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From: Leon Romanovsky <leon@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@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 10:54:09 +0300	[thread overview]
Message-ID: <20191007075409.GU5855@unreal> (raw)
In-Reply-To: <20191007071302.GA15034@infradead.org>

On Mon, Oct 07, 2019 at 12:13:02AM -0700, Christoph Hellwig wrote:
> 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.

I'll reshuffle.

Thanks

  reply	other threads:[~2019-10-07  7:54 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
2019-10-07  7:54     ` Leon Romanovsky [this message]
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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