From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756309AbXGUENP (ORCPT ); Sat, 21 Jul 2007 00:13:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750706AbXGUEM7 (ORCPT ); Sat, 21 Jul 2007 00:12:59 -0400 Received: from sj-iport-6.cisco.com ([171.71.176.117]:57178 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750729AbXGUEM7 (ORCPT ); Sat, 21 Jul 2007 00:12:59 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao8CACQloUarR7O6/2dsb2JhbAA X-IronPort-AV: i="4.16,565,1175497200"; d="scan'208"; a="186013549:sNHT62510940" To: Hoang-Nam Nguyen Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, openib-general@openib.org, raisch@de.ibm.com, stefan.roscher@de.ibm.com, fenkes@de.ibm.com Subject: Re: [PATCH 2/5] ehca: Generate event when SRQ limit reached X-Message-Flag: Warning: May contain useful information References: <200707201602.19142.hnguyen@linux.vnet.ibm.com> From: Roland Dreier Date: Fri, 20 Jul 2007 21:12:52 -0700 In-Reply-To: <200707201602.19142.hnguyen@linux.vnet.ibm.com> (Hoang-Nam Nguyen's message of "Fri, 20 Jul 2007 16:02:18 +0200") Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) XEmacs/21.4.20 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 21 Jul 2007 04:12:53.0144 (UTC) FILETIME=[689DC980:01C7CB4D] Authentication-Results: sj-dkim-2; header.From=rdreier@cisco.com; dkim=pass ( sig from cisco.com/sjdkim2002 verified; ); Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org thanks, applied. 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. - R.