Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933340AbXLMVgN (ORCPT ); Thu, 13 Dec 2007 16:36:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761564AbXLMVf6 (ORCPT ); Thu, 13 Dec 2007 16:35:58 -0500 Received: from mtagate3.de.ibm.com ([195.212.29.152]:3509 "EHLO mtagate3.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759342AbXLMVf4 (ORCPT ); Thu, 13 Dec 2007 16:35:56 -0500 In-Reply-To: <78C9135A3D2ECE4B8162EBDCE82CAD7702B14004@nekter> To: "Caitlin Bestler" Cc: "Arnd Bergmann" , "OF-General" , "LKML" , linuxppc-dev@ozlabs.org, "Or Gerlitz" , "Roland Dreier" , Stefan Roscher MIME-Version: 1.0 Subject: RE: [ofa-general] Re: [ewg] Re: [PATCH] IB/ehca: Serialize HCA-related hCalls on POWER5 X-Mailer: Lotus Notes Release 7.0 HF277 June 21, 2006 From: Joachim Fenkes Message-ID: Date: Thu, 13 Dec 2007 22:35:52 +0100 X-MIMETrack: Serialize by Router on D12ML064/12/M/IBM(Release 7.0.2HF71 | November 3, 2006) at 13/12/2007 22:35:53, Serialize complete at 13/12/2007 22:35:53 Content-Type: text/plain; charset="US-ASCII" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 16 "Caitlin Bestler" wrote on 13.12.2007 22:08:34: > To clarify, an FMR Work Request is simply posted to the SendQ like > any other Work Request (of course the QP has to be privileged, or > it will complete in error). An SQ Post should never block. This would require hardware support, wouldn't it? eHCA2 doesn't have this kind of support, so FMR WRs are not an option here. J. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/