From: Hoang-Nam Nguyen <hnguyen@linux.vnet.ibm.com>
To: Roland Dreier <rdreier@cisco.com>
Cc: fenkes@de.ibm.com, linux-kernel@vger.kernel.org,
openib-general@openib.org, linuxppc-dev@ozlabs.org,
raisch@de.ibm.com, stefan.roscher@de.ibm.com
Subject: Re: [PATCH 2/5] ehca: Generate event when SRQ limit reached
Date: Mon, 30 Jul 2007 17:02:59 +0200 [thread overview]
Message-ID: <200707301703.00111.hnguyen@linux.vnet.ibm.com> (raw)
In-Reply-To: <ada7iou75tn.fsf@cisco.com>
Hi,
> BTW, does your SRQ-capable hardware support generating the "last WQE
> reached" event? There's not any reliable way to avoid problems when
> destroying QPs attached to an SRQ without it, and the IB spec requires
> CAs that support SRQs to generate it (o11-5.2.5 in chapter 11 of vol 1).
>
> I don't see any code in ehca to generate the event, and IPoIB CM at
> least will be very unhappy when using SRQs if the event is not
> generated.
Thanks for this good catch. We're investigating how to implement this.
Will keep you updated.
Regards
Nam
prev parent reply other threads:[~2007-07-30 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-20 14:02 [PATCH 2/5] ehca: Generate event when SRQ limit reached Hoang-Nam Nguyen
2007-07-21 4:12 ` Roland Dreier
2007-07-30 15:02 ` Hoang-Nam Nguyen [this message]
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