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH rdma-next 2/3] RDMA/mlx5: Add capability for max sge to get optimized performance
Date: Mon, 7 Oct 2019 00:13:02 -0700	[thread overview]
Message-ID: <20191007071302.GA15034@infradead.org> (raw)
In-Reply-To: <20191006155955.31445-3-leon@kernel.org>

On Sun, Oct 06, 2019 at 06:59:54PM +0300, Leon Romanovsky wrote:
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index 4f671378dbfc..60fd98a9b7e8 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -445,6 +445,8 @@ struct ib_device_attr {
>  	struct ib_tm_caps	tm_caps;
>  	struct ib_cq_caps       cq_caps;
>  	u64			max_dm_size;
> +	/* Max entries for sgl for optimized performance per READ */
> +	u32			max_sgl_rd;

This either needs to go into what current is patch 3 or an entirely
separate one.

  reply	other threads:[~2019-10-07  7:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-06 15:59 [PATCH rdma-next 0/3] Optimize SGL registration Leon Romanovsky
2019-10-06 15:59 ` [PATCH mlx5-next 1/3] net/mlx5: Expose optimal performance scatter entries capability Leon Romanovsky
2019-10-06 15:59 ` [PATCH rdma-next 2/3] RDMA/mlx5: Add capability for max sge to get optimized performance Leon Romanovsky
2019-10-07  7:13   ` Christoph Hellwig [this message]
2019-10-07  7:54     ` Leon Romanovsky
2019-10-06 15:59 ` [PATCH rdma-next 3/3] RDMA/rw: Support threshold for registration vs scattering to local pages Leon Romanovsky
2019-10-07  6:58   ` Christoph Hellwig
2019-10-07  7:54     ` Leon Romanovsky
2019-10-07 10:07       ` Max Gurtovoy

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