From: Leon Romanovsky <leon@kernel.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Christoph Hellwig <hch@infradead.org>,
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 v2 2/3] RDMA/rw: Support threshold for registration vs scattering to local pages
Date: Mon, 7 Oct 2019 18:58:03 +0300 [thread overview]
Message-ID: <20191007155803.GA5855@unreal> (raw)
In-Reply-To: <04420039-1877-c35d-83ce-b7365c1e6b65@acm.org>
On Mon, Oct 07, 2019 at 08:12:37AM -0700, Bart Van Assche wrote:
> On 10/7/19 6:59 AM, 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 */
> ^^^^^^^^^
> optimal?
>
> Should it be mentioned that zero means that the HCA has not set this
> parameter?
It is always the case for other max_* values.
>
> > + u32 max_sgl_rd;
>
> Thanks,
>
> Bart.
next prev parent reply other threads:[~2019-10-07 15:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 13:59 [PATCH rdma-next v2 0/3] Optimize SGL registration Leon Romanovsky
2019-10-07 13:59 ` [PATCH mlx5-next v2 1/3] net/mlx5: Expose optimal performance scatter entries capability Leon Romanovsky
2019-10-07 15:02 ` Bart Van Assche
2019-10-07 15:54 ` Leon Romanovsky
2019-10-08 5:55 ` Leon Romanovsky
2019-10-07 13:59 ` [PATCH rdma-next v2 2/3] RDMA/rw: Support threshold for registration vs scattering to local pages Leon Romanovsky
2019-10-07 15:00 ` Christoph Hellwig
2019-10-07 15:57 ` Leon Romanovsky
2019-10-07 15:07 ` Bart Van Assche
2019-10-07 16:03 ` Leon Romanovsky
2019-10-07 22:22 ` Bart Van Assche
2019-10-08 5:53 ` Leon Romanovsky
2019-10-07 15:12 ` Bart Van Assche
2019-10-07 15:58 ` Leon Romanovsky [this message]
2019-10-07 13:59 ` [PATCH rdma-next v2 3/3] RDMA/mlx5: Add capability for max sge to get optimized performance Leon Romanovsky
2019-10-15 8:15 ` [PATCH rdma-next v2 0/3] Optimize SGL registration Leon Romanovsky
2019-10-22 17:42 ` Jason Gunthorpe
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