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From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Alex Chiang <achiang-VXdhtT5mjnY@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	justin.chen-VXdhtT5mjnY@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: infiniband limit of 32 cards per system?
Date: Tue, 26 Jan 2010 15:52:52 -0800	[thread overview]
Message-ID: <adatyu8o23v.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <20100126213803.GA12035-e+Ta4ugHZmL3oGB3hsPCZA@public.gmane.org> (Alex Chiang's message of "Tue, 26 Jan 2010 14:38:03 -0700")


 > I take it this concern is what prevents us from simply increasing
 > IB_UVERBS_MAX_DEVICES to 64 or something?

Yes, I think then the device numbers will overlap.

 - R.
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WARNING: multiple messages have this Message-ID (diff)
From: Roland Dreier <rdreier@cisco.com>
To: Alex Chiang <achiang@hp.com>
Cc: linux-rdma@vger.kernel.org, justin.chen@hp.com,
	linux-kernel@vger.kernel.org
Subject: Re: infiniband limit of 32 cards per system?
Date: Tue, 26 Jan 2010 15:52:52 -0800	[thread overview]
Message-ID: <adatyu8o23v.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <20100126213803.GA12035@ldl.fc.hp.com> (Alex Chiang's message of "Tue, 26 Jan 2010 14:38:03 -0700")


 > I take it this concern is what prevents us from simply increasing
 > IB_UVERBS_MAX_DEVICES to 64 or something?

Yes, I think then the device numbers will overlap.

 - R.

  parent reply	other threads:[~2010-01-26 23:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-25 23:50 infiniband limit of 32 cards per system? Alex Chiang
2010-01-25 23:50 ` Alex Chiang
     [not found] ` <20100125235013.GD2828-TYHnb5JFxdjwUeR5qC7q4g@public.gmane.org>
2010-01-26  3:48   ` Roland Dreier
2010-01-26  3:48     ` Roland Dreier
2010-01-26  3:59     ` Alex Chiang
     [not found]       ` <20100126035906.GA23347-e+Ta4ugHZmL3oGB3hsPCZA@public.gmane.org>
2010-01-26  4:03         ` Roland Dreier
2010-01-26  4:03           ` Roland Dreier
     [not found]           ` <adaaaw1pl5d.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-01-26 21:38             ` Alex Chiang
2010-01-26 21:38               ` Alex Chiang
     [not found]               ` <20100126213803.GA12035-e+Ta4ugHZmL3oGB3hsPCZA@public.gmane.org>
2010-01-26 23:52                 ` Roland Dreier [this message]
2010-01-26 23:52                   ` Roland Dreier
     [not found]     ` <adaiqapplv7.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-01-26 22:03       ` Alex Chiang
2010-01-26 22:03         ` Alex Chiang
2010-01-27  0:09         ` Roland Dreier

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