All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Bart Van Assche <bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
	Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
	"Nicholas A. Bellinger"
	<nab-IzHhD5pYlfBP7FQvKIMDCQ@public.gmane.org>,
	Parav Pandit
	<pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Laurence Oberman
	<loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 2/5] IB/core: Add max_sge argument to rdma_rw_ctx_init()
Date: Tue, 28 Jun 2016 13:52:06 +0200	[thread overview]
Message-ID: <20160628115206.GB28113@lst.de> (raw)
In-Reply-To: <ce96b1f4-e9b9-31e2-f9d2-77e71f8bbcd1-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>

On Tue, Jun 28, 2016 at 01:26:03PM +0200, Bart Van Assche wrote:
> The SGE limit for a queue pair is typically lower than what is
> defined by the HCA limits. Hence make max_sge an argument.

I don't think this is the right way to approach any limit.  I'd rather
have a current limit in the ib_qp structure than having to pass it
explicitly and growing driver specific policy once again.
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2016-06-28 11:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-28 11:23 [PATCH 0/5] Make RDMA RW API SGE limit configurable Bart Van Assche
     [not found] ` <419391ba-0c39-11ce-f249-84b428dc73d5-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 11:25   ` [PATCH 1/5] IB/core: Make rdma_rw_ctx_init() initialize all used fields Bart Van Assche
     [not found]     ` <91e53f7b-fdb6-bd66-ada6-982c641c2048-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 11:51       ` Christoph Hellwig
     [not found]         ` <20160628115105.GA28113-jcswGhMUV9g@public.gmane.org>
2016-06-28 13:04           ` Bart Van Assche
2016-06-28 11:26   ` [PATCH 2/5] IB/core: Add max_sge argument to rdma_rw_ctx_init() Bart Van Assche
     [not found]     ` <ce96b1f4-e9b9-31e2-f9d2-77e71f8bbcd1-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 11:52       ` Christoph Hellwig [this message]
     [not found]         ` <20160628115206.GB28113-jcswGhMUV9g@public.gmane.org>
2016-06-28 12:37           ` Bart Van Assche
     [not found]             ` <7fbd81ae-4b0d-4f8b-18ac-7efcf0dd4d61-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 15:42               ` Christoph Hellwig
     [not found]                 ` <20160628154235.GA2843-jcswGhMUV9g@public.gmane.org>
2016-06-28 16:12                   ` Bart Van Assche
2016-06-28 11:26   ` [PATCH 3/5] IB/isert: Limit the number of SG elements per work request Bart Van Assche
     [not found]     ` <885f39a6-9d75-9999-d582-e403f072bec1-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 14:28       ` Steve Wise
2016-06-28 14:58         ` Bart Van Assche
     [not found]           ` <74522811-15d7-41a2-d704-96083199454f-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 15:01             ` Steve Wise
2016-06-28 14:33       ` Steve Wise
2016-06-28 15:03         ` Bart Van Assche
     [not found]           ` <6e513522-6b06-d942-bddd-cc00f9a32f44-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 15:09             ` Steve Wise
2016-06-28 18:41               ` Bart Van Assche
     [not found]                 ` <9e8c6a52-3bf9-6b3f-1f36-d77205cb3ee0-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 19:13                   ` Steve Wise
2016-06-30 13:47                     ` Bart Van Assche
2016-06-28 15:46       ` Christoph Hellwig
     [not found]         ` <20160628154618.GB2843-jcswGhMUV9g@public.gmane.org>
2016-06-28 16:11           ` Bart Van Assche
2016-06-28 11:28   ` [PATCH 4/5] IB/srpt: " Bart Van Assche
2016-06-28 11:29   ` [PATCH 5/5] IB/srpt: Simplify srpt_queue_response() Bart Van Assche
     [not found]     ` <8457ca4e-0359-687f-e078-76979adf54c3-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-28 11:52       ` Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160628115206.GB28113@lst.de \
    --to=hch-jcswghmuv9g@public.gmane.org \
    --cc=bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org \
    --cc=dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=nab-IzHhD5pYlfBP7FQvKIMDCQ@public.gmane.org \
    --cc=pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.