From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 03 Oct 2013 02:48:18 +0200 (CEST) Received: from mga11.intel.com ([192.55.52.93]:30010 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S6868565Ab3JCAsPXEe03 (ORCPT ); Thu, 3 Oct 2013 02:48:15 +0200 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 02 Oct 2013 17:48:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,1022,1371106800"; d="scan'208";a="410690805" Received: from jonmason-lab.ch.intel.com (HELO jonmason-lab) ([143.182.51.14]) by fmsmga002.fm.intel.com with ESMTP; 02 Oct 2013 17:48:06 -0700 Date: Wed, 2 Oct 2013 17:48:05 -0700 From: Jon Mason To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org, Bjorn Helgaas , Ralf Baechle , Michael Ellerman , Benjamin Herrenschmidt , Martin Schwidefsky , Ingo Molnar , Tejun Heo , Dan Williams , Andy King , Matt Porter , stable@vger.kernel.org, linux-pci@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux390@de.ibm.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-ide@vger.kernel.org, iss_storagedev@hp.com, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net, linux-driver@qlogic.com, Solarflare linux maintainers , "VMware, Inc." , linux-scsi@vger.kernel.org Subject: Re: [PATCH RFC 54/77] ntb: Ensure number of MSIs on SNB is enough for the link interrupt Message-ID: <20131003004805.GL6768@jonmason-lab> References: <5d9c5b2d3bbc444ff32bddeece7a239d046bd79c.1380703263.git.agordeev@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5d9c5b2d3bbc444ff32bddeece7a239d046bd79c.1380703263.git.agordeev@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 38174 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jon.mason@intel.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On Wed, Oct 02, 2013 at 12:49:10PM +0200, Alexander Gordeev wrote: > Signed-off-by: Alexander Gordeev > --- > drivers/ntb/ntb_hw.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c > index de2062c..eccd5e5 100644 > --- a/drivers/ntb/ntb_hw.c > +++ b/drivers/ntb/ntb_hw.c > @@ -1066,7 +1066,7 @@ static int ntb_setup_msix(struct ntb_device *ndev) > /* On SNB, the link interrupt is always tied to 4th vector. If > * we can't get all 4, then we can't use MSI-X. > */ > - if (ndev->hw_type != BWD_HW) { > + if ((rc < SNB_MSIX_CNT) && (ndev->hw_type != BWD_HW)) { Nack, this check is unnecessary. Also, no comment in the commit on why it could be necessary. > rc = -EIO; > goto err1; > } > -- > 1.7.7.6 >