From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v3 2/2][BNX2]: Add iSCSI support to BNX2 devices. Date: Sat, 8 Sep 2007 13:00:36 +0100 Message-ID: <20070908120036.GB8478@infradead.org> References: <1188599815.5176.12.camel@dell> <46E1D27F.2040701@cs.wisc.edu> <20070908084127G.tomof@acm.org> <46E2884B.2070107@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: FUJITA Tomonori , open-iscsi@googlegroups.com, davem@davemloft.net, mchristi@redhat.com, netdev@vger.kernel.org, anilgv@broadcom.com, talm@broadcom.com, lusinsky@broadcom.com, uri@broadcom.com, fujita.tomonori@lab.ntt.co.jp To: Jeff Garzik Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:60415 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752446AbXIHMBD (ORCPT ); Sat, 8 Sep 2007 08:01:03 -0400 Content-Disposition: inline In-Reply-To: <46E2884B.2070107@garzik.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Sat, Sep 08, 2007 at 07:32:27AM -0400, Jeff Garzik wrote: > FUJITA Tomonori wrote: > >Yeah, iommu code ignores the lld limitations (the problem is that the > >lld limitations are in request_queue and iommu code can't access to > >request_queue). There is no way to tell iommu code about the lld > >limitations. > > > This fact very much wants fixing. Absolutely. Unfortunately everyone wastes their time on creating workarounds instead of fixing the underlying problem.